Asteroids

2010LK68 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.616

Aphelion (Q)

1.718

Eccentricity (e)

0.472

Inclination (i)

21.8

deg

Orbit period (P)

460.5

Earth MOID

0.02600

U parameter

9.0

Next Earth close approach

Date

2044-06-19

Nominal distance (from Earth center)

0.08327

12456696

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.6

mag

Diameter

236

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2010-06-12

Observatory

WISE

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

1.166972

1-sigma variation

0.033846

Unit

Eccentricity (e)

Value

0.472327

1-sigma variation

0.030140

Unit

Inclination (i)

Value

21.8462

1-sigma variation

1.0982

Unit

Long. of Ascending Node (Ω)

Value

268.4403

1-sigma variation

1.1250

Unit

Arg. of Perihelion (ω)

Value

261.6937

1-sigma variation

1.2038

Unit

Mean Anomaly (M)

Value

298.91071

1-sigma variation

205.04800

Unit

Perihelion distance

Value

0.615779

1-sigma variation

Unit

Aphelion distance

Value

1.718165

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.043091

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.135459

1-sigma variation

Unit

MOID

Value

0.026004

1-sigma variation

Unit

Orbit Period

Value

460.4570

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.14554E-3	1.01448E-3	3.64974E-2	3.77047E-2	-3.85802E-2	-6.94000E0
e	1.01448E-3	9.08447E-4	3.29800E-2	3.38880E-2	-3.53915E-2	-6.14588E0
i	3.64974E-2	3.29800E-2	1.20603E0	1.23391E0	-1.30962E0	-2.21101E2
Ω	3.77047E-2	3.38880E-2	1.23391E0	1.26565E0	-1.33057E0	-2.28418E2
ω	-3.85802E-2	-3.53915E-2	-1.30962E0	-1.33057E0	1.44908E0	2.33709E2
M	-6.94000E0	-6.14588E0	-2.21101E2	-2.28418E2	2.33709E2	4.20446E4

Date of computation: 2026-03-17 23:26 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

22.566

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.032

Unit

Source

[2]

Diameter

Value

236

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]	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.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

5786

Unit

Source

[1]

Normalized RMS of residuals

Value

0.371779

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-06-12.288937

Unit

Source

[2]

Last Observation

Value

2010-06-16.43416

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

14 (1)

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

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 2010LK68 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	1957-06-16 03:36	> 1 mo	0.1434226	0.0276164	11.6461868
EARTH	1960-12-06 15:38	> 1 mo	0.1071165	0.0778428	6.1269664
EARTH	1962-06-29 02:34	> 1 mo	0.1330424	0.0255690	10.7954724
EARTH	1986-06-19 23:36	> 1 mo	0.0713551	0.0254764	6.4392795
EARTH	1989-12-10 23:59	> 1 mo	0.0903874	0.0762350	0.6991686
EARTH	1991-07-02 10:46	> 1 mo	0.1967002	0.0289928	4.8982209
EARTH	2015-06-21 19:13	> 1 mo	0.0435195	0.0258629	1.0832116
EARTH	2018-12-12 11:50	> 1 mo	0.0947180	0.0760989	0.7968871
EARTH	2044-06-19 01:02	> 1 mo	0.0832679	0.0273418	8.3497615
EARTH	2047-12-09 22:36	> 1 mo	0.0899963	0.0758304	1.5893221
EARTH	2049-06-30 14:00	> 1 mo	0.1642882	0.0298161	9.0216605
EARTH	2073-06-14 05:39	> 1 mo	0.1852543	0.0334761	12.0574961
EARTH	2076-12-03 11:36	> 1 mo	0.1486809	0.0798264	10.2641347
EARTH	2078-06-26 03:38	> 1 mo	0.0655104	0.0280364	11.2697039
EARTH	2081-12-19 04:22	> 1 mo	0.1576518	0.0798508	9.3714126
EARTH	2105-12-02 05:59	> 1 mo	0.1900387	0.0626655	0.8931515
EARTH	2107-06-25 08:20	> 1 mo	0.0318963	0.0286250	0.8148411
EARTH	2110-12-17 21:20	> 1 mo	0.1291653	0.0775354	3.2209103

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
72.56042196	170.01644782	0.02684581	MINIMUM
295.69677342	337.23248328	0.08907111	MINIMUM
4.70483506	74.97681236	0.48151272	SADDLE
183.11967681	250.78968409	0.86619171	SADDLE
3.58572812	252.96667256	1.59484725	SADDLE
180.20686730	68.90057387	2.66790700	MAXIMUM

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MOID Plots

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