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(2020 UN1)
Classification: Aten [NEO]          SPK-ID: 54075312
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3132512932181866 0.00015016  
a .8742726366534889 1.3897e-05 au
q .6004056025965098 0.00014082 au
i 11.20574209071675 0.0074003 deg
node 33.81013656372217 0.00043098 deg
peri 133.2263180035814 0.0010002 deg
M 78.79486619446861 0.014387 deg
tp 2458935.147203328289
(2020-Mar-26.64720333)		 0.010376 TDB
period 298.5855289575655
0.82		 0.0071192
1.949e-05		 d
yr
n 1.205684686919849 2.8747e-05 deg/d
Q 1.148139670710468 1.825e-05 au
   Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      18 days  
   first obs. used      2020-10-10  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .3662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-28 06:41:42  

Additional Information
 Earth MOID = .00609459 au 
 Jupiter MOID = 3.82793 au 
 T_jup = 6.715 
[ 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 25.383   .52665 7 autocmod 2.8

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