Asteroids

2025KL2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.615

Aphelion (Q)

2.228

Eccentricity (e)

0.567

Inclination (i)

17.6

deg

Orbit period (P)

619.2

Earth MOID

0.02905

U parameter

9.0

Next Earth close approach

Date

2040-12-14

Nominal distance (from Earth center)

0.17379

25999332

Maximum Brightness

24.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-23

Observatory

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.421806

1-sigma variation

0.008917

Unit

Eccentricity (e)

Value

0.567110

1-sigma variation

0.003596

Unit

Inclination (i)

Value

17.5931

1-sigma variation

0.1197

Unit

Long. of Ascending Node (Ω)

Value

63.8854

1-sigma variation

0.0041

Unit

Arg. of Perihelion (ω)

Value

281.0947

1-sigma variation

0.0575

Unit

Mean Anomaly (M)

Value

68.46975

1-sigma variation

0.54209

Unit

Perihelion distance

Value

0.615485

1-sigma variation

Unit

Aphelion distance

Value

2.228127

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.117445

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.068320

1-sigma variation

Unit

MOID

Value

0.029051

1-sigma variation

Unit

Orbit Period

Value

619.2401

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.95060E-5	3.20683E-5	1.06721E-3	-3.61385E-5	-5.12830E-4	-4.83357E-3
e	3.20683E-5	1.29346E-5	4.30456E-4	-1.45765E-5	-2.06844E-4	-1.94960E-3
i	1.06721E-3	4.30456E-4	1.43258E-2	-4.85129E-4	-6.88307E-3	-6.48810E-2
Ω	-3.61385E-5	-1.45765E-5	-4.85129E-4	1.64288E-5	2.33065E-4	2.19705E-3
ω	-5.12830E-4	-2.06844E-4	-6.88307E-3	2.33065E-4	3.30844E-3	3.11775E-2
M	-4.83357E-3	-1.94960E-3	-6.48810E-2	2.19705E-3	3.11775E-2	2.93857E-1

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

25.325

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

23 - 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

Unit

Source

[1]

Unobserved

Value

171

Unit

Source

[1]

Normalized RMS of residuals

Value

0.648923

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-23.326616

Unit

Source

[2]

Last Observation

Value

2025-05-28.248935

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (2)

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 2025KL2 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	1957-12-10 18:40	> 1 mo	0.1093233	0.0585712	3.0182113
EARTH	1964-06-06 07:52	> 1 mo	0.1591364	0.0216184	3.6911261
EARTH	1996-11-25 05:12	> 1 mo	0.1654454	0.0673765	1.3633166
EARTH	2003-05-25 17:19	> 1 mo	0.1062663	0.0269964	1.1193267
EARTH	2018-12-03 16:45	> 1 w	0.0728136	0.0601220	0.2302906
EARTH	2025-05-31 07:26	< 1 min	0.0388538	0.0381211	0.0002442
EARTH	2040-12-14 09:52	> 1 mo	0.1737948	0.0652609	0.8036380
EARTH	2057-11-25 20:54	> 1 mo	0.1637702	0.0706496	1.3478590
EARTH	2064-05-26 16:25	> 1 mo	0.0795617	0.0314624	1.5709769
EARTH	2079-12-05 13:34	> 1 mo	0.0654149	0.0628882	0.4127999
EARTH	2086-06-01 05:13	> 1 mo	0.0481097	0.0326875	1.2819624
EARTH	2101-12-13 04:11	> 1 mo	0.1274241	0.0658209	1.7230250
EARTH	2108-06-08 14:11	> 1 mo	0.1778988	0.0282953	2.7855092
EARTH	2125-05-26 07:25	> 1 mo	0.1210081	0.0344813	3.2427869

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
299.33738727	145.89334183	0.02979169	MINIMUM
54.77020805	331.90435717	0.05998070	MINIMUM
356.10344142	236.87894972	0.45991883	SADDLE
178.41675046	62.03384037	1.31291504	SADDLE
357.44932857	59.57539843	1.58997649	SADDLE
179.91250316	242.84743582	3.20271046	MAXIMUM

Download:

MOID Plots

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