Asteroids

2010XG11 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.135

Aphelion (Q)

2.174

Eccentricity (e)

0.314

Inclination (i)

25.1

deg

Orbit period (P)

777.1

Earth MOID

0.35446

U parameter

0.8

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

270 - 600*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2010-12-05

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

1.654212

1-sigma variation

2.176E-8

Unit

Eccentricity (e)

Value

0.314004

1-sigma variation

7.694E-8

Unit

Inclination (i)

Value

25.1300

1-sigma variation

4.539E-5

Unit

Long. of Ascending Node (Ω)

Value

255.9879

1-sigma variation

1.407E-5

Unit

Arg. of Perihelion (ω)

Value

87.8568

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

152.59584

1-sigma variation

0.00011

Unit

Perihelion distance

Value

1.134783

1-sigma variation

Unit

Aphelion distance

Value

2.173642

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.458963

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.523448

1-sigma variation

Unit

MOID

Value

0.354465

1-sigma variation

Unit

Orbit Period

Value

777.1150

1-sigma variation

Unit

U parameter

Value

0.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.73657E-16	1.52014E-15	1.46672E-13	-1.18844E-13	1.95405E-12	-2.29422E-12
e	1.52014E-15	5.92004E-15	4.03438E-13	-3.83247E-13	6.82744E-12	-7.82524E-12
i	1.46672E-13	4.03438E-13	2.06012E-9	-1.72052E-11	6.79263E-10	-7.98029E-10
Ω	-1.18844E-13	-3.83247E-13	-1.72052E-11	1.97844E-10	-7.05060E-10	6.37053E-10
ω	1.95405E-12	6.82744E-12	6.79263E-10	-7.05060E-10	9.68046E-9	-1.08771E-8
M	-2.29422E-12	-7.82524E-12	-7.98029E-10	6.37053E-10	-1.08771E-8	1.24847E-8

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

19.986

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

270 - 600*

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

11109

Unit

Source

[1]

Unobserved

Value

215

Unit

Source

[1]

Normalized RMS of residuals

Value

0.506968

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1995-07-01.19899

Unit

Source

[2]

Last Observation

Value

2025-11-29.519191

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

82 (0)

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:*

* - 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 2010XG11 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
MARS	1965-09-04 09:57	< 1 min	0.0210992	0.0210915	0.0000026
MARS	2014-07-29 18:44	< 1 min	0.0080532	0.0080526	0.0000002
MARS	2049-04-07 08:48	< 1 min	0.0347556	0.0347510	0.0000016

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
312.86941825	178.12911390	0.35358727	MINIMUM
46.16382664	306.67662129	0.39373647	MINIMUM
2.22071867	246.58798180	0.48262555	SADDLE
179.99707764	61.85909659	1.34241744	SADDLE
358.66165327	61.09545889	2.07698647	SADDLE
178.00291076	240.26741109	3.11667938	MAXIMUM

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MOID Plots

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