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(2020 BJ7)
Classification: Apollo [NEO]          SPK-ID: 3989165
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 .6429176580706272 0.00043101  
a 1.538458503934054 0.001331 au
q .5493563655459314 0.00018782 au
i .5085295195123301 0.00079431 deg
node 287.6969459210512 0.017698 deg
peri 297.2668185052391 0.01623 deg
M 141.7460123432787 0.17499 deg
tp 2458926.067554176938
(2020-Mar-17.56755418)
0.017345 TDB
period 696.990898460269
1.91
0.90449
0.002476
d
yr
n .5165060272598685 0.00067028 deg/d
Q 2.527560642322177 0.0021867 au
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      3 days  
   first obs. used      2020-01-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .57915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:15:19  

Additional Information
 Earth MOID = .0029484 au 
 Jupiter MOID = 2.4606 au 
 T_jup = 4.215 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458873.5 (2020-Jan-25.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .642508821836661 0.00043118  
q .5483389551456338 0.00018587 au
tp 2458926.128342630691
(2020-Mar-17.62834263)
0.017483 TDB
node 292.2720310237434 0.0035827 deg
peri 292.8812915297792 0.0026557 deg
i .6556263540495679 0.00060286 deg
  Orbit Determination Parameters
   # obs. used (total)      21  
   data-arc span      3 days  
   first obs. used      2020-01-24  
   last obs. used      2020-01-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .57915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 22:15:19  

Additional Information
 Jupiter MOID = 2.4606 au 
 T_jup = 4.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.85918508142104E-7 -8.01448603001186E-8 -7.538305025808578E-6 1.32640876774008E-6 -8.551928207153521E-7 2.559897730925779E-7
q -8.01448603001186E-8 3.454890869359029E-8 3.249557907297617E-6 -5.72235906971434E-7 3.690315113951369E-7 -1.103769745633013E-7
tp -7.538305025808578E-6 3.249557907297617E-6 .0003056525599839174 -5.370151877217014E-5 3.460002057877522E-5 -1.037482253335877E-5
node 1.32640876774008E-6 -5.72235906971434E-7 -5.370151877217014E-5 1.283585955648779E-5 -9.340069769184615E-6 2.018334930418837E-6
peri -8.551928207153521E-7 3.690315113951369E-7 3.460002057877522E-5 -9.340069769184615E-6 7.052542757809069E-6 -1.361772214898977E-6
i 2.559897730925779E-7 -1.103769745633013E-7 -1.037482253335877E-5 2.018334930418837E-6 -1.361772214898977E-6 3.634378832085963E-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 28.0   .4069 MPO545162 autocmod 2.8

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