Asteroids

2025LH help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.939

Aphelion (Q)

3.562

Eccentricity (e)

0.583

Inclination (i)

5.9

deg

Orbit period (P)

1233.3

Earth MOID

0.00165

U parameter

7.3

Next Earth close approach

Date

2052-06-17

Nominal distance (from Earth center)

0.11324

16939917

Maximum Brightness

24.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-06-04

Observatory

ATLAS Chile, Rio Hurtado

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

2.250681

1-sigma variation

0.001485

Unit

Eccentricity (e)

Value

0.582722

1-sigma variation

0.000285

Unit

Inclination (i)

Value

5.9455

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

72.9076

1-sigma variation

4.946E-5

Unit

Arg. of Perihelion (ω)

Value

142.0288

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

116.68290

1-sigma variation

0.11647

Unit

Perihelion distance

Value

0.939160

1-sigma variation

Unit

Aphelion distance

Value

3.562203

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.764629

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.004085

1-sigma variation

Unit

MOID

Value

0.001651

1-sigma variation

Unit

Orbit Period

Value

1233.3020

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.20639E-6	4.24002E-7	3.04223E-6	-7.33422E-8	1.43403E-7	-1.73004E-4
e	4.24002E-7	8.14806E-8	5.84625E-7	-1.40944E-8	2.75330E-8	-3.32461E-5
i	3.04223E-6	5.84625E-7	4.19501E-6	-1.01129E-7	1.97196E-7	-2.38542E-4
Ω	-7.33422E-8	-1.40944E-8	-1.01129E-7	2.44666E-9	-4.63492E-9	5.75075E-6
ω	1.43403E-7	2.75330E-8	1.97196E-7	-4.63492E-9	2.23856E-8	-1.12468E-5
M	-1.73004E-4	-3.32461E-5	-2.38542E-4	5.75075E-6	-1.12468E-5	1.35653E-2

Date of computation: 2026-03-17 23:26 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

26.453

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

14 - 30*

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

345

Unit

Source

[1]

Normalized RMS of residuals

Value

0.646927

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-06-03.211389

Unit

Source

[2]

Last Observation

Value

2025-06-07.24071

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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

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 2025LH 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
EARTH	1982-06-13 14:28	> 1 w	0.0872845	0.0004705	0.2103370
EARTH	1992-03-09 06:46	> 1 w	0.1285689	0.0997999	0.1117614
EARTH	2025-06-03 07:13	< 1 s	0.0041025	0.0040973	0.0000017
EARTH	2052-06-17 19:20	> 1 w	0.1132363	0.0085902	0.1604787
EARTH	2079-06-17 23:25	> 1 w	0.0898505	0.0116823	0.1693102
EARTH	2106-04-01 01:44	> 1 mo	0.1013738	0.1002989	0.0182951

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
19.71545561	150.55023303	0.00110244	MINIMUM
347.24875495	88.19487570	0.09504359	MINIMUM
353.60781814	100.34831914	0.09609114	SADDLE
1.11310999	295.00807532	1.93214888	SADDLE
180.18926988	294.14520447	2.57144406	SADDLE
180.44744481	114.28096205	4.56854871	MAXIMUM

Download:

MOID Plots

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