Asteroids

2025SR7 help

Last update: 2025-09-26 13:16 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.890

Aphelion (Q)

2.126

Eccentricity (e)

0.410

Inclination (i)

14.0

deg

Orbit period (P)

676.4

Earth MOID

0.00685

U parameter

7.2

Next Earth close approach

Date

2062-10-06

Nominal distance (from Earth center)

0.17209

25743639

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

17 - 40*

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

1.507947

1-sigma variation

0.000471

Unit

Eccentricity (e)

Value

0.410099

1-sigma variation

0.000207

Unit

Inclination (i)

Value

13.9822

1-sigma variation

0.0052

Unit

Long. of Ascending Node (Ω)

Value

2.1324

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

305.3194

1-sigma variation

0.0015

Unit

Mean Anomaly (M)

Value

53.25765

1-sigma variation

0.02791

Unit

Perihelion distance

Value

0.889539

1-sigma variation

Unit

Aphelion distance

Value

2.126355

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.010607

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.646385

1-sigma variation

Unit

MOID

Value

0.006851

1-sigma variation

Unit

Orbit Period

Value

676.3594

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.22073E-7	9.76116E-8	2.44252E-6	8.63168E-8	7.01222E-7	-1.31514E-5
e	9.76116E-8	4.29053E-8	1.07367E-6	3.79430E-8	3.08082E-7	-5.78060E-6
i	2.44252E-6	1.07367E-6	2.68918E-5	9.50465E-7	7.68696E-6	-1.44640E-4
Ω	8.63168E-8	3.79430E-8	9.50465E-7	3.35974E-8	2.71512E-7	-5.11141E-6
ω	7.01222E-7	3.08082E-7	7.68696E-6	2.71512E-7	2.26164E-6	-4.15419E-5
M	-1.31514E-5	-5.78060E-6	-1.44640E-4	-5.11141E-6	-4.15419E-5	7.78841E-4

Date of computation: 2025-09-26 13:16 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

25.98

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

17 - 40*

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

0.8

Unit

Source

[1]

Normalized RMS of residuals

Value

0.657705

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-24.422697

Unit

Source

[2]

Last Observation

Value

2025-09-26.38201

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

54 (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 2025SR7 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	1958-10-06 18:07	> 1 d	0.1954644	0.0015176	0.1259708
MARS	2002-11-16 15:25	1351.9	0.0352865	0.0336607	0.0107122
EARTH	2012-09-12 14:09	> 1 d	0.1022246	0.0042588	0.0348078
EARTH	2025-09-23 12:54	< 1 s	0.0092768	0.0092652	0.0000039
EARTH	2062-10-06 00:51	> 1 d	0.1720856	0.0037364	0.1046113
EARTH	2075-09-17 11:34	> 1 w	0.0727147	0.0005890	0.1112898
EARTH	2112-09-21 17:54	> 1 w	0.0368658	0.0036674	0.1271103
MARS	2125-02-15 20:09	> 1 d	0.0406361	0.0365306	0.0734290

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
36.07694588	260.60595670	0.00685069	MINIMUM
314.69138811	139.09868666	0.22658881	MINIMUM
342.82765153	180.14086756	0.25334492	SADDLE
176.63894610	24.56804437	1.17756340	SADDLE
357.24221153	23.08765648	1.86498030	SADDLE
180.68886173	207.18938244	3.12914020	MAXIMUM

Download:

MOID Plots

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