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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .143104022418438 | 3.2101e-08 | |
a | 2.32232428393226 | 7.461e-09 | au |
q | 1.989990337541535 | 7.6054e-08 | au |
i | 6.587746529668156 | 3.4407e-06 | deg |
node | 81.33625987412361 | 3.6159e-05 | deg |
peri | 170.290282757599 | 3.9836e-05 | deg |
M | 311.1301714256963 | 1.8783e-05 | deg |
tp | 2459175.977337779697 (2020-Nov-22.47733778) | 6.7761e-05 | TDB |
period | 1292.655273071845 3.54 | 6.2294e-06 1.706e-08 | d yr |
n | .2784965237827886 | 1.3421e-09 | deg/d |
Q | 2.654658230322985 | 8.5287e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ show covariance matrix ]
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.4 |
|
n/a |
MPO358710 |
|
diameter |
diameter |
4.091 |
km |
0.132 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
rotation period |
rot_per |
5.1704 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm] |
geometric albedo |
albedo |
0.554 |
|
0.116 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
8149 Ruff | Discovered 1985 May 11 by C. Shoemaker and E. Shoemaker at Palomar. |
Jan Ruff (b. 1949) is the very capable, warm-spirited and enthusiastic chief of the Office of Public Affairs for Goddard Space Center, NASA. Steve Ruff (b. 1949) is an imaginative, creative and knowledgeable middle-school teacher with a wonderful dry sense of humor. |
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
Reference: 20000320/MPCPages.arc | Last Updated: 2013-03-29 |
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