Asteroids

438955 2010LN14 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.606

Aphelion (Q)

1.701

Eccentricity (e)

0.474

Inclination (i)

1.5

deg

Orbit period (P)

452.7

Earth MOID

0.01805

U parameter

0.0

Next Earth close approach

Date

2043-01-26

Nominal distance (from Earth center)

0.18951

28350707

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.9

mag

Diameter

170 - 400*

Taxonomic type

Scomp

Rotation period (T)

Discovery Information

Discovery Date

2010-06-06

Observatory

Tenagra II Observatory, Nogales

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

1.153827

1-sigma variation

2.437E-9

Unit

Eccentricity (e)

Value

0.474492

1-sigma variation

1.406E-8

Unit

Inclination (i)

Value

1.4674

1-sigma variation

2.293E-6

Unit

Long. of Ascending Node (Ω)

Value

342.9312

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

33.2523

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

96.86155

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.606345

1-sigma variation

Unit

Aphelion distance

Value

1.701309

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.368810

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.489993

1-sigma variation

Unit

MOID

Value

0.018051

1-sigma variation

Unit

Orbit Period

Value

452.6991

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.94037E-18	1.72582E-17	2.29151E-17	3.12621E-14	-3.11271E-14	-2.27808E-14
e	1.72582E-17	1.97674E-16	-3.84601E-15	-8.11866E-14	7.96257E-14	-7.98600E-14
i	2.29151E-17	-3.84601E-15	5.25934E-12	-1.08838E-10	1.10153E-10	-1.15593E-12
Ω	3.12621E-14	-8.11866E-14	-1.08838E-10	8.97671E-9	-8.97585E-9	-4.80570E-11
ω	-3.11271E-14	7.96257E-14	1.10153E-10	-8.97585E-9	8.98649E-9	3.91314E-11
M	-2.27808E-14	-7.98600E-14	-1.15593E-12	-4.80570E-11	3.91314E-11	9.54553E-11

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

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

Scomp

Unit

Source

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

20.925

Unit

mag

Source

[3]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[3]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[4]

Diameter

Value

170 - 400*

Unit

Source

[4]

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

[5]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	ESA Aegis	ESA orbit determination and impact monitoring system
[4]	Estimation	Estimated from absolute magnitude
[5]	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

4306

Unit

Source

[1]

Unobserved

Value

1310

Unit

Source

[1]

Normalized RMS of residuals

Value

0.578215

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-06-06.27549

Unit

Source

[2]

Last Observation

Value

2022-03-21.279839

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

277 (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

2017-01-17

Unit

Source

[3]

Last Observation

Value

2017-01-17

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

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 438955 2010LN14 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
VENUS	1953-06-21 16:31	< 1 s	0.0269483	0.0269482	0.0000000
VENUS	1959-10-28 15:47	< 1 min	0.0417772	0.0417754	0.0000006
VENUS	1961-01-26 09:16	< 1 min	0.0404664	0.0404644	0.0000007
EARTH	1974-06-29 02:35	< 1 min	0.1239742	0.1239735	0.0000002
EARTH	1976-01-23 07:52	< 1 min	0.1263597	0.1263585	0.0000004
EARTH	1979-06-21 09:37	< 1 min	0.0519420	0.0519406	0.0000005
EARTH	1981-01-14 19:39	< 1 min	0.0554168	0.0554148	0.0000006
EARTH	2010-07-01 02:08	< 1 s	0.1555919	0.1555916	0.0000001
EARTH	2012-01-24 17:21	< 1 s	0.1499137	0.1499134	0.0000001
EARTH	2015-06-21 19:07	< 1 s	0.0482935	0.0482934	0.0000001
EARTH	2017-01-14 22:37	< 1 s	0.0603272	0.0603272	0.0000000
VENUS	2020-07-09 01:16	< 1 s	0.0499078	0.0499075	0.0000001
VENUS	2021-10-06 00:03	< 1 min	0.0324472	0.0324470	0.0000001
VENUS	2029-05-05 09:17	< 1 min	0.0385647	0.0385640	0.0000002
VENUS	2030-08-02 18:42	< 1 min	0.0290334	0.0290328	0.0000002
MARS	2031-04-26 07:06	< 1 min	0.0465828	0.0465826	0.0000001
EARTH	2043-01-26 10:56	< 1 min	0.1895128	0.1895118	0.0000003
EARTH	2046-06-22 18:33	< 1 min	0.0296932	0.0296924	0.0000003
EARTH	2048-01-16 16:50	< 1 min	0.0440457	0.0440441	0.0000005
EARTH	2072-06-26 05:39	< 1 min	0.0696724	0.0696696	0.0000009
EARTH	2074-01-19 20:17	< 1 min	0.0427631	0.0427604	0.0000009
EARTH	2077-06-15 14:47	< 1 min	0.1750034	0.1750019	0.0000005
VENUS	2102-05-07 23:27	< 1 min	0.0332082	0.0332041	0.0000014
EARTH	2103-06-29 20:53	< 1 min	0.1010690	0.1010615	0.0000025
VENUS	2103-08-05 16:08	< 1 min	0.0482990	0.0482922	0.0000022
EARTH	2105-01-22 08:40	< 1 min	0.0755889	0.0755811	0.0000026
EARTH	2108-06-17 17:16	< 1 min	0.1493893	0.1493832	0.0000020
EARTH	2110-01-10 20:43	< 1 min	0.1788456	0.1788403	0.0000018
VENUS	2111-03-06 20:53	< 1 min	0.0219312	0.0219287	0.0000008

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
71.99842185	14.91152909	0.01809393	MINIMUM
284.65605556	169.22212099	0.02474438	MINIMUM
357.21331959	270.83417746	0.39291279	SADDLE
179.02581482	92.82699535	0.70076011	SADDLE
357.15619279	90.73925510	1.60685890	SADDLE
178.96979401	272.79441127	2.70015233	MAXIMUM

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MOID Plots

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