Asteroids

2025VR4 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.767

Aphelion (Q)

1.514

Eccentricity (e)

0.327

Inclination (i)

2.4

deg

Orbit period (P)

445.1

Earth MOID

0.00112

U parameter

7.0

Next Earth close approach

Date

2030-06-02

Nominal distance (from Earth center)

0.13369

19999915

Maximum Brightness

29.8

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

30.3

mag

Diameter

2.3 - 5*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-11-14

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

1.140798

1-sigma variation

0.000184

Unit

Eccentricity (e)

Value

0.327228

1-sigma variation

0.000216

Unit

Inclination (i)

Value

2.3754

1-sigma variation

0.0013

Unit

Long. of Ascending Node (Ω)

Value

51.8222

1-sigma variation

4.634E-5

Unit

Arg. of Perihelion (ω)

Value

273.3626

1-sigma variation

0.0038

Unit

Mean Anomaly (M)

Value

217.55011

1-sigma variation

0.06108

Unit

Perihelion distance

Value

0.767497

1-sigma variation

Unit

Aphelion distance

Value

1.514100

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.009073

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.029008

1-sigma variation

Unit

MOID

Value

0.001119

1-sigma variation

Unit

Orbit Period

Value

445.0529

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.37811E-8	3.93994E-8	2.26224E-7	-6.79240E-9	-4.13813E-7	-1.12263E-5
e	3.93994E-8	4.66223E-8	2.52428E-7	-7.23306E-9	-5.61318E-7	-1.31003E-5
i	2.26224E-7	2.52428E-7	1.71767E-6	-5.73512E-8	-1.43567E-6	-7.50596E-5
Ω	-6.79240E-9	-7.23306E-9	-5.73512E-8	2.14780E-9	2.51276E-9	2.25006E-6
ω	-4.13813E-7	-5.61318E-7	-1.43567E-6	2.51276E-9	1.43134E-5	1.38316E-4
M	-1.12263E-5	-1.31003E-5	-7.50596E-5	2.25006E-6	1.38316E-4	3.73088E-3

Date of computation: 2026-03-17 23:26 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

30.313

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

2.3 - 5*

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

[-]

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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

139

Unit

Source

[1]

Normalized RMS of residuals

Value

0.480019

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-14.274605

Unit

Source

[2]

Last Observation

Value

2025-11-15.403228

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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 2025VR4 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	1958-11-10 03:36	> 1 mo	0.0102259	0.0021712	0.4996679
EARTH	1964-11-14 16:34	> 1 mo	0.0837470	0.0020920	0.6049795
EARTH	1969-05-06 03:38	> 1 w	0.1258202	0.0005545	0.4860170
EARTH	1970-11-20 13:20	> 1 w	0.1959438	0.0019309	0.4163798
EARTH	1975-05-12 20:21	> 1 d	0.0087026	0.0002012	0.0206533
EARTH	1981-05-04 14:12	164.7	0.1642991	0.1533485	0.0036503
EARTH	1982-11-17 02:58	9.6	0.0896775	0.0884156	0.0004207
EARTH	1988-11-08 13:03	> 1 d	0.0551836	0.0029025	0.0174739
EARTH	2012-05-18 07:24	> 1 d	0.0794650	0.0385921	0.0136247
EARTH	2018-05-09 11:04	762.8	0.0725117	0.0399343	0.0108592
EARTH	2019-11-21 19:12	558.8	0.1778676	0.1488576	0.0096700
EARTH	2025-11-12 15:14	1.1	0.0013065	0.0013036	0.0000010
EARTH	2030-06-02 06:28	> 1 d	0.1336912	0.1123010	0.0071302
EARTH	2036-10-05 01:03	> 1 d	0.1854527	0.1588664	0.0088703
EARTH	2041-05-13 18:33	> 1 d	0.0661234	0.0034155	0.0216625
VENUS	2048-11-09 06:42	> 1 d	0.0459250	0.0295980	0.0054814
EARTH	2053-11-21 02:32	438.8	0.1576643	0.1398537	0.0059369
EARTH	2064-11-06 06:47	> 1 d	0.0849456	0.0496136	0.0117775
EARTH	2069-05-19 09:35	> 1 d	0.0267902	0.0034860	0.0154864
EARTH	2080-05-11 17:40	> 1 d	0.1068596	0.0031544	0.0546678
EARTH	2092-11-21 10:00	> 1 d	0.1709588	0.0000770	0.1055198
EARTH	2103-11-14 15:34	> 1 w	0.0029302	0.0009670	0.1156434
EARTH	2108-10-27 04:15	> 1 mo	0.1333605	0.0055792	19.1348533

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
66.17432596	309.56059147	0.00120878	MINIMUM
289.97197643	134.06625554	0.00318435	MINIMUM
357.49498174	221.19847436	0.24883725	SADDLE
178.71915721	42.50679230	0.52849115	SADDLE
357.56784829	41.28009989	1.75508144	SADDLE
178.71008395	222.48917676	2.52710610	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025VR4

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2053-11-13.658	71219.658	3.029	1.33 ± 0.008	1.80E5	3.08E-8	1.07E-3	-9.81
2076-11-13.914	79620.914	2.781	0.31 ± 0.069	1.43E5	1.71E-7	1.08E-3	-9.33
2081-11-13.638	81446.638	-1.523	0.82 ± 0.009	3.63E5	9.01E-7	1.07E-3	-8.65
2081-11-13.649	81446.649	-3.656	1.00 ± 0.005	9.47E4	1.52E-8	1.06E-3	-10.42
2081-11-13.709	81446.709	0.925	0.86 ± 0.010	3.60E5	1.86E-6	1.07E-3	-8.33
2092-11-13.408	85464.408	-1.156	0.70 ± 0.016	3.31E6	1.64E-7	1.07E-3	-9.47
2092-11-13.445	85464.445	0.544	0.38 ± 0.017	3.05E6	3.25E-7	1.07E-3	-9.17
2092-11-13.458	85464.458	0.925	0.98 ± 0.016	1.16E7	5.04E-8	1.07E-3	-9.98
2093-11-14.409	85830.409	-1.720	0.96 ± 0.002	2.37E6	8.92E-8	1.07E-3	-9.74
2096-11-14.253	86926.253	2.229	0.94 ± 0.012	8.50E6	9.20E-9	1.06E-3	-10.74
2098-11-14.541	87656.541	-1.727	0.91 ± 0.002	4.51E6	4.76E-8	1.07E-3	-10.04
2099-11-14.822	88021.822	2.594	1.04 ± 0.002	7.29E4	4.16E-7	1.07E-3	-9.10
2104-11-15.170	89848.170	1.444	0.31 ± 0.265	7.61E4	5.41E-6	1.07E-3	-8.02
2109-11-14.899	91673.899	-1.514	0.53 ± 0.010	1.28E6	2.77E-7	1.07E-3	-9.34
2109-11-14.912	91673.912	-3.690	0.96 ± 0.008	3.21E5	3.15E-9	1.06E-3	-11.28
2109-11-15.408	91674.408	1.444	0.37 ± 0.000	5.27E7	7.78E-9	1.07E-3	-10.89
2109-11-15.451	91674.451	2.141	0.77 ± 0.007	1.69E5	6.08E-7	1.07E-3	-8.99
2110-11-15.652	92039.652	1.212	0.46 ± 0.002	9.61E6	5.66E-8	1.07E-3	-10.03
2110-11-15.711	92039.711	1.447	1.42 ± 0.027	2.36E6	6.15E-8	1.07E-3	-9.99
2111-11-15.401	92404.401	3.027	1.09 ± 0.005	1.26E7	6.64E-10	1.08E-3	-11.96
2114-11-15.425	93500.425	2.567	1.26 ± 0.028	4.55E6	6.30E-9	1.07E-3	-11.00
2115-05-13.851	93679.851	-0.606	0.88 ± 0.236	2.35E5	3.31E-6	1.07E-3	-8.29
2115-05-13.888	93679.888	-0.607	0.51 ± 0.017	2.92E5	3.21E-6	1.07E-3	-8.30
2115-11-15.802	93865.802	-1.147	0.36 ± 0.008	4.14E6	1.45E-7	1.07E-3	-9.65
2115-11-15.846	93865.846	0.535	0.90 ± 0.014	4.12E6	2.14E-7	1.07E-3	-9.48
2116-11-15.067	94231.067	2.692	1.45 ± 0.007	1.74E4	4.36E-7	1.07E-3	-9.17
2117-11-15.325	94596.325	2.927	0.88 ± 0.004	3.06E7	4.36E-10	1.08E-3	-12.18
2120-11-14.670	95691.670	0.545	0.95 ± 0.010	6.14E6	1.29E-7	1.07E-3	-9.72
2120-11-14.937	95691.937	1.609	0.18 ± 0.077	6.35E7	5.10E-9	1.07E-3	-11.12
2122-11-15.628	96422.628	2.490	0.79 ± 0.025	7.11E5	7.42E-8	1.07E-3	-9.97
2123-11-15.972	96787.972	1.445	1.36 ± 0.029	2.91E7	5.95E-9	1.07E-3	-11.07


Based on 18 optical observations (of which 0 are rejected as outliers) from 2025/11/14.275 to 2025/11/15.403.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.49 and 1.49 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20251115 235852.445 UTC.

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