Asteroids

2022SD25 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.988

Aphelion (Q)

4.489

Eccentricity (e)

0.639

Inclination (i)

1.1

deg

Orbit period (P)

1655.3

Earth MOID

0.00227

U parameter

7.5

Next Earth close approach

Date

2081-11-02

Nominal distance (from Earth center)

0.01605

2400375

Maximum Brightness

18.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-28

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

2.738506

1-sigma variation

0.003189

Unit

Eccentricity (e)

Value

0.639079

1-sigma variation

0.000419

Unit

Inclination (i)

Value

1.1341

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

212.5029

1-sigma variation

0.0036

Unit

Arg. of Perihelion (ω)

Value

178.7198

1-sigma variation

0.0038

Unit

Mean Anomaly (M)

Value

245.49457

1-sigma variation

0.42803

Unit

Perihelion distance

Value

0.988385

1-sigma variation

Unit

Aphelion distance

Value

4.488628

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

3.479430

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.005811

1-sigma variation

Unit

MOID

Value

0.002273

1-sigma variation

Unit

Orbit Period

Value

1655.2709

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.01676E-5	1.33759E-6	1.70288E-6	8.29219E-6	-7.05360E-6	-1.36485E-3
e	1.33759E-6	1.75968E-7	2.24085E-7	1.08932E-6	-9.25952E-7	-1.79553E-4
i	1.70288E-6	2.24085E-7	2.94689E-7	1.14885E-6	-8.85502E-7	-2.28597E-4
Ω	8.29219E-6	1.08932E-6	1.14885E-6	1.28392E-5	-1.32347E-5	-1.11288E-3
ω	-7.05360E-6	-9.25952E-7	-8.85502E-7	-1.32347E-5	1.41673E-5	9.46550E-4
M	-1.36485E-3	-1.79553E-4	-2.28597E-4	-1.11288E-3	9.46550E-4	1.83212E-1

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

26.708

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

12 - 27*

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

1113

Unit

Source

[1]

Normalized RMS of residuals

Value

0.753084

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-28.291968

Unit

Source

[2]

Last Observation

Value

2022-09-30.864531

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (1)

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 2022SD25 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	1958-10-09 06:30	> 1 w	0.0030707	0.0000000	0.0383249
EARTH	1981-10-20 16:12	> 1 mo	0.0019764	0.0003065	0.0290741
EARTH	2022-10-01 17:58	< 1 min	0.0200515	0.0200172	0.0000115
EARTH	2081-11-02 15:57	> 1 mo	0.0160455	0.0016872	0.1888921

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
3.79251580	297.89325087	0.00237509	MINIMUM
354.34026563	277.89170211	0.00474988	MINIMUM
358.62426626	286.96210014	0.00700701	SADDLE
358.90768189	107.57188992	1.99283319	SADDLE
179.76101102	108.68178948	3.48357938	SADDLE
179.76382618	288.68518093	5.48329066	MAXIMUM

Download:

MOID Plots

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