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(2020 RA1)
Classification: Apollo [NEO]          SPK-ID: 54053753
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .329093559398169 0.00034859  
a 1.458475816708616 0.00075267 au
q .9785008188918262 3.4763e-06 au
i 14.90892209786008 0.011006 deg
node 346.7728238039374 1.8751e-05 deg
peri 37.84748083705934 0.007225 deg
M 284.6106487868196 0.064192 deg
tp 2459135.227043807030
(2020-Oct-12.72704381)
0.010425 TDB
period 643.3499557965604
1.76
0.49802
0.001364
d
yr
n .5595710340171981 0.00043316 deg/d
Q 1.938450814525406 0.0010004 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      8 days  
   first obs. used      2020-09-07  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .46293  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-15 06:56:14  

Additional Information
 Earth MOID = .0225057 au 
 Jupiter MOID = 3.56574 au 
 T_jup = 4.534 
[ 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 25.294   .45255 8 autocmod 2.8

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