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(2020 BC9)
Classification: Apollo [NEO]          SPK-ID: 3989203
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5713608917552054 6.0934e-05  
a 2.327634310677178 0.00033336 au
q .9977150952486525 1.0611e-06 au
i 10.27831303109516 0.0007684 deg
node 159.7658442274418 0.00022279 deg
peri 343.1383179490234 3.7071e-05 deg
M 29.99350867412873 0.0065006 deg
tp 2458892.432445301687
(2020-Feb-12.93244530)
0.00020622 TDB
period 1297.091317794044
3.55
0.27865
0.0007629
d
yr
n .2775440672999416 5.9624e-05 deg/d
Q 3.657553526105703 0.00052383 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      83 days  
   first obs. used      2020-01-24  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .39117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-18 07:42:39  

Additional Information
 Earth MOID = .0204627 au 
 Jupiter MOID = 1.39917 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458894.5 (2020-Feb-15.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5722954350082172 6.0777e-05  
q .9976412508193825 1.0693e-06 au
tp 2458892.429114082402
(2020-Feb-12.92911408)
0.00020697 TDB
node 159.7814476511772 0.00021873 deg
peri 343.1096026002668 3.1468e-05 deg
i 10.26767083465801 0.00077035 deg
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      83 days  
   first obs. used      2020-01-24  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .39117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-18 07:42:39  

Additional Information
 Jupiter MOID = 1.39917 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.693865811981988E-9 6.496821583781055E-11 1.255883920208258E-8 1.326968396986104E-8 -1.637473236564451E-9 4.681837353349751E-8
q 6.496821583781055E-11 1.143351275708092E-12 2.209314806107429E-10 2.334119005057593E-10 -2.876941488212628E-11 8.234522380077912E-10
tp 1.255883920208258E-8 2.209314806107429E-10 4.283700160620087E-8 4.514858828864171E-8 -5.455692051865719E-9 1.592037660780879E-7
node 1.326968396986104E-8 2.334119005057593E-10 4.514858828864171E-8 4.784225688442867E-8 -6.022837960198572E-9 1.681851953082666E-7
peri -1.637473236564451E-9 -2.876941488212628E-11 -5.455692051865719E-9 -6.022837960198572E-9 9.90207455467229E-10 -2.072965108323662E-8
i 4.681837353349751E-8 8.234522380077912E-10 1.592037660780879E-7 1.681851953082666E-7 -2.072965108323662E-8 5.93439946877046E-7

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 23.328   .30008 18 autocmod 2.8

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