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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4346408937577065 0.00016863  
a .7061582727605196 6.762e-05 au
q .3992330099534891 0.00015731 au
i 21.24888486921397 0.016246 deg
node 300.5063524195737 7.5291e-05 deg
peri 345.9724955640589 0.00084967 deg
M 119.3238577246526 0.050245 deg
tp 2459324.658351591894
(2021-Apr-20.15835159)
0.019932 TDB
period 216.7462058308461
0.59
0.031133
8.524e-05
d
yr
n 1.660928728233206 0.00023857 deg/d
Q 1.01308353556755 9.701e-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 = .00603624 au 
 Jupiter MOID = 4.16126 au 
 T_jup = 7.987 
[ 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 24.3   .38976 MPO624182 autocmod 2.8

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