Asteroids

90075 2002VU94 help

Last update: 2024-05-01 11:07 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.906

Aphelion (Q)

3.364

Eccentricity (e)

0.576

Inclination (i)

8.9

deg

Orbit period (P)

1139.1

Earth MOID

0.03000

U parameter

0.0

Next Earth close approach

Date

2042-05-23

Nominal distance (from Earth center)

0.10133

15158257

Maximum Brightness

17.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

15.4

mag

Diameter

1580

Taxonomic type

Rotation period (T)

7.880

Discovery Information

Discovery Date

2002-11-13

Observatory

Palomar Mountain/NEAT

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

2.134601

1-sigma variation

8.174E-9

Unit

Eccentricity (e)

Value

0.575750

1-sigma variation

1.040E-8

Unit

Inclination (i)

Value

8.9114

1-sigma variation

2.196E-6

Unit

Long. of Ascending Node (Ω)

Value

226.7381

1-sigma variation

1.879E-5

Unit

Arg. of Perihelion (ω)

Value

30.6804

1-sigma variation

1.839E-5

Unit

Mean Anomaly (M)

Value

65.33952

1-sigma variation

4.728E-6

Unit

Perihelion distance

Value

0.905604

1-sigma variation

Unit

Aphelion distance

Value

3.363599

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.054854

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.837523

1-sigma variation

Unit

MOID

Value

0.030003

1-sigma variation

Unit

Orbit Period

Value

1139.1307

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.68117E-17	1.66183E-18	1.54927E-15	-1.29233E-14	1.45186E-14	-3.80623E-14
e	1.66183E-18	1.08202E-16	1.11352E-15	1.56867E-14	-2.05093E-14	3.61390E-15
i	1.54927E-15	1.11352E-15	4.82369E-12	-1.70373E-11	1.63074E-11	-3.45503E-13
Ω	-1.29233E-14	1.56867E-14	-1.70373E-11	3.52890E-10	-3.42339E-10	7.33099E-13
ω	1.45186E-14	-2.05093E-14	1.63074E-11	-3.42339E-10	3.38195E-10	-3.43313E-12
M	-3.80623E-14	3.61390E-15	-3.45503E-13	7.33099E-13	-3.43313E-12	2.23505E-11

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

7.880

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

0.31-0.62

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

15.376

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.347

0.197

Unit

Source

[3]

[4]

Diameter

Value

1580

Unit

Source

[3]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.777

0.474

0.469

Unit

B-V

R-I

V-R

Source

[5]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Warner, B.D. (2015) MPB 42, 115-127. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 OCTOBER-DECEMBER)(43NEAs) 2.) Warner, B.D. (2015) MPB 42, 41-53. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 JUNE-OCTOBER) (45 NEAs)
[2]	ESA ODIM	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Joseph R. Masiero et al 2020 Planet. Sci. J. 1 5
[4]	EARN	1.) Mainzer, A. et al. (2014) Astrophys. J. 792, 30. (Initial Performance of the NEOWISE Reactivation Mission) (prel.diameters & albedos for 61 NEOs) 2.) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)
[5]	EARN	1.) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)
[6]	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

24902

Unit

Source

[1]

Unobserved

Value

124

Unit

Source

[1]

Normalized RMS of residuals

Value

0.419271

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1955-10-25.38056

Unit

Source

[2]

Last Observation

Value

2023-12-29.25792

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

3280 (10)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2017-05-31

Unit

Source

[3]

Last Observation

Value

2017-05-31

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

1 (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 90075 2002VU94 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	1967-07-20 17:08	< 1 min	0.1504389	0.1504380	0.0000003
EARTH	1992-07-09 05:05	< 1 min	0.1439679	0.1439677	0.0000001
EARTH	2017-06-18 06:38	< 1 s	0.1446064	0.1446063	0.0000000
EARTH	2042-05-23 09:01	< 1 min	0.1013267	0.1013253	0.0000005
EARTH	2067-06-03 20:20	< 1 min	0.1268657	0.1268645	0.0000004
EARTH	2092-05-18 22:06	< 1 min	0.0953672	0.0953651	0.0000007
EARTH	2117-07-03 19:37	< 1 min	0.1444781	0.1444780	0.0000000

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