Asteroids

2024SH1 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.943

Aphelion (Q)

1.238

Eccentricity (e)

0.135

Inclination (i)

1.3

deg

Orbit period (P)

415.9

Earth MOID

0.00493

U parameter

6.4

Next Earth close approach

Date

2032-09-29

Nominal distance (from Earth center)

0.15728

23528519

Maximum Brightness

25.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-09-25

Observatory

Mt. Lemmon Survey

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

1.090505

1-sigma variation

0.000063

Unit

Eccentricity (e)

Value

0.135447

1-sigma variation

0.000082

Unit

Inclination (i)

Value

1.2627

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

188.7424

1-sigma variation

0.0029

Unit

Arg. of Perihelion (ω)

Value

250.3403

1-sigma variation

0.0014

Unit

Mean Anomaly (M)

Value

129.01983

1-sigma variation

0.01225

Unit

Perihelion distance

Value

0.942799

1-sigma variation

Unit

Aphelion distance

Value

1.238211

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.122875

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.023161

1-sigma variation

Unit

MOID

Value

0.004928

1-sigma variation

Unit

Orbit Period

Value

415.9489

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.02912E-9	5.19044E-9	6.60367E-8	1.82155E-7	8.06661E-8	-7.77175E-7
e	5.19044E-9	6.68761E-9	8.51037E-8	2.34727E-7	1.04426E-7	-1.00160E-6
i	6.60367E-8	8.51037E-8	1.08336E-6	2.98752E-6	1.33726E-6	-1.27504E-5
Ω	1.82155E-7	2.34727E-7	2.98752E-6	8.24005E-6	3.67791E-6	-3.51619E-5
ω	8.06661E-8	1.04426E-7	1.33726E-6	3.67791E-6	1.84625E-6	-1.57515E-5
M	-7.77175E-7	-1.00160E-6	-1.27504E-5	-3.51619E-5	-1.57515E-5	1.50068E-4

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

26.763

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 - 26*

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

213

Unit

Source

[1]

Normalized RMS of residuals

Value

0.383618

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-09-25.163832

Unit

Source

[2]

Last Observation

Value

2024-10-08.168851

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

40 (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 2024SH1 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	1954-10-08 11:49	84.0	0.0689501	0.0660570	0.0009646
EARTH	1955-04-25 12:09	1097.9	0.1755147	0.1747224	0.0002641
EARTH	1963-09-10 10:50	> 1 w	0.1172081	0.0989073	0.0061233
EARTH	1964-01-02 13:38	> 1 w	0.0452469	0.0374373	0.0026991
EARTH	1972-07-27 05:11	> 1 d	0.1790716	0.1774020	0.0005566
EARTH	1973-02-14 10:19	43.4	0.0785975	0.0744290	0.0013912
EARTH	1989-10-06 11:59	1188.9	0.0822012	0.0399246	0.0141043
EARTH	1990-04-28 05:08	> 1 w	0.1797196	0.1671673	0.0042068
EARTH	1998-11-18 08:20	> 1 d	0.0428493	0.0381614	0.0015666
EARTH	1999-03-15 15:49	> 1 d	0.1158846	0.1070170	0.0029737
EARTH	2007-07-21 17:59	> 1 w	0.1876285	0.1802975	0.0024438
EARTH	2008-02-16 03:39	650.1	0.1063147	0.0781534	0.0094387
EARTH	2024-10-20 18:14	< 1 min	0.0164026	0.0163665	0.0000120
EARTH	2025-03-22 22:32	68.4	0.1379798	0.1376698	0.0001033
EARTH	2032-09-29 02:24	249.4	0.1572784	0.1441666	0.0043707
EARTH	2049-07-19 08:29	> 1 w	0.1950515	0.1875169	0.0025117
EARTH	2050-02-12 18:57	597.4	0.1250406	0.0980471	0.0090222
EARTH	2057-09-01 01:42	> 1 w	0.1291358	0.1188339	0.0034409
EARTH	2058-01-14 07:15	> 1 d	0.0337013	0.0257691	0.0028418
EARTH	2065-09-30 09:10	778.5	0.1188575	0.0901599	0.0095662
EARTH	2066-04-27 03:49	> 1 w	0.1922920	0.1845716	0.0025867
EARTH	2082-08-29 03:44	> 1 mo	0.1299551	0.0843917	0.0153662
EARTH	2083-01-14 08:33	> 1 w	0.0340830	0.0177175	0.0145117
EARTH	2099-08-10 05:01	> 1 mo	0.1562231	0.0508300	0.0361138
EARTH	2100-02-02 00:35	> 1 w	0.0233821	0.0179805	0.0490599
EARTH	2107-09-15 16:11	> 1 mo	0.1140759	0.0841367	0.0101176
EARTH	2107-12-29 08:53	> 1 w	0.0423932	0.0358268	0.0043955
EARTH	2115-10-12 01:52	> 1 w	0.0116340	0.0089574	0.0437246
EARTH	2116-04-09 13:14	> 1 mo	0.1538655	0.0871705	0.0224807
EARTH	2124-10-09 14:10	> 1 w	0.0178312	0.0070936	0.1758572
EARTH	2125-04-21 03:27	> 1 mo	0.1582342	0.0391561	0.0685292

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
307.75379471	276.89637867	0.00486566	MINIMUM
46.32108842	26.50125979	0.01929834	MINIMUM
358.42640485	333.29975430	0.04812629	SADDLE
177.71042109	152.29769483	0.22458312	SADDLE
356.42880789	151.05779978	1.95443359	SADDLE
177.37795894	332.01489264	2.22121563	MAXIMUM

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MOID Plots

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