Asteroids

2025JP help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.006

Aphelion (Q)

2.256

Eccentricity (e)

0.383

Inclination (i)

0.2

deg

Orbit period (P)

760.8

Earth MOID

0.00089

U parameter

5.6

Next Earth close approach

Date

2050-06-02

Nominal distance (from Earth center)

0.01757

2628057

Maximum Brightness

18.2

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

24 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-02

Observatory

Pan-STARRS 2, Haleakala

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.630988

1-sigma variation

0.000058

Unit

Eccentricity (e)

Value

0.383312

1-sigma variation

0.000022

Unit

Inclination (i)

Value

0.1894

1-sigma variation

7.916E-6

Unit

Long. of Ascending Node (Ω)

Value

272.3123

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

1.5959

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

72.92827

1-sigma variation

0.00380

Unit

Perihelion distance

Value

1.005810

1-sigma variation

Unit

Aphelion distance

Value

2.256166

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.012157

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.272365

1-sigma variation

Unit

MOID

Value

0.000890

1-sigma variation

Unit

Orbit Period

Value

760.8074

1-sigma variation

Unit

U parameter

Value

5.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.31308E-9	1.26306E-9	4.36693E-10	1.92933E-8	-1.19810E-8	-2.18904E-7
e	1.26306E-9	4.81519E-10	1.66482E-10	7.35511E-9	-4.56727E-9	-8.34533E-8
i	4.36693E-10	1.66482E-10	6.26609E-11	1.72603E-9	-7.61553E-10	-2.88536E-8
Ω	1.92933E-8	7.35511E-9	1.72603E-9	2.59708E-7	-2.17170E-7	-1.27474E-6
ω	-1.19810E-8	-4.56727E-9	-7.61553E-10	-2.17170E-7	1.90913E-7	7.91543E-7
M	-2.18904E-7	-8.34533E-8	-2.88536E-8	-1.27474E-6	7.91543E-7	1.44635E-5

Date of computation: 2025-11-24 16:53 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

25.264

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

24 - 50*

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

[-]

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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

204

Unit

Source

[1]

Normalized RMS of residuals

Value

0.615969

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-02.436101

Unit

Source

[2]

Last Observation

Value

2025-07-01.565155

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

58 (2)

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 2025JP from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1977-05-06 21:56	> 1 mo	0.1943734	0.0100375	231.8593106
EARTH	1979-07-09 12:01	> 1 mo	0.0024219	0.0006468	1.9560197
EARTH	1981-07-10 21:57	> 1 w	0.0012373	0.0006945	0.0160920
EARTH	2002-05-26 18:03	> 1 d	0.0387456	0.0214045	0.0057823
EARTH	2025-05-27 16:12	< 1 s	0.0343535	0.0343485	0.0000017
MARS	2031-12-30 08:03	116.5	0.0428945	0.0403038	0.0009514
EARTH	2050-06-02 08:06	> 1 d	0.0175675	0.0008821	0.0057496
EARTH	2079-05-23 19:04	> 1 mo	0.0599144	0.0011466	0.2337979
EARTH	2110-06-01 14:14	> 1 mo	0.0249219	0.0008727	0.8853826
EARTH	2112-08-15 13:10	> 1 w	0.1870975	0.0032188	0.5533318

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
349.30650112	156.24845174	0.00089019	MINIMUM
11.28006009	189.59359537	0.00101470	MINIMUM
0.29998457	172.92971499	0.01221741	SADDLE
180.13149305	352.74629985	1.27248292	SADDLE
0.28807687	352.91581722	1.98949049	SADDLE
180.13597172	172.75115707	3.27419043	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025JP

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2102-06-14.142	88963.142	0.707	1.42 ± 0.001	6.28E5	1.98E-6	8.03E-1	-6.14
2111-06-13.019	92249.019	3.410	1.41 ± 0.005	2.12E4	2.42E-7	8.02E-1	-7.10
2111-06-13.046	92249.046	3.395	0.61 ± 0.001	3.81E4	1.36E-7	8.01E-1	-7.35
2119-06-14.484	95172.484	-0.851	0.53 ± 0.000	5.04E5	2.32E-6	8.02E-1	-6.16
2122-06-10.047	96264.047	-0.741	1.45 ± 0.001	6.55E5	1.80E-6	8.00E-1	-6.29
2123-06-15.256	96634.256	-1.025	2.03 ± 0.001	2.22E6	2.55E-7	8.04E-1	-7.14
2123-06-15.497	96634.497	0.696	0.43 ± 0.000	1.57E7	8.38E-8	8.03E-1	-7.62
2124-06-09.223	96994.223	-0.745	1.40 ± 0.001	7.72E5	1.27E-6	8.03E-1	-6.44
2125-06-13.920	97363.920	0.706	0.79 ± 0.000	2.44E6	5.08E-7	8.03E-1	-6.85


Based on 58 optical observations (of which 2 are rejected as outliers) from 2025/05/02.436 to 2025/07/01.565.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.15 and 2.15 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: