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(2020 UR2)
Classification: Apollo [NEO]          SPK-ID: 54075587
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3093893898222554 0.00011035  
a 1.460320664773108 0.00024295 au
q 1.008512945354125 6.6413e-06 au
i 5.24990949377165 0.0016218 deg
node 26.16377101379924 0.00046017 deg
peri 26.16135553148541 0.00071861 deg
M 127.7084485710041 0.031236 deg
tp 2459167.841209753412
(2020-Nov-14.34120975)
0.001134 TDB
period 644.5710163255525
1.76
0.16085
0.0004404
d
yr
n .558510995502434 0.00013938 deg/d
Q 1.91212838419209 0.00031811 au
  Orbit Determination Parameters
   # obs. used (total)      37  
   data-arc span      33 days  
   first obs. used      2020-10-11  
   last obs. used      2020-11-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .50743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:13:23  

Additional Information
 Earth MOID = .0295015 au 
 Jupiter MOID = 3.46549 au 
 T_jup = 4.566 
[ 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 25.5   .4026 E2020-VD2 autocmod 2.8

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