Asteroids

2025WM3 help

Last update: 2025-11-30 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.775

Aphelion (Q)

1.508

Eccentricity (e)

0.321

Inclination (i)

12.4

deg

Orbit period (P)

445.6

Earth MOID

0.00271

U parameter

7.3

Next Earth close approach

Date

2032-05-17

Nominal distance (from Earth center)

0.1359

20330147

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-11-24

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

1.141816

1-sigma variation

0.000262

Unit

Eccentricity (e)

Value

0.320988

1-sigma variation

0.000253

Unit

Inclination (i)

Value

12.4119

1-sigma variation

0.0102

Unit

Long. of Ascending Node (Ω)

Value

65.9191

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

92.4638

1-sigma variation

0.0035

Unit

Mean Anomaly (M)

Value

297.57431

1-sigma variation

0.03330

Unit

Perihelion distance

Value

0.775307

1-sigma variation

Unit

Aphelion distance

Value

1.508325

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.051939

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.004707

1-sigma variation

Unit

MOID

Value

0.002708

1-sigma variation

Unit

Orbit Period

Value

445.6487

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.87404E-8	6.63620E-8	2.66131E-6	-1.41527E-7	-9.17446E-7	8.73123E-6
e	6.63620E-8	6.40667E-8	2.56925E-6	-1.36632E-7	-8.85602E-7	8.42913E-6
i	2.66131E-6	2.56925E-6	1.03037E-4	-5.47942E-6	-3.55124E-5	3.38029E-4
Ω	-1.41527E-7	-1.36632E-7	-5.47942E-6	2.91484E-7	1.88864E-6	-1.79764E-5
ω	-9.17446E-7	-8.85602E-7	-3.55124E-5	1.88864E-6	1.22627E-5	-1.16536E-4
M	8.73123E-6	8.42913E-6	3.38029E-4	-1.79764E-5	-1.16536E-4	1.10902E-3

Date of computation: 2025-11-30 13:00 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

25.528

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

21 - 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

[-]

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

0.674165

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-16.434368

Unit

Source

[2]

Last Observation

Value

2025-11-30.071957

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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 2025WM3 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	1954-06-06 20:55	> 1 w	0.1995764	0.0049706	0.2254150
EARTH	1965-05-24 21:56	227.8	0.0445191	0.0169224	0.0095202
EARTH	1969-12-01 04:12	> 1 d	0.0705884	0.0256170	0.1010218
EARTH	1982-06-02 01:55	> 1 w	0.0980746	0.0032960	0.2673882
EARTH	1986-12-07 01:42	> 1 w	0.0754850	0.0262252	0.2649047
EARTH	1993-05-04 15:24	> 1 mo	0.1990012	0.0513650	0.1726632
EARTH	2010-05-28 21:11	873.9	0.0169036	0.0017903	0.0109139
EARTH	2014-12-08 15:23	537.0	0.1044144	0.0728737	0.0106632
EARTH	2021-05-25 04:58	959.4	0.0414754	0.0092968	0.0107828
EARTH	2025-12-05 07:40	< 1 min	0.0360127	0.0359276	0.0000284
EARTH	2032-05-17 13:37	> 1 d	0.1358986	0.0984300	0.0125066
EARTH	2036-12-01 11:32	1342.4	0.0724705	0.0284947	0.0211150
EARTH	2060-06-05 23:25	> 1 d	0.1817193	0.1080814	0.0245589
EARTH	2071-05-31 20:11	> 1 d	0.0634131	0.0036644	0.0234586
EARTH	2075-12-09 23:42	212.3	0.1444893	0.1084834	0.0121103
EARTH	2082-05-27 00:41	545.3	0.0193867	0.0027995	0.0070816
EARTH	2086-12-04 07:37	581.2	0.0302312	0.0293951	0.0018748
EARTH	2110-05-26 05:05	> 1 w	0.0518544	0.0052366	0.1202990
EARTH	2114-12-02 00:13	> 1 d	0.0928781	0.0268247	0.0735218

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
69.49197058	144.59819522	0.00270771	MINIMUM
292.42903734	331.35651173	0.02897279	MINIMUM
1.07689815	57.57562666	0.28727625	SADDLE
180.70773319	238.23051187	0.56514009	SADDLE
2.87349673	240.09084830	1.77484195	SADDLE
181.89550414	59.09742776	2.48594524	MAXIMUM

Download:

MOID Plots

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