Asteroids

2010WR7 help

Last update: 2025-12-18 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.800

Aphelion (Q)

1.293

Eccentricity (e)

0.236

Inclination (i)

1.6

deg

Orbit period (P)

391.0

Earth MOID

0.02529

U parameter

0.0

Next Earth close approach

Date

2027-03-28

Nominal distance (from Earth center)

0.1974

29531264

Maximum Brightness

57.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.3

mag

Diameter

60 - 130*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2010-11-27

Observatory

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.046473

1-sigma variation

1.177E-9

Unit

Eccentricity (e)

Value

0.235572

1-sigma variation

9.475E-8

Unit

Inclination (i)

Value

1.5615

1-sigma variation

5.643E-6

Unit

Long. of Ascending Node (Ω)

Value

20.4410

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

159.1765

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

270.83425

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.799953

1-sigma variation

Unit

Aphelion distance

Value

1.292994

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.269780

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.193303

1-sigma variation

Unit

MOID

Value

0.025288

1-sigma variation

Unit

Orbit Period

Value

391.0125

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.38581E-18	3.33087E-17	-2.13263E-15	-3.41151E-14	2.33096E-14	1.09970E-14
e	3.33087E-17	8.97708E-15	-1.16842E-14	-1.44220E-12	2.23372E-12	2.68346E-13
i	-2.13263E-15	-1.16842E-14	3.18460E-11	1.40160E-9	-1.37151E-9	-2.04212E-11
Ω	-3.41151E-14	-1.44220E-12	1.40160E-9	7.69956E-8	-7.65953E-8	-3.08173E-10
ω	2.33096E-14	2.23372E-12	-1.37151E-9	-7.65953E-8	7.64846E-8	1.62529E-10
M	1.09970E-14	2.68346E-13	-2.04212E-11	-3.08173E-10	1.62529E-10	1.43922E-10

Date of computation: 2025-12-18 13:01 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

23.289

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

60 - 130*

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

[-]

Download this part as:

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

5499

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.653198

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-11-27.39917

Unit

Source

[2]

Last Observation

Value

2025-12-17.600485

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

101 (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

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 2010WR7 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	1950-03-10 02:43	< 1 min	0.1920888	0.1920885	0.0000001
EARTH	1951-06-26 22:36	< 1 min	0.0330211	0.0330203	0.0000003
EARTH	1965-01-12 03:26	< 1 min	0.1183081	0.1183072	0.0000003
EARTH	1966-05-03 01:35	< 1 min	0.1702974	0.1702970	0.0000001
EARTH	1966-07-30 00:16	< 1 min	0.1965738	0.1965733	0.0000002
EARTH	1979-12-19 20:34	< 1 min	0.0629589	0.0629579	0.0000003
EARTH	1981-03-23 20:31	< 1 min	0.1976217	0.1976214	0.0000001
EARTH	1982-06-30 00:01	< 1 min	0.0438106	0.0438103	0.0000001
EARTH	1996-02-22 02:44	< 1 min	0.1767944	0.1767941	0.0000001
EARTH	1997-06-18 19:06	< 1 min	0.0959732	0.0959723	0.0000003
EARTH	2010-12-26 13:42	< 1 min	0.0685885	0.0685881	0.0000001
EARTH	2012-04-21 06:24	< 1 min	0.1836388	0.1836383	0.0000002
EARTH	2013-07-06 07:41	< 1 min	0.1750282	0.1750271	0.0000004
EARTH	2025-12-20 11:54	< 1 min	0.0496444	0.0496442	0.0000001
EARTH	2027-03-28 11:17	< 1 min	0.1974043	0.1974040	0.0000001
EARTH	2028-06-30 22:51	< 1 min	0.0607665	0.0607655	0.0000003
EARTH	2040-12-13 14:27	< 1 min	0.1991546	0.1991532	0.0000005
EARTH	2042-02-24 04:47	< 1 min	0.1792641	0.1792635	0.0000002
EARTH	2043-06-21 13:43	< 1 min	0.0886726	0.0886722	0.0000001
EARTH	2056-12-25 17:45	< 1 min	0.0598979	0.0598958	0.0000007
EARTH	2058-04-19 13:49	< 1 min	0.1860074	0.1860073	0.0000000
EARTH	2059-07-06 16:41	< 1 min	0.1640612	0.1640606	0.0000002
EARTH	2071-12-20 02:55	< 1 min	0.0736081	0.0736076	0.0000002
EARTH	2073-03-23 02:42	< 1 min	0.1969199	0.1969196	0.0000001
EARTH	2074-06-30 13:25	< 1 min	0.0440577	0.0440563	0.0000005
EARTH	2086-12-16 20:57	< 1 min	0.1473815	0.1473809	0.0000002
EARTH	2088-03-08 21:00	< 1 min	0.1904948	0.1904946	0.0000001
EARTH	2089-06-27 04:15	< 1 min	0.0367231	0.0367225	0.0000002
EARTH	2103-01-19 17:34	< 1 min	0.1246036	0.1246026	0.0000003
EARTH	2104-05-07 14:38	< 1 min	0.1662511	0.1662507	0.0000001
EARTH	2104-07-28 23:14	< 1 min	0.1896495	0.1896491	0.0000002
EARTH	2117-12-21 16:23	< 1 min	0.0575873	0.0575859	0.0000005
EARTH	2119-03-27 02:37	< 1 min	0.1973826	0.1973823	0.0000001
EARTH	2120-07-01 16:01	< 1 min	0.0445378	0.0445368	0.0000003

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
284.55655896	349.44834960	0.02528783	MINIMUM
83.13379560	175.07924150	0.02698752	MINIMUM
4.85367164	83.25716640	0.19811843	SADDLE
182.95443749	261.40202536	0.28942166	SADDLE
5.06917577	263.52533963	1.80338187	SADDLE
183.14714711	81.55004836	2.29065436	MAXIMUM

Download:

MOID Plots

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