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80180 Elko (1999 VS)
Classification: Main-belt Asteroid          SPK-ID: 2080180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226805669305769 4.5366e-08  
a 2.308774374190016 6.6142e-09 au
q 2.025532625049598 1.0536e-07 au
i 6.265044476054183 4.0025e-06 deg
node 162.0994633381752 3.7548e-05 deg
peri 231.4973495171745 3.9861e-05 deg
M 8.122580855550988 1.2664e-05 deg
tp 2459171.589060199610
(2020-Nov-18.08906020)
4.5067e-05 TDB
period 1281.358537788817
3.51
5.5063e-06
1.508e-08
d
yr
n .2809518096482472 1.2073e-09 deg/d
Q 2.592016123330435 7.4256e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      10328 days (28.28 yr)  
   first obs. used      1992-10-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54927  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:21:35  

Additional Information
 Earth MOID = 1.03641 au 
 Jupiter MOID = 2.82972 au 
 T_jup = 3.568 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436341  
rotation period rot_per 5.710 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

80180 Elko           Discovered 1999 Nov. 3 by P. Wiggins and H. Phaneuf at Tooele.
Elko, Nevada, founded in 1869 as a railroad town, is now known as "The Heart of Northeast Nevada". Elko is the home of the National Basque Festival and the Cowboy Poetry Gathering.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

Alternate Designations
 1999 VS = 2001 FF74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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