Asteroids

2022UO help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.905

Aphelion (Q)

1.128

Eccentricity (e)

0.110

Inclination (i)

30.0

deg

Orbit period (P)

374.1

Earth MOID

0.03363

U parameter

8.4

Next Earth close approach

Date

2026-04-21

Nominal distance (from Earth center)

0.16439

24592749

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-17

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.016104

1-sigma variation

0.001034

Unit

Eccentricity (e)

Value

0.109687

1-sigma variation

0.000349

Unit

Inclination (i)

Value

29.9902

1-sigma variation

0.0821

Unit

Long. of Ascending Node (Ω)

Value

22.8553

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

108.6043

1-sigma variation

0.2399

Unit

Mean Anomaly (M)

Value

272.84769

1-sigma variation

1.09556

Unit

Perihelion distance

Value

0.904650

1-sigma variation

Unit

Aphelion distance

Value

1.127557

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.043185

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.034096

1-sigma variation

Unit

MOID

Value

0.033625

1-sigma variation

Unit

Orbit Period

Value

374.1154

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.06998E-6	1.07938E-7	8.47865E-5	1.19405E-6	-2.46235E-4	-1.13204E-3
e	1.07938E-7	1.21913E-7	7.15474E-6	7.08240E-8	-3.47260E-5	-9.73606E-5
i	8.47865E-5	7.15474E-6	6.73762E-3	9.52586E-5	-1.93865E-2	-8.99171E-2
Ω	1.19405E-6	7.08240E-8	9.52586E-5	1.35497E-6	-2.70361E-4	-1.27084E-3
ω	-2.46235E-4	-3.47260E-5	-1.93865E-2	-2.70361E-4	5.75471E-2	2.59016E-1
M	-1.13204E-3	-9.73606E-5	-8.99171E-2	-1.27084E-3	2.59016E-1	1.20025E0

Date of computation: 2025-09-10 00:30 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

26.446

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

14 - 30*

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

0.7

Unit

Source

[1]

Unobserved

Value

1100

Unit

Source

[1]

Normalized RMS of residuals

Value

0.66023

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-17.273279

Unit

Source

[2]

Last Observation

Value

2022-10-17.960054

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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 2022UO 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	1979-10-16 08:57	> 1 d	0.0812864	0.0439519	0.2033856
EARTH	1980-10-17 14:18	> 1 d	0.0813883	0.0423527	0.2183782
EARTH	1982-04-10 19:09	> 1 w	0.0688875	0.0325247	0.2476994
EARTH	1983-04-17 11:36	> 1 w	0.0877444	0.0325035	0.2630493
EARTH	2021-10-14 15:55	223.8	0.1466098	0.1255127	0.0070878
EARTH	2022-10-17 08:41	4.6	0.0426485	0.0422863	0.0001207
EARTH	2023-10-19 02:30	101.9	0.1475127	0.1266251	0.0070202
EARTH	2024-04-07 07:16	647.5	0.1353847	0.1065646	0.0096275
EARTH	2025-04-14 00:25	1071.2	0.0348964	0.0330440	0.0053264
EARTH	2026-04-21 00:32	> 1 d	0.1643924	0.0903016	0.0255726
EARTH	2063-10-15 21:44	> 1 d	0.1181683	0.0450595	0.3517588
EARTH	2064-10-17 09:29	> 1 d	0.0537671	0.0430715	0.2283387
EARTH	2065-10-18 22:40	> 1 d	0.1798787	0.0504846	0.3729091
EARTH	2066-04-09 11:47	> 1 w	0.1008102	0.0332113	0.3890095
EARTH	2067-04-16 08:19	> 1 w	0.0607782	0.0322984	0.3480571
EARTH	2104-10-15 00:12	> 1 d	0.1774095	0.0486910	0.1632399
EARTH	2105-10-17 21:56	> 1 d	0.0508676	0.0431731	0.0956971
EARTH	2106-10-19 21:14	> 1 d	0.1210231	0.0438687	0.1861451
EARTH	2107-04-07 23:58	> 1 w	0.1635387	0.0372611	0.1961525
EARTH	2108-04-13 18:13	> 1 w	0.0351042	0.0318977	0.0858178
EARTH	2109-04-20 13:40	> 1 w	0.1339728	0.0345226	0.2474078

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
66.12153322	100.21942253	0.03234647	MINIMUM
258.39970372	282.29729238	0.04280219	MINIMUM
343.08726588	10.15161972	0.49521342	SADDLE
161.09632149	192.75006559	0.56221977	SADDLE
351.10225685	200.21308667	1.85766136	SADDLE
220.75599923	70.62136086	2.07327524	MAXIMUM

Download:

MOID Plots

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