Asteroids

2025RL2 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.517

Aphelion (Q)

1.142

Eccentricity (e)

0.377

Inclination (i)

4.9

deg

Orbit period (P)

275.9

Earth MOID

0.00049

U parameter

6.1

Next Earth close approach

Date

2028-09-04

Nominal distance (from Earth center)

0.10137

15165355

Maximum Brightness

22.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-09-13

Observatory

Kitt Peak-Bok

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.829419

1-sigma variation

0.000019

Unit

Eccentricity (e)

Value

0.376919

1-sigma variation

0.000058

Unit

Inclination (i)

Value

4.9195

1-sigma variation

0.0009

Unit

Long. of Ascending Node (Ω)

Value

176.5615

1-sigma variation

7.085E-6

Unit

Arg. of Perihelion (ω)

Value

320.4768

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

236.34420

1-sigma variation

0.01568

Unit

Perihelion distance

Value

0.516795

1-sigma variation

Unit

Aphelion distance

Value

1.142043

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.443482

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.001879

1-sigma variation

Unit

MOID

Value

0.000485

1-sigma variation

Unit

Orbit Period

Value

275.9049

1-sigma variation

Unit

U parameter

Value

6.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.78597E-10	-1.12724E-9	-1.70371E-8	1.12747E-10	-3.67861E-8	-3.05043E-7
e	-1.12724E-9	3.35669E-9	5.07372E-8	-3.37786E-10	1.09512E-7	9.08315E-7
i	-1.70371E-8	5.07372E-8	7.67008E-7	-5.13918E-9	1.65504E-6	1.37290E-5
Ω	1.12747E-10	-3.37786E-10	-5.13918E-9	5.02026E-11	-1.08875E-8	-9.12144E-8
ω	-3.67861E-8	1.09512E-7	1.65504E-6	-1.08875E-8	3.57481E-6	2.96366E-5
M	-3.05043E-7	9.08315E-7	1.37290E-5	-9.12144E-8	2.96366E-5	2.45793E-4

Date of computation: 2026-03-17 23:26 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

25.987

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

17 - 40*

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

244

Unit

Source

[1]

Normalized RMS of residuals

Value

0.793229

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-13.475488

Unit

Source

[2]

Last Observation

Value

2025-09-19.147188

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

154 (13)

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025RL2 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
VENUS	1952-09-16 07:06	> 1 mo	0.0414147	0.0271739	0.8145834
EARTH	1962-07-05 12:17	> 1 w	0.1789978	0.0766001	0.2889427
EARTH	1965-07-03 12:19	> 1 d	0.1074363	0.0764057	0.0840024
VENUS	1965-12-06 02:21	> 1 d	0.0168811	0.0159110	0.0407860
EARTH	1968-07-04 01:56	> 1 d	0.0755803	0.0754142	0.0046524
EARTH	1971-07-10 23:59	> 1 w	0.0938483	0.0787300	0.0246287
EARTH	1974-07-23 23:13	> 1 w	0.1226812	0.0968460	0.0127481
VENUS	1976-05-21 06:11	> 1 d	0.0201516	0.0164667	0.0225652
EARTH	1977-08-09 16:01	> 1 w	0.1348277	0.1348158	0.0000763
EARTH	1980-08-27 10:52	> 1 d	0.1186637	0.0986479	0.0067799
EARTH	1983-09-13 02:43	> 1 d	0.0693292	0.0476722	0.0072263
EARTH	1986-09-19 19:54	11.6	0.0023765	0.0017602	0.0002338
EARTH	1994-07-06 16:16	1.1	0.1070177	0.1043920	0.0008881
EARTH	1997-08-20 12:46	672.5	0.1238517	0.1226316	0.0004077
EARTH	2000-09-19 02:26	67.0	0.1263579	0.1199051	0.0021509
EARTH	2008-07-13 13:02	485.2	0.0933395	0.0908312	0.0008756
EARTH	2011-09-15 09:43	445.5	0.0523335	0.0460109	0.0021076
EARTH	2019-07-08 12:58	41.1	0.1854798	0.1830027	0.0008268
VENUS	2020-09-05 08:40	42.9	0.0210793	0.0200394	0.0003960
EARTH	2022-07-28 05:14	121.7	0.1202891	0.1200972	0.0000641
VENUS	2025-04-22 21:42	< 1 min	0.0417844	0.0415716	0.0000711
EARTH	2025-09-19 08:59	< 1 s	0.0014472	0.0014464	0.0000002
EARTH	2028-09-04 21:12	197.9	0.1013741	0.1003159	0.0003528
EARTH	2031-08-11 05:47	489.7	0.1409707	0.1408402	0.0000442
EARTH	2034-07-15 17:10	522.8	0.1184750	0.1164315	0.0006897
EARTH	2037-07-01 09:18	73.9	0.0869726	0.0858995	0.0004309
EARTH	2040-07-02 07:46	91.7	0.1727717	0.1658536	0.0023222
VENUS	2041-11-28 15:18	280.3	0.0295723	0.0288671	0.0007918
VENUS	2047-10-01 16:51	565.3	0.0238983	0.0230090	0.0025305
EARTH	2056-09-19 06:34	881.6	0.1018054	0.0049039	0.0324648
EARTH	2059-09-19 09:10	> 1 d	0.0137001	0.0008106	0.0327568
EARTH	2062-08-25 14:08	> 1 w	0.1271608	0.0485853	0.0313149
EARTH	2065-07-22 03:53	> 1 mo	0.1306336	0.1033797	0.0534346
EARTH	2068-06-30 14:13	> 1 d	0.0882176	0.0846745	0.0812663
EARTH	2081-09-18 07:21	> 1 w	0.1549232	0.0028197	0.5940995
EARTH	2084-09-18 11:26	> 1 mo	0.0183768	0.0015224	0.5331925
EARTH	2087-08-16 18:09	> 1 mo	0.1393838	0.0838826	0.1083017
EARTH	2090-07-07 04:58	> 1 mo	0.1006317	0.0861074	0.5992393
EARTH	2093-07-01 11:50	> 1 mo	0.1566173	0.0853731	2.0525298
EARTH	2103-09-20 02:11	> 1 mo	0.1433109	0.0032559	4.4217862
EARTH	2106-09-16 22:41	> 1 mo	0.0526304	0.0037163	3.6380395
EARTH	2109-08-08 12:31	> 1 mo	0.1432415	0.1430938	0.0349250
VENUS	2109-11-19 11:17	> 1 mo	0.0376229	0.0237593	3.2683628
EARTH	2112-07-03 09:51	> 1 mo	0.0870003	0.0844343	0.4017512
VENUS	2113-11-19 12:46	> 1 mo	0.0400905	0.0290827	1.0020964
EARTH	2115-07-04 04:06	> 1 w	0.1926442	0.0997371	0.2760789
EARTH	2125-09-20 04:22	> 1 mo	0.1187303	0.0030455	4.3824514

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
235.84478748	255.93270680	0.00045013	MINIMUM
127.56541514	179.10669030	0.08490376	MINIMUM
177.11718798	214.38870437	0.14051236	SADDLE
1.78334431	37.32765438	0.47162238	SADDLE
2.65207979	218.55289230	1.53092847	SADDLE
181.51079763	37.36458153	2.12818634	MAXIMUM

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MOID Plots

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