Asteroids

2022SH1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.028

Aphelion (Q)

3.834

Eccentricity (e)

0.577

Inclination (i)

1.7

deg

Orbit period (P)

1384.3

Earth MOID

0.03044

U parameter

8.2

Next Earth close approach

Date

2056-10-28

Nominal distance (from Earth center)

0.11131

16651682

Maximum Brightness

23.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-18

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

2.430874

1-sigma variation

0.007585

Unit

Eccentricity (e)

Value

0.577129

1-sigma variation

0.001294

Unit

Inclination (i)

Value

1.7027

1-sigma variation

0.0031

Unit

Long. of Ascending Node (Ω)

Value

319.0667

1-sigma variation

0.0103

Unit

Arg. of Perihelion (ω)

Value

42.2664

1-sigma variation

0.0079

Unit

Mean Anomaly (M)

Value

300.55030

1-sigma variation

1.40375

Unit

Perihelion distance

Value

1.027947

1-sigma variation

Unit

Aphelion distance

Value

3.833801

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.121299

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.844626

1-sigma variation

Unit

MOID

Value

0.030441

1-sigma variation

Unit

Orbit Period

Value

1384.3381

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.75299E-5	9.81860E-6	2.33353E-5	-7.83091E-5	5.99609E-5	-1.06472E-2
e	9.81860E-6	1.67574E-6	3.98263E-6	-1.33650E-5	1.02335E-5	-1.81716E-3
i	2.33353E-5	3.98263E-6	9.46566E-6	-3.17503E-5	2.43062E-5	-4.31873E-3
Ω	-7.83091E-5	-1.33650E-5	-3.17503E-5	1.07086E-4	-8.21757E-5	1.44929E-2
ω	5.99609E-5	1.02335E-5	2.43062E-5	-8.21757E-5	6.31284E-5	-1.10972E-2
M	-1.06472E-2	-1.81716E-3	-4.31873E-3	1.44929E-2	-1.10972E-2	1.97051E0

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

26.094

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

16 - 40*

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

1087

Unit

Source

[1]

Normalized RMS of residuals

Value

0.752149

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-15.29986

Unit

Source

[2]

Last Observation

Value

2022-09-26.620011

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

14 (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 2022SH1 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	1954-08-28 12:55	> 1 w	0.0613684	0.0156341	0.0887828
MARS	1962-01-18 11:36	> 1 w	0.0138515	0.0079392	0.1213988
EARTH	1988-08-10 14:45	> 1 mo	0.1536311	0.0068979	0.6737555
EARTH	2003-11-03 10:28	> 1 mo	0.1922023	0.0285736	0.5356106
EARTH	2022-09-15 04:11	< 1 min	0.0299318	0.0297551	0.0000589
MARS	2022-12-30 23:46	232.1	0.0152889	0.0144019	0.0003045
EARTH	2056-10-28 03:27	> 1 mo	0.1113096	0.0263273	0.7311463
EARTH	2090-08-14 09:33	> 1 mo	0.1664298	0.0116722	0.4800168

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
357.38088348	254.92011612	0.03083246	MINIMUM
358.76384028	77.59341842	2.02406053	SADDLE
179.67513774	78.68776179	2.83724901	SADDLE
179.65295691	258.67475267	4.83651912	MAXIMUM

Download:

MOID Plots

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