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332454 (2008 CJ20)
Classification: Main-belt Asteroid          SPK-ID: 2332454
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779412733031529 5.1029e-08  
a 2.328279060277435 1.4268e-08 au
q 1.9139821196866 1.158e-07 au
i 5.290051634663079 6.1531e-06 deg
node 111.0115749895539 5.0074e-05 deg
peri 55.81030168137956 5.5975e-05 deg
M 156.6592563625197 2.0654e-05 deg
tp 2458435.817231601125
(2018-Nov-13.31723160)
7.2798e-05 TDB
period 1297.630292289773
3.55
1.1928e-05
3.266e-08
d
yr
n .2774287885687001 2.5502e-09 deg/d
Q 2.74257600086827 1.6807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2001-03-26  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:08:34  

Additional Information
 Earth MOID = .927248 au 
 Jupiter MOID = 2.23975 au 
 T_jup = 3.546 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457158.5 (2015-May-16.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774551936141466 5.1002e-08  
q 1.915489630029516 1.1582e-07 au
tp 2457136.920504737714
(2015-Apr-24.42050474)
7.0433e-05 TDB
node 111.0369666300604 5.0099e-05 deg
peri 55.66068915743789 5.6025e-05 deg
i 5.288358296090222 6.1505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2001-03-26  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:08:34  

Additional Information
 Jupiter MOID = 2.23975 au 
 T_jup = 3.546 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.601164015864569E-15 -5.87924695466493E-15 -1.293002176539864E-12 4.125871506591598E-14 -4.977732855404084E-13 -2.963915383128181E-15
q -5.87924695466493E-15 1.341323646141824E-14 3.133419680355659E-12 -9.784840648741537E-14 1.198768316073671E-12 6.625715283525882E-15
tp -1.293002176539864E-12 3.133419680355659E-12 4.960742260126115E-9 -7.89682271395214E-11 1.778742096445571E-9 -3.384684926321682E-12
node 4.125871506591598E-14 -9.784840648741537E-14 -7.89682271395214E-11 2.509860897691464E-9 -2.526026459795317E-9 2.819906061660732E-11
peri -4.977732855404084E-13 1.198768316073671E-12 1.778742096445571E-9 -2.526026459795317E-9 3.138783847811442E-9 -2.916881874410636E-11
i -2.963915383128181E-15 6.625715283525882E-15 -3.384684926321682E-12 2.819906061660732E-11 -2.916881874410636E-11 3.782896772887255E-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 MPO434081  

332454 (2008 CJ20)          Discovered 2008-Feb-06 by CSS at Catalina
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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