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(2020 AB2)
Classification: Aten [NEO]          SPK-ID: 3976545
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 .3263922732827753 0.00069829  
a .8044586414946524 0.00026237 au
q .5418895567352396 0.00073847 au
i 2.60385712404804 0.0079915 deg
node 102.4279034717861 0.0071319 deg
peri 155.8639605192864 0.0030531 deg
M 68.91227798933193 0.14372 deg
tp 2458950.051516664183
(2020-Apr-10.55151666)
0.080535 TDB
period 263.5445312619839
0.72
0.12893
0.000353
d
yr
n 1.365993057325601 0.00066826 deg/d
Q 1.067027726254065 0.000348 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 = .00792546 au 
 Jupiter MOID = 3.97819 au 
 T_jup = 7.211 
[ 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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