Asteroids

2006XP4 help

Last update: 2024-04-19 00:31 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.686

Aphelion (Q)

1.060

Eccentricity (e)

0.214

Inclination (i)

0.5

deg

Orbit period (P)

297.7

Earth MOID

0.00442

U parameter

0.8

Next Earth close approach

Date

2028-12-12

Nominal distance (from Earth center)

0.06588

9854944

Maximum Brightness

19.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

23.9

mag

Diameter

40 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2006-12-14

Observatory

Mt. Lemmon 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

0.872581

1-sigma variation

7.915E-9

Unit

Eccentricity (e)

Value

0.214272

1-sigma variation

1.767E-7

Unit

Inclination (i)

Value

0.5163

1-sigma variation

6.602E-6

Unit

Long. of Ascending Node (Ω)

Value

293.0237

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

346.9710

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

235.82086

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.685611

1-sigma variation

Unit

Aphelion distance

Value

1.059551

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.327373

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.068703

1-sigma variation

Unit

MOID

Value

0.004420

1-sigma variation

Unit

Orbit Period

Value

297.7193

1-sigma variation

Unit

U parameter

Value

0.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.26530E-17	1.02744E-15	9.99783E-15	-1.03184E-13	-3.60488E-14	3.72272E-13
e	1.02744E-15	3.12292E-14	2.36624E-13	2.53253E-13	-1.44852E-12	8.03327E-12
i	9.99783E-15	2.36624E-13	4.35870E-11	-1.16870E-9	1.16037E-9	7.19697E-11
Ω	-1.03184E-13	2.53253E-13	-1.16870E-9	5.78269E-8	-5.78432E-8	-1.31738E-10
ω	-3.60488E-14	-1.44852E-12	1.16037E-9	-5.78432E-8	5.91381E-8	-1.20700E-9
M	3.72272E-13	8.03327E-12	7.19697E-11	-1.31738E-10	-1.20700E-9	2.96347E-9

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

23.931

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

40 - 100*

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

4773

Unit

Source

[1]

Unobserved

Value

1563

Unit

Source

[1]

Normalized RMS of residuals

Value

0.637846

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2006-12-14.48509

Unit

Source

[2]

Last Observation

Value

2020-01-08.16924

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

153 (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

[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 2006XP4 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	1950-02-12 21:18	< 1 min	0.1977215	0.1976358	0.0000286
VENUS	1950-06-03 04:25	9.9	0.0449875	0.0449863	0.0000004
EARTH	1954-02-12 08:49	< 1 min	0.0033354	0.0033334	0.0000007
EARTH	1957-11-19 23:50	< 1 min	0.1939423	0.1939364	0.0000020
EARTH	1963-02-14 07:32	< 1 min	0.1277792	0.1277691	0.0000034
EARTH	1966-11-18 00:17	< 1 min	0.0540343	0.0540235	0.0000036
EARTH	1975-11-22 22:31	< 1 min	0.0210065	0.0210036	0.0000009
VENUS	1983-01-05 03:20	< 1 min	0.0423286	0.0423284	0.0000001
EARTH	1985-01-14 06:10	< 1 min	0.0727512	0.0727505	0.0000002
VENUS	1985-05-21 15:04	< 1 min	0.0409635	0.0409628	0.0000002
VENUS	1987-10-15 14:46	< 1 min	0.0233125	0.0233122	0.0000001
EARTH	1994-02-14 00:42	< 1 min	0.0638760	0.0638739	0.0000007
EARTH	1997-11-17 18:19	< 1 min	0.0583164	0.0583155	0.0000003
EARTH	2007-01-09 18:38	< 1 min	0.0735385	0.0735381	0.0000001
VENUS	2015-08-11 06:34	< 1 min	0.0430745	0.0430742	0.0000001
EARTH	2016-02-15 00:52	< 1 min	0.0640163	0.0640155	0.0000003
VENUS	2017-12-18 16:31	< 1 min	0.0315009	0.0315003	0.0000002
EARTH	2019-11-17 23:42	< 1 min	0.1064462	0.1064432	0.0000010
EARTH	2028-12-12 23:45	< 1 min	0.0658762	0.0658754	0.0000003
EARTH	2038-02-13 21:36	< 1 min	0.0422612	0.0422580	0.0000011
EARTH	2041-11-17 21:58	< 1 min	0.0616689	0.0616681	0.0000003
VENUS	2045-10-01 06:36	< 1 min	0.0444595	0.0444590	0.0000002
VENUS	2048-02-04 23:10	< 1 min	0.0246458	0.0246439	0.0000006
EARTH	2051-01-03 18:42	2.0	0.0762760	0.0762756	0.0000001
EARTH	2060-02-14 11:26	< 1 min	0.0918128	0.0918001	0.0000042
EARTH	2063-11-18 11:33	< 1 min	0.0358140	0.0358025	0.0000038
EARTH	2072-12-21 14:59	7.6	0.0740000	0.0739939	0.0000020
EARTH	2073-03-28 05:27	22.4	0.1991837	0.1991583	0.0000085
VENUS	2078-05-19 11:40	3.9	0.0473204	0.0473023	0.0000060
VENUS	2080-10-14 15:54	13.9	0.0462736	0.0462716	0.0000007
EARTH	2082-01-25 01:53	11.5	0.0620166	0.0619872	0.0000098
VENUS	2083-03-09 21:50	14.8	0.0354200	0.0353911	0.0000096
VENUS	2085-08-11 19:07	6.2	0.0189645	0.0189588	0.0000019
VENUS	2088-01-20 02:29	8.0	0.0471936	0.0470342	0.0000531
EARTH	2091-02-04 20:43	23.1	0.0383663	0.0382278	0.0000462
EARTH	2100-02-13 16:33	2.6	0.0244430	0.0243242	0.0000396
EARTH	2103-11-19 07:31	< 1 min	0.1130534	0.1129554	0.0000327
EARTH	2112-12-22 01:31	134.8	0.0728207	0.0727048	0.0000387
EARTH	2113-03-27 16:49	402.7	0.1982490	0.1978044	0.0001482
VENUS	2120-10-06 11:31	164.5	0.0473012	0.0472769	0.0000085
EARTH	2122-02-14 01:01	15.6	0.0168223	0.0163200	0.0001678
VENUS	2123-02-15 09:09	9.8	0.0294160	0.0294035	0.0000042

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