Asteroids

2025WB2 help

Last update: 2025-11-26 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.565

Aphelion (Q)

1.037

Eccentricity (e)

0.294

Inclination (i)

4.3

deg

Orbit period (P)

261.9

Earth MOID

0.00118

U parameter

6.9

Next Earth close approach

Date

2030-10-04

Nominal distance (from Earth center)

0.06581

9844638

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 23*

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

0.801105

1-sigma variation

0.000062

Unit

Eccentricity (e)

Value

0.294342

1-sigma variation

0.000129

Unit

Inclination (i)

Value

4.3139

1-sigma variation

0.0024

Unit

Long. of Ascending Node (Ω)

Value

244.1428

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

332.4523

1-sigma variation

0.0024

Unit

Mean Anomaly (M)

Value

217.86618

1-sigma variation

0.00605

Unit

Perihelion distance

Value

0.565306

1-sigma variation

Unit

Aphelion distance

Value

1.036904

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.434233

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.003010

1-sigma variation

Unit

MOID

Value

0.001178

1-sigma variation

Unit

Orbit Period

Value

261.8981

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.81758E-9	-7.95250E-9	-1.50358E-7	2.98649E-8	-1.40128E-7	-3.54004E-7
e	-7.95250E-9	1.65954E-8	3.14433E-7	-6.25067E-8	2.86988E-7	7.47900E-7
i	-1.50358E-7	3.14433E-7	5.97598E-6	-1.19011E-6	5.31642E-6	1.43774E-5
Ω	2.98649E-8	-6.25067E-8	-1.19011E-6	2.37453E-7	-1.04776E-6	-2.87435E-6
ω	-1.40128E-7	2.86988E-7	5.31642E-6	-1.04776E-6	5.96915E-6	1.12389E-5
M	-3.54004E-7	7.47900E-7	1.43774E-5	-2.87435E-6	1.12389E-5	3.65620E-5

Date of computation: 2025-11-26 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

27.063

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

10 - 23*

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

0.99569

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-24.121324

Unit

Source

[2]

Last Observation

Value

2025-11-26.078304

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (1)

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 2025WB2 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	1950-12-01 19:00	> 1 mo	0.0575642	0.0008728	3.1634188
EARTH	1955-09-30 05:30	> 1 mo	0.1765628	0.0658378	2.1872477
EARTH	1958-11-30 14:02	> 1 mo	0.1890812	0.0054695	1.9967190
EARTH	1963-10-02 00:38	> 1 mo	0.0729473	0.0623660	0.5571856
EARTH	1971-10-24 22:44	> 1 mo	0.0621072	0.0601816	0.0173633
EARTH	1979-11-21 22:42	> 1 mo	0.0282713	0.0023622	1.1291750
EARTH	1987-11-28 11:46	> 1 d	0.0036249	0.0000379	0.0091235
EARTH	1992-11-12 16:18	> 1 d	0.0440335	0.0256718	0.0063729
EARTH	1997-10-18 00:04	> 1 d	0.0574340	0.0573163	0.0004171
EARTH	2002-10-03 06:03	886.8	0.0792935	0.0621234	0.0076092
EARTH	2007-10-02 11:48	218.5	0.1767109	0.1475836	0.0098491
EARTH	2020-12-01 22:21	13.1	0.1027179	0.0923922	0.0034424
EARTH	2025-11-24 16:15	< 1 min	0.0143650	0.0143444	0.0000069
EARTH	2030-10-04 13:17	470.9	0.0658073	0.0623376	0.0013431
EARTH	2043-11-27 13:07	> 1 d	0.0025802	0.0016192	0.0073141
EARTH	2051-10-08 12:52	> 1 mo	0.0580143	0.0571499	0.0727893
EARTH	2059-09-28 06:07	> 1 w	0.1799995	0.0642866	1.4716867
EARTH	2062-12-01 03:19	> 1 mo	0.0465168	0.0035635	1.7685355
EARTH	2070-11-01 10:06	> 1 mo	0.0594656	0.0476442	0.0441777
EARTH	2078-09-28 07:25	> 1 mo	0.0833851	0.0567258	0.7954738
EARTH	2081-11-30 10:28	> 1 mo	0.1711412	0.0089697	1.6510133
EARTH	2089-11-26 19:14	> 1 mo	0.0045375	0.0030990	1.6456157
EARTH	2100-10-05 07:47	> 1 mo	0.0560730	0.0537164	4.0203966
EARTH	2103-12-02 11:30	> 1 mo	0.1189963	0.0054329	31.8548400
EARTH	2111-09-27 08:16	> 1 mo	0.1760545	0.0687382	41.5074336
EARTH	2114-11-14 09:04	> 1 mo	0.0474119	0.0132402	24.7173651
EARTH	2125-09-27 03:07	> 1 mo	0.0767335	0.0614764	16.8109610

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
217.86687362	324.29556010	0.00117763	MINIMUM
156.51743574	278.88477557	0.05697324	MINIMUM
170.19094732	289.02081217	0.05798313	SADDLE
4.16855658	119.45313864	0.44403739	SADDLE
4.64794743	300.13731297	1.55780529	SADDLE
182.95376270	118.38653798	2.04518022	MAXIMUM

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MOID Plots

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