Asteroids

2025CL2 help

Last update: 2025-02-22 04:02 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.849

Aphelion (Q)

2.083

Eccentricity (e)

0.421

Inclination (i)

40.3

deg

Orbit period (P)

648.4

Earth MOID

0.06556

U parameter

8.2

Next Earth close approach

Date

2040-08-26

Nominal distance (from Earth center)

0.08028

12009918

Maximum Brightness

22.3

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

1.466070

1-sigma variation

0.001992

Unit

Eccentricity (e)

Value

0.420994

1-sigma variation

0.000334

Unit

Inclination (i)

Value

40.3064

1-sigma variation

0.0803

Unit

Long. of Ascending Node (Ω)

Value

332.7091

1-sigma variation

0.0213

Unit

Arg. of Perihelion (ω)

Value

47.8833

1-sigma variation

0.0937

Unit

Mean Anomaly (M)

Value

114.94747

1-sigma variation

0.23240

Unit

Perihelion distance

Value

0.848863

1-sigma variation

Unit

Aphelion distance

Value

2.083277

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.069573

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.691408

1-sigma variation

Unit

MOID

Value

0.065560

1-sigma variation

Unit

Orbit Period

Value

648.3815

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.96666E-6	6.51659E-7	1.59737E-4	-4.24658E-5	1.86468E-4	-4.62679E-4
e	6.51659E-7	1.11540E-7	2.60199E-5	-6.91036E-6	3.04688E-5	-7.64404E-5
i	1.59737E-4	2.60199E-5	6.44418E-3	-1.71354E-3	7.51697E-3	-1.86104E-2
Ω	-4.24658E-5	-6.91036E-6	-1.71354E-3	4.55650E-4	-1.99863E-3	4.94686E-3
ω	1.86468E-4	3.04688E-5	7.51697E-3	-1.99863E-3	8.77187E-3	-2.17344E-2
M	-4.62679E-4	-7.64404E-5	-1.86104E-2	4.94686E-3	-2.17344E-2	5.40094E-2

Date of computation: 2025-02-19 15:19 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

21.221

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

0.339001

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

2025-02-17.181896

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (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	1953-08-31 10:57	> 1 mo	0.1380506	0.0695475	0.9566361
EARTH	1969-08-24 06:10	> 1 mo	0.0647987	0.0644416	0.0245611
EARTH	1985-08-17 01:28	> 1 w	0.1468092	0.0709012	0.3975105
EARTH	2024-09-03 17:23	192.8	0.1907547	0.1851743	0.0018612
EARTH	2040-08-26 19:50	> 1 w	0.0802813	0.0672897	0.1074620
EARTH	2056-08-20 07:51	> 1 w	0.0962506	0.0680032	0.3075690
MARS	2087-04-30 00:05	> 1 w	0.0198077	0.0185996	0.1823077
EARTH	2111-09-02 17:22	> 1 mo	0.1474004	0.0757533	1.2234606

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.91840684	229.69160983	0.06556011	MINIMUM
78.20873127	27.72305166	0.50381680	MINIMUM
30.53276087	326.66645604	0.66159412	SADDLE
201.57350044	104.76406746	1.34292711	SADDLE
11.72009436	111.63361565	1.77521827	SADDLE
169.55597852	263.70665849	3.00954421	MAXIMUM

Download:

MOID Plots

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