Asteroids

363067 2000CO101 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.979

Aphelion (Q)

1.173

Eccentricity (e)

0.090

Inclination (i)

15.3

deg

Orbit period (P)

407.9

Earth MOID

0.02180

U parameter

0.0

Next Earth close approach

Date

2028-09-15

Nominal distance (from Earth center)

0.06081

9097460

Maximum Brightness

15.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.1

mag

Diameter

560

Taxonomic type

Rotation period (T)

5.120

Discovery Information

Discovery Date

2000-02-08

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.076386

1-sigma variation

1.107E-9

Unit

Eccentricity (e)

Value

0.090080

1-sigma variation

1.227E-8

Unit

Inclination (i)

Value

15.3216

1-sigma variation

5.987E-6

Unit

Long. of Ascending Node (Ω)

Value

353.0248

1-sigma variation

2.060E-6

Unit

Arg. of Perihelion (ω)

Value

64.9559

1-sigma variation

1.161E-5

Unit

Mean Anomaly (M)

Value

118.30567

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.979425

1-sigma variation

Unit

Aphelion distance

Value

1.173346

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.022422

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.114824

1-sigma variation

Unit

MOID

Value

0.021801

1-sigma variation

Unit

Orbit Period

Value

407.8967

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.22609E-18	7.18370E-19	1.74707E-16	2.16339E-17	-1.44911E-15	-8.34733E-15
e	7.18370E-19	1.50455E-16	-8.02008E-18	-4.68007E-15	-4.37270E-14	5.00185E-14
i	1.74707E-16	-8.02008E-18	3.58391E-11	1.07293E-11	-2.11515E-11	6.40425E-12
Ω	2.16339E-17	-4.68007E-15	1.07293E-11	4.24419E-12	-3.28727E-12	-1.86985E-12
ω	-1.44911E-15	-4.37270E-14	-2.11515E-11	-3.28727E-12	1.34698E-10	-1.05485E-10
M	-8.34733E-15	5.00185E-14	6.40425E-12	-1.86985E-12	-1.05485E-10	1.62881E-10

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

5.120

Unit

Source

[3]

Quality

Value

B,R

Unit

Source

[3]

[10]

Amplitude

Value

0.1

Unit

mag

Source

[3]

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]

Taxonomy (all)

Value

Xk;X

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

19.087

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.11

Unit

Source

[7]

Diameter

Value

560

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

Radar R

Unit

Source

[2]

[8]

Satellites

Satellites

Value

Unit

Source

Satellites

Value

Binary Child 1

Unit

Source

[9]

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Sources

No.	Name	Additional
[1]	EARN	1.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[2]	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.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[3]	EARN	1.) Warner, B.D. (2010) Minor Planet Bul. 37, 112-118.
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Taylor, P.A. et al. (2009) CBET HREF="http://www.cbat.eps.harvard.edu/iau/cbet/001900/CBET001957.txt"> 1957. (2000 CO_101)) (binary nature revealed) 2.) Jimenez, N. et al. (2010) DPS 42, 1318. (abstract) (Radar Shape Modeling of Binary Near-Earth Asteroid 2000 CO101) 3.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[6]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)
[7]	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.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs) 3.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[8]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage 2.) Taylor, P.A. et al. (2009) CBET HREF="http://www.cbat.eps.harvard.edu/iau/cbet/001900/CBET001957.txt"> 1957. (2000 CO_101)) (binary nature revealed) 3.) Jimenez, N. et al. (2010) DPS 42, 1318. (abstract) (Radar Shape Modeling of Binary Near-Earth Asteroid 2000 CO101)
[9]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[10]	EARN	1.) Taylor, P.A. et al. (2009) CBET HREF="http://www.cbat.eps.harvard.edu/iau/cbet/001900/CBET001957.txt"> 1957. (2000 CO_101)) (binary nature revealed) 2.) Jimenez, N. et al. (2010) DPS 42, 1318. (abstract) (Radar Shape Modeling of Binary Near-Earth Asteroid 2000 CO101)

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

7383

Unit

Source

[1]

Unobserved

Value

2022

Unit

Source

[1]

Normalized RMS of residuals

Value

0.548348

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2000-02-04.44583

Unit

Source

[2]

Last Observation

Value

2020-04-22.1469

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1151 (9)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2009-09-18

Unit

Source

[3]

Last Observation

Value

2009-09-21

Unit

Source

[3]

Delay (Discarded)

Value

6 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

6 (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 363067 2000CO101 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	1951-09-20 03:13	< 1 s	0.1972303	0.1972295	0.0000003
EARTH	1970-09-14 04:36	< 1 s	0.1116702	0.1116700	0.0000001
EARTH	1971-03-13 22:07	< 1 s	0.1258983	0.1258982	0.0000000
EARTH	1980-09-17 18:14	< 1 s	0.0477324	0.0477317	0.0000002
EARTH	1981-03-02 14:14	< 1 min	0.1269970	0.1269966	0.0000001
EARTH	1999-09-12 00:45	< 1 s	0.1849734	0.1849730	0.0000001
EARTH	2000-03-19 10:15	< 1 min	0.1622825	0.1622823	0.0000001
EARTH	2009-09-17 22:57	< 1 s	0.0458133	0.0458133	0.0000000
EARTH	2010-03-02 17:49	< 1 s	0.1276964	0.1276963	0.0000000
EARTH	2028-09-15 08:18	< 1 s	0.0608128	0.0608122	0.0000002
EARTH	2029-03-09 04:17	< 1 min	0.1114362	0.1114361	0.0000000
EARTH	2038-09-19 18:00	< 1 s	0.1844103	0.1844098	0.0000001
EARTH	2057-09-16 18:57	< 1 s	0.0252175	0.0252174	0.0000000
EARTH	2058-03-06 18:13	< 1 s	0.1082574	0.1082573	0.0000000
EARTH	2067-09-19 20:11	< 1 s	0.1589006	0.1588990	0.0000005
EARTH	2068-02-26 04:21	< 1 min	0.1934169	0.1934157	0.0000004
EARTH	2086-09-13 04:43	< 1 min	0.1481220	0.1481191	0.0000010
EARTH	2087-03-17 06:51	< 1 min	0.1444650	0.1444634	0.0000005
EARTH	2096-09-17 06:51	< 1 min	0.0307108	0.0307089	0.0000006
EARTH	2097-03-04 05:59	< 1 min	0.1161938	0.1161928	0.0000003
EARTH	2115-09-14 00:30	< 1 min	0.1610642	0.1610590	0.0000017
EARTH	2116-03-18 13:31	< 1 min	0.1515780	0.1515751	0.0000010
EARTH	2125-09-19 16:26	< 1 min	0.0859721	0.0859674	0.0000016

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
300.71328318	252.76542439	0.02268217	MINIMUM
103.36486443	63.58357469	0.11084989	MINIMUM
23.84185404	342.12521586	0.26295225	SADDLE
201.43590990	154.83644518	0.32633442	SADDLE
1.19144095	136.98209714	1.97639663	SADDLE
161.42934300	297.02363522	2.15015447	MAXIMUM

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MOID Plots

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