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(2020 UU4)
Classification: Apollo [NEO]          SPK-ID: 54076352
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .491227282616533 0.00049883  
a 1.679778908996415 0.0014561 au
q .8546256801335418 9.7073e-05 au
i 4.367070363635465 0.003635 deg
node 216.6284719911381 0.00016297 deg
peri 231.7196710136704 0.00017574 deg
M 274.4845278228123 0.11572 deg
tp 2459189.394281373581
(2020-Dec-05.89428137)
0.010004 TDB
period 795.2004422496719
2.18
1.034
0.002831
d
yr
n .4527160460091514 0.00058867 deg/d
Q 2.504932137859289 0.0021714 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      3 days  
   first obs. used      2020-10-23  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .33881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-27 07:16:07  

Additional Information
 Earth MOID = .00397932 au 
 Jupiter MOID = 2.74521 au 
 T_jup = 4.085 
[ 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 26.8   .42807 3 autocmod 2.8

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