Asteroids

2025JU help

Last update: 2025-05-06 13:47 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.795

Aphelion (Q)

2.781

Eccentricity (e)

0.555

Inclination (i)

10.1

deg

Orbit period (P)

873.2

Earth MOID

0.00536

U parameter

9.0

Next Earth close approach

Date

2025-05-10

Nominal distance (from Earth center)

0.13459

20134329

Maximum Brightness

21.6

mag

Risk

Object is in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

23.3

mag

Diameter

60 - 130*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-02

Observatory

Mt. Lemmon Survey

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.787957

1-sigma variation

0.033045

Unit

Eccentricity (e)

Value

0.555497

1-sigma variation

0.008959

Unit

Inclination (i)

Value

10.1290

1-sigma variation

0.1617

Unit

Long. of Ascending Node (Ω)

Value

189.7951

1-sigma variation

0.1906

Unit

Arg. of Perihelion (ω)

Value

113.1462

1-sigma variation

0.2774

Unit

Mean Anomaly (M)

Value

337.49789

1-sigma variation

0.73945

Unit

Perihelion distance

Value

0.794751

1-sigma variation

Unit

Aphelion distance

Value

2.781162

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.582577

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.014271

1-sigma variation

Unit

MOID

Value

0.005364

1-sigma variation

Unit

Orbit Period

Value

873.2407

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.09196E-3	2.96033E-4	5.34112E-3	6.23165E-3	-9.01476E-3	2.44349E-2
e	2.96033E-4	8.02658E-5	1.44735E-3	1.68658E-3	-2.43872E-3	6.62410E-3
i	5.34112E-3	1.44735E-3	2.61626E-2	3.06486E-2	-4.44001E-2	1.19533E-1
Ω	6.23165E-3	1.68658E-3	3.06486E-2	3.63120E-2	-5.28138E-2	1.39510E-1
ω	-9.01476E-3	-2.43872E-3	-4.44001E-2	-5.28138E-2	7.69239E-2	-2.01840E-1
M	2.44349E-2	6.62410E-3	1.19533E-1	1.39510E-1	-2.01840E-1	5.46787E-1

Date of computation: 2025-05-06 13:47 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

23.329

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

60 - 130*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.436343

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-02.402653

Unit

Source

[2]

Last Observation

Value

2025-05-04.376126

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (0)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2025JU from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1958-09-08 05:38	> 1 mo	0.1738196	0.0226323	1.9234116
EARTH	1982-05-08 17:52	> 1 mo	0.1420928	0.1232723	1.7788842
EARTH	1989-10-09 22:19	> 1 mo	0.1313362	0.0041540	3.9246664
EARTH	2001-09-04 03:45	> 1 mo	0.1882667	0.0376881	2.0023855
EARTH	2025-05-10 11:30	1.4	0.1345365	0.1305819	0.0013182
EARTH	2032-10-13 06:34	> 1 mo	0.1896671	0.0016074	0.9123479
EARTH	2044-09-18 19:33	> 1 mo	0.1191197	0.0058192	2.0469357
EARTH	2068-05-16 01:56	> 1 mo	0.1333903	0.1302834	0.5927775
EARTH	2087-10-01 02:16	> 1 mo	0.0113910	0.0022967	4.0198278
EARTH	2099-05-26 11:30	> 1 mo	0.1766983	0.1297506	76.1770473
EARTH	2106-10-13 05:33	> 1 mo	0.1619578	0.0027788	204.4435745

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
37.78821569	266.94578408	0.00509633	MINIMUM
318.98874276	129.63049775	0.12657851	MINIMUM
356.01860108	193.81664976	0.26683018	SADDLE
358.91256659	19.39097920	1.77333635	SADDLE
179.30649582	20.56457309	1.81544130	SADDLE
180.07695589	200.97492857	3.78563990	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2025JU

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS	TS
2027-10-02.744	61680.744	-4.652	1.314	1.26 ± 4.744	6.55E3	6.80E-11	1.14E-9	-8.14	0
2038-10-02.514	65698.514	-3.494	0.000	1.17 ± 4.860	4.28E4	8.17E-9	1.57E-7	-6.68	0
2040-10-01.948	66428.948	-4.056	0.325	1.26 ± 4.825	4.62E4	7.69E-10	1.36E-8	-7.80	0
2049-10-02.274	69716.274	-3.486	0.641	1.26 ± 4.642	8.58E5	2.52E-10	4.66E-9	-8.46	0
2049-10-02.278	69716.278	-3.393	0.383	1.25 ± 4.863	6.84E4	5.83E-9	1.09E-7	-7.09	0
2056-10-01.913	72272.913	-2.782	0.897	1.26 ± 4.463	5.19E4	3.40E-8	6.67E-7	-6.42	0
2056-10-01.915	72272.915	-2.793	0.809	1.25 ± 4.705	3.60E4	5.39E-8	1.06E-6	-6.22	0
2058-10-02.393	73003.393	-3.111	0.354	1.25 ± 4.891	1.15E5	9.38E-9	1.79E-7	-7.01	0
2060-10-01.939	73733.939	-3.382	0.059	1.20 ± 4.798	1.98E5	2.57E-9	4.79E-8	-7.61	0
2060-10-01.939	73733.939	-3.358	0.000	1.07 ± 4.873	6.28E4	8.86E-9	1.72E-7	-7.06	0
2061-10-02.163	74099.163	-2.134	1.784	1.25 ± 4.118	1.63E6	1.13E-10	2.35E-9	-8.94	0
2061-10-02.167	74099.167	-2.182	1.693	1.25 ± 4.943	1.08E5	4.19E-9	8.66E-8	-7.37	0
2062-10-02.393	74464.393	-1.093	2.274	1.25 ± 5.072	1.20E5	9.04E-11	2.07E-9	-9.01	0
2062-10-02.403	74464.403	-1.141	1.843	1.24 ± 4.230	2.39E6	1.95E-10	4.45E-9	-8.68	0
2063-10-02.634	74829.634	-2.489	0.439	1.25 ± 4.942	7.57E5	7.59E-9	1.53E-7	-7.15	0
2063-10-02.650	74829.650	-2.452	0.287	1.25 ± 4.945	1.05E5	6.53E-8	1.32E-6	-6.21	0
2067-10-02.758	76290.758	-2.925	2.053	1.25 ± 4.922	1.05E5	3.78E-11	7.32E-10	-9.50	0
2068-10-01.879	76655.879	-1.735	1.564	1.25 ± 4.161	6.54E6	2.34E-10	5.04E-9	-8.68	0
2068-10-01.908	76655.908	-2.017	0.840	1.25 ± 4.942	6.86E5	1.56E-8	3.27E-7	-6.87	0
2068-10-01.914	76655.914	-1.969	0.848	1.25 ± 4.968	1.31E5	8.79E-8	1.85E-6	-6.12	0
2070-10-02.322	77386.322	-2.218	1.812	1.25 ± 4.952	1.18E5	1.66E-9	3.41E-8	-7.87	0
2070-10-02.325	77386.325	-2.185	1.851	1.26 ± 4.228	1.15E6	9.88E-11	2.04E-9	-9.09	0
2072-10-01.907	78116.907	-2.446	0.317	1.25 ± 4.944	3.73E5	1.83E-8	3.71E-7	-6.85	0
2072-10-01.917	78116.917	-2.429	0.214	1.25 ± 4.945	1.05E5	7.15E-8	1.45E-6	-6.26	0
2073-10-02.262	78482.262	-1.592	0.525	1.24 ± 5.011	1.88E5	1.63E-7	3.56E-6	-5.88	0
2073-10-02.267	78482.267	-1.541	0.532	1.24 ± 4.905	2.45E6	1.38E-8	3.02E-7	-6.96	0
2073-10-02.270	78482.270	-1.719	0.946	1.24 ± 4.127	1.86E6	5.99E-9	1.29E-7	-7.32	0
2074-10-02.318	78847.318	-0.777	0.470	1.24 ± 5.130	2.57E5	3.32E-7	7.83E-6	-5.56	0
2074-10-02.321	78847.321	-0.787	0.477	1.24 ± 5.127	8.83E4	9.53E-7	2.24E-5	-5.10	0
2075-10-02.582	79212.582	-1.751	0.797	1.25 ± 4.982	2.98E5	6.25E-8	1.34E-6	-6.32	0
2075-10-02.586	79212.586	-1.798	0.664	1.25 ± 4.989	9.31E4	2.17E-7	4.66E-6	-5.78	0
2076-10-01.856	79577.856	-1.054	0.727	1.24 ± 5.025	1.43E6	3.68E-8	8.44E-7	-6.54	0
2076-10-01.863	79577.863	-1.035	0.589	1.24 ± 5.075	2.19E5	2.82E-7	6.47E-6	-5.65	0
2078-10-02.440	80308.440	-1.360	0.042	1.24 ± 5.021	1.55E6	3.75E-8	8.36E-7	-6.56	0
2078-10-02.442	80308.442	-1.265	0.000	0.46 ± 1.979	1.09E5	1.51E-6	3.55E-5	-4.93	0
2078-10-02.447	80308.447	-1.231	0.000	1.17 ± 5.063	4.09E5	1.69E-7	3.97E-6	-5.88	0
2079-10-02.651	80673.651	-2.245	0.857	1.25 ± 4.959	1.14E5	5.06E-8	1.04E-6	-6.46	0
2079-10-02.653	80673.653	-2.222	0.759	1.25 ± 4.936	7.66E5	9.36E-9	1.93E-7	-7.20	0
2080-10-01.962	81038.962	-1.378	0.708	1.25 ± 4.155	3.56E7	7.86E-10	1.75E-8	-8.25	0
2080-10-01.964	81038.964	-1.528	0.571	1.24 ± 5.014	3.95E5	8.25E-8	1.81E-6	-6.24	0
2080-10-01.979	81038.979	-1.500	0.685	1.24 ± 5.022	1.12E5	2.68E-7	5.90E-6	-5.72	0
2083-10-02.636	82134.636	-1.033	0.120	1.24 ± 5.080	1.08E6	7.65E-8	1.76E-6	-6.28	0
2083-10-02.642	82134.642	-1.023	0.190	1.24 ± 5.080	1.78E5	4.57E-7	1.05E-5	-5.50	0
2086-10-02.327	83230.327	-0.543	0.904	1.24 ± 4.562	1.63E6	3.22E-8	7.76E-7	-6.66	0
2086-10-02.355	83230.355	-0.630	1.567	1.24 ± 4.312	3.94E4	1.48E-7	3.53E-6	-6.00	0
2086-10-02.356	83230.356	-0.635	1.652	1.24 ± 4.241	5.45E4	6.64E-8	1.59E-6	-6.34	0
2089-10-02.114	84326.114	-1.622	0.684	1.25 ± 5.012	1.30E5	1.91E-7	4.15E-6	-5.94	0
2089-10-02.133	84326.133	-1.715	1.337	1.25 ± 4.140	1.27E6	2.92E-9	6.29E-8	-7.76	0
2089-10-02.137	84326.137	-1.595	1.110	1.25 ± 4.884	1.45E6	8.26E-9	1.80E-7	-7.30	0
2093-10-02.078	85787.078	-0.540	1.023	1.24 ± 4.275	3.10E6	1.10E-8	2.65E-7	-7.17	0
2103-10-03.312	89439.312	-0.178	1.420	1.24 ± 4.351	3.37E6	3.38E-9	8.45E-8	-7.73	0
2103-10-03.314	89439.314	-0.324	1.143	1.24 ± 4.499	3.67E6	8.27E-9	2.04E-7	-7.34	0
2103-10-03.383	89439.383	-0.377	0.092	1.24 ± 5.199	4.86E6	2.65E-8	6.50E-7	-6.84	0
2103-10-03.389	89439.389	-0.384	0.249	1.24 ± 5.211	2.82E6	4.27E-8	1.05E-6	-6.63	0
2103-10-03.441	89439.441	-0.533	1.379	1.24 ± 4.350	5.32E7	3.23E-11	7.80E-10	-9.76	0
2103-10-03.444	89439.444	-0.529	1.247	1.24 ± 4.292	7.68E6	2.19E-9	5.29E-8	-7.93	0
2106-10-03.016	90535.016	0.907	0.487	1.23 ± 5.255	1.59E7	4.40E-9	1.23E-7	-7.59	0
2108-10-02.527	91265.527	-0.320	1.702	1.25 ± 4.326	1.29E7	1.49E-10	3.67E-9	-9.11	0
2110-10-03.270	91996.270	0.560	0.954	1.23 ± 5.186	4.37E5	1.20E-7	3.23E-6	-6.19	0
2110-10-03.280	91996.280	0.556	1.250	1.23 ± 4.398	2.50E6	7.83E-9	2.11E-7	-7.37	0
2112-10-02.622	92726.622	0.412	2.169	1.23 ± 4.295	1.62E6	2.19E-11	5.82E-10	-9.94	0
2112-10-02.623	92726.623	0.414	2.179	1.23 ± 4.283	1.97E6	1.51E-11	4.01E-10	-10.10	0
2115-10-03.473	93822.473	0.612	0.183	1.23 ± 5.178	8.61E6	1.28E-8	3.47E-7	-7.18	0
2115-10-03.494	93822.494	0.654	0.427	1.23 ± 5.207	5.56E4	1.73E-6	4.71E-5	-5.05	0
2115-10-03.504	93822.504	0.664	0.551	1.23 ± 5.172	2.43E4	3.46E-6	9.43E-5	-4.75	0
2115-10-03.512	93822.512	0.675	0.708	1.23 ± 5.183	7.04E4	9.31E-7	2.54E-5	-5.32	0
2117-10-02.925	94552.925	0.416	0.530	1.23 ± 4.270	3.02E7	3.46E-9	9.18E-8	-7.77	0
2120-10-02.701	95648.701	0.547	1.401	0.87 ± 4.028	8.87E5	3.93E-7	1.06E-5	-5.72	0
2120-10-02.718	95648.718	0.745	0.356	1.23 ± 4.827	5.51E6	1.72E-8	4.71E-7	-7.07	0
2120-10-02.719	95648.719	0.612	0.219	1.18 ± 4.342	3.56E7	2.87E-9	7.78E-8	-7.86	0
2120-10-02.736	95648.736	0.715	0.711	1.23 ± 5.191	1.86E5	3.61E-7	9.89E-6	-5.75	0
2120-10-02.741	95648.741	0.548	1.224	1.23 ± 4.311	1.88E7	8.46E-10	2.27E-8	-8.39	0
2120-10-02.743	95648.743	0.545	1.460	1.23 ± 4.379	1.98E6	9.35E-10	2.51E-8	-8.34	0
2121-10-02.858	96013.858	1.910	0.335	1.23 ± 5.292	2.72E6	7.03E-9	2.19E-7	-7.42	0
2121-10-02.868	96013.868	0.056	0.715	1.21 ± 4.248	1.22E8	6.64E-10	1.70E-8	-8.52	0
2121-10-02.878	96013.878	0.028	0.579	1.24 ± 4.318	1.44E7	6.24E-9	1.59E-7	-7.54	0
2121-10-02.881	96013.881	0.060	0.714	1.24 ± 4.347	7.01E6	1.08E-8	2.77E-7	-7.30	0
2121-10-02.897	96013.897	0.059	0.455	1.24 ± 4.249	1.05E8	9.68E-10	2.48E-8	-8.35	0
2121-10-02.920	96013.920	1.028	0.000	1.22 ± 5.174	1.65E7	5.05E-9	1.49E-7	-7.58	0
2121-10-02.926	96013.926	1.058	0.133	1.23 ± 5.204	1.72E5	4.46E-7	1.27E-5	-5.65	0
2121-10-02.930	96013.930	1.081	0.000	1.15 ± 5.207	5.78E6	1.36E-8	4.02E-7	-7.15	0
2122-10-03.167	96379.167	1.433	0.890	1.23 ± 5.277	8.62E4	2.80E-7	8.28E-6	-5.84	0
2122-10-03.171	96379.171	1.435	0.921	1.23 ± 5.280	5.98E4	3.80E-7	1.12E-5	-5.71	0
2123-10-03.216	96744.216	0.903	0.204	1.23 ± 5.260	5.77E6	1.50E-8	4.18E-7	-7.14	0
2124-10-02.464	97109.464	2.066	1.828	1.21 ± 4.468	3.31E5	2.27E-10	7.19E-9	-8.92	0
2124-10-02.464	97109.464	2.069	1.819	1.22 ± 4.475	4.76E5	1.78E-10	5.65E-9	-9.03	0
2124-10-02.469	97109.469	1.996	1.488	1.22 ± 4.465	1.24E6	5.99E-10	1.88E-8	-8.50	0
2124-10-02.605	97109.605	1.290	0.046	1.23 ± 5.237	3.10E6	1.93E-8	5.63E-7	-7.02	0
2124-10-02.605	97109.605	1.340	0.000	0.90 ± 4.388	3.32E7	2.08E-9	6.33E-8	-7.97	0
2124-10-02.616	97109.616	1.233	0.000	0.49 ± 4.290	7.35E6	1.10E-8	3.32E-7	-7.25	0
2124-10-02.621	97109.621	1.167	0.000	0.74 ± 5.155	9.40E6	7.76E-9	2.32E-7	-7.41	0
2124-10-02.630	97109.630	1.226	0.000	0.74 ± 4.946	1.81E6	3.92E-8	1.18E-6	-6.70	0
2124-10-02.750	97109.750	0.344	2.142	1.23 ± 4.306	2.13E6	1.83E-11	4.82E-10	-10.08	0
2125-10-02.802	97474.802	0.820	0.234	1.24 ± 5.164	2.08E7	4.52E-9	1.25E-7	-7.67	n/a
2125-10-02.813	97474.813	0.813	0.173	1.23 ± 5.225	6.21E5	1.54E-7	4.26E-6	-6.14	n/a
2125-10-02.814	97474.814	0.813	0.228	1.23 ± 5.206	1.64E6	5.64E-8	1.56E-6	-6.58	n/a
2125-10-02.821	97474.821	0.870	0.797	1.23 ± 4.418	1.12E8	2.69E-10	7.48E-9	-8.90	n/a


Based on 22 optical observations (of which 0 are rejected as outliers) from 2025/05/02.403 to 2025/05/04.376.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.26 and 1.26 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250506 135944.467 UTC.

Download this part as:

Download Impactor Table as: