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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .1685114745358962 | 3.583e-08 | |
a | 2.233300191558241 | 5.679e-09 | au |
q | 1.856963483197462 | 7.8737e-08 | au |
i | 5.705568623413428 | 3.4834e-06 | deg |
node | 119.8116945018842 | 3.6179e-05 | deg |
peri | 237.783521923498 | 3.7864e-05 | deg |
M | 103.5588812805365 | 1.1545e-05 | deg |
tp | 2458649.825706183245 (2019-Jun-15.32570618) | 3.8815e-05 | TDB |
period | 1219.04315895462 3.34 | 4.6498e-06 1.273e-08 | d yr |
n | .2953135804549487 | 1.1264e-09 | deg/d |
Q | 2.60963689991902 | 6.6359e-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 |
12.7 |
|
n/a |
MPO395021 |
|
diameter |
diameter |
6.641 |
km |
0.105 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
2.73325 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Pravec, P.; Wolf, M.; Sarounova, L. (2009) http://www.asu.cas.cz/~ppravec/neo.htm] [Pollock, J.; Pravec, P.; Kusnirak, P.; Hornoch, K.; et al. (2011) CBET 2705.] |
geometric albedo |
albedo |
0.365 |
|
0.083 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
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2815 Soma (1982 RL) Discovered 1982-Sep-15 by Bowell, E. at Flagstaff (AM) |
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory. |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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Alternate Designations
1982 RL = 1955 MH = 1970 AC = 1974 DL = 1979 XB1 |
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