Asteroids

2025WB3 help

Last update: 2025-11-29 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.883

Aphelion (Q)

1.870

Eccentricity (e)

0.358

Inclination (i)

10.6

deg

Orbit period (P)

590.1

Earth MOID

0.00454

U parameter

7.8

Next Earth close approach

Date

2034-02-09

Nominal distance (from Earth center)

0.19015

28446779

Maximum Brightness

27.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 29*

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

1.376845

1-sigma variation

0.000951

Unit

Eccentricity (e)

Value

0.358384

1-sigma variation

0.000508

Unit

Inclination (i)

Value

10.5984

1-sigma variation

0.0123

Unit

Long. of Ascending Node (Ω)

Value

248.1523

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

234.5827

1-sigma variation

0.0049

Unit

Mean Anomaly (M)

Value

328.76620

1-sigma variation

0.04153

Unit

Perihelion distance

Value

0.883405

1-sigma variation

Unit

Aphelion distance

Value

1.870285

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.499478

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007291

1-sigma variation

Unit

MOID

Value

0.004536

1-sigma variation

Unit

Orbit Period

Value

590.1006

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.05217E-7	4.82908E-7	1.16781E-5	1.31926E-6	-4.67084E-6	3.95153E-5
e	4.82908E-7	2.57619E-7	6.23005E-6	7.03790E-7	-2.49131E-6	2.10801E-5
i	1.16781E-5	6.23005E-6	1.50665E-4	1.70196E-5	-6.02302E-5	5.09775E-4
Ω	1.31926E-6	7.03790E-7	1.70196E-5	1.92277E-6	-6.80733E-6	5.75896E-5
ω	-4.67084E-6	-2.49131E-6	-6.02302E-5	-6.80733E-6	2.42419E-5	-2.03944E-4
M	3.95153E-5	2.10801E-5	5.09775E-4	5.75896E-5	-2.03944E-4	1.72497E-3

Date of computation: 2025-11-29 13:15 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

26.562

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

13 - 29*

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

0.9

Unit

Source

[1]

Normalized RMS of residuals

Value

0.67486

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-24.49273

Unit

Source

[2]

Last Observation

Value

2025-11-29.439644

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2025WB3 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	1957-12-06 15:59	> 1 mo	0.0458615	0.0007117	3.6676704
EARTH	1970-11-17 15:53	> 1 mo	0.1920308	0.0081964	3.3204237
EARTH	1979-03-30 15:40	> 1 mo	0.1759840	0.1706293	0.6050758
EARTH	1992-01-13 23:07	> 1 mo	0.1671615	0.1065953	0.6125575
EARTH	2004-11-29 02:33	> 1 w	0.0233249	0.0037802	0.1293023
EARTH	2013-03-31 20:00	> 1 d	0.1784918	0.1695183	0.0259364
EARTH	2025-11-29 17:49	< 1 min	0.0201543	0.0200776	0.0000256
EARTH	2034-02-09 15:21	> 1 w	0.1901550	0.1864939	0.0053228
MARS	2052-02-28 10:35	> 1 d	0.0469313	0.0140470	0.1180848
EARTH	2054-11-18 19:17	> 1 w	0.1835034	0.0054266	0.1742284
EARTH	2062-12-19 23:06	> 1 mo	0.1117385	0.0203025	0.1483099
MARS	2063-06-10 09:12	> 1 d	0.0394831	0.0144765	0.1232054
EARTH	2071-04-01 07:22	> 1 d	0.1719903	0.1677986	0.0262861
EARTH	2091-12-05 11:19	> 1 d	0.0300036	0.0038664	0.0164324
EARTH	2100-04-02 21:46	972.5	0.1775022	0.1677079	0.0051507
EARTH	2112-11-25 03:56	837.5	0.0954585	0.0748883	0.0068656
EARTH	2121-02-28 15:49	582.9	0.1891449	0.1876427	0.0005156

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
321.82546150	328.48126262	0.00453614	MINIMUM
46.96024447	85.47936402	0.16922357	MINIMUM
17.09055569	45.12800091	0.19083983	SADDLE
183.29288766	203.45381241	0.87891194	SADDLE
2.45674073	204.08555597	1.89465197	SADDLE
179.64850805	20.90499802	2.84768270	MAXIMUM

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MOID Plots

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