Asteroids

2022SG1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.841

Aphelion (Q)

3.690

Eccentricity (e)

0.629

Inclination (i)

1.7

deg

Orbit period (P)

1245.6

Earth MOID

0.02230

U parameter

8.1

Next Earth close approach

Date

2046-06-02

Nominal distance (from Earth center)

0.11128

16646863

Maximum Brightness

25.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-16

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

2.265679

1-sigma variation

0.004797

Unit

Eccentricity (e)

Value

0.628650

1-sigma variation

0.000867

Unit

Inclination (i)

Value

1.7405

1-sigma variation

0.0017

Unit

Long. of Ascending Node (Ω)

Value

277.7180

1-sigma variation

0.0327

Unit

Arg. of Perihelion (ω)

Value

9.1958

1-sigma variation

0.0315

Unit

Mean Anomaly (M)

Value

349.89506

1-sigma variation

1.11929

Unit

Perihelion distance

Value

0.841360

1-sigma variation

Unit

Aphelion distance

Value

3.689997

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.172666

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.629512

1-sigma variation

Unit

MOID

Value

0.022296

1-sigma variation

Unit

Orbit Period

Value

1245.6495

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.30134E-5	4.15953E-6	7.98235E-6	-1.51999E-4	1.45271E-4	-5.36951E-3
e	4.15953E-6	7.51821E-7	1.44284E-6	-2.74466E-5	2.62280E-5	-9.70506E-4
i	7.98235E-6	1.44284E-6	2.76948E-6	-5.25201E-5	5.01701E-5	-1.86245E-3
Ω	-1.51999E-4	-2.74466E-5	-5.25201E-5	1.06903E-3	-1.03014E-3	3.54646E-2
ω	1.45271E-4	2.62280E-5	5.01701E-5	-1.03014E-3	9.93780E-4	-3.38948E-2
M	-5.36951E-3	-9.70506E-4	-1.86245E-3	3.54646E-2	-3.38948E-2	1.25282E0

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

24.554

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 - 70*

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

1088

Unit

Source

[1]

Normalized RMS of residuals

Value

0.591087

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-16.30748

Unit

Source

[2]

Last Observation

Value

2022-09-25.246287

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (4)

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 2022SG1 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	1971-05-02 10:18	> 1 w	0.1231485	0.0239384	0.1311138
EARTH	1988-05-19 20:41	> 1 mo	0.0595088	0.0231346	0.4960533
EARTH	2005-07-09 10:43	> 1 mo	0.1724607	0.1712459	0.0043091
EARTH	2022-09-06 04:42	< 1 min	0.0325932	0.0324771	0.0000387
EARTH	2046-06-02 18:27	> 1 mo	0.1112774	0.0261778	0.2818780
EARTH	2063-09-16 13:07	> 1 mo	0.1626011	0.0277514	0.4926008
EARTH	2070-05-08 17:06	> 1 mo	0.0831990	0.0206725	0.3992657
EARTH	2087-09-08 09:12	> 1 w	0.0626013	0.0267216	0.2850384
EARTH	2094-05-06 20:10	> 1 w	0.1216859	0.0205071	0.3833584
EARTH	2111-09-16 15:07	> 1 w	0.1520818	0.0274377	0.2358948
EARTH	2118-05-13 14:04	> 1 w	0.0548938	0.0197348	0.1069089

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
331.94514553	128.72944078	0.02217012	MINIMUM
27.88116043	240.40871326	0.02752275	MINIMUM
359.94494087	184.64903647	0.17486119	SADDLE
359.89808764	4.54608663	1.82513679	SADDLE
179.97870798	4.64229933	2.70596667	SADDLE
179.97202958	184.63846070	4.70589161	MAXIMUM

Download:

MOID Plots

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