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(2020 UN4)
Classification: Apollo [NEO]          SPK-ID: 54076021
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .492679718763514 0.00052966  
a 1.880918401989367 0.0019118 au
q .9542280526801278 4.063e-05 au
i 2.131116361667061 0.0020835 deg
node 214.073079694228 0.00094635 deg
peri 142.446558659773 0.010132 deg
M 314.7259494502845 0.067075 deg
tp 2459118.995050560668
(2020-Sep-26.49505056)
0.0084068 TDB
period 942.2222594154113
2.58
1.4365
0.003933
d
yr
n .3820754566161035 0.00058252 deg/d
Q 2.807608751298607 0.0028537 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   data-arc span      1 day  
   first obs. used      2020-10-23  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .62918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-23 20:42:13  

Additional Information
 Earth MOID = .00541376 au 
 Jupiter MOID = 2.64828 au 
 T_jup = 3.812 
[ 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 28.00   .34702 E2020-UK5 autocmod 2.8

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