Asteroids

2025CQ help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.738

Aphelion (Q)

3.052

Eccentricity (e)

0.610

Inclination (i)

5.4

deg

Orbit period (P)

952.9

Earth MOID

0.00083

U parameter

7.4

Next Earth close approach

Date

2064-06-25

Nominal distance (from Earth center)

0.11865

17749875

Maximum Brightness

23.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-02

Observatory

University of Arizona 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.895070

1-sigma variation

0.001222

Unit

Eccentricity (e)

Value

0.610423

1-sigma variation

0.000289

Unit

Inclination (i)

Value

5.4456

1-sigma variation

0.0021

Unit

Long. of Ascending Node (Ω)

Value

318.1919

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

249.8015

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

167.86600

1-sigma variation

0.15968

Unit

Perihelion distance

Value

0.738275

1-sigma variation

Unit

Aphelion distance

Value

3.051865

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.492564

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.004292

1-sigma variation

Unit

MOID

Value

0.000829

1-sigma variation

Unit

Orbit Period

Value

952.8757

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.49431E-6	3.53620E-7	2.55616E-6	4.89264E-7	-2.59764E-7	-1.95198E-4
e	3.53620E-7	8.36830E-8	6.04921E-7	1.15777E-7	-6.12857E-8	-4.61925E-5
i	2.55616E-6	6.04921E-7	4.37365E-6	8.36569E-7	-4.38685E-7	-3.33905E-4
Ω	4.89264E-7	1.15777E-7	8.36569E-7	1.60358E-7	-8.63293E-8	-6.39112E-5
ω	-2.59764E-7	-6.12857E-8	-4.38685E-7	-8.63293E-8	9.54713E-8	3.39276E-5
M	-1.95198E-4	-4.61925E-5	-3.33905E-4	-6.39112E-5	3.39276E-5	2.54982E-2

Date of computation: 2026-06-04 23:11 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

24.447

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

30 - 80*

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

514

Unit

Source

[1]

Normalized RMS of residuals

Value

0.588858

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-02.395583

Unit

Source

[2]

Last Observation

Value

2025-02-05.54932

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

140 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025CQ 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	1962-07-07 05:31	> 1 mo	0.0745857	0.0605947	5.4374718
EARTH	1970-02-05 22:00	> 1 w	0.0055671	0.0054990	0.0161736
EARTH	1996-07-12 15:32	> 1 w	0.1403919	0.0580788	0.1305165
EARTH	2017-06-25 22:35	> 1 d	0.1149855	0.0562794	0.0387467
EARTH	2025-02-05 14:06	< 1 s	0.0150071	0.0149879	0.0000064
EARTH	2064-06-25 07:24	> 1 w	0.1186506	0.0531797	0.1481621
EARTH	2072-01-27 17:45	> 1 w	0.1814027	0.0001185	0.1759714
EARTH	2085-02-20 09:20	> 1 w	0.1285698	0.0022782	0.1341967
EARTH	2111-06-16 08:34	> 1 w	0.1784032	0.0450402	0.1252674
EARTH	2124-07-11 04:37	> 1 w	0.0762251	0.0491559	0.0887321

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
321.76982212	35.78280128	0.00090174	MINIMUM
41.21662713	181.63463103	0.05667655	MINIMUM
2.35805892	110.15015982	0.27877002	SADDLE
1.75271191	288.92032863	1.73227758	SADDLE
180.50363587	287.17172705	2.06212646	SADDLE
180.35209471	107.10020530	4.05466217	MAXIMUM

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MOID Plots

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