Asteroids

2007SQ6 help

Last update: 2025-03-14 12:42 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.891

Aphelion (Q)

1.197

Eccentricity (e)

0.147

Inclination (i)

9.1

deg

Orbit period (P)

389.8

Earth MOID

0.01135

U parameter

1.1

Next Earth close approach

Date

2025-04-05

Nominal distance (from Earth center)

0.02802

4192122

Maximum Brightness

18.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

22.2

mag

Diameter

90 - 210*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2007-09-22

Observatory

Lincoln Laboratory ETS, New Mexico

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.044375

1-sigma variation

2.193E-8

Unit

Eccentricity (e)

Value

0.146587

1-sigma variation

1.150E-7

Unit

Inclination (i)

Value

9.0636

1-sigma variation

7.407E-6

Unit

Long. of Ascending Node (Ω)

Value

191.2312

1-sigma variation

6.696E-6

Unit

Arg. of Perihelion (ω)

Value

284.7701

1-sigma variation

2.176E-5

Unit

Mean Anomaly (M)

Value

89.38802

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.891283

1-sigma variation

Unit

Aphelion distance

Value

1.197467

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.014304

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.061618

1-sigma variation

Unit

MOID

Value

0.011354

1-sigma variation

Unit

Orbit Period

Value

389.8370

1-sigma variation

Unit

U parameter

Value

1.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.80873E-16	2.49383E-15	6.22797E-14	2.63742E-14	2.82875E-13	-9.03052E-14
e	2.49383E-15	1.32182E-14	4.06749E-13	1.20836E-13	1.73990E-12	-6.98368E-13
i	6.22797E-14	4.06749E-13	5.48600E-11	-5.71786E-13	1.11531E-10	-7.37231E-11
Ω	2.63742E-14	1.20836E-13	-5.71786E-13	4.48411E-11	-1.08703E-11	-2.09528E-11
ω	2.82875E-13	1.73990E-12	1.11531E-10	-1.08703E-11	4.73666E-10	-3.01045E-10
M	-9.03052E-14	-6.98368E-13	-7.37231E-11	-2.09528E-11	-3.01045E-10	2.51595E-10

Date of computation: 2025-02-19 13:28 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

22.243

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

90 - 210*

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

5872

Unit

Source

[1]

Unobserved

Value

512

Unit

Source

[1]

Normalized RMS of residuals

Value

0.53427

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2007-09-22.18592

Unit

Source

[2]

Last Observation

Value

2023-10-20.017217

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

196 (4)

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 2007SQ6 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	1959-10-04 01:45	< 1 min	0.1151003	0.1150999	0.0000002
EARTH	1974-10-15 18:53	< 1 min	0.1479671	0.1479646	0.0000009
EARTH	1976-03-28 17:11	< 1 min	0.0573876	0.0573858	0.0000006
EARTH	1990-10-15 19:40	< 1 s	0.1228644	0.1228634	0.0000003
EARTH	1992-03-30 00:24	< 1 min	0.0465563	0.0465557	0.0000002
EARTH	2007-10-03 20:55	< 1 min	0.1137252	0.1137248	0.0000001
EARTH	2009-04-14 09:31	< 1 min	0.1723681	0.1723670	0.0000004
EARTH	2023-10-15 23:25	< 1 s	0.0495645	0.0495644	0.0000000
EARTH	2025-04-05 14:52	< 1 min	0.0280226	0.0280216	0.0000003
EARTH	2039-10-15 02:46	< 1 min	0.0514256	0.0514220	0.0000012
EARTH	2041-04-10 14:37	< 1 min	0.1015803	0.1015705	0.0000033
EARTH	2055-09-16 09:08	4.3	0.1701164	0.1701003	0.0000054
EARTH	2056-02-28 13:50	4.0	0.1438263	0.1438070	0.0000064
EARTH	2070-10-16 18:13	< 1 min	0.0891589	0.0891407	0.0000061
EARTH	2072-04-03 02:42	< 1 min	0.0119053	0.0119027	0.0000009
EARTH	2086-10-16 07:16	3.3	0.0553445	0.0547828	0.0001894
EARTH	2088-04-05 05:27	42.2	0.0245989	0.0236706	0.0003120
EARTH	2102-09-14 06:33	1077.5	0.1771244	0.1735767	0.0011909
EARTH	2103-03-02 06:16	1000.5	0.1393418	0.1346434	0.0015774
EARTH	2117-10-16 15:32	198.8	0.0494267	0.0482444	0.0006352
EARTH	2119-04-11 18:59	271.0	0.0902242	0.0792962	0.0036532

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
70.30275748	90.95728691	0.01135104	MINIMUM
274.68063944	280.65959147	0.04401548	MINIMUM
351.48031335	3.70214238	0.17346996	SADDLE
173.17581275	187.90265816	0.24677712	SADDLE
0.57011473	194.14190160	1.90083708	SADDLE
182.76769336	16.39455446	2.17093354	MAXIMUM

Download:

MOID Plots

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