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305447 (2008 CP202)
Classification: Main-belt Asteroid          SPK-ID: 2305447
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07226474302734794 6.0462e-08  
a 3.135698553763725 3.9923e-08 au
q 2.909098103564762 1.8392e-07 au
i 10.77585486784028 6.1535e-06 deg
node 160.8307691561166 3.3067e-05 deg
peri 221.8049227942161 5.2488e-05 deg
M 196.1869814866615 4.2235e-05 deg
tp 2459923.381196868753
(2022-Dec-09.88119687)
0.00024496 TDB
period 2028.149129342236
5.55
3.8733e-05
1.06e-07
d
yr
n .1775017402772321 3.3899e-09 deg/d
Q 3.362299003962687 4.2808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      8448 days (23.13 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:41  

Additional Information
 Earth MOID = 1.91999 au 
 Jupiter MOID = 2.03031 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457232.5 (2015-Jul-29.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07206335877855014 6.0549e-08  
q 2.910792653570868 1.8415e-07 au
tp 2457900.594595632450
(2017-May-27.09459563)
0.00023142 TDB
node 160.8481780531372 3.3073e-05 deg
peri 222.9240834746267 5.2512e-05 deg
i 10.7736809816162 6.1523e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      8448 days (23.13 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:59:41  

Additional Information
 Jupiter MOID = 2.03031 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.666179904506994E-15 -1.093571299329387E-14 1.228086735380179E-12 1.070600356401819E-14 2.12898468635977E-13 9.677379970882197E-16
q -1.093571299329387E-14 3.391017335434794E-14 -1.484220974685069E-12 -2.557584510890297E-14 -3.328187752726524E-13 1.220085773092891E-16
tp 1.228086735380179E-12 -1.484220974685069E-12 5.355484288563465E-8 1.898655552985655E-11 9.479916790139188E-9 1.053842746383564E-11
node 1.070600356401819E-14 -2.557584510890297E-14 1.898655552985655E-11 1.093853918402825E-9 -1.070977766696906E-9 2.957903810189811E-11
peri 2.12898468635977E-13 -3.328187752726524E-13 9.479916790139188E-9 -1.070977766696906E-9 2.757490083295693E-9 -2.725662000531643E-11
i 9.677379970882197E-16 1.220085773092891E-16 1.053842746383564E-11 2.957903810189811E-11 -2.725662000531643E-11 3.785130840918908E-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 MPO433968  

305447 (2008 CP202)          Discovered 2008-Feb-08 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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