Asteroids

2025WD5 help

Last update: 2025-11-27 01:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.564

Aphelion (Q)

3.545

Eccentricity (e)

0.726

Inclination (i)

6.9

deg

Orbit period (P)

1075.6

Earth MOID

0.00936

U parameter

9.0

Next Earth close approach

Date

2025-12-06

Nominal distance (from Earth center)

0.01997

2988007

Maximum Brightness

18.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.054428

1-sigma variation

0.020374

Unit

Eccentricity (e)

Value

0.725706

1-sigma variation

0.003372

Unit

Inclination (i)

Value

6.9326

1-sigma variation

0.0334

Unit

Long. of Ascending Node (Ω)

Value

71.3309

1-sigma variation

0.0064

Unit

Arg. of Perihelion (ω)

Value

95.5635

1-sigma variation

0.0454

Unit

Mean Anomaly (M)

Value

339.42566

1-sigma variation

0.34497

Unit

Perihelion distance

Value

0.563518

1-sigma variation

Unit

Aphelion distance

Value

3.545338

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.060639

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.107498

1-sigma variation

Unit

MOID

Value

0.009358

1-sigma variation

Unit

Orbit Period

Value

1075.5604

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.15104E-4	6.85511E-5	6.79012E-4	3.11099E-5	3.66422E-4	7.02774E-3
e	6.85511E-5	1.13695E-5	1.12434E-4	3.76729E-6	6.97279E-5	1.16171E-3
i	6.79012E-4	1.12434E-4	1.11266E-3	4.23848E-5	6.56181E-4	1.15027E-2
Ω	3.11099E-5	3.76729E-6	4.23848E-5	4.08386E-5	-2.31123E-4	4.94882E-4
ω	3.66422E-4	6.97279E-5	6.56181E-4	-2.31123E-4	2.06247E-3	6.41743E-3
M	7.02774E-3	1.16171E-3	1.15027E-2	4.94882E-4	6.41743E-3	1.19006E-1

Date of computation: 2025-11-27 01:15 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

24.328

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 - 80*

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

0.380339

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-25.387512

Unit

Source

[2]

Last Observation

Value

2025-11-27.029909

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

20 (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 2025WD5 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	2008-06-19 06:33	> 1 mo	0.1905758	0.0140412	0.9904321
EARTH	2011-06-08 08:44	> 1 mo	0.0399448	0.0150279	1.1725153
EARTH	2025-12-06 23:37	24.5	0.0199736	0.0197556	0.0000727
VENUS	2055-06-12 12:59	> 1 mo	0.0291562	0.0100095	1.9252109
EARTH	2058-06-06 19:21	> 1 w	0.1050525	0.0274138	0.4242336
EARTH	2066-12-05 04:52	> 1 mo	0.0347623	0.0093306	3.7336914
EARTH	2090-06-18 17:45	> 1 mo	0.0997742	0.0271875	6.5944170
EARTH	2098-12-11 23:55	> 1 mo	0.0890118	0.0097226	8.1630689
VENUS	2099-02-21 01:14	> 1 mo	0.0468247	0.0078512	9.1874922
VENUS	2110-10-25 23:53	> 1 mo	0.0270734	0.0080463	11.1570366

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
315.74005107	334.84441600	0.00935800	MINIMUM
45.73357475	158.38148930	0.01903538	MINIMUM
1.29545542	67.27544597	0.43957006	SADDLE
1.48584661	247.72935015	1.56849856	SADDLE
180.21148334	245.97109989	2.54768724	SADDLE
180.25858794	65.98642270	4.53335204	MAXIMUM

Download:

MOID Plots

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