Asteroids

2024SM3 help

Last update: 2025-04-09 08:00 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.753

Aphelion (Q)

1.033

Eccentricity (e)

0.156

Inclination (i)

25.6

deg

Orbit period (P)

308.3

Earth MOID

0.02796

U parameter

6.4

Next Earth close approach

Date

2035-09-26

Nominal distance (from Earth center)

0.14832

22187916

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-09-24

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

0.893196

1-sigma variation

0.000039

Unit

Eccentricity (e)

Value

0.156425

1-sigma variation

0.000023

Unit

Inclination (i)

Value

25.5784

1-sigma variation

0.0199

Unit

Long. of Ascending Node (Ω)

Value

181.5356

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

8.4218

1-sigma variation

0.0115

Unit

Mean Anomaly (M)

Value

69.42831

1-sigma variation

0.03226

Unit

Perihelion distance

Value

0.753478

1-sigma variation

Unit

Aphelion distance

Value

1.032914

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.242106

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.028107

1-sigma variation

Unit

MOID

Value

0.027964

1-sigma variation

Unit

Orbit Period

Value

308.3320

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.54013E-9	-8.82292E-10	7.79057E-7	2.34926E-8	4.50674E-7	-1.26494E-6
e	-8.82292E-10	5.08601E-10	-4.43688E-7	-1.33819E-8	-2.58689E-7	7.25284E-7
i	7.79057E-7	-4.43688E-7	3.96296E-4	1.19482E-5	2.27320E-4	-6.39021E-4
Ω	2.34926E-8	-1.33819E-8	1.19482E-5	3.60245E-7	6.85641E-6	-1.92718E-5
ω	4.50674E-7	-2.58689E-7	2.27320E-4	6.85641E-6	1.32814E-4	-3.71411E-4
M	-1.26494E-6	7.25284E-7	-6.39021E-4	-1.92718E-5	-3.71411E-4	1.04062E-3

Date of computation: 2025-04-09 08:00 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

25.597

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

20 - 50*

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

238

Unit

Source

[1]

Normalized RMS of residuals

Value

0.693191

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-09-24.39144

Unit

Source

[2]

Last Observation

Value

2024-09-28.17976

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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 2024SM3 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	1959-09-26 11:21	103.3	0.1949439	0.1702678	0.0082662
EARTH	1964-09-23 12:47	23.8	0.1716063	0.1382827	0.0111977
EARTH	1975-09-24 12:44	107.0	0.0461343	0.0287733	0.0119931
EARTH	1986-09-24 19:22	127.5	0.0492881	0.0297478	0.0088928
VENUS	1991-05-26 00:46	336.2	0.0343833	0.0332149	0.0022225
EARTH	1997-09-25 11:16	86.1	0.1363424	0.1154578	0.0070213
EARTH	2013-09-23 21:33	16.4	0.1081681	0.0968775	0.0037881
EARTH	2024-09-24 04:40	< 1 min	0.0309523	0.0308848	0.0000225
VENUS	2034-06-18 17:14	174.5	0.0380444	0.0330829	0.0023937
EARTH	2035-09-26 04:41	63.6	0.1483171	0.1360803	0.0040971
EARTH	2051-09-24 11:58	26.9	0.0933951	0.0650968	0.0097243
EARTH	2062-09-24 23:06	109.7	0.0476765	0.0299572	0.0077441
EARTH	2073-09-26 06:10	76.6	0.1920121	0.1788872	0.0043863
VENUS	2077-07-10 14:07	99.1	0.0389841	0.0348609	0.0015844
EARTH	2078-09-24 07:23	16.9	0.1709066	0.1664205	0.0014966
EARTH	2089-09-24 11:29	39.6	0.0275554	0.0274008	0.0004306
EARTH	2100-09-26 16:24	253.9	0.1613787	0.1054526	0.0190418
EARTH	2105-09-25 04:43	105.4	0.1975787	0.1248514	0.0246579
VENUS	2107-01-22 13:48	1322.4	0.0454316	0.0322133	0.0240740
EARTH	2116-09-25 00:24	178.0	0.0602068	0.0295137	0.0285885

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
169.72965177	255.95018794	0.02781033	MINIMUM
349.86989253	71.09526533	0.23913808	MINIMUM
270.03709145	345.07194511	0.42438432	SADDLE
70.50291244	162.37883887	0.44314126	SADDLE
28.28276741	292.58600817	1.74449249	SADDLE
180.28312083	84.11560441	2.02900648	MAXIMUM

Download:

MOID Plots

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