Asteroids

2025LN help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.949

Aphelion (Q)

2.258

Eccentricity (e)

0.408

Inclination (i)

5.1

deg

Orbit period (P)

741.8

Earth MOID

0.00024

U parameter

6.7

Next Earth close approach

Date

2027-07-30

Nominal distance (from Earth center)

0.09045

13531387

Maximum Brightness

29.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.9

mag

Diameter

4 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-06-05

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

1.603743

1-sigma variation

0.000257

Unit

Eccentricity (e)

Value

0.407989

1-sigma variation

0.000100

Unit

Inclination (i)

Value

5.1088

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

77.4203

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

218.7883

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

161.99084

1-sigma variation

0.03785

Unit

Perihelion distance

Value

0.949433

1-sigma variation

Unit

Aphelion distance

Value

2.258053

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.974393

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.000591

1-sigma variation

Unit

MOID

Value

0.000238

1-sigma variation

Unit

Orbit Period

Value

741.8235

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.62128E-8	2.56234E-8	1.72214E-7	1.43328E-8	-3.08329E-7	-9.73927E-6
e	2.56234E-8	9.91606E-9	6.66595E-8	5.53563E-9	-1.19238E-7	-3.76898E-6
i	1.72214E-7	6.66595E-8	4.49366E-7	3.62367E-8	-7.94705E-7	-2.53331E-5
Ω	1.43328E-8	5.53563E-9	3.62367E-8	3.87799E-9	-7.20236E-8	-2.10673E-6
ω	-3.08329E-7	-1.19238E-7	-7.94705E-7	-7.20236E-8	1.47434E-6	4.53412E-5
M	-9.73927E-6	-3.76898E-6	-2.53331E-5	-2.10673E-6	4.53412E-5	1.43256E-3

Date of computation: 2026-06-04 23:11 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

28.915

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

4 - 10*

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

374

Unit

Source

[1]

Normalized RMS of residuals

Value

0.768894

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-06-05.180683

Unit

Source

[2]

Last Observation

Value

2025-06-07.073546

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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 2025LN 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	1963-08-28 10:26	> 1 mo	0.0937635	0.0803461	0.1445986
EARTH	1978-07-10 22:23	> 1 mo	0.0753261	0.0528098	0.0468178
EARTH	1993-06-02 01:59	> 1 d	0.0360410	0.0016844	0.0331997
EARTH	2010-09-03 13:05	> 1 d	0.1229323	0.0876982	0.0151057
EARTH	2025-06-07 17:30	< 1 min	0.0016500	0.0016490	0.0000003
EARTH	2027-07-30 08:39	> 1 d	0.0904517	0.0903172	0.0000704
EARTH	2029-09-07 07:27	763.5	0.1267318	0.1149513	0.0041443
EARTH	2086-05-27 03:26	> 1 d	0.1043279	0.0038482	0.0711708
EARTH	2088-06-24 15:53	> 1 w	0.0566489	0.0095357	0.0389072
EARTH	2090-08-23 15:20	> 1 w	0.0864287	0.0864068	0.0007296

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
333.82490079	155.00465897	0.00114654	MINIMUM
21.83896706	228.70393098	0.08665607	MINIMUM
7.44352053	206.69115021	0.09153089	SADDLE
180.13933380	14.73910725	1.27643142	SADDLE
359.67648022	14.51846634	1.93232981	SADDLE
179.59783654	194.38731327	3.27433085	MAXIMUM

Download:

MOID Plots

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