Asteroids

2022SG help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.672

Aphelion (Q)

3.369

Eccentricity (e)

0.667

Inclination (i)

12.3

deg

Orbit period (P)

1049.2

Earth MOID

0.01181

U parameter

8.2

Next Earth close approach

Date

2045-09-17

Nominal distance (from Earth center)

0.10747

16077184

Maximum Brightness

22.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-16

Observatory

Catalina Sky 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

2.020738

1-sigma variation

0.004124

Unit

Eccentricity (e)

Value

0.667416

1-sigma variation

0.000768

Unit

Inclination (i)

Value

12.2929

1-sigma variation

0.0127

Unit

Long. of Ascending Node (Ω)

Value

177.2474

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

263.2543

1-sigma variation

0.0064

Unit

Mean Anomaly (M)

Value

311.57261

1-sigma variation

0.94542

Unit

Perihelion distance

Value

0.672065

1-sigma variation

Unit

Aphelion distance

Value

3.369411

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.220357

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.035258

1-sigma variation

Unit

MOID

Value

0.011813

1-sigma variation

Unit

Orbit Period

Value

1049.2125

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.70058E-5	3.16848E-6	5.21924E-5	2.53463E-6	-2.62252E-5	-3.89873E-3
e	3.16848E-6	5.90344E-7	9.72436E-6	4.72249E-7	-4.88606E-6	-7.26401E-4
i	5.21924E-5	9.72436E-6	1.60184E-4	7.77905E-6	-8.04875E-5	-1.19656E-2
Ω	2.53463E-6	4.72249E-7	7.77905E-6	3.77803E-7	-3.90804E-6	-5.81085E-4
ω	-2.62252E-5	-4.88606E-6	-8.04875E-5	-3.90804E-6	4.04812E-5	6.01236E-3
M	-3.89873E-3	-7.26401E-4	-1.19656E-2	-5.81085E-4	6.01236E-3	8.93817E-1

Date of computation: 2025-02-19 13:28 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

24.443

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

30 - 80*

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

961

Unit

Source

[1]

Normalized RMS of residuals

Value

0.532387

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-16.407613

Unit

Source

[2]

Last Observation

Value

2022-09-22.14991

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

73 (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 2022SG 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	1968-02-25 09:24	> 1 mo	0.1023675	0.0752599	0.4793276
EARTH	1994-02-23 21:37	> 1 mo	0.1082400	0.0705797	0.3764500
EARTH	2022-09-22 15:08	< 1 s	0.0187528	0.0186925	0.0000201
EARTH	2045-09-17 04:05	> 1 w	0.1074693	0.0120528	0.4057869
EARTH	2068-09-19 19:05	> 1 w	0.0719609	0.0193288	0.3694419
EARTH	2091-09-27 21:14	> 1 w	0.0550549	0.0240407	0.2653764
EARTH	2114-09-22 06:42	> 1 mo	0.0483063	0.0243417	0.5836146

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
318.76489702	259.29516270	0.01191398	MINIMUM
41.42672990	58.65023913	0.06271191	MINIMUM
0.39809638	339.88031779	0.35617035	SADDLE
359.60994511	158.13493349	1.67873204	SADDLE
180.02978357	158.36968319	2.38702961	SADDLE
179.80116424	338.26821721	4.33649902	MAXIMUM

Download:

MOID Plots

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