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(2021 BC)
Classification: Aten [NEO]          SPK-ID: 54106085
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4353854920278044 0.0001675  
a .7053755678757491 6.6552e-05 au
q .3982652791917741 0.00015573 au
i 21.27258677430801 0.016237 deg
node 300.5221349787685 0.00010293 deg
peri 346.1880103304534 0.0012106 deg
M 153.2334829780383 0.004237 deg
tp 2459108.395633747022
(2020-Sep-15.89563375)
0.01049 TDB
period 216.385943898594
0.59
0.030624
8.384e-05
d
yr
n 1.663694015951002 0.00023545 deg/d
Q 1.012485856559724 9.5528e-05 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      16 days  
   first obs. used      2021-01-06  
   last obs. used      2021-01-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .41437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:24:00  

Additional Information
 Earth MOID = .00559575 au 
 Jupiter MOID = 4.16364 au 
 T_jup = 7.994 
[ show covariance matrix ]

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 24.33   .38976 E2021-BD3 autocmod 2.8

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