Asteroids

2022WB5 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.697

Aphelion (Q)

1.465

Eccentricity (e)

0.355

Inclination (i)

7.2

deg

Orbit period (P)

410.7

Earth MOID

0.01150

U parameter

7.8

Next Earth close approach

Date

2031-12-03

Nominal distance (from Earth center)

0.02512

3757380

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-23

Observatory

Mt. Lemmon Survey

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

1.081283

1-sigma variation

0.000454

Unit

Eccentricity (e)

Value

0.354972

1-sigma variation

0.000647

Unit

Inclination (i)

Value

7.1749

1-sigma variation

0.0134

Unit

Long. of Ascending Node (Ω)

Value

257.0897

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

271.0833

1-sigma variation

0.0033

Unit

Mean Anomaly (M)

Value

348.30986

1-sigma variation

0.64514

Unit

Perihelion distance

Value

0.697458

1-sigma variation

Unit

Aphelion distance

Value

1.465108

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.076040

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.034039

1-sigma variation

Unit

MOID

Value

0.011499

1-sigma variation

Unit

Orbit Period

Value

410.6836

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.06230E-7	2.93892E-7	6.06767E-6	-3.01009E-7	1.48330E-6	-2.92977E-4
e	2.93892E-7	4.18834E-7	8.64675E-6	-4.27319E-7	2.11447E-6	-4.17512E-4
i	6.06767E-6	8.64675E-6	1.78526E-4	-8.87519E-6	4.36464E-5	-8.61991E-3
Ω	-3.01009E-7	-4.27319E-7	-8.87519E-6	6.23342E-7	-2.13111E-6	4.27608E-4
ω	1.48330E-6	2.11447E-6	4.36464E-5	-2.13111E-6	1.07135E-5	-2.10722E-3
M	-2.92977E-4	-4.17512E-4	-8.61991E-3	4.27608E-4	-2.10722E-3	4.16211E-1

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

25.634

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

20 - 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

[-]

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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

1217

Unit

Source

[1]

Normalized RMS of residuals

Value

0.631363

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-23.400784

Unit

Source

[2]

Last Observation

Value

2022-11-30.86423

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (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

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 2022WB5 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	1960-06-24 02:07	> 1 d	0.0918389	0.0266650	0.0483511
EARTH	1969-06-11 15:00	> 1 d	0.1320706	0.0422453	0.0321477
EARTH	1976-12-05 16:27	592.6	0.0386365	0.0103226	0.0119649
EARTH	1985-11-27 11:57	> 1 d	0.1454272	0.0501401	0.0319573
EARTH	1997-06-21 16:16	> 1 d	0.0426208	0.0263359	0.0596877
EARTH	2006-06-14 07:42	> 1 d	0.1021364	0.0282823	0.0642247
EARTH	2013-12-12 23:54	> 1 d	0.1491815	0.0439867	0.0356605
EARTH	2022-12-05 03:47	< 1 min	0.0149137	0.0148278	0.0000286
EARTH	2031-12-03 22:24	> 1 d	0.0251165	0.0113025	0.0318122
EARTH	2040-11-27 08:35	> 1 d	0.1515813	0.0154915	0.0471354
EARTH	2052-06-23 11:00	> 1 d	0.0763357	0.0281628	0.1292134
EARTH	2061-06-18 09:28	> 1 d	0.0418016	0.0272867	0.0962531
EARTH	2070-06-01 22:20	> 1 w	0.1801086	0.0480044	0.0994661
EARTH	2077-12-07 09:56	> 1 d	0.0586278	0.0102644	0.0685246
EARTH	2086-12-02 08:21	> 1 d	0.0560605	0.0094607	0.0239412
EARTH	2098-06-27 14:45	> 1 d	0.1457764	0.0290108	0.1025727
EARTH	2107-06-21 07:12	> 1 w	0.0299750	0.0283469	0.0529791
EARTH	2116-05-31 11:30	> 1 mo	0.1848985	0.0551568	0.5389761
EARTH	2123-12-07 14:25	> 1 mo	0.0308994	0.0099937	0.9746256

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.00569731	331.32560378	0.01137124	MINIMUM
79.16281970	166.86411599	0.02639426	MINIMUM
2.92992429	69.82192616	0.31458720	SADDLE
181.43018255	248.51338720	0.48226174	SADDLE
3.43703985	250.54051126	1.70127436	SADDLE
181.69968798	68.69363109	2.45453442	MAXIMUM

Download:

MOID Plots

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