Asteroids

2025OB22 help

Last update: 2025-08-16 13:22 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.997

Aphelion (Q)

2.825

Eccentricity (e)

0.478

Inclination (i)

3.1

deg

Orbit period (P)

964.9

Earth MOID

0.00240

U parameter

7.8

Next Earth close approach

Date

2054-10-08

Nominal distance (from Earth center)

0.19456

29105289

Maximum Brightness

27.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.1

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-07-31

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.910960

1-sigma variation

0.002097

Unit

Eccentricity (e)

Value

0.478497

1-sigma variation

0.000565

Unit

Inclination (i)

Value

3.1491

1-sigma variation

0.0025

Unit

Long. of Ascending Node (Ω)

Value

128.1928

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

202.4544

1-sigma variation

0.0263

Unit

Mean Anomaly (M)

Value

34.93521

1-sigma variation

0.05258

Unit

Perihelion distance

Value

0.996571

1-sigma variation

Unit

Aphelion distance

Value

2.825350

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.655642

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005493

1-sigma variation

Unit

MOID

Value

0.002400

1-sigma variation

Unit

Orbit Period

Value

964.8859

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.39653E-6	1.18256E-6	5.30595E-6	3.29520E-7	-2.77554E-5	-1.09323E-4
e	1.18256E-6	3.18790E-7	1.43186E-6	8.90957E-8	-6.86062E-6	-2.95863E-5
i	5.30595E-6	1.43186E-6	6.49251E-6	4.00456E-7	-2.95020E-5	-1.33132E-4
Ω	3.29520E-7	8.90957E-8	4.00456E-7	2.50115E-8	-1.68598E-6	-8.31177E-6
ω	-2.77554E-5	-6.86062E-6	-2.95020E-5	-1.68598E-6	6.90483E-4	5.35931E-4
M	-1.09323E-4	-2.95863E-5	-1.33132E-4	-8.31177E-6	5.35931E-4	2.76455E-3

Date of computation: 2025-08-16 13:22 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

28.117

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

6 - 14*

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

0.2

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.720984

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-31.298178

Unit

Source

[2]

Last Observation

Value

2025-07-31.465756

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

10 (3)

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 2025OB22 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	1950-09-07 22:35	> 1 mo	0.0339747	0.0300660	0.0712776
EARTH	1958-10-02 12:19	> 1 w	0.1522436	0.0413956	0.3377602
EARTH	2017-07-08 20:29	> 1 d	0.1401011	0.0076419	0.0767518
EARTH	2025-08-01 00:23	< 1 min	0.0062138	0.0061922	0.0000072
EARTH	2054-10-08 10:14	> 1 w	0.1945568	0.0445679	0.2779501
EARTH	2062-07-15 13:47	> 1 mo	0.0830570	0.0038687	0.2814940
EARTH	2091-08-24 23:28	> 1 mo	0.0269341	0.0208331	0.0902596

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
347.85982078	209.51985684	0.00240021	MINIMUM
179.58132835	48.79751603	1.83625627	SADDLE
358.71402965	47.87403109	1.98579277	SADDLE
179.48153924	228.73255227	3.83731069	MAXIMUM

Download:

MOID Plots

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