Asteroids

2025CL2 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.849

Aphelion (Q)

2.082

Eccentricity (e)

0.421

Inclination (i)

40.3

deg

Orbit period (P)

648.0

Earth MOID

0.06704

U parameter

7.7

Next Earth close approach

Date

2040-08-23

Nominal distance (from Earth center)

0.06913

10342255

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.2

mag

Diameter

150 - 300*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-05

Observatory

Kitt Peak-Bok

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

1.465461

1-sigma variation

0.000909

Unit

Eccentricity (e)

Value

0.420834

1-sigma variation

0.000168

Unit

Inclination (i)

Value

40.2805

1-sigma variation

0.0356

Unit

Long. of Ascending Node (Ω)

Value

332.7135

1-sigma variation

0.0094

Unit

Arg. of Perihelion (ω)

Value

47.8495

1-sigma variation

0.0424

Unit

Mean Anomaly (M)

Value

226.15358

1-sigma variation

0.21113

Unit

Perihelion distance

Value

0.848746

1-sigma variation

Unit

Aphelion distance

Value

2.082176

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.071115

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.690677

1-sigma variation

Unit

MOID

Value

0.067042

1-sigma variation

Unit

Orbit Period

Value

647.9774

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.25602E-7	1.48728E-7	3.23258E-5	-8.56733E-6	3.85433E-5	-1.91805E-4
e	1.48728E-7	2.82732E-8	5.75542E-6	-1.52396E-6	6.89050E-6	-3.46942E-5
i	3.23258E-5	5.75542E-6	1.26915E-3	-3.36439E-4	1.51139E-3	-7.50322E-3
Ω	-8.56733E-6	-1.52396E-6	-3.36439E-4	8.91893E-5	-4.00616E-4	1.98845E-3
ω	3.85433E-5	6.89050E-6	1.51139E-3	-4.00616E-4	1.80141E-3	-8.94952E-3
M	-1.91805E-4	-3.46942E-5	-7.50322E-3	1.98845E-3	-8.94952E-3	4.45740E-2

Date of computation: 2025-09-10 00:30 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

21.202

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

150 - 300*

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

217

Unit

Source

[1]

Normalized RMS of residuals

Value

0.337804

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-05.389366

Unit

Source

[2]

Last Observation

Value

2025-02-22.182039

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (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 2025CL2 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	1985-08-25 01:08	> 1 w	0.0661437	0.0651114	0.0333097
EARTH	2001-08-14 02:04	> 1 d	0.1967906	0.0774311	0.1186839
EARTH	2024-09-03 18:19	82.2	0.1912584	0.1889008	0.0007861
EARTH	2040-08-23 06:01	> 1 d	0.0691337	0.0667540	0.0228046
MARS	2055-05-08 20:25	> 1 d	0.0218258	0.0179305	0.0849168
EARTH	2079-09-01 00:42	> 1 w	0.1377174	0.0736410	0.3869089
EARTH	2095-08-20 04:58	> 1 mo	0.1090043	0.0706585	0.4230793
MARS	2117-06-04 21:19	> 1 w	0.0448763	0.0200734	0.3734261

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.92678322	229.68945775	0.06589006	MINIMUM
78.23884197	27.71577088	0.50356523	MINIMUM
30.55597354	326.66771946	0.66117303	SADDLE
201.58595735	104.75891361	1.34151238	SADDLE
11.71825901	111.60856819	1.77518572	SADDLE
169.56231616	263.69846849	3.00863443	MAXIMUM

Download:

MOID Plots

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