Asteroids

2025OV4 help

Last update: 2025-07-31 14:13 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.992

Aphelion (Q)

2.057

Eccentricity (e)

0.349

Inclination (i)

17.0

deg

Orbit period (P)

687.5

Earth MOID

0.01294

U parameter

8.8

Next Earth close approach

Date

2025-08-20

Nominal distance (from Earth center)

0.0192

2873023

Maximum Brightness

17.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

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

1.524448

1-sigma variation

0.004923

Unit

Eccentricity (e)

Value

0.349218

1-sigma variation

0.002274

Unit

Inclination (i)

Value

17.0044

1-sigma variation

0.0691

Unit

Long. of Ascending Node (Ω)

Value

144.9869

1-sigma variation

0.0945

Unit

Arg. of Perihelion (ω)

Value

209.1816

1-sigma variation

0.0541

Unit

Mean Anomaly (M)

Value

291.02890

1-sigma variation

0.38033

Unit

Perihelion distance

Value

0.992083

1-sigma variation

Unit

Aphelion distance

Value

2.056812

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.937711

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.013965

1-sigma variation

Unit

MOID

Value

0.012936

1-sigma variation

Unit

Orbit Period

Value

687.4914

1-sigma variation

Unit

U parameter

Value

8.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.42398E-5	1.11782E-5	3.40033E-4	-3.68864E-4	1.23239E-4	1.87081E-3
e	1.11782E-5	5.17127E-6	1.57156E-4	-1.77495E-4	6.29799E-5	8.64803E-4
i	3.40033E-4	1.57156E-4	4.77753E-3	-5.33148E-3	1.85966E-3	2.62876E-2
Ω	-3.68864E-4	-1.77495E-4	-5.33148E-3	8.93553E-3	-4.63672E-3	-2.94041E-2
ω	1.23239E-4	6.29799E-5	1.85966E-3	-4.63672E-3	2.92325E-3	1.02882E-2
M	1.87081E-3	8.64803E-4	2.62876E-2	-2.94041E-2	1.02882E-2	1.44652E-1

Date of computation: 2025-07-31 14:13 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

24.189

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

40 - 90*

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

0.368246

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-27.290535

Unit

Source

[2]

Last Observation

Value

2025-07-30.176493

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

13 (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 2025OV4 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	1978-08-04 17:32	> 1 w	0.1736061	0.0086494	0.4001939
EARTH	1993-08-24 07:32	> 1 mo	0.0547238	0.0075362	0.8370295
EARTH	2025-08-20 07:29	171.0	0.0192050	0.0187120	0.0001644
EARTH	2042-08-12 03:19	> 1 mo	0.0800509	0.0070912	0.4972938
EARTH	2091-08-27 08:55	> 1 w	0.0759931	0.0044832	0.0771025
EARTH	2108-08-20 01:58	> 1 w	0.0139402	0.0132961	0.0527678
EARTH	2125-08-23 02:08	> 1 mo	0.0335529	0.0121989	7.8774007

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
340.15828743	224.26500218	0.01293601	MINIMUM
184.48201429	73.46057381	1.08336949	SADDLE
0.54665114	72.52851940	1.98159841	SADDLE
177.11367038	248.47002790	3.05587231	MAXIMUM

Download:

MOID Plots

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