Asteroids

2022UA22 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.039

Aphelion (Q)

1.475

Eccentricity (e)

0.173

Inclination (i)

8.7

deg

Orbit period (P)

514.9

Earth MOID

0.05739

U parameter

7.2

Next Earth close approach

Date

2046-11-07

Nominal distance (from Earth center)

0.19

28423006

Maximum Brightness

24.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-30

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

1.257278

1-sigma variation

0.000311

Unit

Eccentricity (e)

Value

0.173451

1-sigma variation

0.000166

Unit

Inclination (i)

Value

8.6907

1-sigma variation

0.0073

Unit

Long. of Ascending Node (Ω)

Value

44.9893

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

21.6559

1-sigma variation

0.0055

Unit

Mean Anomaly (M)

Value

39.66694

1-sigma variation

0.27807

Unit

Perihelion distance

Value

1.039202

1-sigma variation

Unit

Aphelion distance

Value

1.475354

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.059122

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.443550

1-sigma variation

Unit

MOID

Value

0.057386

1-sigma variation

Unit

Orbit Period

Value

514.9266

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.65262E-8	5.16377E-8	2.26349E-6	-2.35116E-7	-1.71108E-6	-8.63928E-5
e	5.16377E-8	2.76242E-8	1.21087E-6	-1.25773E-7	-9.15318E-7	-4.62168E-5
i	2.26349E-6	1.21087E-6	5.30784E-5	-5.51386E-6	-4.01274E-5	-2.02586E-3
Ω	-2.35116E-7	-1.25773E-7	-5.51386E-6	5.73174E-7	4.17104E-6	2.10431E-4
ω	-1.71108E-6	-9.15318E-7	-4.01274E-5	4.17104E-6	3.03664E-5	1.53142E-3
M	-8.63928E-5	-4.62168E-5	-2.02586E-3	2.10431E-4	1.53142E-3	7.73232E-2

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

25.392

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

22 - 50*

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

[-]

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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

1068

Unit

Source

[1]

Normalized RMS of residuals

Value

0.573065

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-30.267181

Unit

Source

[2]

Last Observation

Value

2022-11-26.81762

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

35 (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 2022UA22 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	1953-11-10 04:10	> 1 d	0.0883413	0.0538712	0.1934600
EARTH	1960-11-11 13:35	> 1 d	0.1795361	0.0477480	0.2474478
EARTH	1991-11-12 16:17	> 1 d	0.0646596	0.0564515	0.0298751
EARTH	2022-11-12 11:49	< 1 min	0.0611118	0.0609514	0.0000535
EARTH	2046-11-07 08:06	> 1 d	0.1899961	0.0521328	0.0509352
EARTH	2053-11-12 17:34	607.8	0.1313809	0.0500788	0.0541721
EARTH	2077-11-11 13:02	983.8	0.0638520	0.0569705	0.0124561
EARTH	2108-11-13 02:57	> 1 d	0.0599098	0.0577058	0.0153534

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
345.59771460	307.93366382	0.05748077	MINIMUM
184.39070894	147.49253429	0.46761389	SADDLE
358.01361157	142.39390968	2.05155930	SADDLE
176.86779292	321.18330162	2.46135700	MAXIMUM

Download:

MOID Plots

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