Asteroids

2025GL1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.701

Aphelion (Q)

1.861

Eccentricity (e)

0.453

Inclination (i)

12.1

deg

Orbit period (P)

529.7

Earth MOID

0.01750

U parameter

9.0

Next Earth close approach

Date

2048-10-21

Nominal distance (from Earth center)

0.04625

6918763

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.5

mag

Diameter

50 - 120*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-04-09

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

1.281203

1-sigma variation

0.005290

Unit

Eccentricity (e)

Value

0.452777

1-sigma variation

0.003063

Unit

Inclination (i)

Value

12.1304

1-sigma variation

0.0688

Unit

Long. of Ascending Node (Ω)

Value

34.7519

1-sigma variation

0.0170

Unit

Arg. of Perihelion (ω)

Value

263.1820

1-sigma variation

0.0753

Unit

Mean Anomaly (M)

Value

109.07685

1-sigma variation

0.56164

Unit

Perihelion distance

Value

0.701104

1-sigma variation

Unit

Aphelion distance

Value

1.861302

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.082595

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.040816

1-sigma variation

Unit

MOID

Value

0.017500

1-sigma variation

Unit

Orbit Period

Value

529.6945

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.79866E-5	1.61903E-5	3.61865E-4	8.45923E-5	-3.78059E-4	-2.97121E-3
e	1.61903E-5	9.38454E-6	2.10278E-4	4.81487E-5	-2.15470E-4	-1.71874E-3
i	3.61865E-4	2.10278E-4	4.72684E-3	1.05346E-3	-4.72311E-3	-3.84116E-2
Ω	8.45923E-5	4.81487E-5	1.05346E-3	2.89646E-4	-1.28155E-3	-8.98585E-3
ω	-3.78059E-4	-2.15470E-4	-4.72311E-3	-1.28155E-3	5.67683E-3	4.01575E-2
M	-2.97121E-3	-1.71874E-3	-3.84116E-2	-8.98585E-3	4.01575E-2	3.15441E-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

23.478

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

50 - 120*

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

199

Unit

Source

[1]

Normalized RMS of residuals

Value

0.54636

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-09.366566

Unit

Source

[2]

Last Observation

Value

2025-04-11.43451

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2025GL1 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	1951-04-23 13:45	> 1 mo	0.0471801	0.0197904	4.9204748
EARTH	1974-10-24 20:58	> 1 mo	0.1040139	0.0312746	1.7611503
EARTH	1980-04-22 17:12	> 1 mo	0.0430880	0.0186428	2.9418573
EARTH	1990-10-12 14:23	> 1 mo	0.1493709	0.0283573	2.9516518
EARTH	1996-04-11 01:31	> 1 mo	0.1805476	0.0222893	2.5389178
EARTH	2009-05-05 17:30	> 1 mo	0.1809014	0.0348554	1.1538257
EARTH	2019-10-20 17:23	> 1 w	0.0327997	0.0324117	0.0007969
EARTH	2025-04-18 13:24	2.2	0.0445304	0.0437066	0.0002746
EARTH	2048-10-21 19:49	> 1 mo	0.0462491	0.0309686	0.6173728
EARTH	2054-04-21 05:01	> 1 mo	0.0157082	0.0154222	0.1575084
EARTH	2077-10-24 04:51	> 1 mo	0.0816117	0.0292292	19.3592784
EARTH	2083-04-22 22:20	> 1 mo	0.0240359	0.0142910	16.2168672
EARTH	2093-10-15 04:17	> 1 mo	0.1099161	0.0341783	4.3470639
EARTH	2099-04-15 10:08	> 1 mo	0.1235543	0.0153435	16.2135951
EARTH	2122-10-28 09:47	> 1 mo	0.1401901	0.0265705	55.6968957

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
299.23899840	107.50645085	0.01704169	MINIMUM
61.97006699	285.50346887	0.03228337	MINIMUM
0.79084230	197.25427908	0.36116521	SADDLE
180.38771830	15.63280463	0.92160156	SADDLE
359.68023493	15.34911258	1.67619702	SADDLE
179.51052188	195.08301627	2.86216518	MAXIMUM

Download:

MOID Plots

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