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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3269555890266683 0.00069517  
a .803302242412624 0.00025644 au
q .5406580845781611 0.00073103 au
i 2.717107365378196 0.0075322 deg
node 102.8708385135178 0.0037844 deg
peri 155.7636031029996 0.0039618 deg
M 241.270297665085 0.11722 deg
tp 2458687.230884219887
(2019-Jul-22.73088422)
0.044102 TDB
period 262.9764726528544
0.72
0.12592
0.0003448
d
yr
n 1.368943755189928 0.00065551 deg/d
Q 1.065946400247087 0.00034028 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 = .00803882 au 
 Jupiter MOID = 3.98024 au 
 T_jup = 7.219 
[ 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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