Asteroids

364136 2006CJ help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.166

Aphelion (Q)

1.187

Eccentricity (e)

0.755

Inclination (i)

10.2

deg

Orbit period (P)

203.3

Earth MOID

0.02588

U parameter

0.7

A₂

-31.5

10^-15au/days²

Next Earth close approach

Date

2027-02-04

Nominal distance (from Earth center)

0.16476

24648319

Maximum Brightness

20.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.2

mag

Diameter

250 - 600*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2006-02-01

Observatory

Siding Spring Survey

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

0.676605

1-sigma variation

2.592E-9

Unit

Eccentricity (e)

Value

0.754855

1-sigma variation

4.296E-8

Unit

Inclination (i)

Value

10.2234

1-sigma variation

9.212E-6

Unit

Long. of Ascending Node (Ω)

Value

303.2053

1-sigma variation

1.567E-5

Unit

Arg. of Perihelion (ω)

Value

29.6895

1-sigma variation

1.555E-5

Unit

Mean Anomaly (M)

Value

16.91348

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.165866

1-sigma variation

Unit

Aphelion distance

Value

1.187344

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.841086

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.138992

1-sigma variation

Unit

MOID

Value

0.025881

1-sigma variation

Unit

Orbit Period

Value

203.2832

1-sigma variation

Unit

U parameter

Value

0.7

1-sigma variation

Unit

A₂

Value

-31.53455

1-sigma variation

1.72726

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	6.71619E-18	-6.32964E-18	-6.42716E-15	-1.74796E-14	1.79194E-14	-6.34205E-14	4.40798E-9
e	-6.32964E-18	1.84535E-15	-1.09696E-13	-2.39078E-13	2.12899E-13	-1.15758E-13	-8.20784E-10
i	-6.42716E-15	-1.09696E-13	8.48670E-11	1.24448E-10	-1.21267E-10	5.10461E-11	-4.76832E-6
Ω	-1.74796E-14	-2.39078E-13	1.24448E-10	2.45555E-10	-2.43316E-10	1.45787E-10	-1.26484E-5
ω	1.79194E-14	2.12899E-13	-1.21267E-10	-2.43316E-10	2.41687E-10	-1.47364E-10	1.28845E-5
M	-6.34205E-14	-1.15758E-13	5.10461E-11	1.45787E-10	-1.47364E-10	6.70222E-10	-3.98917E-5
A₂	4.40798E-9	-8.20784E-10	-4.76832E-6	-1.26484E-5	1.28845E-5	-3.98917E-5	2.98342E0

Date of computation: 2025-09-10 00:30 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

20.162

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

250 - 600*

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

Radar R

Unit

Source

[3]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude
[3]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

6946

Unit

Source

[1]

Unobserved

Value

282

Unit

Source

[1]

Normalized RMS of residuals

Value

0.63489

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2006-02-01.67212

Unit

Source

[2]

Last Observation

Value

2025-02-07.655609

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

556 (16)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2012-02-02

Unit

Source

[3]

Last Observation

Value

2012-02-06

Unit

Source

[3]

Delay (Discarded)

Value

5 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

8 (0)

Unit

Source

[1]

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
[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 364136 2006CJ 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	1952-03-03 15:43	< 1 min	0.1999392	0.1999385	0.0000002
EARTH	1953-01-31 00:19	< 1 s	0.0263009	0.0263000	0.0000003
EARTH	1958-01-31 23:22	< 1 min	0.0695694	0.0695672	0.0000007
EARTH	1963-02-02 15:55	< 1 min	0.1276985	0.1276965	0.0000007
EARTH	1968-02-04 23:38	< 1 min	0.1922155	0.1922136	0.0000006
EARTH	1971-03-12 03:20	< 1 min	0.1735158	0.1735147	0.0000004
EARTH	1976-03-12 10:07	< 1 s	0.1451023	0.1451017	0.0000002
EARTH	1977-02-10 01:09	< 1 min	0.1870547	0.1870541	0.0000002
EARTH	1981-03-12 19:00	< 1 s	0.1369834	0.1369831	0.0000001
VENUS	1981-06-06 00:18	< 1 min	0.0352359	0.0352339	0.0000007
EARTH	1982-02-06 10:16	< 1 min	0.1576648	0.1576639	0.0000003
MERCURY	1984-09-15 19:57	< 1 min	0.0363225	0.0363211	0.0000005
EARTH	1986-03-12 04:22	< 1 s	0.1457338	0.1457334	0.0000001
EARTH	1987-02-03 21:34	< 1 min	0.1249475	0.1249465	0.0000003
EARTH	1991-03-10 16:40	< 1 min	0.1627319	0.1627314	0.0000002
EARTH	1992-02-02 05:11	< 1 min	0.0874078	0.0874067	0.0000003
VENUS	1993-02-12 14:53	< 1 min	0.0219235	0.0219218	0.0000006
MERCURY	1993-08-13 15:08	< 1 min	0.0499888	0.0499863	0.0000008
EARTH	1996-03-07 19:20	< 1 min	0.1784875	0.1784871	0.0000001
EARTH	1997-01-31 13:48	< 1 s	0.0556500	0.0556493	0.0000002
EARTH	2001-03-05 23:50	< 1 min	0.1907089	0.1907087	0.0000001
EARTH	2002-01-31 12:31	< 1 s	0.0315895	0.0315893	0.0000001
EARTH	2006-03-04 07:08	< 1 s	0.1997374	0.1997372	0.0000001
EARTH	2007-01-31 19:15	< 1 s	0.0264544	0.0264543	0.0000000
EARTH	2012-02-01 08:22	< 1 s	0.0452927	0.0452927	0.0000000
MERCURY	2016-12-24 08:18	< 1 s	0.0323507	0.0323506	0.0000001
EARTH	2017-02-01 06:18	< 1 s	0.0797937	0.0797936	0.0000000
EARTH	2022-02-02 12:09	< 1 s	0.1192097	0.1192094	0.0000001
EARTH	2027-02-04 03:27	< 1 s	0.1647638	0.1647631	0.0000002
EARTH	2030-03-11 06:21	< 1 s	0.1976216	0.1976208	0.0000003
MERCURY	2033-02-12 22:22	< 1 min	0.0427730	0.0427709	0.0000007
EARTH	2035-03-12 16:10	< 1 s	0.1679003	0.1678993	0.0000003
EARTH	2040-03-12 17:00	< 1 s	0.1460029	0.1460020	0.0000003
EARTH	2041-02-11 02:42	< 1 min	0.1911307	0.1911298	0.0000003
EARTH	2045-03-13 05:44	< 1 s	0.1361829	0.1361825	0.0000001
EARTH	2046-02-08 09:59	< 1 min	0.1716189	0.1716174	0.0000005
EARTH	2050-03-13 05:01	< 1 min	0.1378790	0.1378784	0.0000002
EARTH	2051-02-05 22:38	< 1 min	0.1462666	0.1462644	0.0000008
EARTH	2055-03-12 12:14	< 1 min	0.1484540	0.1484527	0.0000004
EARTH	2056-02-04 01:14	< 1 min	0.1177330	0.1177299	0.0000010
MERCURY	2058-03-02 00:12	< 1 min	0.0323817	0.0323793	0.0000008
EARTH	2060-03-10 02:59	< 1 min	0.1641074	0.1641055	0.0000006
EARTH	2061-02-01 17:17	< 1 min	0.0844922	0.0844883	0.0000013
EARTH	2065-03-08 04:27	< 1 min	0.1803009	0.1802989	0.0000007
EARTH	2066-02-01 03:07	< 1 min	0.0516345	0.0516304	0.0000014
VENUS	2068-10-16 12:45	< 1 min	0.0466953	0.0466880	0.0000024
EARTH	2070-03-06 00:29	< 1 min	0.1944224	0.1944207	0.0000006
EARTH	2071-02-01 03:44	< 1 s	0.0278273	0.0278260	0.0000004
MERCURY	2074-04-21 08:27	< 1 min	0.0337005	0.0336949	0.0000019
EARTH	2076-02-01 15:44	< 1 min	0.0414938	0.0414888	0.0000017
VENUS	2080-06-24 13:14	< 1 min	0.0371624	0.0371524	0.0000033
EARTH	2081-02-01 17:11	< 1 min	0.0837651	0.0837578	0.0000024
EARTH	2086-02-03 11:51	< 1 min	0.1406498	0.1406431	0.0000022
EARTH	2091-02-05 16:51	< 1 min	0.1997474	0.1997418	0.0000019
EARTH	2094-03-12 19:51	< 1 min	0.1675181	0.1675154	0.0000009
EARTH	2099-03-14 00:12	< 1 s	0.1409870	0.1409861	0.0000003
EARTH	2100-02-11 05:31	< 1 min	0.1859167	0.1859155	0.0000004
EARTH	2104-03-14 07:48	< 1 s	0.1348709	0.1348706	0.0000001
EARTH	2105-02-07 18:57	< 1 min	0.1573282	0.1573275	0.0000002
EARTH	2109-03-13 13:49	< 1 s	0.1461788	0.1461785	0.0000001
EARTH	2110-02-05 00:33	< 1 s	0.1207800	0.1207798	0.0000001
EARTH	2114-03-11 20:13	< 1 min	0.1650994	0.1650989	0.0000002
EARTH	2115-02-03 09:38	< 1 s	0.0815957	0.0815946	0.0000004
EARTH	2119-03-09 09:19	< 1 min	0.1846134	0.1846126	0.0000003
EARTH	2120-02-02 19:01	< 1 s	0.0426357	0.0426341	0.0000005
EARTH	2124-03-05 17:29	< 1 min	0.1996252	0.1996244	0.0000003
EARTH	2125-02-01 23:52	< 1 s	0.0291264	0.0291257	0.0000002

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
126.50984108	28.73933754	0.02581359	MINIMUM
230.32039210	69.24442135	0.13551278	MINIMUM
182.90988661	50.73592281	0.22027877	SADDLE
357.07989292	226.68626988	0.84543298	SADDLE
356.99497755	46.34639106	1.15450052	SADDLE
179.16939971	229.34890153	2.19567550	MAXIMUM

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MOID Plots

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