Asteroids

2022OB5 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.970

Aphelion (Q)

1.082

Eccentricity (e)

0.055

Inclination (i)

2.8

deg

Orbit period (P)

379.7

Earth MOID

0.00492

U parameter

1.9

Next Earth close approach

Date

2050-08-25

Nominal distance (from Earth center)

0.1392

20823617

Maximum Brightness

27.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.9

mag

Diameter

4 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-07-30

Observatory

MAPS, San Pedro de Atacama

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

1.026199

1-sigma variation

7.051E-8

Unit

Eccentricity (e)

Value

0.054859

1-sigma variation

6.498E-8

Unit

Inclination (i)

Value

2.7558

1-sigma variation

1.818E-6

Unit

Long. of Ascending Node (Ω)

Value

296.0278

1-sigma variation

7.693E-6

Unit

Arg. of Perihelion (ω)

Value

127.4135

1-sigma variation

4.744E-5

Unit

Mean Anomaly (M)

Value

183.66208

1-sigma variation

0.00006

Unit

Perihelion distance

Value

0.969903

1-sigma variation

Unit

Aphelion distance

Value

1.082494

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.041866

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.006301

1-sigma variation

Unit

MOID

Value

0.004919

1-sigma variation

Unit

Orbit Period

Value

379.7043

1-sigma variation

Unit

U parameter

Value

1.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.97209E-15	4.44640E-15	-9.75602E-14	-1.92290E-13	2.95129E-12	-3.95969E-12
e	4.44640E-15	4.22190E-15	-9.55357E-14	-9.97020E-14	2.33881E-12	-3.35200E-12
i	-9.75602E-14	-9.55357E-14	3.30389E-12	3.23104E-12	-3.83185E-11	6.10318E-11
Ω	-1.92290E-13	-9.97020E-14	3.23104E-12	5.91817E-11	-2.21373E-10	1.96885E-10
ω	2.95129E-12	2.33881E-12	-3.83185E-11	-2.21373E-10	2.25033E-9	-2.68145E-9
M	-3.95969E-12	-3.35200E-12	6.10318E-11	1.96885E-10	-2.68145E-9	3.39980E-9

Date of computation: 2026-03-18 10:55 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

28.912

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

4 - 10*

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

1268

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

2.39197

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-07-28.494495

Unit

Source

[2]

Last Observation

Value

2026-01-16.821944

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

58 (9)

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 2022OB5 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	1965-08-14 06:44	11.9	0.1315427	0.1300759	0.0004890
EARTH	1966-06-30 15:29	> 1 d	0.0652990	0.0644186	0.0002949
EARTH	1967-01-22 07:47	249.3	0.0253662	0.0246040	0.0002584
EARTH	1968-01-15 03:31	7.5	0.1757825	0.1745981	0.0003948
EARTH	1997-08-04 05:52	< 1 min	0.1786717	0.1786422	0.0000098
EARTH	1998-08-11 07:33	< 1 min	0.0135550	0.0135441	0.0000037
EARTH	1999-02-12 11:40	9.3	0.0628240	0.0628177	0.0000021
EARTH	1999-12-28 09:32	< 1 min	0.1949900	0.1949766	0.0000044
EARTH	2022-08-05 22:05	< 1 s	0.0067917	0.0067917	0.0000000
EARTH	2023-06-19 03:58	< 1 min	0.0551751	0.0551750	0.0000000
EARTH	2023-10-06 19:47	< 1 min	0.0527022	0.0527022	0.0000000
EARTH	2024-04-09 21:13	< 1 min	0.0681819	0.0681819	0.0000000
EARTH	2025-01-18 01:43	< 1 s	0.0227485	0.0227484	0.0000000
EARTH	2026-01-14 07:20	< 1 s	0.0043136	0.0043136	0.0000000
EARTH	2050-08-25 08:17	< 1 min	0.1391973	0.1391532	0.0000147
EARTH	2051-06-18 09:49	31.1	0.0706166	0.0706022	0.0000048
EARTH	2052-01-14 10:48	1.7	0.0325265	0.0324847	0.0000139
EARTH	2072-08-27 21:12	178.4	0.0388467	0.0382941	0.0001957
EARTH	2073-03-21 06:57	> 1 d	0.0768431	0.0761403	0.0002348
EARTH	2074-01-24 13:26	5.2	0.1830544	0.1809115	0.0007143
EARTH	2096-08-30 07:10	34.3	0.0917310	0.0850631	0.0022397
EARTH	2097-05-18 17:01	> 1 d	0.0831389	0.0827133	0.0001557
EARTH	2098-01-20 06:00	120.3	0.0930432	0.0877773	0.0017553
EARTH	2120-08-29 19:20	448.8	0.1784196	0.1183769	0.0202566
EARTH	2121-07-05 03:11	> 1 w	0.0633825	0.0536467	0.0079224
EARTH	2122-01-12 16:56	> 1 d	0.0148449	0.0026406	0.0210433

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
46.61671284	7.85608994	0.00491934	MINIMUM
262.05706556	218.54375142	0.03014678	MINIMUM
328.37914462	286.66600267	0.05039863	SADDLE
156.58165179	116.05471553	0.08541852	SADDLE
344.29657111	123.31393974	1.98063522	SADDLE
167.55961434	306.58274072	2.07075759	MAXIMUM

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MOID Plots

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