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(2020 CD2)
Classification: Amor [NEO]          SPK-ID: 3991556
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3456215190907382 0.00030914  
a 1.723899263417161 0.00095324 au
q 1.128082581235517 9.0862e-05 au
i 20.56432802707205 0.0087785 deg
node 316.3359690930205 0.0073469 deg
peri 184.2114138375023 0.004048 deg
M 55.67467715133833 0.048037 deg
tp 2458872.643898068163
(2020-Jan-24.14389807)		 0.0042759 TDB
period 826.7348649430794
2.26		 0.68572
0.001877		 d
yr
n .4354479474199821 0.00036117 deg/d
Q 2.319715945598805 0.0012827 au
   Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      33 days  
   first obs. used      2020-01-21  
   last obs. used      2020-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 12:38:03  

Additional Information
 Earth MOID = .142474 au 
 Jupiter MOID = 2.7235 au 
 T_jup = 4.030 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458881.5 (2020-Feb-02.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3457006689384728 0.0003091  
q 1.128029425794287 9.0873e-05 au
tp 2458872.642100600103
(2020-Jan-24.14210060)		 0.0042749 TDB
node 316.3374608624686 0.0073439 deg
peri 184.2046777898383 0.0040523 deg
i 20.56456547497843 0.0087781 deg
   Orbit Determination Parameters
   # obs. used (total)      20  
   data-arc span      33 days  
   first obs. used      2020-01-21  
   last obs. used      2020-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .52985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 12:38:03  

Additional Information
 Jupiter MOID = 2.7235 au 
 T_jup = 4.030 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.55411206013934E-8 2.808239801074035E-8 1.318695670977519E-6 2.269497698520237E-6 1.249885957868019E-6 2.712798518523766E-6
q 2.808239801074035E-8 8.257845698833519E-9 3.880339701001516E-7 6.673506267276907E-7 3.678023510998535E-7 7.976790495580026E-7
tp 1.318695670977519E-6 3.880339701001516E-7 1.827475859745405E-5 3.135669678878608E-5 1.732262796100289E-5 3.747846717250022E-5
node 2.269497698520237E-6 6.673506267276907E-7 3.135669678878608E-5 5.393236499958284E-5 2.972097343121315E-5 6.446484624729928E-5
peri 1.249885957868019E-6 3.678023510998535E-7 1.732262796100289E-5 2.972097343121315E-5 1.642096312834833E-5 3.552347167630472E-5
i 2.712798518523766E-6 7.976790495580026E-7 3.747846717250022E-5 6.446484624729928E-5 3.552347167630472E-5 7.705487983310642E-5

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.286   .41941 3 autocmod 2.8

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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