Asteroids

153201 2000WO107 help

Last update: 2026-07-30 09:40 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.200

Aphelion (Q)

1.623

Eccentricity (e)

0.781

Inclination (i)

7.8

deg

Orbit period (P)

317.7

Earth MOID

0.00280

U parameter

0.0

Next Earth close approach

Date

2031-02-06

Nominal distance (from Earth center)

0.12881

19270118

Maximum Brightness

18.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.2

mag

Diameter

510

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2000-11-29

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.911161

1-sigma variation

7.753E-10

Unit

Eccentricity (e)

Value

0.780799

1-sigma variation

1.861E-8

Unit

Inclination (i)

Value

7.7659

1-sigma variation

4.029E-6

Unit

Long. of Ascending Node (Ω)

Value

69.1822

1-sigma variation

5.352E-6

Unit

Arg. of Perihelion (ω)

Value

213.7711

1-sigma variation

5.579E-6

Unit

Mean Anomaly (M)

Value

179.43153

1-sigma variation

3.365E-6

Unit

Perihelion distance

Value

0.199728

1-sigma variation

Unit

Aphelion distance

Value

1.622595

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.026423

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.797986

1-sigma variation

Unit

MOID

Value

0.002803

1-sigma variation

Unit

Orbit Period

Value

317.6811

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.01048E-19	2.30737E-19	1.74418E-16	2.42152E-16	-2.34820E-16	-2.37113E-15
e	2.30737E-19	3.46353E-16	4.30638E-15	-7.67119E-15	-1.84995E-14	-2.69576E-14
i	1.74418E-16	4.30638E-15	1.62346E-11	5.35877E-12	-5.91771E-12	-6.66014E-13
Ω	2.42152E-16	-7.67119E-15	5.35877E-12	2.86396E-11	-2.88820E-11	4.27070E-14
ω	-2.34820E-16	-1.84995E-14	-5.91771E-12	-2.88820E-11	3.11298E-11	1.88182E-12
M	-2.37113E-15	-2.69576E-14	-6.66014E-13	4.27070E-14	1.88182E-12	1.13265E-11

Date of computation: 2026-07-30 09:40 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

[1]

[2]

Taxonomy (all)

Value

Unit

Source

[1]

[3]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.244

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.129

Unit

Source

[5]

Diameter

Value

510

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Visual S

Unit

Source

[1]

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Sources

No.	Name	Additional
[1]	EARN	1.) Binzel, R.P. et al. (2004) Icarus 170, 259-294. (Observed spectral properties of near-Earth objects: results for population distribution, source regions, and space weathering processes.)
[2]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[3]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs) 2.) Nugent, C.R. et al. (2016) Astron. J. 152_63 (12pp) (NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos) (207 NEOs) 3.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012. 4.) Mainzer, A.; Grav, T.; Masiero, J.; Bauer, J.; et al. (2012) Astrophys. J. Let. 760, L12.

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

8479

Unit

Source

[1]

Unobserved

Value

905

Unit

Source

[1]

Normalized RMS of residuals

Value

0.502268

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2000-11-29.39177

Unit

Source

[2]

Last Observation

Value

2024-02-16.127498

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1136 (8)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2020-11-27

Unit

Source

[3]

Last Observation

Value

2020-12-01

Unit

Source

[3]

Delay (Discarded)

Value

4 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

4 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

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Computation parameters

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Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 153201 2000WO107 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1953-11-29 22:06	< 1 min	0.0064979	0.0064960	0.0000006
MERCURY	1963-05-01 09:34	< 1 min	0.0287808	0.0287689	0.0000040
EARTH	1964-02-07 21:40	< 1 min	0.1269483	0.1269466	0.0000006
VENUS	1967-10-16 00:44	< 1 min	0.0440594	0.0440470	0.0000041
EARTH	1973-12-01 17:33	< 1 min	0.0580354	0.0580255	0.0000033
MERCURY	1978-03-05 03:30	< 1 min	0.0367104	0.0366955	0.0000049
MERCURY	1978-12-27 11:59	< 1 min	0.0203145	0.0203059	0.0000029
EARTH	1980-11-26 18:30	< 1 s	0.1613062	0.1612996	0.0000022
EARTH	1984-02-09 03:53	< 1 min	0.1447860	0.1447834	0.0000009
EARTH	1991-02-02 02:23	< 1 min	0.1920038	0.1920027	0.0000004
VENUS	1993-01-06 03:19	< 1 s	0.0102236	0.0102235	0.0000000
MERCURY	1993-10-31 19:34	< 1 s	0.0331017	0.0331007	0.0000003
EARTH	1993-12-03 21:40	< 1 s	0.1168490	0.1168485	0.0000002
EARTH	2000-11-27 15:35	< 1 s	0.0951066	0.0951062	0.0000001
EARTH	2004-02-10 08:08	< 1 s	0.1896145	0.1896142	0.0000001
MERCURY	2005-12-17 14:16	< 1 s	0.0155252	0.0155250	0.0000000
EARTH	2011-02-04 19:42	< 1 s	0.1461874	0.1461872	0.0000001
EARTH	2013-12-06 18:04	< 1 s	0.1873762	0.1873761	0.0000000
MERCURY	2020-10-22 06:43	< 1 s	0.0292846	0.0292845	0.0000000
EARTH	2020-11-29 05:07	< 1 s	0.0287630	0.0287630	0.0000000
EARTH	2031-02-06 08:04	< 1 s	0.1288128	0.1288126	0.0000001
MERCURY	2036-06-17 20:44	< 1 s	0.0164301	0.0164298	0.0000001
MERCURY	2037-04-11 02:13	< 1 s	0.0486803	0.0486797	0.0000002
EARTH	2040-11-29 12:48	< 1 s	0.0211485	0.0211481	0.0000001
VENUS	2043-06-20 05:19	< 1 s	0.0493193	0.0493190	0.0000001
EARTH	2051-02-05 12:19	< 1 s	0.1387388	0.1387386	0.0000001
MERCURY	2052-12-03 15:33	< 1 s	0.0375857	0.0375850	0.0000002
EARTH	2053-12-06 21:34	< 1 s	0.1848374	0.1848369	0.0000002
MERCURY	2056-06-14 23:47	< 1 s	0.0380274	0.0380262	0.0000004
EARTH	2060-11-28 09:41	< 1 s	0.0753810	0.0753801	0.0000003
EARTH	2064-02-10 14:52	< 1 s	0.1881456	0.1881449	0.0000002
EARTH	2071-02-03 05:31	< 1 min	0.1786617	0.1786609	0.0000003
EARTH	2073-12-04 07:48	< 1 min	0.1133514	0.1133503	0.0000004
MERCURY	2076-06-10 12:23	< 1 min	0.0136505	0.0136502	0.0000001
MERCURY	2077-04-03 12:16	< 1 min	0.0351082	0.0351065	0.0000006
EARTH	2080-11-27 11:15	< 1 s	0.1551688	0.1551675	0.0000004
VENUS	2083-06-13 01:16	< 1 min	0.0353019	0.0353000	0.0000006
EARTH	2084-02-09 07:30	< 1 s	0.1361191	0.1361185	0.0000002
EARTH	2093-11-30 22:51	< 1 min	0.0082988	0.0082975	0.0000004
MERCURY	2097-03-30 02:15	< 1 min	0.0147738	0.0147726	0.0000004
VENUS	2098-03-21 08:05	< 1 min	0.0416637	0.0416562	0.0000025
EARTH	2100-11-28 11:52	< 1 s	0.1877032	0.1876938	0.0000031
EARTH	2104-02-10 18:33	< 1 min	0.1383046	0.1382983	0.0000021
MERCURY	2108-07-25 05:53	< 1 min	0.0184962	0.0184743	0.0000073
VENUS	2108-09-02 20:23	< 1 min	0.0334787	0.0334536	0.0000084
EARTH	2111-02-04 03:09	< 1 min	0.1886438	0.1886288	0.0000050
EARTH	2113-12-06 00:25	< 1 min	0.1253767	0.1253571	0.0000065
EARTH	2120-11-29 14:42	< 1 min	0.0849664	0.0849509	0.0000052
MERCURY	2123-05-31 12:52	< 1 min	0.0413825	0.0413573	0.0000084
EARTH	2124-02-12 05:55	< 1 min	0.1975147	0.1975052	0.0000032

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
96.11658567	324.12748486	0.00280349	MINIMUM
264.18070204	33.00894594	0.12446307	MINIMUM
180.60799053	358.53283356	0.64614402	SADDLE
0.51213739	179.73772397	0.81784777	SADDLE
0.37337686	359.30901262	1.18275516	SADDLE
179.86482560	178.27623907	2.63766843	MAXIMUM

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MOID Plots

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