Asteroids

2022UO12 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.683

Aphelion (Q)

2.696

Eccentricity (e)

0.596

Inclination (i)

3.3

deg

Orbit period (P)

802.1

Earth MOID

0.00140

U parameter

7.8

Next Earth close approach

Date

2033-10-21

Nominal distance (from Earth center)

0.12369

18503534

Maximum Brightness

26.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.3

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-26

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.689439

1-sigma variation

0.001293

Unit

Eccentricity (e)

Value

0.595610

1-sigma variation

0.000406

Unit

Inclination (i)

Value

3.3337

1-sigma variation

0.0024

Unit

Long. of Ascending Node (Ω)

Value

214.2119

1-sigma variation

0.0018

Unit

Arg. of Perihelion (ω)

Value

262.0115

1-sigma variation

0.0029

Unit

Mean Anomaly (M)

Value

30.85033

1-sigma variation

0.47569

Unit

Perihelion distance

Value

0.683192

1-sigma variation

Unit

Aphelion distance

Value

2.695686

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.183031

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012856

1-sigma variation

Unit

MOID

Value

0.001403

1-sigma variation

Unit

Orbit Period

Value

802.0698

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.67148E-6	5.25128E-7	3.06437E-6	2.31191E-6	-3.75401E-6	-6.15002E-4
e	5.25128E-7	1.64980E-7	9.62797E-7	7.26320E-7	-1.17905E-6	-1.93215E-4
i	3.06437E-6	9.62797E-7	5.62161E-6	4.23807E-6	-6.86748E-6	-1.12750E-3
Ω	2.31191E-6	7.26320E-7	4.23807E-6	3.19792E-6	-5.19534E-6	-8.50643E-4
ω	-3.75401E-6	-1.17905E-6	-6.86748E-6	-5.19534E-6	8.50803E-6	1.38124E-3
M	-6.15002E-4	-1.93215E-4	-1.12750E-3	-8.50643E-4	1.38124E-3	2.26283E-1

Date of computation: 2025-07-29 02:36 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

28.261

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

6 - 13*

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

1048

Unit

Source

[1]

Normalized RMS of residuals

Value

0.410173

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-26.271335

Unit

Source

[2]

Last Observation

Value

2022-10-29.304593

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (0)

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 2022UO12 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	1955-10-22 09:11	736.3	0.1082297	0.0830629	0.0083890
EARTH	1958-03-17 06:45	> 1 d	0.1903481	0.1536300	0.0122446
EARTH	2009-11-17 03:25	> 1 w	0.1751300	0.0068628	0.0662894
EARTH	2012-04-14 01:23	> 1 d	0.0917981	0.0160659	0.0741773
VENUS	2020-10-04 09:54	> 1 d	0.0482768	0.0335806	0.0099497
EARTH	2022-10-29 15:12	< 1 s	0.0032518	0.0032449	0.0000023
EARTH	2025-04-15 14:03	1274.9	0.1306850	0.0816835	0.0164075
MARS	2027-08-22 11:26	> 1 d	0.0398872	0.0373606	0.0087664
EARTH	2033-10-21 22:17	> 1 d	0.1236885	0.0011715	0.0829510
EARTH	2036-04-08 01:54	> 1 d	0.0177531	0.0162063	0.0380494
EARTH	2044-10-18 09:10	> 1 mo	0.1860713	0.0007501	0.6775599
EARTH	2047-04-05 17:17	> 1 mo	0.0418591	0.0157651	0.7361586
EARTH	2058-03-22 01:38	> 1 mo	0.1656050	0.0109553	0.1923257
4 Vesta	2109-02-27 09:33	> 1 w	0.0100351	0.0027405	1.4389498

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
313.76446809	294.24678386	0.00140317	MINIMUM
46.97887058	94.68996230	0.01652346	MINIMUM
0.57063740	14.76436901	0.30463826	SADDLE
180.13747895	194.12882860	1.68256998	SADDLE
0.49309081	194.60285231	1.69830949	SADDLE
180.10283867	14.10855690	3.67861482	MAXIMUM

Download:

MOID Plots

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