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101612 (1999 CS8)
Classification: Jupiter Trojan          SPK-ID: 2101612
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09070796226987816 5.9938e-08  
a 5.169899219579381 1.4073e-07 au
q 4.700948196230702 3.0888e-07 au
i 26.2642308496936 6.9773e-06 deg
node 66.42851953841632 1.5602e-05 deg
peri 221.3665349043548 4.8411e-05 deg
M 61.36708916158498 4.5284e-05 deg
tp 2458268.595250084516
(2018-May-30.09525008)
0.00055015 TDB
period 4293.59960802105
11.76
0.00017532
4.8e-07
d
yr
n .08384573152267603 3.4236e-09 deg/d
Q 5.63885024292806 1.535e-07 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      10037 days (27.48 yr)  
   first obs. used      1993-04-28  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:33  

Additional Information
 Earth MOID = 3.72333 au 
 Jupiter MOID = .443946 au 
 T_jup = 2.787 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456750.5 (2014-Apr-03.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .090045035217079 6.0065e-08  
q 4.714767856927376 3.055e-07 au
tp 2458252.953999396364
(2018-May-14.45399940)
0.00055374 TDB
node 66.48512098001613 1.5601e-05 deg
peri 219.4494795354376 4.8513e-05 deg
i 26.24085385766537 6.9754e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      10037 days (27.48 yr)  
   first obs. used      1993-04-28  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:33  

Additional Information
 Jupiter MOID = .443946 au 
 T_jup = 2.787 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.607836942501501E-15 -1.672021467659988E-14 -4.192503184680226E-12 -1.689147096476483E-15 -3.622896951555256E-13 6.481815898445681E-15
q -1.672021467659988E-14 9.333229821910516E-14 -1.885707897392988E-12 2.010468644328367E-14 -5.816274788487177E-13 -1.679261076571303E-14
tp -4.192503184680226E-12 -1.885707897392988E-12 3.066282888724152E-7 -4.656794606983927E-11 2.54768978939961E-8 -6.776537050187296E-11
node -1.689147096476483E-15 2.010468644328367E-14 -4.656794606983927E-11 2.433925852572969E-10 -2.220823121144231E-10 -6.066633057035454E-12
peri -3.622896951555256E-13 -5.816274788487177E-13 2.54768978939961E-8 -2.220823121144231E-10 2.353532616832529E-9 -2.130815729400281E-13
i 6.481815898445681E-15 -1.679261076571303E-14 -6.776537050187296E-11 -6.066633057035454E-12 -2.130815729400281E-13 4.865550956436218E-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 12.4   n/a MPO385427  
diameter diameter 19.776 km 1.182 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.045   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

101612 (1999 CS8)          Discovered 1999-Feb-13 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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