Asteroids

2006SC help

Last update: 2024-04-16 14:31 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.723

Aphelion (Q)

1.503

Eccentricity (e)

0.350

Inclination (i)

10.4

deg

Orbit period (P)

429.1

Earth MOID

0.00021

U parameter

6.8

Next Earth close approach

Date

2032-03-08

Nominal distance (from Earth center)

0.06287

9405088

Maximum Brightness

22.7

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2006-09-16

Observatory

Catalina Sky Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.113324

1-sigma variation

0.000079

Unit

Eccentricity (e)

Value

0.350212

1-sigma variation

0.000095

Unit

Inclination (i)

Value

10.4275

1-sigma variation

0.0023

Unit

Long. of Ascending Node (Ω)

Value

350.7729

1-sigma variation

0.0044

Unit

Arg. of Perihelion (ω)

Value

265.2419

1-sigma variation

0.0034

Unit

Mean Anomaly (M)

Value

34.53683

1-sigma variation

0.53958

Unit

Perihelion distance

Value

0.723424

1-sigma variation

Unit

Aphelion distance

Value

1.503224

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.000486

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.044104

1-sigma variation

Unit

MOID

Value

0.000209

1-sigma variation

Unit

Orbit Period

Value

429.0727

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.26150E-9	7.48183E-9	1.83637E-7	3.45436E-7	-2.65786E-7	-4.26966E-5
e	7.48183E-9	8.94090E-9	2.19453E-7	4.12741E-7	-3.17688E-7	-5.10178E-5
i	1.83637E-7	2.19453E-7	5.38700E-6	1.01304E-5	-7.79822E-6	-1.25220E-3
Ω	3.45436E-7	4.12741E-7	1.01304E-5	1.90611E-5	-1.46607E-5	-2.35549E-3
ω	-2.65786E-7	-3.17688E-7	-7.79822E-6	-1.46607E-5	1.12935E-5	1.81237E-3
M	-4.26966E-5	-5.10178E-5	-1.25220E-3	-2.35549E-3	1.81237E-3	2.91143E-1

Date of computation: 2024-02-21 14:29 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

25.315

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

23 - 50*

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 ODIM	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

6395

Unit

Source

[1]

Normalized RMS of residuals

Value

0.53004

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2006-09-16.24646

Unit

Source

[2]

Last Observation

Value

2006-10-13.403084

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

113 (10)

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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2006SC from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1954-03-05 15:17	528.4	0.0294893	0.0178004	0.0050057
EARTH	1955-09-15 03:06	654.4	0.0280458	0.0017594	0.0095865
EARTH	1973-03-01 00:33	828.0	0.1226063	0.0862428	0.0121716
EARTH	1974-09-10 23:33	999.4	0.0547846	0.0129032	0.0139656
EARTH	1986-03-15 17:10	1192.8	0.1309014	0.1000264	0.0103420
EARTH	1987-09-22 11:45	580.1	0.1877071	0.1574190	0.0100961
EARTH	2005-03-04 01:34	40.3	0.0603830	0.0586406	0.0005815
EARTH	2006-09-13 15:27	< 1 min	0.0051866	0.0051829	0.0000012
EARTH	2032-03-08 21:20	1310.4	0.0628691	0.0245041	0.0145636
EARTH	2033-09-15 09:22	975.9	0.0374850	0.0000546	0.0141777
EARTH	2052-03-10 10:41	> 1 d	0.0816123	0.0210318	0.0517434
EARTH	2053-09-17 00:19	> 1 d	0.0725651	0.0006096	0.0555422
EARTH	2066-08-29 07:09	> 1 d	0.1997705	0.1141688	0.0287249
EARTH	2085-03-03 04:07	> 1 d	0.0654627	0.0182935	0.0339849
EARTH	2086-09-10 20:24	> 1 d	0.0669964	0.0021125	0.0361719
EARTH	2105-03-03 19:51	675.5	0.0722723	0.0421259	0.0103451
EARTH	2106-09-11 00:55	609.2	0.0843011	0.0616397	0.0075579

Download as:

2006SC

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2053-09-13.612	71158.612	3.885	0.45 ± 0.001	1.74E2	3.09E-6	3.84E-6	-5.40
2054-09-13.840	71523.840	3.923	1.33 ± 0.001	5.69E5	2.53E-10	3.14E-10	-9.50
2076-09-13.339	79559.339	3.648	0.69 ± 0.001	2.71E5	4.44E-9	5.50E-9	-8.49
2121-09-14.463	95995.463	3.668	0.06 ± 0.000	3.92E6	3.30E-10	4.09E-10	-9.87


Based on 113 optical observations (of which 10 are rejected as outliers) from 2006/09/16.246 to 2006/10/13.403.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.36 and 1.36 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20240110 090431.480 UTC.

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