Asteroids

467336 2002LT38 help

Last update: 2024-05-05 22:35 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.580

Aphelion (Q)

1.110

Eccentricity (e)

0.314

Inclination (i)

6.2

deg

Orbit period (P)

283.8

Earth MOID

0.03440

U parameter

0.0

A₂

30.6

10^-15au/days²

Next Earth close approach

Date

2030-06-27

Nominal distance (from Earth center)

0.03447

5155926

Maximum Brightness

15.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

20.5

mag

Diameter

210 - 500*

Taxonomic type

Rotation period (T)

21.80

Discovery Information

Discovery Date

2002-06-12

Observatory

Lincoln Laboratory ETS, New Mexico

Orbit Visualiser

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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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.845249

1-sigma variation

1.324E-9

Unit

Eccentricity (e)

Value

0.313705

1-sigma variation

3.304E-8

Unit

Inclination (i)

Value

6.1761

1-sigma variation

4.390E-6

Unit

Long. of Ascending Node (Ω)

Value

259.2681

1-sigma variation

9.208E-6

Unit

Arg. of Perihelion (ω)

Value

162.7782

1-sigma variation

1.216E-5

Unit

Mean Anomaly (M)

Value

227.10597

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.580090

1-sigma variation

Unit

Aphelion distance

Value

1.110407

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.072679

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.397515

1-sigma variation

Unit

MOID

Value

0.034398

1-sigma variation

Unit

Orbit Period

Value

283.8410

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

A₂

Value

30.58349

1-sigma variation

3.57834

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	1.75411E-18	1.24701E-18	-3.97449E-16	8.57024E-17	-8.97096E-16	1.41621E-16	4.35204E-9
e	1.24701E-18	1.09182E-15	7.65885E-14	1.23739E-13	-3.13409E-13	3.91030E-13	1.22980E-8
i	-3.97449E-16	7.65885E-14	1.92745E-11	3.71581E-11	-4.76914E-11	2.45827E-11	7.32058E-7
Ω	8.57024E-17	1.23739E-13	3.71581E-11	8.47846E-11	-9.93512E-11	3.45440E-11	2.09280E-6
ω	-8.97096E-16	-3.13409E-13	-4.76914E-11	-9.93512E-11	1.47942E-10	-1.03603E-10	-5.59749E-6
M	1.41621E-16	3.91030E-13	2.45827E-11	3.45440E-11	-1.03603E-10	1.42130E-10	3.78018E-6
A₂	4.35204E-9	1.22980E-8	7.32058E-7	2.09280E-6	-5.59749E-6	3.78018E-6	1.28045E1

Date of computation: 2024-04-23 10:08 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

21.80

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

1.16

Unit

mag

Source

[1]

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

20.509

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[3]

Diameter

Value

210 - 500*

Unit

Source

[3]

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]	EARN	1.) Warner, B.D. (2017) MPB 44, 22-36. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2016 JULY-SEPTEMBER) (46 NEAs)
[2]	ESA ODIM	ESA orbit determination and impact monitoring system
[3]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

7698

Unit

Source

[1]

Unobserved

Value

303

Unit

Source

[1]

Normalized RMS of residuals

Value

0.514094

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2002-06-10.24962

Unit

Source

[2]

Last Observation

Value

2023-07-08.32112

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

881 (3)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2023-06-19

Unit

Source

[3]

Last Observation

Value

2023-06-25

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

3 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	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 467336 2002LT38 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1950-06-22 22:02	50.1	0.0493384	0.0489652	0.0001249
EARTH	1957-06-27 04:14	12.6	0.0336007	0.0335533	0.0000161
EARTH	1964-06-29 06:28	5.9	0.0434293	0.0432409	0.0000630
EARTH	1971-07-01 00:36	< 1 min	0.0996356	0.0993438	0.0000973
EARTH	1974-04-13 12:56	2.3	0.1672383	0.1669933	0.0000817
EARTH	1978-06-29 13:32	2.2	0.1753663	0.1751355	0.0000769
EARTH	1981-04-13 00:60	1.6	0.1090379	0.1089278	0.0000367
EARTH	1988-04-17 07:18	6.5	0.0893107	0.0893094	0.0000004
EARTH	1995-05-01 00:43	8.8	0.0992603	0.0992463	0.0000047
EARTH	2002-05-17 18:10	5.7	0.1060055	0.1060052	0.0000001
EARTH	2009-06-02 06:40	2.0	0.0957710	0.0957674	0.0000012
EARTH	2016-06-16 03:15	< 1 min	0.0696796	0.0696791	0.0000002
EARTH	2023-06-24 18:27	< 1 min	0.0445050	0.0445038	0.0000004
EARTH	2030-06-27 23:11	< 1 min	0.0344652	0.0344648	0.0000002
EARTH	2037-06-29 19:51	1.1	0.0483303	0.0482842	0.0000154
EARTH	2044-06-30 06:29	< 1 min	0.1087843	0.1086648	0.0000398
EARTH	2047-04-13 14:19	< 1 min	0.1557829	0.1556623	0.0000402
EARTH	2051-06-29 14:46	1.8	0.1848444	0.1846766	0.0000559
EARTH	2054-04-13 13:44	2.2	0.1023249	0.1022374	0.0000292
EARTH	2061-04-19 05:12	13.8	0.0880440	0.0880249	0.0000064
EARTH	2068-05-02 01:34	35.8	0.0994688	0.0994179	0.0000170
EARTH	2075-05-19 00:17	55.5	0.1051635	0.1051508	0.0000043
EARTH	2082-06-03 10:10	68.5	0.0946257	0.0944803	0.0000485
EARTH	2089-06-16 23:40	58.5	0.0683733	0.0680807	0.0000977
EARTH	2096-06-25 04:43	31.3	0.0411956	0.0409721	0.0000752
EARTH	2103-06-30 05:42	21.9	0.0377920	0.0375767	0.0000739
EARTH	2110-07-01 20:10	4.5	0.0804204	0.0790362	0.0004625
EARTH	2113-04-14 18:57	15.6	0.1845908	0.1830290	0.0005213
EARTH	2117-07-01 00:19	14.8	0.1504988	0.1487148	0.0005950
EARTH	2120-04-13 15:59	2.9	0.1211279	0.1198471	0.0004295

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