Asteroids

2003LN6 help

Last update: 2026-05-11 12:45 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.675

Aphelion (Q)

1.036

Eccentricity (e)

0.211

Inclination (i)

0.7

deg

Orbit period (P)

289.2

Earth MOID

0.00101

U parameter

1.2

Next Earth close approach

Date

2026-06-18

Nominal distance (from Earth center)

0.00947

1416920

Maximum Brightness

17.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2003-06-09

Observatory

Lincoln Laboratory ETS, New Mexico

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

0.855768

1-sigma variation

1.325E-8

Unit

Eccentricity (e)

Value

0.210924

1-sigma variation

6.444E-8

Unit

Inclination (i)

Value

0.6589

1-sigma variation

4.823E-6

Unit

Long. of Ascending Node (Ω)

Value

213.5661

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

212.3870

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

199.20993

1-sigma variation

0.00005

Unit

Perihelion distance

Value

0.675267

1-sigma variation

Unit

Aphelion distance

Value

1.036270

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.009860

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.300650

1-sigma variation

Unit

MOID

Value

0.001011

1-sigma variation

Unit

Orbit Period

Value

289.1563

1-sigma variation

Unit

U parameter

Value

1.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.75595E-16	-1.18139E-16	2.82297E-15	4.13223E-15	2.04197E-14	4.50399E-13
e	-1.18139E-16	4.15306E-15	-1.32037E-14	-4.79899E-12	3.26348E-12	1.39018E-12
i	2.82297E-15	-1.32037E-14	2.32649E-11	2.17075E-9	-2.15990E-9	-4.70637E-12
Ω	4.13223E-15	-4.79899E-12	2.17075E-9	2.14854E-7	-2.13036E-7	-1.73104E-9
ω	2.04197E-14	3.26348E-12	-2.15990E-9	-2.13036E-7	2.11916E-7	9.57024E-10
M	4.50399E-13	1.39018E-12	-4.70637E-12	-1.73104E-9	9.57024E-10	2.18840E-9

Date of computation: 2026-05-11 12:45 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

24.668

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

30 - 70*

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

8372

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.684063

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2003-06-09.27598

Unit

Source

[2]

Last Observation

Value

2026-05-11.31696

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

114 (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

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 2003LN6 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	1950-04-26 08:48	95.1	0.0374092	0.0346654	0.0009147
EARTH	1950-08-25 23:10	> 1 d	0.1905370	0.1886651	0.0006240
VENUS	1952-05-12 10:47	109.5	0.0401144	0.0395750	0.0001870
EARTH	1954-05-05 03:53	8.6	0.0046049	0.0045717	0.0000111
EARTH	1965-04-27 14:25	< 1 min	0.0190811	0.0190779	0.0000011
EARTH	1969-06-28 22:02	< 1 min	0.1325706	0.1325638	0.0000023
EARTH	1980-04-24 20:00	< 1 min	0.1907556	0.1907532	0.0000008
EARTH	1984-05-12 20:30	< 1 min	0.0181825	0.0181819	0.0000002
EARTH	1988-06-27 11:07	< 1 min	0.1738895	0.1738878	0.0000006
EARTH	1999-04-23 05:33	< 1 min	0.1355405	0.1355399	0.0000002
EARTH	2003-06-13 18:27	< 1 s	0.0156451	0.0156450	0.0000000
EARTH	2007-06-28 10:32	< 1 min	0.1565326	0.1565323	0.0000001
VENUS	2018-10-19 04:01	< 1 min	0.0390845	0.0390842	0.0000001
EARTH	2022-04-21 16:06	< 1 min	0.0818132	0.0818117	0.0000005
VENUS	2024-05-30 18:58	< 1 min	0.0441045	0.0441043	0.0000001
EARTH	2026-06-18 20:56	< 1 min	0.0094715	0.0094713	0.0000001
VENUS	2030-01-11 09:11	1.4	0.0363427	0.0363311	0.0000039
EARTH	2030-06-26 23:53	< 1 min	0.1928489	0.1928280	0.0000070
EARTH	2045-04-21 12:38	< 1 min	0.1545359	0.1544597	0.0000254
VENUS	2048-12-23 00:17	16.6	0.0408814	0.0408667	0.0000049
EARTH	2049-05-03 03:52	12.1	0.0122606	0.0122238	0.0000123
EARTH	2053-06-25 20:32	3.8	0.1558501	0.1555818	0.0000894
VENUS	2054-07-05 12:39	98.9	0.0438836	0.0437975	0.0000290
VENUS	2060-01-12 20:19	181.1	0.0408453	0.0406193	0.0000771
EARTH	2064-04-19 04:50	7.2	0.1253851	0.1240216	0.0004545
VENUS	2065-07-25 14:50	304.8	0.0393437	0.0389550	0.0001365
EARTH	2068-06-18 22:44	233.3	0.0106609	0.0098925	0.0002940
EARTH	2079-05-25 06:45	> 1 d	0.0234200	0.0222944	0.0003762
VENUS	2079-11-12 21:44	> 1 d	0.0362742	0.0303232	0.0061768
VENUS	2085-03-31 14:12	1251.0	0.0398461	0.0384258	0.0005557
EARTH	2090-04-19 16:50	265.4	0.0786857	0.0401257	0.0129457
EARTH	2094-06-25 20:01	264.7	0.1344278	0.0890731	0.0151416
VENUS	2105-01-15 16:54	> 1 d	0.0427769	0.0376080	0.0024788
EARTH	2105-05-23 13:55	> 1 d	0.0255494	0.0250593	0.0001666
VENUS	2110-06-12 01:23	> 1 d	0.0350404	0.0335252	0.0031434
EARTH	2116-04-19 20:46	23.5	0.0992715	0.0104601	0.0368391
EARTH	2120-06-25 19:11	660.0	0.1278651	0.0093992	0.0434149
VENUS	2124-10-06 04:08	> 1 w	0.0294534	0.0293856	0.0030076

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
146.75800207	113.57900652	0.00101095	MINIMUM
206.91894482	163.14118617	0.00945041	MINIMUM
177.83748622	139.19483422	0.02409105	SADDLE
355.63444121	317.09471947	0.31223432	SADDLE
355.47527156	136.92423240	1.68801374	SADDLE
177.20650155	318.69452318	2.02358527	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out