Asteroids

2025WM3 help

Last update: 2025-11-28 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.775

Aphelion (Q)

1.509

Eccentricity (e)

0.321

Inclination (i)

12.4

deg

Orbit period (P)

445.8

Earth MOID

0.00268

U parameter

7.6

Next Earth close approach

Date

2025-12-05

Nominal distance (from Earth center)

0.03604

5390875

Maximum Brightness

20.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

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

1.142032

1-sigma variation

0.000405

Unit

Eccentricity (e)

Value

0.321197

1-sigma variation

0.000391

Unit

Inclination (i)

Value

12.4203

1-sigma variation

0.0156

Unit

Long. of Ascending Node (Ω)

Value

65.9187

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

92.4610

1-sigma variation

0.0054

Unit

Mean Anomaly (M)

Value

297.60179

1-sigma variation

0.05142

Unit

Perihelion distance

Value

0.775215

1-sigma variation

Unit

Aphelion distance

Value

1.508849

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.051972

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.004661

1-sigma variation

Unit

MOID

Value

0.002681

1-sigma variation

Unit

Orbit Period

Value

445.7751

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.63842E-7	1.58339E-7	6.33354E-6	-3.39879E-7	-2.16592E-6	2.08114E-5
e	1.58339E-7	1.53022E-7	6.12081E-6	-3.28474E-7	-2.09306E-6	2.01125E-5
i	6.33354E-6	6.12081E-6	2.44838E-4	-1.31380E-5	-8.37180E-5	8.04487E-4
Ω	-3.39879E-7	-3.28474E-7	-1.31380E-5	7.05409E-7	4.49327E-6	-4.31738E-5
ω	-2.16592E-6	-2.09306E-6	-8.37180E-5	4.49327E-6	2.86548E-5	-2.75126E-4
M	2.08114E-5	2.01125E-5	8.04487E-4	-4.31738E-5	-2.75126E-4	2.64351E-3

Date of computation: 2025-11-28 13:01 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

25.508

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

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

0.647684

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

2025-11-28.431284

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1950-11-29 08:25	> 1 mo	0.0898490	0.0200138	17.4350650
EARTH	1956-12-06 13:11	> 1 mo	0.0984830	0.0201166	15.8357182
EARTH	1975-05-18 21:08	> 1 mo	0.1362828	0.0120758	0.6686075
EARTH	1981-05-30 02:53	> 1 mo	0.0451041	0.0019462	4.3998023
EARTH	1985-11-24 13:27	> 1 mo	0.1994085	0.0177644	4.7689226
EARTH	1991-12-04 20:29	> 1 mo	0.0374975	0.0227172	3.7862113
EARTH	2010-05-28 05:15	> 1 d	0.0051457	0.0017305	0.0252827
EARTH	2014-12-08 05:34	1176.7	0.0938262	0.0331794	0.0225720
EARTH	2021-05-24 15:27	> 1 d	0.0503645	0.0025707	0.0166550
EARTH	2025-12-05 07:40	< 1 min	0.0360358	0.0359052	0.0000435
EARTH	2032-05-18 15:07	> 1 d	0.1255830	0.0676460	0.0193572
EARTH	2036-12-02 06:21	> 1 d	0.0556442	0.0287449	0.0301619
EARTH	2060-06-06 20:31	> 1 d	0.1989060	0.1155644	0.0277934
EARTH	2071-06-01 15:43	> 1 d	0.0783019	0.0143137	0.0214294
EARTH	2075-12-10 02:34	159.2	0.1529820	0.1146192	0.0128820
EARTH	2082-05-26 20:53	271.4	0.0226702	0.0095041	0.0044043
EARTH	2086-12-04 08:35	64.7	0.0301790	0.0291204	0.0004403
EARTH	2110-05-27 08:41	252.5	0.0343200	0.0219235	0.0041339
EARTH	2114-12-02 06:07	212.9	0.0858114	0.0786796	0.0023972

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
69.47633608	144.59162831	0.00268085	MINIMUM
292.44385364	331.35569369	0.02899139	MINIMUM
1.07646110	57.57201766	0.28742148	SADDLE
180.70723906	238.22656622	0.56570811	SADDLE
2.87140712	240.08556752	1.77473759	SADDLE
181.89347571	59.09217397	2.48644768	MAXIMUM

Download:

MOID Plots

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