Asteroids

2025SC24 help

Last update: 2025-10-06 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.642

Aphelion (Q)

1.548

Eccentricity (e)

0.414

Inclination (i)

14.0

deg

Orbit period (P)

418.3

Earth MOID

0.00393

U parameter

7.6

Next Earth close approach

Date

2033-10-10

Nominal distance (from Earth center)

0.13132

19645931

Maximum Brightness

23.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

24 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-09-29

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

1.094633

1-sigma variation

0.000366

Unit

Eccentricity (e)

Value

0.413723

1-sigma variation

0.000403

Unit

Inclination (i)

Value

13.9605

1-sigma variation

0.0156

Unit

Long. of Ascending Node (Ω)

Value

192.8062

1-sigma variation

0.0019

Unit

Arg. of Perihelion (ω)

Value

281.9374

1-sigma variation

0.0040

Unit

Mean Anomaly (M)

Value

344.04517

1-sigma variation

0.03162

Unit

Perihelion distance

Value

0.641758

1-sigma variation

Unit

Aphelion distance

Value

1.547509

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.165232

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.007963

1-sigma variation

Unit

MOID

Value

0.003932

1-sigma variation

Unit

Orbit Period

Value

418.3131

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.34100E-7	1.47478E-7	5.71332E-6	-7.04343E-7	-1.45215E-6	1.15792E-5
e	1.47478E-7	1.62236E-7	6.28507E-6	-7.74820E-7	-1.59268E-6	1.27356E-5
i	5.71332E-6	6.28507E-6	2.43487E-4	-3.00172E-5	-6.16977E-5	4.93379E-4
Ω	-7.04343E-7	-7.74820E-7	-3.00172E-5	3.70065E-6	7.60688E-6	-6.08240E-5
ω	-1.45215E-6	-1.59268E-6	-6.16977E-5	7.60688E-6	1.61401E-5	-1.25270E-4
M	1.15792E-5	1.27356E-5	4.93379E-4	-6.08240E-5	-1.25270E-4	9.99865E-4

Date of computation: 2025-10-06 13:00 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

25.247

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

24 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.414221

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-29.245492

Unit

Source

[2]

Last Observation

Value

2025-10-06.104998

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

33 (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 2025SC24 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	1956-10-11 06:11	> 1 mo	0.1654035	0.0090420	6.5824678
EARTH	1971-10-07 15:21	> 1 mo	0.0469989	0.0055254	19.4952401
EARTH	1981-04-29 00:20	> 1 mo	0.1616410	0.0876999	6.1664572
EARTH	1986-10-05 05:27	> 1 mo	0.0083317	0.0046062	0.7936483
EARTH	1996-04-05 00:28	> 1 mo	0.1867265	0.1091630	0.6119855
EARTH	2004-04-24 14:13	> 1 mo	0.1045804	0.0895750	0.2646808
EARTH	2017-10-04 23:50	> 1 d	0.0100710	0.0039772	0.0224701
EARTH	2025-10-06 15:34	< 1 min	0.0302729	0.0301758	0.0000324
EARTH	2033-10-10 12:09	1013.4	0.1313249	0.0580608	0.0244452
EARTH	2043-04-05 16:11	> 1 d	0.1897511	0.1122017	0.0402176
EARTH	2051-04-17 07:00	> 1 d	0.1129309	0.0933363	0.0401762
EARTH	2059-04-24 12:17	> 1 d	0.0978036	0.0918720	0.0347638
EARTH	2067-05-01 05:26	> 1 d	0.1731996	0.0956264	0.1107580
EARTH	2080-09-30 15:25	> 1 w	0.1107822	0.0035376	0.1690421
EARTH	2088-10-04 20:40	> 1 d	0.0133545	0.0022748	0.1477851
EARTH	2096-10-02 04:49	> 1 mo	0.0762960	0.0026613	1.5598240
EARTH	2104-09-29 07:14	> 1 mo	0.1666658	0.0042993	2.6159816
EARTH	2115-05-03 12:41	> 1 mo	0.1827421	0.1002641	2.8993762
EARTH	2123-04-28 05:16	> 1 mo	0.1150321	0.0968328	2.2190057

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
282.26850155	271.70910037	0.00393248	MINIMUM
72.56292544	109.40584312	0.09213590	MINIMUM
357.40921365	9.39672856	0.39147530	SADDLE
177.80639513	192.48116835	0.60837874	SADDLE
359.87973108	193.22628011	1.64827750	SADDLE
180.98712803	14.60489638	2.51456563	MAXIMUM

Download:

MOID Plots

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