Asteroids

2025UO7 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

1.007

Aphelion (Q)

2.707

Eccentricity (e)

0.458

Inclination (i)

8.7

deg

Orbit period (P)

924.4

Earth MOID

0.01967

U parameter

7.5

Next Earth close approach

Date

2063-10-12

Nominal distance (from Earth center)

0.12024

17987059

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-27

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.857176

1-sigma variation

0.001365

Unit

Eccentricity (e)

Value

0.457542

1-sigma variation

0.000391

Unit

Inclination (i)

Value

8.6669

1-sigma variation

0.0055

Unit

Long. of Ascending Node (Ω)

Value

216.8380

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

191.7468

1-sigma variation

0.0016

Unit

Mean Anomaly (M)

Value

82.23153

1-sigma variation

0.08969

Unit

Perihelion distance

Value

1.007440

1-sigma variation

Unit

Aphelion distance

Value

2.706912

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.653804

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.020511

1-sigma variation

Unit

MOID

Value

0.019665

1-sigma variation

Unit

Orbit Period

Value

924.4384

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.86191E-6	5.34030E-7	7.52545E-6	-3.15499E-7	-2.16934E-6	-1.22390E-4
e	5.34030E-7	1.53170E-7	2.15843E-6	-9.04895E-8	-6.22122E-7	-3.51039E-5
i	7.52545E-6	2.15843E-6	3.04181E-5	-1.27547E-6	-8.77799E-6	-4.94673E-4
Ω	-3.15499E-7	-9.04895E-8	-1.27547E-6	5.35318E-8	3.69167E-7	2.07384E-5
ω	-2.16934E-6	-6.22122E-7	-8.77799E-6	3.69167E-7	2.62133E-6	1.42568E-4
M	-1.22390E-4	-3.51039E-5	-4.94673E-4	2.07384E-5	1.42568E-4	8.04518E-3

Date of computation: 2026-03-18 10:55 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

26.652

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

12 - 28*

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

170

Unit

Source

[1]

Normalized RMS of residuals

Value

0.557571

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-27.137814

Unit

Source

[2]

Last Observation

Value

2025-10-31.936001

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

44 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025UO7 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1982-10-11 17:11	> 1 w	0.1142694	0.0101196	0.2261489
EARTH	1987-12-10 15:03	> 1 w	0.1973844	0.0623185	0.2252820
EARTH	2025-11-01 23:38	< 1 min	0.0204509	0.0204050	0.0000153
EARTH	2063-10-12 06:30	> 1 w	0.1202361	0.0081668	0.2256632
EARTH	2068-12-10 13:43	> 1 w	0.1961150	0.0636034	0.1938858
EARTH	2106-11-02 13:38	> 1 mo	0.0202497	0.0202358	0.0057584

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
353.99634804	295.18318956	0.01966517	MINIMUM
179.72515780	123.59049510	1.69829639	SADDLE
358.65869039	122.68332654	2.01649596	SADDLE
179.30821206	303.34337024	3.69741699	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out