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(2021 BA)
Classification: Aten [NEO]          SPK-ID: 54106083
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .230306694900279 0.00010632  
a .9966097302464146 5.2071e-05 au
q .7670838371679043 6.6452e-05 au
i 12.49223739783965 0.0059379 deg
node 117.0963638522478 0.00020111 deg
peri 100.4982078944887 0.0051048 deg
M 56.54561639586868 0.035377 deg
tp 2458943.420185474632
(2020-Apr-03.92018547)
0.040184 TDB
period 363.4009944338283
0.99
0.028481
7.798e-05
d
yr
n .9906412076853917 7.7639e-05 deg/d
Q 1.226135623324925 6.4063e-05 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      2 days  
   first obs. used      2021-01-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .34951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-20 05:20:00  

Additional Information
 Earth MOID = .000943969 au 
 Jupiter MOID = 3.77166 au 
 T_jup = 6.053 
[ 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 26.04   .39053 E2021B84 autocmod 2.8

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