Asteroids

2022UO1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.805

Aphelion (Q)

1.333

Eccentricity (e)

0.247

Inclination (i)

24.5

deg

Orbit period (P)

403.9

Earth MOID

0.02880

U parameter

8.2

Next Earth close approach

Date

2043-10-21

Nominal distance (from Earth center)

0.04607

6892167

Maximum Brightness

19.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

26 - 60*

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

1.069328

1-sigma variation

0.000888

Unit

Eccentricity (e)

Value

0.246991

1-sigma variation

0.000654

Unit

Inclination (i)

Value

24.4603

1-sigma variation

0.0632

Unit

Long. of Ascending Node (Ω)

Value

204.8821

1-sigma variation

0.0042

Unit

Arg. of Perihelion (ω)

Value

277.6738

1-sigma variation

0.1291

Unit

Mean Anomaly (M)

Value

218.73901

1-sigma variation

1.08818

Unit

Perihelion distance

Value

0.805213

1-sigma variation

Unit

Aphelion distance

Value

1.333443

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.032580

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.041812

1-sigma variation

Unit

MOID

Value

0.028802

1-sigma variation

Unit

Orbit Period

Value

403.8917

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.88980E-7	5.80928E-7	5.61732E-5	3.69080E-6	-1.14678E-4	-9.66573E-4
e	5.80928E-7	4.27773E-7	4.13621E-5	2.71769E-6	-8.44329E-5	-7.11689E-4
i	5.61732E-5	4.13621E-5	3.99947E-3	2.62783E-4	-8.16452E-3	-6.88173E-2
Ω	3.69080E-6	2.71769E-6	2.62783E-4	1.72660E-5	-5.36436E-4	-4.52156E-3
ω	-1.14678E-4	-8.44329E-5	-8.16452E-3	-5.36436E-4	1.66690E-2	1.40491E-1
M	-9.66573E-4	-7.11689E-4	-6.88173E-2	-4.52156E-3	1.40491E-1	1.18414E0

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

25.074

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

26 - 60*

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

1066

Unit

Source

[1]

Normalized RMS of residuals

Value

0.696477

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-17.479044

Unit

Source

[2]

Last Observation

Value

2022-10-22.64664

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (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 2022UO1 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	1950-10-22 01:11	> 1 w	0.0763994	0.0365864	1.7163812
EARTH	1952-04-19 15:29	> 1 mo	0.0770304	0.0269101	2.1280992
EARTH	1960-10-18 12:26	> 1 mo	0.0824040	0.0377251	2.7482959
EARTH	1962-04-13 04:45	> 1 mo	0.0737116	0.0271650	2.9743279
EARTH	1981-10-22 08:50	> 1 w	0.1914338	0.0472885	1.3684992
EARTH	1983-04-26 06:23	> 1 mo	0.1920689	0.0325002	1.2751374
EARTH	1991-10-21 01:41	> 1 d	0.0375552	0.0372027	0.0394612
EARTH	1993-04-16 05:44	> 1 w	0.0269984	0.0265125	0.0377239
EARTH	2014-04-26 10:51	> 1 d	0.1985279	0.0328669	0.0690493
EARTH	2022-10-20 10:26	< 1 min	0.0433446	0.0430030	0.0001139
EARTH	2024-04-14 17:17	598.5	0.0426022	0.0257588	0.0073801
EARTH	2043-10-21 19:20	> 1 d	0.0460713	0.0363166	0.0924768
EARTH	2045-04-17 09:13	> 1 w	0.0311435	0.0275905	0.0779717
EARTH	2064-10-22 06:01	> 1 d	0.1965656	0.0449679	0.6682201
EARTH	2066-04-26 02:19	> 1 mo	0.1877637	0.0347497	0.7186285
EARTH	2074-10-20 04:59	> 1 w	0.0514242	0.0370825	0.5580197
EARTH	2076-04-13 23:52	> 1 mo	0.0568404	0.0288859	0.7058547
EARTH	2095-10-21 23:44	> 1 d	0.0484302	0.0371282	0.1663740
EARTH	2097-04-17 16:17	> 1 w	0.0330344	0.0277701	0.1171051
EARTH	2105-10-16 12:32	> 1 d	0.1895412	0.0357402	0.1287330
EARTH	2107-04-07 21:59	> 1 d	0.1992973	0.0432280	0.1162717

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
70.10573757	103.37174150	0.02755364	MINIMUM
279.25821881	285.81874157	0.03631005	MINIMUM
354.84497285	13.48900579	0.41707126	SADDLE
174.37420680	196.48301258	0.58491522	SADDLE
358.96652370	199.17334836	1.78041347	SADDLE
184.88480577	25.52800517	2.26841016	MAXIMUM

Download:

MOID Plots

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