Asteroids

2025CL3 help

Last update: 2026-09-14 21:45 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.677

Aphelion (Q)

1.591

Eccentricity (e)

0.403

Inclination (i)

4.8

deg

Orbit period (P)

441.2

Earth MOID

0.00086

U parameter

2.6

Next Earth close approach

Date

2048-02-13

Nominal distance (from Earth center)

0.02945

4405448

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-07

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

1.134260

1-sigma variation

2.458E-7

Unit

Eccentricity (e)

Value

0.402806

1-sigma variation

0.000001

Unit

Inclination (i)

Value

4.8194

1-sigma variation

8.997E-6

Unit

Long. of Ascending Node (Ω)

Value

337.9157

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

260.9435

1-sigma variation

2.009E-5

Unit

Mean Anomaly (M)

Value

342.99885

1-sigma variation

0.00009

Unit

Perihelion distance

Value

0.677373

1-sigma variation

Unit

Aphelion distance

Value

1.591147

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.004559

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.096451

1-sigma variation

Unit

MOID

Value

0.000858

1-sigma variation

Unit

Orbit Period

Value

441.2321

1-sigma variation

Unit

U parameter

Value

2.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.03989E-14	1.69353E-13	-1.53360E-12	1.34355E-11	-1.29878E-12	-2.30604E-11
e	1.69353E-13	4.74987E-13	-4.28209E-12	3.77546E-11	-3.68613E-12	-6.46876E-11
i	-1.53360E-12	-4.28209E-12	8.09544E-11	-3.46828E-10	5.95349E-11	5.66138E-10
Ω	1.34355E-11	3.77546E-11	-3.46828E-10	3.48623E-9	-7.01297E-10	-5.20368E-9
ω	-1.29878E-12	-3.68613E-12	5.95349E-11	-7.01297E-10	4.03483E-10	5.28652E-10
M	-2.30604E-11	-6.46876E-11	5.66138E-10	-5.20368E-9	5.28652E-10	8.84105E-9

Date of computation: 2026-09-14 21:45 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

25.41

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

22 - 50*

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

583

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.549219

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-07.270964

Unit

Source

[2]

Last Observation

Value

2026-09-13.561123

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

39 (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

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 2025CL3 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
VENUS	1956-06-30 10:31	4.8	0.0327207	0.0327171	0.0000012
EARTH	1961-02-09 11:48	5.8	0.0703477	0.0701047	0.0000810
EARTH	1962-08-28 07:33	6.6	0.0515078	0.0512390	0.0000896
EARTH	1967-02-26 16:02	13.3	0.1732780	0.1730526	0.0000751
EARTH	1968-09-07 12:05	4.1	0.1771510	0.1769507	0.0000667
EARTH	1990-02-06 19:56	2.3	0.1344119	0.1343099	0.0000340
EARTH	1991-08-24 19:35	3.1	0.1198752	0.1197547	0.0000402
EARTH	1996-02-18 06:22	4.2	0.0904707	0.0903294	0.0000471
EARTH	1997-09-04 00:08	3.1	0.0914902	0.0913372	0.0000510
VENUS	2022-12-04 11:47	1.7	0.0451353	0.0451216	0.0000046
EARTH	2025-02-13 13:34	< 1 s	0.0238072	0.0238069	0.0000001
EARTH	2026-09-01 05:58	< 1 min	0.0258720	0.0258718	0.0000001
EARTH	2048-02-13 00:12	3.1	0.0294486	0.0293484	0.0000334
EARTH	2049-08-30 23:14	2.9	0.0030029	0.0028861	0.0000389
EARTH	2054-02-02 20:46	355.4	0.1831440	0.1670565	0.0053669
VENUS	2054-04-26 06:16	924.6	0.0319211	0.0310521	0.0014651
EARTH	2073-02-18 20:49	> 1 d	0.1323344	0.0252274	0.0513404
EARTH	2074-09-01 02:02	> 1 d	0.0135983	0.0002928	0.0511742
EARTH	2079-02-09 22:07	> 1 w	0.0537473	0.0213362	0.3060681
EARTH	2080-08-23 16:26	> 1 w	0.1381589	0.0032749	0.4093644
EARTH	2111-09-08 03:20	> 1 mo	0.1334595	0.0015051	0.8002189
EARTH	2116-02-17 05:42	> 1 w	0.0706498	0.0213421	0.5122958
EARTH	2117-08-31 16:44	> 1 w	0.0151647	0.0010807	0.3979778
EARTH	2122-02-05 17:11	> 1 mo	0.1549639	0.0217856	2.2279841

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
74.24556431	233.69937240	0.00085810	MINIMUM
289.30043343	39.10945985	0.02019984	MINIMUM
2.50190508	137.30299708	0.34177804	SADDLE
181.14750305	315.59468568	0.61178852	SADDLE
2.22530915	316.89383154	1.66415591	SADDLE
180.91861514	135.45589954	2.60088885	MAXIMUM

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MOID Plots

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