Asteroids

2024SH2 help

Last update: 2025-04-29 14:17 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.897

Aphelion (Q)

1.913

Eccentricity (e)

0.362

Inclination (i)

9.3

deg

Orbit period (P)

608.1

Earth MOID

0.00899

U parameter

7.7

Next Earth close approach

Date

2029-09-19

Nominal distance (from Earth center)

0.02652

3967154

Maximum Brightness

22.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

10 - 22*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-09-25

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.404650

1-sigma variation

0.000814

Unit

Eccentricity (e)

Value

0.361763

1-sigma variation

0.000435

Unit

Inclination (i)

Value

9.3452

1-sigma variation

0.0086

Unit

Long. of Ascending Node (Ω)

Value

181.4271

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

122.9567

1-sigma variation

0.0039

Unit

Mean Anomaly (M)

Value

158.85782

1-sigma variation

0.14480

Unit

Perihelion distance

Value

0.896500

1-sigma variation

Unit

Aphelion distance

Value

1.912800

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.523340

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.017273

1-sigma variation

Unit

MOID

Value

0.008991

1-sigma variation

Unit

Orbit Period

Value

608.0660

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.63245E-7	3.54271E-7	7.03435E-6	-2.94617E-7	6.25228E-7	-1.17918E-4
e	3.54271E-7	1.89416E-7	3.76012E-6	-1.56830E-7	2.82587E-7	-6.29692E-5
i	7.03435E-6	3.76012E-6	7.46596E-5	-3.11624E-6	5.85876E-6	-1.25038E-3
Ω	-2.94617E-7	-1.56830E-7	-3.11624E-6	1.32599E-7	-4.28600E-7	5.24271E-5
ω	6.25228E-7	2.82587E-7	5.85876E-6	-4.28600E-7	1.49975E-5	-1.15713E-4
M	-1.17918E-4	-6.29692E-5	-1.25038E-3	5.24271E-5	-1.15713E-4	2.09659E-2

Date of computation: 2025-02-19 13:28 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

27.17

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 - 22*

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 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

214

Unit

Source

[1]

Normalized RMS of residuals

Value

0.442849

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-09-25.404573

Unit

Source

[2]

Last Observation

Value

2024-09-27.307022

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

13 (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 2024SH2 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	1966-09-26 08:34	> 1 w	0.0535616	0.0088931	0.1941802
EARTH	1971-09-07 20:51	> 1 mo	0.0964322	0.0041366	0.1912420
EARTH	1976-07-20 02:02	> 1 mo	0.1844939	0.1715564	0.0296530
EARTH	1981-05-24 12:35	> 1 w	0.1495121	0.1473436	0.0292384
EARTH	2019-10-05 09:21	> 1 d	0.1858011	0.1036855	0.0273719
EARTH	2024-09-22 12:56	< 1 min	0.0128523	0.0128144	0.0000126
EARTH	2029-09-19 05:50	> 1 d	0.0265188	0.0083990	0.0246640
EARTH	2034-09-02 02:40	> 1 d	0.1162475	0.1013036	0.0049926
EARTH	2039-07-31 11:31	> 1 w	0.1770938	0.1472536	0.0118073
EARTH	2044-06-16 07:22	> 1 w	0.1780585	0.1574881	0.0217984
EARTH	2049-05-22 02:35	> 1 w	0.1501828	0.1496827	0.0080037
EARTH	2102-10-01 17:53	> 1 w	0.1041117	0.0031864	0.3472328
EARTH	2107-09-23 13:57	> 1 w	0.0073528	0.0069983	0.0772735
EARTH	2112-08-18 18:52	> 1 mo	0.1524680	0.0668876	4.8890461
EARTH	2117-06-13 05:29	> 1 mo	0.1760886	0.1555209	5.8550826
EARTH	2122-05-18 15:48	> 1 mo	0.1785079	0.1526289	13.0044440

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
38.76629526	253.53832311	0.00900544	MINIMUM
315.62562913	135.67214968	0.14969649	MINIMUM
348.62189967	181.89012712	0.18535932	SADDLE
177.81062491	16.90001670	0.94836693	SADDLE
358.33233243	16.39889139	1.87532360	SADDLE
180.20978474	198.53355790	2.92120603	MAXIMUM

Download:

MOID Plots

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