Asteroids

2005LW3 help

Last update: 2024-05-01 23:55 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.772

Aphelion (Q)

2.106

Eccentricity (e)

0.464

Inclination (i)

6.0

deg

Orbit period (P)

630.4

Earth MOID

0.00096

U parameter

0.0

A₂

-75.5

10^-15au/days²

Next Earth close approach

Date

2041-11-09

Nominal distance (from Earth center)

0.1212

18131761

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

21.6

mag

Diameter

130 - 280*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2005-06-05

Observatory

Siding Spring Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

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

1.438796

1-sigma variation

5.453E-9

Unit

Eccentricity (e)

Value

0.463670

1-sigma variation

1.553E-8

Unit

Inclination (i)

Value

6.0209

1-sigma variation

3.782E-6

Unit

Long. of Ascending Node (Ω)

Value

59.5800

1-sigma variation

1.061E-6

Unit

Arg. of Perihelion (ω)

Value

288.6748

1-sigma variation

2.545E-6

Unit

Mean Anomaly (M)

Value

309.81946

1-sigma variation

1.645E-6

Unit

Perihelion distance

Value

0.771669

1-sigma variation

Unit

Aphelion distance

Value

2.105923

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.003732

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.314714

1-sigma variation

Unit

MOID

Value

0.000962

1-sigma variation

Unit

Orbit Period

Value

630.3726

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

A₂

Value

-75.52110

1-sigma variation

13.65230

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	2.97353E-17	4.07444E-17	-7.10425E-15	-1.47902E-15	-4.38704E-15	-8.66086E-15	6.74561E-8
e	4.07444E-17	2.41076E-16	-4.34183E-14	-9.85676E-15	-3.68491E-14	-6.11400E-15	5.03964E-8
i	-7.10425E-15	-4.34183E-14	1.43031E-11	3.38940E-12	5.22011E-12	9.13883E-13	-6.26556E-6
Ω	-1.47902E-15	-9.85676E-15	3.38940E-12	1.12512E-12	8.19566E-13	1.70625E-13	-1.42097E-6
ω	-4.38704E-15	-3.68491E-14	5.22011E-12	8.19566E-13	6.47554E-12	3.30953E-13	-3.12718E-6
M	-8.66086E-15	-6.11400E-15	9.13883E-13	1.70625E-13	3.30953E-13	2.70518E-12	-2.09323E-5
A₂	6.74561E-8	5.03964E-8	-6.26556E-6	-1.42097E-6	-3.12718E-6	-2.09323E-5	1.86385E2

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

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

21.605

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

130 - 280*

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 ODIM	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

6426

Unit

Source

[1]

Unobserved

Value

480

Unit

Source

[1]

Normalized RMS of residuals

Value

0.615658

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2005-06-05.55942

Unit

Source

[2]

Last Observation

Value

2023-01-08.402197

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1516 (17)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2022-11-22

Unit

Source

[3]

Last Observation

Value

2022-11-27

Unit

Source

[3]

Delay (Discarded)

Value

4 (2)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

7 (2)

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 2005LW3 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	1957-12-02 15:54	5.7	0.1773187	0.1770872	0.0000772
EARTH	1964-06-20 15:41	7.0	0.0541383	0.0541229	0.0000053
EARTH	1969-11-16 00:37	13.9	0.0712387	0.0709668	0.0000907
EARTH	2005-07-03 16:36	4.6	0.1358921	0.1358323	0.0000199
EARTH	2010-11-28 08:46	1.1	0.0867121	0.0866722	0.0000133
EARTH	2017-06-22 21:06	< 1 min	0.0600967	0.0600945	0.0000007
EARTH	2022-11-23 10:05	< 1 s	0.0076197	0.0076196	0.0000000
EARTH	2041-11-09 04:41	7.5	0.1212033	0.1211125	0.0000303
EARTH	2048-06-27 09:39	6.8	0.0875698	0.0874553	0.0000382
EARTH	2072-10-27 11:25	51.6	0.1706432	0.1703410	0.0001007
EARTH	2079-06-17 01:47	10.2	0.1099325	0.1096079	0.0001083
EARTH	2084-11-22 23:49	11.8	0.0030118	0.0029321	0.0000322
EARTH	2103-11-28 07:11	> 1 d	0.0500319	0.0037390	0.0531993
MARS	2110-05-01 13:02	540.2	0.0464721	0.0419609	0.0020647
EARTH	2117-06-19 06:39	> 1 d	0.0981206	0.0565920	0.0562924

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