Asteroids

2025WG help

Last update: 2025-12-06 21:07 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.898

Aphelion (Q)

1.500

Eccentricity (e)

0.251

Inclination (i)

7.3

deg

Orbit period (P)

479.4

Earth MOID

0.01304

U parameter

6.7

Next Earth close approach

Date

2043-04-05

Nominal distance (from Earth center)

0.12664

18945160

Maximum Brightness

24.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-11-16

Observatory

Pan-STARRS 2, Haleakala

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

1.198710

1-sigma variation

0.000133

Unit

Eccentricity (e)

Value

0.251236

1-sigma variation

0.000107

Unit

Inclination (i)

Value

7.2681

1-sigma variation

0.0029

Unit

Long. of Ascending Node (Ω)

Value

64.9697

1-sigma variation

4.112E-5

Unit

Arg. of Perihelion (ω)

Value

63.6002

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

315.15848

1-sigma variation

0.01013

Unit

Perihelion distance

Value

0.897551

1-sigma variation

Unit

Aphelion distance

Value

1.499870

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.023475

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.249459

1-sigma variation

Unit

MOID

Value

0.013037

1-sigma variation

Unit

Orbit Period

Value

479.3689

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.76772E-8	1.42268E-8	3.85749E-7	-5.41201E-9	-4.29603E-8	1.34635E-6
e	1.42268E-8	1.14498E-8	3.10454E-7	-4.35528E-9	-3.45686E-8	1.08355E-6
i	3.85749E-7	3.10454E-7	8.41782E-6	-1.18118E-7	-9.37300E-7	2.93797E-5
Ω	-5.41201E-9	-4.35528E-9	-1.18118E-7	1.69097E-9	1.31934E-8	-4.12220E-7
ω	-4.29603E-8	-3.45686E-8	-9.37300E-7	1.31934E-8	1.06144E-7	-3.27276E-6
M	1.34635E-6	1.08355E-6	2.93797E-5	-4.12220E-7	-3.27276E-6	1.02542E-4

Date of computation: 2025-12-06 21:07 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

26.564

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

13 - 29*

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

0.696688

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-16.427258

Unit

Source

[2]

Last Observation

Value

2025-12-02.851749

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (7)

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 2025WG 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	1963-04-17 15:46	> 1 d	0.1916481	0.1132353	0.0319248
EARTH	1966-12-03 02:41	> 1 d	0.0151318	0.0117932	0.0062385
EARTH	1984-04-05 12:32	283.0	0.1174287	0.1088012	0.0032167
EARTH	1987-11-22 08:24	699.9	0.1433673	0.1138150	0.0098537
EARTH	2004-12-16 15:30	> 1 d	0.0849314	0.0309538	0.0180198
EARTH	2022-04-12 09:03	255.7	0.1154157	0.1094576	0.0021653
EARTH	2025-12-02 03:00	< 1 min	0.0130382	0.0130220	0.0000054
EARTH	2043-04-05 02:50	1406.9	0.1266406	0.1000194	0.0112610
EARTH	2046-11-21 08:59	> 1 d	0.1615493	0.0960632	0.0218430
EARTH	2060-04-16 20:57	> 1 d	0.1800653	0.1174516	0.0236694
EARTH	2063-12-12 23:33	> 1 d	0.0700713	0.0059009	0.0261448
EARTH	2081-04-13 03:22	883.7	0.1178524	0.0970817	0.0100864
EARTH	2084-12-04 00:01	> 1 d	0.0229681	0.0138949	0.0211613
EARTH	2106-04-10 01:17	1186.6	0.0967624	0.0954045	0.0027450
EARTH	2109-12-04 02:17	> 1 d	0.0160425	0.0146732	0.0119302

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
312.97975662	329.03267570	0.01303729	MINIMUM
57.76759410	97.53137377	0.09842830	MINIMUM
12.00775848	41.92952783	0.14447677	SADDLE
183.95695244	210.49709673	0.50427919	SADDLE
2.86363542	210.22896187	1.91039618	SADDLE
180.62155126	27.86631201	2.48148250	MAXIMUM

Download:

MOID Plots

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