Asteroids

2022SO11 help

Last update: 2023-12-08 19:34 UTC

Orbital Properties

Epoch

60200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.848

Aphelion (Q)

2.953

Eccentricity (e)

0.554

Inclination (i)

2.3

deg

Orbit period (P)

957.2

Earth MOID

0.00136

U parameter

6.9

Next Earth close approach

Date

2036-01-30

Nominal distance (from Earth center)

0.12082

18074243

Maximum Brightness

24.9

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

15*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-25

Observatory

Pan-STARRS 2, Haleakala

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.900769

1-sigma variation

0.000549

Unit

Eccentricity (e)

Value

0.553811

1-sigma variation

0.000141

Unit

Inclination (i)

Value

2.3473

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

13.9182

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

53.0763

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

114.19996

1-sigma variation

0.04844

Unit

Perihelion distance

Value

0.848102

1-sigma variation

Unit

Aphelion distance

Value

2.953437

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.010710

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.972955

1-sigma variation

Unit

MOID

Value

0.001360

1-sigma variation

Unit

Orbit Period

Value

957.1777

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.01807E-7	7.76090E-8	2.45764E-7	1.04918E-7	-2.09626E-7	-2.66093E-5
e	7.76090E-8	1.99570E-8	6.31979E-8	2.69774E-8	-5.38981E-8	-6.84252E-6
i	2.45764E-7	6.31979E-8	2.00163E-7	8.53093E-8	-1.70458E-7	-2.16682E-5
Ω	1.04918E-7	2.69774E-8	8.53093E-8	3.69556E-8	-7.38616E-8	-9.25017E-6
ω	-2.09626E-7	-5.38981E-8	-1.70458E-7	-7.38616E-8	1.48464E-7	1.84818E-5
M	-2.66093E-5	-6.84252E-6	-2.16682E-5	-9.25017E-6	1.84818E-5	2.34605E-3

Date of computation: 2023-12-05 12:52 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

26.865

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

15*

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

[-]

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Sources

No.	Name	Additional
[1]	ESA ODIM	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

431

Unit

Source

[1]

Normalized RMS of residuals

Value

0.469477

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-25.390006

Unit

Source

[2]

Last Observation

Value

2022-10-03.587915

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

47 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2022SO11 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1962-01-16 10:03	695.1	0.0412282	0.0395633	0.0010633
EARTH	1969-11-02 21:56	> 1 d	0.1166537	0.0989503	0.0059193
EARTH	1977-09-21 06:48	> 1 d	0.1571365	0.0906860	0.0221555
EARTH	2007-01-26 09:46	> 1 d	0.0824572	0.0389331	0.0347452
EARTH	2014-12-05 22:23	> 1 d	0.1371314	0.1288527	0.0028357
MARS	2017-11-23 19:53	998.8	0.0400871	0.0228129	0.0087089
EARTH	2022-10-04 18:33	< 1 s	0.0073267	0.0073216	0.0000017
EARTH	2036-01-30 13:22	> 1 d	0.1208188	0.0388441	0.0369899
EARTH	2043-09-22 03:54	> 1 d	0.1659954	0.0146773	0.0505297
EARTH	2057-01-17 13:49	> 1 d	0.0416603	0.0385054	0.0184379
MARS	2061-12-14 12:07	> 1 d	0.0085464	0.0070178	0.0529510
EARTH	2077-12-11 16:58	> 1 mo	0.1371163	0.0698063	0.1184252
EARTH	2098-10-23 23:20	> 1 mo	0.0905853	0.0048914	0.6686741
EARTH	2119-10-09 12:56	> 1 mo	0.0140879	0.0005553	0.3854791

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2022SO11

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS	TS
2095-10-06.326	86521.326	3.177	0.000	0.18 ± 0.006	1.52E6	4.54E-9	5.27E-10	-9.44	0


Based on 47 optical observations (of which 0 are rejected as outliers) from 2022/09/25.390 to 2022/10/03.588.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.35 and 1.35 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20221004 173318.644 UTC.

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