Asteroids

381906 2010CL19 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.547

Aphelion (Q)

2.539

Eccentricity (e)

0.646

Inclination (i)

7.3

deg

Orbit period (P)

700.2

Earth MOID

0.01134

U parameter

0.0

Next Earth close approach

Date

2036-11-22

Nominal distance (from Earth center)

0.0409

6119005

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.8

mag

Diameter

500

Taxonomic type

Rotation period (T)

3.160

Discovery Information

Discovery Date

2010-02-13

Observatory

Mt. Lemmon 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

1.543123

1-sigma variation

5.690E-9

Unit

Eccentricity (e)

Value

0.645639

1-sigma variation

1.752E-8

Unit

Inclination (i)

Value

7.3112

1-sigma variation

3.430E-6

Unit

Long. of Ascending Node (Ω)

Value

243.7680

1-sigma variation

1.672E-5

Unit

Arg. of Perihelion (ω)

Value

76.8326

1-sigma variation

1.696E-5

Unit

Mean Anomaly (M)

Value

116.79119

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.546823

1-sigma variation

Unit

Aphelion distance

Value

2.539423

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.230153

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.068350

1-sigma variation

Unit

MOID

Value

0.011337

1-sigma variation

Unit

Orbit Period

Value

700.1632

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.23799E-17	-6.11754E-17	1.54641E-15	6.11597E-15	3.64053E-15	-7.07061E-14
e	-6.11754E-17	3.07000E-16	1.64167E-16	-2.97026E-14	-1.57386E-14	1.28851E-13
i	1.54641E-15	1.64167E-16	1.17655E-11	-5.71084E-12	6.01619E-12	-3.76663E-12
Ω	6.11597E-15	-2.97026E-14	-5.71084E-12	2.79582E-10	-2.80010E-10	-1.04093E-11
ω	3.64053E-15	-1.57386E-14	6.01619E-12	-2.80010E-10	2.87594E-10	-1.10929E-11
M	-7.07061E-14	1.28851E-13	-3.76663E-12	-1.04093E-11	-1.10929E-11	1.56781E-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

3.160

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

0.39

Unit

mag

Source

[1]

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

17.754

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.45

Unit

Source

[3]

Diameter

Value

500

Unit

Source

[3]

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

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Warner, B.D. (2014) MPB 41,113-124. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2013 SEPTEMBER-DECEMBER)(LCs of 36 NEAs)
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Nugent, C.R. et al. (2016) Astron. J. 152_63 (12pp) (NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos) (207 NEOs)
[4]	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

8753

Unit

Source

[1]

Unobserved

Value

296

Unit

Source

[1]

Normalized RMS of residuals

Value

0.464957

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2001-01-25.55076

Unit

Source

[2]

Last Observation

Value

2025-01-12.36134

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1114 (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

2013-12-04

Unit

Source

[3]

Last Observation

Value

2013-12-06

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

2 (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 381906 2010CL19 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	1952-05-10 05:30	< 1 min	0.1526295	0.1526194	0.0000034
VENUS	1961-12-23 19:57	< 1 min	0.0131514	0.0131488	0.0000009
EARTH	1975-04-29 07:51	< 1 min	0.0797643	0.0797616	0.0000009
EARTH	1990-11-29 11:15	< 1 min	0.1755508	0.1755484	0.0000008
EARTH	1998-04-23 11:32	< 1 min	0.1846039	0.1846021	0.0000006
EARTH	2013-11-25 15:43	< 1 s	0.0966040	0.0966039	0.0000000
EARTH	2036-11-22 22:55	< 1 min	0.0409030	0.0409019	0.0000004
EARTH	2059-11-25 17:52	< 1 min	0.0795328	0.0795292	0.0000012
EARTH	2090-04-29 17:28	< 1 min	0.0817230	0.0817219	0.0000003
EARTH	2113-05-04 19:00	< 1 min	0.0458040	0.0458033	0.0000002

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
56.27683177	317.13258409	0.01140114	MINIMUM
303.10599313	118.87001413	0.04875912	MINIMUM
359.30201328	217.80556073	0.47488612	SADDLE
358.96886395	37.03711315	1.53122188	SADDLE
179.89416852	37.97454647	1.56413154	SADDLE
179.65665802	217.85821847	3.54602908	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out