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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3455720598394198 0.00030899  
a 1.724326751571428 0.00095439 au
q 1.128447604194674 9.1797e-05 au
i 20.56668903019142 0.0087814 deg
node 316.3307733093769 0.0073384 deg
peri 184.26477304 0.0040731 deg
M 142.6834074678073 0.12029 deg
tp 2458872.707700125137
(2020-Jan-24.20770012)
0.0042074 TDB
period 827.0424014199082
2.26
0.68663
0.00188
d
yr
n .4352860257006579 0.00036139 deg/d
Q 2.320205898948183 0.0012842 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .52984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:19:28  

Additional Information
 Earth MOID = .142761 au 
 Jupiter MOID = 2.72243 au 
 T_jup = 4.029 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458881.5 (2020-Feb-02.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3457008606047426 0.0003091  
q 1.128029480840691 9.0873e-05 au
tp 2458872.642103364195
(2020-Jan-24.14210336)
0.0042749 TDB
node 316.3374650527527 0.0073439 deg
peri 184.20468017521 0.0040523 deg
i 20.56457027845689 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .52984  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:19:28  

Additional Information
 Jupiter MOID = 2.72243 au 
 T_jup = 4.029 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.554108652813344E-8 2.808238159073297E-8 1.318694013203038E-6 2.269495874753153E-6 1.249884398559815E-6 2.712796312987965E-6
q 2.808238159073297E-8 8.257838990778501E-9 3.8803339450886E-7 6.673499385398984E-7 3.678018090471367E-7 7.976782194415289E-7
tp 1.318694013203038E-6 3.8803339450886E-7 1.827471932724089E-5 3.135664340932439E-5 1.732259090332407E-5 3.747840301419758E-5
node 2.269495874753153E-6 6.673499385398984E-7 3.135664340932439E-5 5.393229757868158E-5 2.97209231201319E-5 6.446476505111041E-5
peri 1.249884398559815E-6 3.678018090471367E-7 1.732259090332407E-5 2.97209231201319E-5 1.642092815907264E-5 3.552341120403398E-5
i 2.712796312987965E-6 7.976782194415289E-7 3.747840301419758E-5 6.446476505111041E-5 3.552341120403398E-5 7.705478205262064E-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 21.3   .41941 E2020-DA2 autocmod 2.8

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