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(2020 UN3)
Classification: Apollo [NEO]          SPK-ID: 54075985
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1931428315430772 9.383e-05  
a 1.039531605921047 5.8009e-05 au
q .8387535280749334 5.0735e-05 au
i 10.6861524760501 0.0057831 deg
node 41.69127218268275 3.5664e-05 deg
peri 99.26522011966648 0.0037912 deg
M 137.1004002154444 0.026956 deg
tp 2458853.068190490154
(2020-Jan-04.56819049)
0.041328 TDB
period 387.1283478395393
1.06
0.032404
8.872e-05
d
yr
n .9299241505021903 7.7839e-05 deg/d
Q 1.24030968376716 6.9213e-05 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      33 days  
   first obs. used      2020-10-20  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .37104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-12 05:24:38  

Additional Information
 Earth MOID = .027562 au 
 Jupiter MOID = 3.77678 au 
 T_jup = 5.867 
[ 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 24.3   .52044 E2021-CQ9 autocmod 2.8

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