Asteroids

481482 2007CA19 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.499

Aphelion (Q)

5.112

Eccentricity (e)

0.822

Inclination (i)

9.6

deg

Orbit period (P)

1716.4

Earth MOID

0.01945

U parameter

0.0

Next Earth close approach

Date

2102-10-02

Nominal distance (from Earth center)

0.129

19297962

Maximum Brightness

16.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.6

mag

Diameter

800 - 1800*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2007-02-10

Observatory

University of Arizona Catalina Sky 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.805554

1-sigma variation

1.260E-8

Unit

Eccentricity (e)

Value

0.822107

1-sigma variation

2.326E-8

Unit

Inclination (i)

Value

9.6225

1-sigma variation

6.439E-6

Unit

Long. of Ascending Node (Ω)

Value

169.7596

1-sigma variation

2.304E-5

Unit

Arg. of Perihelion (ω)

Value

102.8220

1-sigma variation

2.341E-5

Unit

Mean Anomaly (M)

Value

21.93380

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.499089

1-sigma variation

Unit

Aphelion distance

Value

5.112019

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.119150

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.237724

1-sigma variation

Unit

MOID

Value

0.019447

1-sigma variation

Unit

Orbit Period

Value

1716.4310

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.58744E-16	1.42899E-16	-3.95742E-14	2.15169E-14	1.72434E-14	-8.58859E-14
e	1.42899E-16	5.41112E-16	1.65876E-15	-2.45690E-14	9.74926E-14	-8.22844E-14
i	-3.95742E-14	1.65876E-15	4.14663E-11	-3.85713E-11	3.25269E-11	1.61749E-11
Ω	2.15169E-14	-2.45690E-14	-3.85713E-11	5.30988E-10	-5.22464E-10	-7.56682E-12
ω	1.72434E-14	9.74926E-14	3.25269E-11	-5.22464E-10	5.48232E-10	-1.94112E-11
M	-8.58859E-14	-8.22844E-14	1.61749E-11	-7.56682E-12	-1.94112E-11	5.53539E-11

Date of computation: 2026-06-04 23:11 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

17.563

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

800 - 1800*

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

[-]

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Sources

No.	Name	Additional
[1]	ESA Aegis	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

5409

Unit

Source

[1]

Unobserved

Value

1690

Unit

Source

[1]

Normalized RMS of residuals

Value

0.491061

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2007-02-10.26806

Unit

Source

[2]

Last Observation

Value

2021-12-02.211803

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

633 (4)

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

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

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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 481482 2007CA19 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	1951-03-16 09:57	< 1 min	0.0514561	0.0514552	0.0000003
MARS	2102-05-19 19:01	< 1 min	0.0448052	0.0447965	0.0000029
EARTH	2102-10-02 04:40	< 1 min	0.1289989	0.1289874	0.0000038

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
321.55017093	73.95231578	0.01927268	MINIMUM
38.11011223	267.76931703	0.05405568	MINIMUM
359.78131639	170.40322098	0.53178197	SADDLE
0.04396566	351.29649203	1.47843492	SADDLE
179.96179583	351.47014721	4.14515239	SADDLE
180.06076140	171.50234788	6.11926007	MAXIMUM

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MOID Plots

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