Asteroids

2025SC29 help

Last update: 2025-10-02 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.712

Aphelion (Q)

1.234

Eccentricity (e)

0.268

Inclination (i)

3.7

deg

Orbit period (P)

350.7

Earth MOID

0.01490

U parameter

6.9

Next Earth close approach

Date

2025-10-14

Nominal distance (from Earth center)

0.03823

5718586

Maximum Brightness

21.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

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

0.973311

1-sigma variation

0.000096

Unit

Eccentricity (e)

Value

0.268035

1-sigma variation

0.000350

Unit

Inclination (i)

Value

3.7229

1-sigma variation

0.0060

Unit

Long. of Ascending Node (Ω)

Value

187.8099

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

304.3065

1-sigma variation

0.0246

Unit

Mean Anomaly (M)

Value

315.82264

1-sigma variation

0.04371

Unit

Perihelion distance

Value

0.712429

1-sigma variation

Unit

Aphelion distance

Value

1.234192

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.214644

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.062472

1-sigma variation

Unit

MOID

Value

0.014903

1-sigma variation

Unit

Orbit Period

Value

350.7323

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.25209E-9	1.63438E-8	1.15229E-7	-1.75656E-9	-2.05890E-6	3.71795E-6
e	1.63438E-8	1.22494E-7	2.01337E-6	-9.50084E-8	8.65989E-8	1.28095E-5
i	1.15229E-7	2.01337E-6	3.64836E-5	-1.80886E-6	4.64294E-5	1.66864E-4
Ω	-1.75656E-9	-9.50084E-8	-1.80886E-6	9.28023E-8	-3.27343E-6	-6.82462E-6
ω	-2.05890E-6	8.65989E-8	4.64294E-5	-3.27343E-6	6.06534E-4	-5.79433E-4
M	3.71795E-6	1.28095E-5	1.66864E-4	-6.82462E-6	-5.79433E-4	1.91059E-3

Date of computation: 2025-10-02 13:15 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

26.458

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

14 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.426534

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-30.367209

Unit

Source

[2]

Last Observation

Value

2025-10-02.293726

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2025SC29 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	1950-05-25 00:37	> 1 mo	0.1101404	0.0535730	3.1213590
EARTH	1952-09-03 13:55	> 1 mo	0.1954679	0.0617769	0.7188970
EARTH	1953-10-14 04:05	> 1 w	0.0168461	0.0133319	0.8405414
EARTH	1974-05-28 01:21	> 1 w	0.0971893	0.0542405	0.2027578
EARTH	1975-04-28 17:31	> 1 mo	0.1637001	0.0834734	0.1572277
EARTH	1975-06-12 22:01	> 1 mo	0.1562089	0.0545600	0.1346568
EARTH	1977-09-09 04:27	> 1 mo	0.1849385	0.0948369	0.0340000
EARTH	1978-10-14 07:55	660.6	0.0147974	0.0138320	0.0117516
EARTH	1998-05-29 14:08	156.3	0.1142896	0.0989090	0.0052532
EARTH	1999-06-10 21:39	> 1 d	0.1492951	0.1324838	0.0056528
EARTH	2001-09-12 19:50	> 1 d	0.1758232	0.1582813	0.0058911
EARTH	2002-10-13 18:58	457.2	0.0375882	0.0143892	0.0128661
EARTH	2022-05-24 19:41	77.5	0.0787004	0.0707620	0.0028082
EARTH	2025-10-14 04:59	4.5	0.0382264	0.0380454	0.0000603
EARTH	2045-05-30 21:05	1233.1	0.1438549	0.0837367	0.0215687
EARTH	2046-05-29 00:25	> 1 d	0.1222086	0.0673668	0.0205481
EARTH	2048-09-04 20:29	> 1 w	0.1934213	0.1637511	0.0100516
EARTH	2049-10-14 08:01	249.3	0.0169788	0.0152673	0.0112904
EARTH	2070-05-25 02:00	> 1 w	0.0576368	0.0544145	0.1094408
EARTH	2073-10-06 00:36	> 1 mo	0.1092831	0.0225526	0.3872619
EARTH	2074-10-10 18:50	> 1 w	0.1298129	0.0162058	0.4659693
EARTH	2094-06-01 21:08	> 1 w	0.1860833	0.0561311	0.2769365
EARTH	2095-05-24 12:08	> 1 d	0.0767415	0.0543433	0.1876930
EARTH	2098-10-09 17:02	> 1 w	0.0958421	0.0204665	0.1479337
EARTH	2099-10-10 19:43	> 1 d	0.1400469	0.0161338	0.1279559
EARTH	2120-05-25 02:48	> 1 d	0.0690660	0.0548321	0.3154361
EARTH	2123-10-09 08:12	> 1 mo	0.1035911	0.0220810	0.5422593
EARTH	2124-10-11 10:23	> 1 w	0.1309267	0.0172418	0.6113163

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
263.87620223	280.39351427	0.01490300	MINIMUM
97.10114370	142.42645334	0.05544808	MINIMUM
179.63035536	211.00313218	0.22664958	SADDLE
1.11814809	31.61597002	0.27718773	SADDLE
2.55365644	213.44688571	1.72732467	SADDLE
181.71752022	32.59655883	2.21950579	MAXIMUM

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MOID Plots

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