Asteroids

2025SU7 help

Last update: 2025-09-25 14:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.895

Aphelion (Q)

1.795

Eccentricity (e)

0.334

Inclination (i)

4.4

deg

Orbit period (P)

569.8

Earth MOID

0.00038

U parameter

6.0

Next Earth close approach

Date

2036-05-23

Nominal distance (from Earth center)

0.08366

12514968

Maximum Brightness

28.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

30.8

mag

Diameter

1.8 - 4*

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

1.345092

1-sigma variation

0.000062

Unit

Eccentricity (e)

Value

0.334423

1-sigma variation

0.000038

Unit

Inclination (i)

Value

4.4123

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

181.2012

1-sigma variation

8.077E-6

Unit

Arg. of Perihelion (ω)

Value

124.3862

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

64.75738

1-sigma variation

0.00505

Unit

Perihelion distance

Value

0.895262

1-sigma variation

Unit

Aphelion distance

Value

1.794922

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.475249

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001296

1-sigma variation

Unit

MOID

Value

0.000382

1-sigma variation

Unit

Orbit Period

Value

569.8052

1-sigma variation

Unit

U parameter

Value

6.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.86332E-9	2.37117E-9	2.53662E-8	4.91185E-10	-1.22392E-8	-3.13592E-7
e	2.37117E-9	1.45555E-9	1.55659E-8	3.01228E-10	-7.57544E-9	-1.92449E-7
i	2.53662E-8	1.55659E-8	1.67630E-7	3.25765E-9	-7.96357E-8	-2.05925E-6
Ω	4.91185E-10	3.01228E-10	3.25765E-9	6.52424E-11	-1.49120E-9	-3.98933E-8
ω	-1.22392E-8	-7.57544E-9	-7.96357E-8	-1.49120E-9	5.76462E-8	9.86646E-7
M	-3.13592E-7	-1.92449E-7	-2.05925E-6	-3.98933E-8	9.86646E-7	2.54572E-5

Date of computation: 2025-09-25 14:15 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

30.836

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

1.8 - 4*

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

0.569313

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-09-24.231649

Unit

Source

[2]

Last Observation

Value

2025-09-25.478885

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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 2025SU7 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	1970-09-29 22:57	> 1 d	0.0692437	0.0010779	0.0247813
EARTH	1973-09-08 09:01	> 1 w	0.0798348	0.0025017	0.0850719
EARTH	1976-07-21 11:29	> 1 mo	0.1430478	0.1390275	0.0039082
EARTH	1979-06-02 17:48	> 1 mo	0.0879325	0.0357726	0.1632639
EARTH	1982-05-11 13:50	> 1 w	0.0824753	0.0359789	0.2417095
EARTH	2019-10-07 21:11	> 1 d	0.1864187	0.1197890	0.0222106
EARTH	2022-09-25 07:10	205.9	0.0090937	0.0049388	0.0013866
EARTH	2025-09-24 00:59	< 1 s	0.0004811	0.0004809	0.0000001
EARTH	2036-05-23 05:28	544.2	0.0836574	0.0773241	0.0024140
EARTH	2050-07-10 23:44	> 1 d	0.1325292	0.1273604	0.0018081
EARTH	2064-09-11 19:06	> 1 d	0.0664418	0.0328005	0.0112523
EARTH	2078-09-30 20:56	82.7	0.0646790	0.0624587	0.0007401
EARTH	2089-05-28 21:25	> 1 d	0.0719525	0.0718568	0.0005408
EARTH	2103-07-28 02:45	> 1 w	0.1352221	0.1316457	0.0018387
EARTH	2117-09-22 16:57	> 1 w	0.0220241	0.0014481	0.0484915

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
40.64797934	260.60865586	0.00038215	MINIMUM
315.97795054	144.06799880	0.07119876	MINIMUM
355.54181887	198.39639076	0.13697265	SADDLE
178.86175808	23.33740638	0.81435287	SADDLE
358.58228931	22.77138806	1.87925688	SADDLE
179.52186540	203.79304763	2.81024550	MAXIMUM

Download:

MOID Plots

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