Asteroids

2025GH1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.030

Aphelion (Q)

2.024

Eccentricity (e)

0.325

Inclination (i)

4.4

deg

Orbit period (P)

689.4

Earth MOID

0.03147

U parameter

7.7

Next Earth close approach

Date

2042-03-21

Nominal distance (from Earth center)

0.07209

10784121

Maximum Brightness

21.8

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

2025-04-09

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

1.527325

1-sigma variation

0.001056

Unit

Eccentricity (e)

Value

0.325326

1-sigma variation

0.000442

Unit

Inclination (i)

Value

4.4249

1-sigma variation

0.0048

Unit

Long. of Ascending Node (Ω)

Value

27.5881

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

164.2925

1-sigma variation

0.0026

Unit

Mean Anomaly (M)

Value

121.80976

1-sigma variation

0.12841

Unit

Perihelion distance

Value

1.030446

1-sigma variation

Unit

Aphelion distance

Value

2.024204

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.992772

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.034530

1-sigma variation

Unit

MOID

Value

0.031474

1-sigma variation

Unit

Orbit Period

Value

689.4388

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.11479E-6	4.66442E-7	5.07285E-6	1.75687E-6	2.75230E-6	-1.35578E-4
e	4.66442E-7	1.95166E-7	2.12254E-6	7.35091E-7	1.15150E-6	-5.67274E-5
i	5.07285E-6	2.12254E-6	2.30863E-5	7.99465E-6	1.25354E-5	-6.16953E-4
Ω	1.75687E-6	7.35091E-7	7.99465E-6	2.77057E-6	4.34125E-6	-2.13669E-4
ω	2.75230E-6	1.15150E-6	1.25354E-5	4.34125E-6	6.87802E-6	-3.34767E-4
M	-1.35578E-4	-5.67274E-5	-6.16953E-4	-2.13669E-4	-3.34767E-4	1.64886E-2

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

25.404

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

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

Unit

Source

[1]

Unobserved

Value

187

Unit

Source

[1]

Normalized RMS of residuals

Value

0.629639

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-07.41554

Unit

Source

[2]

Last Observation

Value

2025-04-20.37648

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (1)

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 2025GH1 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	1955-04-18 02:33	> 1 w	0.0416687	0.0279035	0.0231053
EARTH	1972-04-21 02:39	> 1 w	0.0522521	0.0225470	0.0522367
EARTH	2008-03-20 07:21	> 1 w	0.0744218	0.0084000	0.0858137
EARTH	2025-04-06 14:06	< 1 min	0.0350139	0.0348857	0.0000427
EARTH	2042-03-21 19:33	> 1 w	0.0720874	0.0066647	0.0831304
EARTH	2074-05-07 05:52	> 1 d	0.1420248	0.0024450	0.0581334
EARTH	2091-04-09 11:14	> 1 mo	0.0335405	0.0320540	0.0167446

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
6.34966209	97.65869103	0.03273383	MINIMUM
181.09689185	270.93226450	1.02549889	SADDLE
2.52649118	272.31497631	2.02994147	SADDLE
181.42026145	91.16264887	3.02466734	MAXIMUM

Download:

MOID Plots

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