Asteroids

2025GR help

Last update: 2025-04-10 00:47 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.766

Aphelion (Q)

1.924

Eccentricity (e)

0.431

Inclination (i)

19.0

deg

Orbit period (P)

569.7

Earth MOID

0.02080

U parameter

7.8

Next Earth close approach

Date

2060-10-20

Nominal distance (from Earth center)

0.1073

16051271

Maximum Brightness

22.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-04-03

Observatory

Pan-STARRS 1, Haleakala

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.344888

1-sigma variation

0.000921

Unit

Eccentricity (e)

Value

0.430644

1-sigma variation

0.000466

Unit

Inclination (i)

Value

19.0195

1-sigma variation

0.0182

Unit

Long. of Ascending Node (Ω)

Value

193.0372

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

278.1747

1-sigma variation

0.0141

Unit

Mean Anomaly (M)

Value

56.97513

1-sigma variation

0.07383

Unit

Perihelion distance

Value

0.765720

1-sigma variation

Unit

Aphelion distance

Value

1.924056

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.032330

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.167450

1-sigma variation

Unit

MOID

Value

0.020801

1-sigma variation

Unit

Orbit Period

Value

569.6756

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.48650E-7	4.29175E-7	1.67775E-5	1.82732E-7	1.29867E-5	-6.80114E-5
e	4.29175E-7	2.17041E-7	8.48460E-6	9.24096E-8	6.56746E-6	-3.43943E-5
i	1.67775E-5	8.48460E-6	3.31699E-4	3.61278E-6	2.56745E-4	-1.34456E-3
Ω	1.82732E-7	9.24096E-8	3.61278E-6	3.93533E-8	2.79637E-6	-1.46442E-5
ω	1.29867E-5	6.56746E-6	2.56745E-4	2.79637E-6	1.98753E-4	-1.04077E-3
M	-6.80114E-5	-3.43943E-5	-1.34456E-3	-1.46442E-5	-1.04077E-3	5.45048E-3

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

25.778

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

19 - 40*

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.695617

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-02.410616

Unit

Source

[2]

Last Observation

Value

2025-04-09.409256

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

54 (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 2025GR 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	1957-10-22 04:20	> 1 d	0.1442737	0.0900044	0.0814052
EARTH	1961-04-02 08:10	> 1 w	0.0513287	0.0226207	0.1401839
EARTH	1982-10-18 09:46	> 1 d	0.0994355	0.0951111	0.0565182
EARTH	1986-03-27 04:55	> 1 w	0.0821171	0.0200850	0.2037457
EARTH	2000-04-09 06:09	> 1 d	0.1930132	0.0153986	0.1555093
EARTH	2021-10-20 20:46	824.2	0.1089669	0.0970312	0.0089963
EARTH	2025-03-30 22:04	< 1 min	0.0218606	0.0217960	0.0000215
EARTH	2060-10-20 12:28	> 1 d	0.1072961	0.0978277	0.0767669
EARTH	2064-03-30 05:00	> 1 w	0.0261777	0.0196832	0.1376036
EARTH	2078-04-07 07:44	> 1 w	0.1360772	0.0157300	0.5260500
EARTH	2099-10-14 11:34	> 1 w	0.1831720	0.0980301	0.5888885
EARTH	2113-10-21 00:15	> 1 w	0.1007140	0.0996072	0.0959438
EARTH	2117-03-28 20:24	> 1 mo	0.0708027	0.0162927	0.6845594

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
54.99946817	87.26215508	0.02080147	MINIMUM
300.22945574	284.46101657	0.09685580	MINIMUM
356.51137956	3.52357284	0.35940543	SADDLE
178.37713936	188.43676790	1.01678217	SADDLE
359.40786718	188.26151623	1.75828826	SADDLE
180.87844186	10.11397481	2.87298763	MAXIMUM

Download:

MOID Plots

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