Asteroids

2025FG help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.993

Aphelion (Q)

1.605

Eccentricity (e)

0.235

Inclination (i)

7.4

deg

Orbit period (P)

540.6

Earth MOID

0.01162

U parameter

7.5

Next Earth close approach

Date

2059-04-06

Nominal distance (from Earth center)

0.13457

20132065

Maximum Brightness

25.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-19

Observatory

Kitt Peak-Bok

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

1.298755

1-sigma variation

0.000501

Unit

Eccentricity (e)

Value

0.235470

1-sigma variation

0.000292

Unit

Inclination (i)

Value

7.3753

1-sigma variation

0.0077

Unit

Long. of Ascending Node (Ω)

Value

359.5882

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

155.7768

1-sigma variation

0.0041

Unit

Mean Anomaly (M)

Value

177.85388

1-sigma variation

0.10710

Unit

Perihelion distance

Value

0.992937

1-sigma variation

Unit

Aphelion distance

Value

1.604573

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.558138

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012830

1-sigma variation

Unit

MOID

Value

0.011617

1-sigma variation

Unit

Orbit Period

Value

540.6165

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.51411E-7	1.46582E-7	3.87686E-6	-3.15446E-7	2.01418E-6	-5.37020E-5
e	1.46582E-7	8.54635E-8	2.26042E-6	-1.83924E-7	1.17384E-6	-3.13100E-5
i	3.87686E-6	2.26042E-6	5.97926E-5	-4.86537E-6	3.09901E-5	-8.28065E-4
Ω	-3.15446E-7	-1.83924E-7	-4.86537E-6	3.95924E-7	-2.51966E-6	6.73756E-5
ω	2.01418E-6	1.17384E-6	3.09901E-5	-2.51966E-6	1.66748E-5	-4.30553E-4
M	-5.37020E-5	-3.13100E-5	-8.28065E-4	6.73756E-5	-4.30553E-4	1.14711E-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

27.281

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

9 - 21*

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

219

Unit

Source

[1]

Normalized RMS of residuals

Value

0.611363

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-19.192976

Unit

Source

[2]

Last Observation

Value

2025-03-23.148555

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

35 (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 2025FG 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	1972-03-02 13:50	> 1 w	0.0580678	0.0045678	0.0305784
EARTH	2000-02-20 13:15	> 1 w	0.0900883	0.0306508	0.0723039
EARTH	2025-03-20 20:44	< 1 min	0.0185821	0.0185190	0.0000210
EARTH	2059-04-06 11:53	> 1 w	0.1345745	0.0089073	0.1084740
EARTH	2062-02-20 09:14	> 1 w	0.0894916	0.0299914	0.0840050
EARTH	2093-04-08 10:46	> 1 w	0.1578583	0.0137598	0.2233945
EARTH	2096-02-23 18:56	> 1 mo	0.0814626	0.0232670	0.1917043

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
17.37972767	74.23495819	0.01245887	MINIMUM
179.41284405	233.30645402	0.59876911	SADDLE
2.56651832	235.74931212	2.00170827	SADDLE
182.48358063	55.71377622	2.59418249	MAXIMUM

Download:

MOID Plots

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