Asteroids

2025OC6 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.010

Aphelion (Q)

1.097

Eccentricity (e)

0.041

Inclination (i)

7.7

deg

Orbit period (P)

394.9

Earth MOID

0.01504

U parameter

6.4

Next Earth close approach

Date

2038-08-01

Nominal distance (from Earth center)

0.11998

17948549

Maximum Brightness

26.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.1

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-07-29

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

1.053356

1-sigma variation

0.000061

Unit

Eccentricity (e)

Value

0.041174

1-sigma variation

0.000037

Unit

Inclination (i)

Value

7.7432

1-sigma variation

0.0062

Unit

Long. of Ascending Node (Ω)

Value

129.3756

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

241.6508

1-sigma variation

0.0414

Unit

Mean Anomaly (M)

Value

43.99769

1-sigma variation

0.03404

Unit

Perihelion distance

Value

1.009985

1-sigma variation

Unit

Aphelion distance

Value

1.096728

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.087018

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.015353

1-sigma variation

Unit

MOID

Value

0.015042

1-sigma variation

Unit

Orbit Period

Value

394.8766

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.72268E-9	2.25649E-9	3.78297E-7	3.54263E-8	-2.52009E-6	2.07178E-6
e	2.25649E-9	1.37774E-9	2.29694E-7	2.14828E-8	-1.51858E-6	1.24817E-6
i	3.78297E-7	2.29694E-7	3.84706E-5	3.60118E-6	-2.55700E-4	2.10196E-4
Ω	3.54263E-8	2.14828E-8	3.60118E-6	3.37336E-7	-2.39701E-5	1.97051E-5
ω	-2.52009E-6	-1.51858E-6	-2.55700E-4	-2.39701E-5	1.71416E-3	-1.40949E-3
M	2.07178E-6	1.24817E-6	2.10196E-4	1.97051E-5	-1.40949E-3	1.15897E-3

Date of computation: 2025-11-24 16:53 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

28.144

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

6 - 14*

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

167

Unit

Source

[1]

Normalized RMS of residuals

Value

0.67706

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-28.319016

Unit

Source

[2]

Last Observation

Value

2025-08-01.97256

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (2)

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 2025OC6 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1958-08-05 05:35	163.5	0.0676383	0.0290048	0.0133059
EARTH	1971-08-03 13:31	187.5	0.0372787	0.0238420	0.0047238
EARTH	1972-01-07 13:54	1373.1	0.0992405	0.0959669	0.0013520
EARTH	1985-08-04 02:13	307.8	0.0963617	0.0157172	0.0346314
EARTH	1998-07-31 10:13	474.3	0.1456982	0.0861224	0.0199098
EARTH	1999-01-29 02:17	> 1 d	0.0864196	0.0845675	0.0036508
EARTH	2012-08-03 15:44	86.1	0.0392090	0.0222399	0.0061332
EARTH	2012-12-16 13:53	> 1 d	0.1390109	0.1291202	0.0036580
EARTH	2025-08-03 04:32	< 1 min	0.0160870	0.0160489	0.0000127
EARTH	2025-12-31 03:57	32.8	0.1103187	0.1099037	0.0001384
EARTH	2038-08-01 00:24	174.1	0.1199786	0.0996893	0.0067747
EARTH	2039-01-24 20:52	> 1 d	0.0845137	0.0839202	0.0007374
EARTH	2052-03-17 04:04	> 1 d	0.1549326	0.1468169	0.0032159
EARTH	2052-07-28 19:50	431.7	0.1750185	0.1469128	0.0093921
EARTH	2065-08-02 23:05	69.3	0.0186364	0.0162651	0.0024994
EARTH	2065-12-27 19:54	> 1 d	0.1149926	0.1009227	0.0053671
EARTH	2078-08-02 02:14	> 1 d	0.1189819	0.0193904	0.0897584
EARTH	2091-02-11 22:34	> 1 mo	0.1139594	0.1029941	0.0297912
EARTH	2103-08-03 06:51	547.7	0.0502482	0.0155858	0.0225149
EARTH	2104-01-11 15:24	> 1 d	0.0903905	0.0885400	0.0043415
EARTH	2116-08-01 22:23	> 1 d	0.0800667	0.0168593	0.1084945
EARTH	2117-01-17 18:32	> 1 mo	0.0830870	0.0829510	0.0055629

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
301.59145244	209.75054660	0.01504241	MINIMUM
106.91779519	18.66974224	0.08443773	MINIMUM
29.96090387	301.74242989	0.13745159	SADDLE
200.96454103	108.91513296	0.16520706	SADDLE
343.41673890	73.12388836	2.00511414	SADDLE
153.50120082	243.18380211	2.09894310	MAXIMUM

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MOID Plots

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