Asteroids

2025WO8 help

Last update: 2025-11-30 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.952

Aphelion (Q)

2.086

Eccentricity (e)

0.373

Inclination (i)

5.3

deg

Orbit period (P)

683.6

Earth MOID

0.00031

U parameter

6.1

Next Earth close approach

Date

2030-12-05

Nominal distance (from Earth center)

0.02158

3228256

Maximum Brightness

25.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.2

mag

Diameter

4 - 9*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-11-28

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.518696

1-sigma variation

0.000085

Unit

Eccentricity (e)

Value

0.373451

1-sigma variation

0.000037

Unit

Inclination (i)

Value

5.2782

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

247.4440

1-sigma variation

6.869E-6

Unit

Arg. of Perihelion (ω)

Value

209.7887

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

342.47030

1-sigma variation

0.00164

Unit

Perihelion distance

Value

0.951538

1-sigma variation

Unit

Aphelion distance

Value

2.085854

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.918740

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000536

1-sigma variation

Unit

MOID

Value

0.000309

1-sigma variation

Unit

Orbit Period

Value

683.6044

1-sigma variation

Unit

U parameter

Value

6.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.14262E-9	3.09475E-9	3.64493E-8	-5.22360E-10	6.33442E-9	1.38335E-7
e	3.09475E-9	1.34092E-9	1.57940E-8	-2.26712E-10	2.75913E-9	5.99322E-8
i	3.64493E-8	1.57940E-8	1.86150E-7	-2.69527E-9	3.30848E-8	7.05644E-7
Ω	-5.22360E-10	-2.26712E-10	-2.69527E-9	4.71894E-11	-6.98367E-10	-1.00274E-8
ω	6.33442E-9	2.75913E-9	3.30848E-8	-6.98367E-10	1.44886E-8	1.19261E-7
M	1.38335E-7	5.99322E-8	7.05644E-7	-1.00274E-8	1.19261E-7	2.68053E-6

Date of computation: 2025-11-30 13:00 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

29.215

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

4 - 9*

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

0.53848

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-28.189964

Unit

Source

[2]

Last Observation

Value

2025-11-29.514079

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

76 (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 2025WO8 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	1955-01-15 05:03	> 1 w	0.0700592	0.0645711	0.0183616
EARTH	1982-12-13 03:29	> 1 d	0.0348889	0.0132831	0.0076412
EARTH	2011-02-06 00:19	1377.1	0.1103610	0.0963275	0.0051040
EARTH	2025-11-29 18:14	< 1 s	0.0007266	0.0007264	0.0000001
EARTH	2030-12-05 12:14	1064.8	0.0215796	0.0141816	0.0024674
EARTH	2036-01-23 17:37	> 1 d	0.0821136	0.0810715	0.0008541
EARTH	2041-02-24 21:39	> 1 d	0.1392849	0.0985178	0.0169366
EARTH	2087-11-21 17:32	> 1 w	0.0594531	0.0016871	0.0852792
EARTH	2092-12-10 21:01	> 1 d	0.0374775	0.0282511	0.0030855
EARTH	2098-02-07 16:30	> 1 w	0.0862826	0.0850080	0.0125177
EARTH	2103-03-05 00:10	> 1 w	0.1983562	0.0918015	0.1751095

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
339.76664320	326.87589363	0.00030914	MINIMUM
180.41560143	176.06989073	1.06981969	SADDLE
0.08706928	176.02521598	1.96914667	SADDLE
179.74559699	355.61582864	3.06875311	MAXIMUM

Download:

MOID Plots

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