Asteroids

2022SG3 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.905

Aphelion (Q)

2.969

Eccentricity (e)

0.533

Inclination (i)

4.0

deg

Orbit period (P)

984.5

Earth MOID

0.00230

U parameter

6.7

Next Earth close approach

Date

2031-01-03

Nominal distance (from Earth center)

0.19723

29504617

Maximum Brightness

26.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-20

Observatory

Pan-STARRS 2, Haleakala

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

1.936763

1-sigma variation

0.000354

Unit

Eccentricity (e)

Value

0.532784

1-sigma variation

0.000090

Unit

Inclination (i)

Value

4.0196

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

357.7587

1-sigma variation

3.031E-6

Unit

Arg. of Perihelion (ω)

Value

46.2208

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

50.04603

1-sigma variation

0.11201

Unit

Perihelion distance

Value

0.904887

1-sigma variation

Unit

Aphelion distance

Value

2.968639

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.008822

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.200155

1-sigma variation

Unit

MOID

Value

0.002297

1-sigma variation

Unit

Orbit Period

Value

984.4944

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.25225E-7	3.18819E-8	1.90506E-7	6.98683E-10	-6.47860E-8	-3.96364E-5
e	3.18819E-8	8.11702E-9	4.85021E-8	1.77925E-10	-1.64879E-8	-1.00913E-5
i	1.90506E-7	4.85021E-8	2.89925E-7	1.06507E-9	-9.85563E-8	-6.02992E-5
Ω	6.98683E-10	1.77925E-10	1.06507E-9	9.18670E-12	-3.49155E-10	-2.21152E-7
ω	-6.47860E-8	-1.64879E-8	-9.85563E-8	-3.49155E-10	3.61356E-8	2.05056E-5
M	-3.96364E-5	-1.00913E-5	-6.02992E-5	-2.21152E-7	2.05056E-5	1.25458E-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

27.025

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

10 - 23*

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

1089

Unit

Source

[1]

Normalized RMS of residuals

Value

0.5353

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-18.20209

Unit

Source

[2]

Last Observation

Value

2022-09-23.03657

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

104 (9)

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 2022SG3 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
MARS	1951-11-25 19:21	> 1 d	0.0203628	0.0051092	0.0568393
EARTH	1959-09-06 11:46	> 1 d	0.1530865	0.0050505	0.0885131
EARTH	2000-12-19 17:13	> 1 d	0.0812101	0.0704195	0.0154196
EARTH	2011-11-02 14:12	> 1 d	0.0974797	0.0922440	0.0019963
EARTH	2022-09-22 08:08	< 1 s	0.0044570	0.0044550	0.0000007
EARTH	2031-01-03 07:33	1186.0	0.1972262	0.1586081	0.0131112
EARTH	2057-12-06 01:24	> 1 w	0.0780753	0.0697648	0.0157563
EARTH	2084-09-27 16:08	> 1 w	0.0250904	0.0037001	0.0781149
EARTH	2111-11-14 08:30	> 1 mo	0.0988390	0.0957994	0.0937278

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
334.69934007	258.41467477	0.00250149	MINIMUM
22.06641482	340.94929732	0.06885465	MINIMUM
1.24560460	304.78185013	0.09890534	SADDLE
358.68703675	120.20700234	1.91263343	SADDLE
179.68454944	121.23659198	1.96214140	SADDLE
179.51911943	301.14955989	3.95900495	MAXIMUM

Download:

MOID Plots

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