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215385 (2002 CN57)
Classification: Main-belt Asteroid          SPK-ID: 2215385
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128625502615419 5.1356e-08  
a 2.230286610680959 1.1145e-08 au
q 1.978570775985335 1.1023e-07 au
i 3.476285900959576 4.8271e-06 deg
node 158.6646274969449 9.9915e-05 deg
peri 6.384789824646425 0.00010457 deg
M 167.6293260365299 3.1087e-05 deg
tp 2458434.016922524671
(2018-Nov-11.51692252)
0.0001033 TDB
period 1216.576554431037
3.33
9.1189e-06
2.497e-08
d
yr
n .2959123276614214 2.218e-09 deg/d
Q 2.482002445376582 1.2403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      9473 days (25.94 yr)  
   first obs. used      1993-08-17  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:22:49  

Additional Information
 Earth MOID = .985924 au 
 Jupiter MOID = 2.48792 au 
 T_jup = 3.632 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457203.5 (2015-Jun-30.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125566739716588 5.131e-08  
q 1.979773605984505 1.1012e-07 au
tp 2457216.265208322038
(2015-Jul-12.76520832)
0.00010046 TDB
node 158.7184170139317 9.9986e-05 deg
peri 6.169863379981132 0.00010468 deg
i 3.47456714747942 4.8258e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      9473 days (25.94 yr)  
   first obs. used      1993-08-17  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55833  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:22:49  

Additional Information
 Jupiter MOID = 2.48792 au 
 T_jup = 3.632 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.632697334212237E-15 -5.63231290578589E-15 1.855460502084109E-12 5.304324202034182E-15 5.162973090953842E-13 -3.126650673147342E-15
q -5.63231290578589E-15 1.212547241173053E-14 -3.806964358997125E-12 -9.949791999330288E-15 -1.055610919074865E-12 6.749433673409078E-15
tp 1.855460502084109E-12 -3.806964358997125E-12 1.009276114969841E-8 4.419526880450122E-11 3.148808670006694E-9 -8.42864933000147E-12
node 5.304324202034182E-15 -9.949791999330288E-15 4.419526880450122E-11 9.997133445380362E-9 -9.964445820923023E-9 1.207265733312367E-10
peri 5.162973090953842E-13 -1.055610919074865E-12 3.148808670006694E-9 -9.964445820923023E-9 1.095779755094666E-8 -1.231807936671314E-10
i -3.126650673147342E-15 6.749433673409078E-15 -8.42864933000147E-12 1.207265733312367E-10 -1.231807936671314E-10 2.32882438390391E-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 17.4   n/a MPO475766  

215385 (2002 CN57)          Discovered 2002-Feb-07 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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