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(2020 AB2)
Classification: Aten [NEO]          SPK-ID: 3976545
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 .3262564373093811 0.00070845  
a .8038977707274352 0.00021579 au
q .5416209480889485 0.00071491 au
i 2.607022023874963 0.007438 deg
node 102.5749964981486 0.020605 deg
peri 155.8230403225388 0.022308 deg
M 342.0402887230988 0.28279 deg
tp 2459213.633984916714
(2020-Dec-30.13398492)
0.21209 TDB
period 263.268963354564
0.72
0.106
0.0002902
d
yr
n 1.367422864483882 0.00055057 deg/d
Q 1.066174593365922 0.00028619 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      7 days  
   first obs. used      2020-01-05  
   last obs. used      2020-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-13 04:53:04  

Additional Information
 Earth MOID = .00774347 au 
 Jupiter MOID = 3.97821 au 
 T_jup = 7.215 
[ 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 27.0   .2898 E2020-AC3 autocmod 2.8

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