Asteroids

2022AT5 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.614

Aphelion (Q)

1.051

Eccentricity (e)

0.262

Inclination (i)

15.2

deg

Orbit period (P)

277.4

Earth MOID

0.01136

U parameter

6.7

Next Earth close approach

Date

2041-01-14

Nominal distance (from Earth center)

0.0805

12043050

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-01-10

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

0.832320

1-sigma variation

0.000048

Unit

Eccentricity (e)

Value

0.262409

1-sigma variation

0.000143

Unit

Inclination (i)

Value

15.2172

1-sigma variation

0.0121

Unit

Long. of Ascending Node (Ω)

Value

290.7846

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

328.2793

1-sigma variation

0.0035

Unit

Mean Anomaly (M)

Value

260.07559

1-sigma variation

0.17503

Unit

Perihelion distance

Value

0.613912

1-sigma variation

Unit

Aphelion distance

Value

1.050729

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.384319

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.013902

1-sigma variation

Unit

MOID

Value

0.011361

1-sigma variation

Unit

Orbit Period

Value

277.3538

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.30560E-9	-6.83550E-9	-5.81576E-7	7.61424E-9	1.50942E-7	-8.40305E-6
e	-6.83550E-9	2.03509E-8	1.73150E-6	-2.26122E-8	-4.60673E-7	2.49394E-5
i	-5.81576E-7	1.73150E-6	1.47334E-4	-1.92411E-6	-3.91945E-5	2.12189E-3
Ω	7.61424E-9	-2.26122E-8	-1.92411E-6	2.51708E-8	5.04290E-7	-2.77628E-5
ω	1.50942E-7	-4.60673E-7	-3.91945E-5	5.04290E-7	1.19140E-5	-5.54222E-4
M	-8.40305E-6	2.49394E-5	2.12189E-3	-2.77628E-5	-5.54222E-4	3.06343E-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

27.409

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

9 - 20*

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

1344

Unit

Source

[1]

Normalized RMS of residuals

Value

0.97578

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-01-10.251189

Unit

Source

[2]

Last Observation

Value

2022-01-11.970652

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

30 (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 2022AT5 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	1953-01-13 23:34	298.7	0.1170746	0.0239782	0.0329768
EARTH	1956-01-07 09:30	> 1 d	0.0808042	0.0234727	0.0261746
EARTH	1975-01-13 06:50	176.0	0.0130000	0.0110892	0.0017458
EARTH	1977-12-27 07:07	796.5	0.1465192	0.1370682	0.0031795
EARTH	1997-01-14 03:54	22.1	0.0998478	0.0700959	0.0099836
EARTH	2000-01-08 09:17	1248.3	0.0710740	0.0463663	0.0084426
EARTH	2019-01-13 21:19	25.7	0.1750448	0.1705745	0.0014905
EARTH	2022-01-12 10:26	< 1 min	0.0145282	0.0144982	0.0000100
EARTH	2024-12-18 23:48	338.1	0.1801900	0.1774587	0.0009163
EARTH	2041-01-14 03:53	35.1	0.0805028	0.0533016	0.0091612
EARTH	2044-01-03 12:40	> 1 d	0.1089977	0.0868153	0.0075402
EARTH	2060-01-13 17:47	209.7	0.1981722	0.1738546	0.0081144
EARTH	2063-01-12 13:22	499.9	0.0170665	0.0120719	0.0049679
EARTH	2065-12-14 14:06	1281.6	0.1962568	0.1845132	0.0040526
EARTH	2079-01-14 01:48	84.9	0.1650802	0.1550323	0.0033519
EARTH	2082-01-08 13:48	291.9	0.0653883	0.0595119	0.0019712
EARTH	2098-01-14 10:21	55.7	0.0678346	0.0551243	0.0042623
EARTH	2100-12-28 14:54	928.2	0.1436191	0.1332104	0.0034986
EARTH	2117-01-13 19:42	383.6	0.0129062	0.0123467	0.0020218
EARTH	2119-12-21 20:53	> 1 d	0.1746662	0.1223032	0.0199799

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
222.61846286	9.82661302	0.01140978	MINIMUM
344.30948256	136.32059207	0.42344032	SADDLE
358.10586762	334.65486363	1.59500288	SADDLE
184.09298678	161.11314692	2.06160917	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out