Asteroids

2025VD1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.923

Aphelion (Q)

1.718

Eccentricity (e)

0.301

Inclination (i)

4.9

deg

Orbit period (P)

554.4

Earth MOID

0.00801

U parameter

6.9

Next Earth close approach

Date

2029-01-25

Nominal distance (from Earth center)

0.08821

13195858

Maximum Brightness

25.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

11 - 24*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-11-10

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

1.320738

1-sigma variation

0.000199

Unit

Eccentricity (e)

Value

0.300856

1-sigma variation

0.000121

Unit

Inclination (i)

Value

4.8508

1-sigma variation

0.0019

Unit

Long. of Ascending Node (Ω)

Value

226.7952

1-sigma variation

2.311E-5

Unit

Arg. of Perihelion (ω)

Value

230.7750

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

339.57450

1-sigma variation

0.00612

Unit

Perihelion distance

Value

0.923386

1-sigma variation

Unit

Aphelion distance

Value

1.718090

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.472935

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.018485

1-sigma variation

Unit

MOID

Value

0.008013

1-sigma variation

Unit

Orbit Period

Value

554.4005

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.96118E-8	2.40715E-8	3.79203E-7	1.92384E-9	1.05641E-8	1.21704E-6
e	2.40715E-8	1.46283E-8	2.30456E-7	1.16984E-9	6.56671E-9	7.39512E-7
i	3.79203E-7	2.30456E-7	3.67730E-6	2.23035E-8	1.30314E-7	1.16301E-5
Ω	1.92384E-9	1.16984E-9	2.23035E-8	5.33873E-10	2.25567E-9	5.77013E-8
ω	1.05641E-8	6.56671E-9	1.30314E-7	2.25567E-9	7.22825E-8	2.89502E-7
M	1.21704E-6	7.39512E-7	1.16301E-5	5.77013E-8	2.89502E-7	3.74113E-5

Date of computation: 2025-11-13 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

26.958

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

11 - 24*

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

0.701029

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-10.145552

Unit

Source

[2]

Last Observation

Value

2025-11-12.421259

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (1)

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 2025VD1 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	1957-10-26 21:10	> 1 d	0.1984785	0.0662450	0.0440891
EARTH	1960-11-09 01:31	> 1 d	0.0320827	0.0060399	0.0247795
EARTH	1963-11-30 16:31	> 1 w	0.0561836	0.0046004	0.0323100
EARTH	1967-01-20 04:13	> 1 w	0.0912574	0.0901513	0.0042083
EARTH	1970-02-20 08:24	> 1 d	0.1081956	0.0860872	0.0312765
EARTH	2022-11-01 12:09	405.6	0.1248409	0.1117556	0.0043618
EARTH	2025-11-14 19:57	< 1 min	0.0087370	0.0087267	0.0000034
EARTH	2029-01-25 00:55	> 1 d	0.0882089	0.0868558	0.0005666
EARTH	2032-02-27 21:51	716.2	0.1667406	0.1440884	0.0077559
MARS	2037-01-14 06:48	< 1 min	0.0293367	0.0216351	0.0075352
EARTH	2069-11-06 21:14	> 1 d	0.0613219	0.0066900	0.0495786
EARTH	2072-12-18 11:57	> 1 w	0.0805762	0.0561684	0.0088094
EARTH	2076-02-19 12:54	1006.0	0.0943133	0.0848815	0.0042766
MARS	2084-01-23 01:37	1251.1	0.0251231	0.0233376	0.0243103
EARTH	2116-11-07 03:45	> 1 mo	0.0696646	0.0070759	0.4568149
EARTH	2119-12-14 05:33	> 1 mo	0.0744360	0.0231094	0.1324963
EARTH	2123-02-18 09:32	> 1 d	0.0868017	0.0830343	0.0058398

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
325.55119022	311.15001758	0.00801280	MINIMUM
32.87654293	39.48910123	0.08326096	MINIMUM
10.35356565	10.08985393	0.09095987	SADDLE
180.81454291	176.72862362	0.70534009	SADDLE
0.11596788	176.39189356	1.94047615	SADDLE
179.63745870	355.85770428	2.70033924	MAXIMUM

Download:

MOID Plots

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