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115943 (2003 WC30)
Classification: Main-belt Asteroid          SPK-ID: 2115943
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250332128613962 4.4369e-08  
a 2.241646378528517 9.3134e-09 au
q 1.961366129721983 9.774e-08 au
i 6.804611974234314 5.8038e-06 deg
node 23.3495446046513 3.1427e-05 deg
peri 209.4606130162866 3.7692e-05 deg
M 217.2224510631476 2.1653e-05 deg
tp 2459686.690538827625
(2022-Apr-17.19053883)
7.4642e-05 TDB
period 1225.883167775604
3.36
7.6398e-06
2.092e-08
d
yr
n .2936658316740159 1.8301e-09 deg/d
Q 2.521926627335051 1.0478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1996-09-21  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:53  

Additional Information
 Earth MOID = .95299 au 
 Jupiter MOID = 2.47015 au 
 T_jup = 3.614 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457081.5 (2015-Feb-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248914397827154 4.4408e-08  
q 1.961652195823585 9.7773e-08 au
tp 2457235.269219653198
(2015-Jul-31.76921965)
7.1455e-05 TDB
node 23.38009429740429 3.1409e-05 deg
peri 209.4752074606988 3.769e-05 deg
i 6.806960195491317 5.8052e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1996-09-21  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:53  

Additional Information
 Jupiter MOID = 2.47015 au 
 T_jup = 3.614 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.97209590744404E-15 -4.327637841756418E-15 -1.542322020011877E-12 -5.354412137400942E-15 -4.531185970195203E-13 1.029517122517356E-15
q -4.327637841756418E-15 9.559647117786508E-15 3.524651010869925E-12 1.20041703062245E-14 1.029893780701605E-12 -2.355328800441119E-15
tp -1.542322020011877E-12 3.524651010869925E-12 5.105811020350227E-9 -2.071189011317718E-12 1.497279240762001E-9 -5.461351230248479E-13
node -5.354412137400942E-15 1.20041703062245E-14 -2.071189011317718E-12 9.865109130588381E-10 -9.795524003956307E-10 -5.638485670388633E-11
peri -4.531185970195203E-13 1.029893780701605E-12 1.497279240762001E-9 -9.795524003956307E-10 1.420512662399145E-9 5.586856935554893E-11
i 1.029517122517356E-15 -2.355328800441119E-15 -5.461351230248479E-13 -5.638485670388633E-11 5.586856935554893E-11 3.370038641140413E-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 15.88   n/a MPCxxxxx  

115943 (2003 WC30)          Discovered 2003-Nov-18 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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