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(2020 BF9)
Classification: Apollo [NEO]          SPK-ID: 3989206
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4442627044142935 0.0006324  
a 1.792629326747182 0.0020696 au
q .9962309740341049 1.6508e-05 au
i 1.991904589297042 0.0023333 deg
node 323.8438853150935 0.0028998 deg
peri 151.136806991201 0.0032282 deg
M 55.3027634395676 0.096325 deg
tp 2458865.827629417650
(2020-Jan-17.32762942)
0.0013573 TDB
period 876.6660180123704
2.40
1.5182
0.004157
d
yr
n .4106466916742291 0.00071114 deg/d
Q 2.58902767946026 0.0029891 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      9 days  
   first obs. used      2020-01-25  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-04 05:38:51  

Additional Information
 Earth MOID = .0192837 au 
 Jupiter MOID = 2.53558 au 
 T_jup = 3.954 
[ 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 26.506   .39521 4 autocmod 2.8

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