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118209 (1995 UH20)
Classification: Main-belt Asteroid          SPK-ID: 2118209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05603812024470126 5.8236e-08  
a 2.884318157643534 1.9607e-08 au
q 2.72268638990153 1.7026e-07 au
i .9337818457716377 4.8987e-06 deg
node 277.8171622870314 0.00033792 deg
peri 29.40115287022793 0.00034028 deg
M 78.56955044261105 3.8679e-05 deg
tp 2458610.005482963350
(2019-May-06.50548296)
0.00019335 TDB
period 1789.217646547125
4.90
1.8244e-05
4.995e-08
d
yr
n .2012052590106836 2.0516e-09 deg/d
Q 3.045949925385537 2.0706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      10608 days (29.04 yr)  
   first obs. used      1990-10-13  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:58:29  

Additional Information
 Earth MOID = 1.70778 au 
 Jupiter MOID = 2.0906 au 
 T_jup = 3.291 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO493675  

118209 (1995 UH20)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1995 UH20 = 1993 FA59 = 2000 WE150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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