Asteroids

2022OB5 help

Last update: 2025-02-20 11:58 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.947

Aphelion (Q)

1.058

Eccentricity (e)

0.055

Inclination (i)

2.1

deg

Orbit period (P)

366.6

Earth MOID

0.00337

U parameter

0.2

Next Earth close approach

Date

2026-01-14

Nominal distance (from Earth center)

0.00431

645386

Maximum Brightness

18.5

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

28.8

mag

Diameter

5 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-07-30

Observatory

MAP, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.002422

1-sigma variation

4.729E-9

Unit

Eccentricity (e)

Value

0.055282

1-sigma variation

5.029E-8

Unit

Inclination (i)

Value

2.0870

1-sigma variation

2.430E-6

Unit

Long. of Ascending Node (Ω)

Value

300.4258

1-sigma variation

1.650E-5

Unit

Arg. of Perihelion (ω)

Value

99.8557

1-sigma variation

8.298E-6

Unit

Mean Anomaly (M)

Value

177.78223

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.947006

1-sigma variation

Unit

Aphelion distance

Value

1.057838

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.006662

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005662

1-sigma variation

Unit

MOID

Value

0.003367

1-sigma variation

Unit

Orbit Period

Value

366.5848

1-sigma variation

Unit

U parameter

Value

0.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.23650E-17	1.51058E-16	-6.71736E-16	3.33225E-14	-5.34704E-15	-4.75597E-14
e	1.51058E-16	2.52869E-15	2.62511E-14	6.37826E-13	-1.86394E-13	-7.95884E-13
i	-6.71736E-16	2.62511E-14	5.90331E-12	3.02390E-11	-1.19978E-11	-2.22734E-11
Ω	3.33225E-14	6.37826E-13	3.02390E-11	2.72171E-10	-1.04957E-10	-2.56187E-10
ω	-5.34704E-15	-1.86394E-13	-1.19978E-11	-1.04957E-10	6.88581E-11	6.37937E-11
M	-4.75597E-14	-7.95884E-13	-2.22734E-11	-2.56187E-10	6.37937E-11	3.00740E-10

Date of computation: 2025-02-20 11:58 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

28.847

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

5 - 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

925

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.812441

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

2025-02-07.311834

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

52 (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 2022OB5 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	1965-08-13 20:55	40.5	0.1237694	0.1210914	0.0008927
EARTH	1966-06-23 08:14	> 1 d	0.0687597	0.0678532	0.0003046
EARTH	1967-01-20 15:48	202.5	0.0225469	0.0218802	0.0002280
EARTH	1968-01-15 07:37	7.4	0.1803134	0.1791422	0.0003904
EARTH	1997-08-04 06:09	< 1 min	0.1785589	0.1785299	0.0000097
EARTH	1998-08-11 07:24	< 1 min	0.0135131	0.0135023	0.0000036
EARTH	1999-02-12 12:27	9.1	0.0628492	0.0628431	0.0000020
EARTH	1999-12-28 09:30	< 1 min	0.1949368	0.1949238	0.0000043
EARTH	2022-08-05 22:05	< 1 s	0.0067917	0.0067916	0.0000000
EARTH	2023-06-19 03:57	< 1 min	0.0551758	0.0551756	0.0000001
EARTH	2023-10-06 19:48	< 1 min	0.0527025	0.0527023	0.0000001
EARTH	2024-04-09 21:14	< 1 min	0.0681823	0.0681822	0.0000000
EARTH	2025-01-18 01:43	< 1 s	0.0227488	0.0227487	0.0000000
EARTH	2026-01-14 07:20	< 1 min	0.0043141	0.0043141	0.0000000
EARTH	2050-08-25 09:32	1.1	0.1375594	0.1373913	0.0000560
EARTH	2051-06-17 10:06	119.0	0.0711477	0.0710939	0.0000180
EARTH	2052-01-14 14:25	6.3	0.0340746	0.0339162	0.0000528
EARTH	2072-09-02 03:28	2.4	0.0826674	0.0772707	0.0018160
EARTH	2073-04-29 23:36	> 1 d	0.0889235	0.0885324	0.0001336
EARTH	2074-01-20 15:48	88.0	0.1451319	0.1408713	0.0014202
EARTH	2095-07-10 04:41	> 1 w	0.0624529	0.0526522	0.0051992
EARTH	2096-01-11 14:00	> 1 d	0.0165340	0.0059057	0.0123577
EARTH	2111-09-09 05:01	> 1 mo	0.0474937	0.0470450	0.1592731
EARTH	2111-12-17 09:53	> 1 mo	0.0391772	0.0094481	1.0268930

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
72.88308900	13.76216782	0.00336708	MINIMUM
258.41558003	193.59684620	0.00392566	MINIMUM
345.11631520	283.28106436	0.05903895	SADDLE
166.19012552	104.10987232	0.06432569	SADDLE
342.24853429	100.27115157	1.95195001	SADDLE
164.12736602	282.15232988	2.05167775	MAXIMUM

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MOID Plots

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