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71999 (2000 WC185)
Classification: Main-belt Asteroid          SPK-ID: 2071999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845540855496156 4.8335e-08  
a 2.21861159525012 8.4452e-09 au
q 1.809157761098961 1.0749e-07 au
i 6.412083967788326 3.5058e-06 deg
node 67.3174989049824 4.8884e-05 deg
peri 239.5208297447325 5.0133e-05 deg
M 66.86152136714506 1.101e-05 deg
tp 2458776.321428182307
(2019-Oct-19.82142818)
3.6707e-05 TDB
period 1207.036337256105
3.30
6.8919e-06
1.887e-08
d
yr
n .2982511701498314 1.7029e-09 deg/d
Q 2.628065429401281 1.0004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      7330 days (20.07 yr)  
   first obs. used      1999-04-11  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61183  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:37:50  

Additional Information
 Earth MOID = .804302 au 
 Jupiter MOID = 2.62101 au 
 T_jup = 3.621 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456757.5 (2014-Apr-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1845052372881232 4.8223e-08  
q 1.809565739142745 1.0718e-07 au
tp 2456360.721943704023
(2013-Mar-09.22194370)
3.7337e-05 TDB
node 67.41405414309209 4.8813e-05 deg
peri 239.2279892718292 5.0074e-05 deg
i 6.416642899353246 3.5082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      7330 days (20.07 yr)  
   first obs. used      1999-04-11  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61183  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:37:50  

Additional Information
 Jupiter MOID = 2.62101 au 
 T_jup = 3.621 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.325500934714745E-15 -5.157717480555548E-15 6.732213649871662E-13 1.095190886797033E-14 1.49781510995218E-13 -9.116855001403663E-15
q -5.157717480555548E-15 1.148676029835472E-14 -1.547399602377001E-12 -2.222857142517478E-14 -3.472757764696894E-13 2.041893567194781E-14
tp 6.732213649871662E-13 -1.547399602377001E-12 1.3940795510779E-9 5.75646389379678E-13 4.458085981937744E-10 -4.644167329083142E-12
node 1.095190886797033E-14 -2.222857142517478E-14 5.75646389379678E-13 2.382704208050866E-9 -2.367919858520421E-9 5.468678750538167E-12
peri 1.49781510995218E-13 -3.472757764696894E-13 4.458085981937744E-10 -2.367919858520421E-9 2.507438224491133E-9 -6.72451370756558E-12
i -9.116855001403663E-15 2.041893567194781E-14 -4.644167329083142E-12 5.468678750538167E-12 -6.72451370756558E-12 1.230733812419729E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO337804  

71999 (2000 WC185)          Discovered 2000-Nov-29 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 WC185 = 1999 JS137 = 2002 FS29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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