Asteroids

2025SV6 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.997

Aphelion (Q)

1.998

Eccentricity (e)

0.334

Inclination (i)

1.3

deg

Orbit period (P)

669.3

Earth MOID

0.00093

U parameter

6.6

Next Earth close approach

Date

2036-09-25

Nominal distance (from Earth center)

0.02952

4415455

Maximum Brightness

21.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

10 - 22*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-09-23

Observatory

Pan-STARRS 1, 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.497467

1-sigma variation

0.000203

Unit

Eccentricity (e)

Value

0.334202

1-sigma variation

0.000090

Unit

Inclination (i)

Value

1.3119

1-sigma variation

0.0002

Unit

Long. of Ascending Node (Ω)

Value

22.7953

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

6.1610

1-sigma variation

0.0016

Unit

Mean Anomaly (M)

Value

124.89109

1-sigma variation

0.02472

Unit

Perihelion distance

Value

0.997010

1-sigma variation

Unit

Aphelion distance

Value

1.997923

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.001012

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.989591

1-sigma variation

Unit

MOID

Value

0.000932

1-sigma variation

Unit

Orbit Period

Value

669.3206

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.12499E-8	1.82240E-8	4.96569E-8	1.50817E-7	-3.16038E-7	-5.02142E-6
e	1.82240E-8	8.05126E-9	2.19382E-8	6.66290E-8	-1.39622E-7	-2.21844E-6
i	4.96569E-8	2.19382E-8	5.97922E-8	1.81334E-7	-3.80183E-7	-6.04484E-6
Ω	1.50817E-7	6.66290E-8	1.81334E-7	5.55167E-7	-1.15999E-6	-1.83588E-5
ω	-3.16038E-7	-1.39622E-7	-3.80183E-7	-1.15999E-6	2.42720E-6	3.84712E-5
M	-5.02142E-6	-2.21844E-6	-6.04484E-6	-1.83588E-5	3.84712E-5	6.11266E-4

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

27.172

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

10 - 22*

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

225

Unit

Source

[1]

Normalized RMS of residuals

Value

0.817887

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-15.381646

Unit

Source

[2]

Last Observation

Value

2025-10-05.52126

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

44 (2)

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 2025SV6 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	1964-10-09 10:12	> 1 w	0.0050681	0.0001801	0.0151915
MARS	1974-07-02 04:03	> 1 d	0.0377552	0.0241792	0.0188876
EARTH	1988-11-24 03:28	139.8	0.1133109	0.1118922	0.0004729
EARTH	2001-09-12 04:45	> 1 d	0.0925386	0.0163811	0.0258511
EARTH	2025-10-03 20:01	< 1 min	0.0119813	0.0119727	0.0000029
EARTH	2036-09-25 04:04	> 1 d	0.0295155	0.0038501	0.0098945
MARS	2059-02-25 21:09	> 1 d	0.0335968	0.0237800	0.0646715
EARTH	2067-10-28 22:25	> 1 mo	0.0067280	0.0020926	0.0521785
EARTH	2102-10-05 10:04	> 1 mo	0.0134840	0.0000098	0.9929450

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
356.25956449	283.33911826	0.00139258	MINIMUM
178.65797989	106.24197547	0.99274441	SADDLE
357.27884285	104.78327712	2.00269318	SADDLE
178.66054070	286.24841237	2.99417468	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025SV6

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2125-10-17.419	97489.419	0.537	0.000	2.22 ± 0.010	8.19E5	1.20E-6	5.29E-2	-7.42	0


Based on 44 optical observations (of which 2 are rejected as outliers) from 2025/09/15.382 to 2025/10/05.521.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.63 and 2.63 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20251020 080858.301 UTC.

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Download Impactor Table as: