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(2020 BY4)
Classification: Apollo [NEO]          SPK-ID: 3989081
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 2458871.5 (2020-Jan-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6991372256561517 0.0014622  
a 2.029396149510361 0.00837 au
q .6105697557844103 0.00044911 au
i 1.725326915333562 0.0031985 deg
node 131.858081134111 0.0025284 deg
peri 81.94758939440545 0.0021101 deg
M 342.8385775208072 0.12143 deg
tp 2458921.838405748704
(2020-Mar-13.33840575)
0.044773 TDB
period 1055.962936143846
2.89
6.5328
0.01789
d
yr
n .3409210566751935 0.0021091 deg/d
Q 3.448222543236311 0.014222 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      6 days  
   first obs. used      2020-01-20  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .71967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-01 05:47:43  

Additional Information
 Earth MOID = .00186672 au 
 Jupiter MOID = 1.52163 au 
 T_jup = 3.457 
[ 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 26.135   .37781 4 autocmod 2.8

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