Asteroids

2022SM24 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.981

Aphelion (Q)

1.887

Eccentricity (e)

0.316

Inclination (i)

1.8

deg

Orbit period (P)

627.1

Earth MOID

0.00533

U parameter

7.6

Next Earth close approach

Date

2034-09-30

Nominal distance (from Earth center)

0.13703

20498817

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.3

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-28

Observatory

Pan-STARRS 1, 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

1.433854

1-sigma variation

0.000758

Unit

Eccentricity (e)

Value

0.315865

1-sigma variation

0.000382

Unit

Inclination (i)

Value

1.8192

1-sigma variation

0.0017

Unit

Long. of Ascending Node (Ω)

Value

357.1936

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

322.9640

1-sigma variation

0.0085

Unit

Mean Anomaly (M)

Value

322.79231

1-sigma variation

0.54396

Unit

Perihelion distance

Value

0.980949

1-sigma variation

Unit

Aphelion distance

Value

1.886759

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.026050

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.729717

1-sigma variation

Unit

MOID

Value

0.005334

1-sigma variation

Unit

Orbit Period

Value

627.1274

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.74105E-7	2.89314E-7	1.29384E-6	-8.42802E-7	-1.99176E-6	-4.12153E-4
e	2.89314E-7	1.46139E-7	6.55353E-7	-4.08328E-7	-1.15285E-6	-2.07645E-4
i	1.29384E-6	6.55353E-7	2.94941E-6	-1.73519E-6	-5.94691E-6	-9.28311E-4
Ω	-8.42802E-7	-4.08328E-7	-1.73519E-6	2.04380E-6	-4.24231E-6	6.07739E-4
ω	-1.99176E-6	-1.15285E-6	-5.94691E-6	-4.24231E-6	7.19398E-5	1.40546E-3
M	-4.12153E-4	-2.07645E-4	-9.28311E-4	6.07739E-4	1.40546E-3	2.95897E-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

26.257

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

15 - 30*

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

0.30192

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-28.340587

Unit

Source

[2]

Last Observation

Value

2022-10-03.03229

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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 2022SM24 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	1952-09-16 13:58	> 1 mo	0.0286267	0.0058260	6.8494914
EARTH	1969-09-14 18:27	> 1 mo	0.0182767	0.0061193	0.3014357
EARTH	1981-07-16 13:27	> 1 mo	0.0312784	0.0300955	0.0166477
EARTH	1993-06-19 09:49	> 1 w	0.1489333	0.0321426	0.1135565
EARTH	2022-09-17 14:45	1.8	0.0282814	0.0281920	0.0000298
EARTH	2034-09-30 07:26	> 1 d	0.1370261	0.0012963	0.0586831
MARS	2043-08-30 08:05	> 1 d	0.0220619	0.0218162	0.0083529
EARTH	2065-06-22 09:53	> 1 w	0.1278366	0.0317371	0.2523595
EARTH	2077-07-06 19:15	> 1 mo	0.0363813	0.0298440	0.0937780
MARS	2083-03-02 05:47	> 1 w	0.0318609	0.0218128	0.1327673
MARS	2085-09-02 17:34	> 1 d	0.0492331	0.0455324	0.0686758
EARTH	2089-06-26 04:44	> 1 w	0.0921378	0.0312760	0.2537965

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
19.87802381	246.10847004	0.00558219	MINIMUM
338.46237612	188.52974393	0.02984845	MINIMUM
355.59847623	212.36057530	0.03827632	SADDLE
179.02398747	36.94611846	0.90007193	SADDLE
358.28976056	36.12788920	1.96771740	SADDLE
179.12090500	217.00778019	2.89940896	MAXIMUM

Download:

MOID Plots

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