Asteroids

2025CL2 help

Last update: 2025-03-19 23:55 UTC

Orbital Properties

Epoch

60800.0

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

0.06589

U parameter

7.7

Next Earth close approach

Date

2040-08-23

Nominal distance (from Earth center)

0.06914

10343156

Maximum Brightness

mag

Risk

Object is not in risk list

Object is in priority 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.465432

1-sigma variation

0.000909

Unit

Eccentricity (e)

Value

0.420872

1-sigma variation

0.000168

Unit

Inclination (i)

Value

40.2815

1-sigma variation

0.0356

Unit

Long. of Ascending Node (Ω)

Value

332.7157

1-sigma variation

0.0094

Unit

Arg. of Perihelion (ω)

Value

47.8540

1-sigma variation

0.0424

Unit

Mean Anomaly (M)

Value

115.02352

1-sigma variation

0.10782

Unit

Perihelion distance

Value

0.848673

1-sigma variation

Unit

Aphelion distance

Value

2.082191

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.069920

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.691067

1-sigma variation

Unit

MOID

Value

0.065890

1-sigma variation

Unit

Orbit Period

Value

647.9582

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.25828E-7	1.48743E-7	3.23303E-5	-8.57111E-6	3.85502E-5	-9.79211E-5
e	1.48743E-7	2.82714E-8	5.75524E-6	-1.52438E-6	6.89054E-6	-1.77785E-5
i	3.23303E-5	5.75524E-6	1.26916E-3	-3.36541E-4	1.51146E-3	-3.82676E-3
Ω	-8.57111E-6	-1.52438E-6	-3.36541E-4	8.92433E-5	-4.00755E-4	1.01438E-3
ω	3.85502E-5	6.89054E-6	1.51146E-3	-4.00755E-4	1.80156E-3	-4.56612E-3
M	-9.79211E-5	-1.77785E-5	-3.82676E-3	1.01438E-3	-4.56612E-3	1.16246E-2

Date of computation: 2025-02-25 14:19 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

21.239

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.337805

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 01:12	> 1 w	0.0661524	0.0651119	0.0334660
EARTH	2001-08-14 02:06	> 1 d	0.1967597	0.0774274	0.1186820
EARTH	2024-09-03 18:19	82.2	0.1912586	0.1889010	0.0007861
EARTH	2040-08-23 05:59	> 1 d	0.0691397	0.0667543	0.0228323
MARS	2055-05-08 20:23	> 1 d	0.0218479	0.0179305	0.0850870
EARTH	2079-09-01 00:32	> 1 w	0.1376165	0.0736284	0.3863024
EARTH	2095-08-20 04:47	> 1 mo	0.1091148	0.0706675	0.4226402
MARS	2117-06-04 21:12	> 1 w	0.0447790	0.0200730	0.3723524

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.92679096	229.68945246	0.06589025	MINIMUM
78.23886090	27.71577003	0.50356521	MINIMUM
30.55598599	326.66771794	0.66117301	SADDLE
201.58597025	104.75890272	1.34151197	SADDLE
11.71826383	111.60855534	1.77518563	SADDLE
169.56231616	263.69845110	3.00863413	MAXIMUM

Download:

MOID Plots

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