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332638 (2008 UD71)
Classification: Main-belt Asteroid          SPK-ID: 2332638
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03956026110623149 8.4455e-08  
a 3.047590359320668 5.3169e-08 au
q 2.927026888961108 2.7998e-07 au
i 10.33715007159581 6.3235e-06 deg
node 270.6246571221338 4.6151e-05 deg
peri 103.3140847544263 9.5512e-05 deg
M 101.6616026018894 8.3135e-05 deg
tp 2458451.733281641618
(2018-Nov-29.23328164)
0.00045024 TDB
period 1943.270748766909
5.32
5.0854e-05
1.392e-07
d
yr
n .1852546796314594 4.848e-09 deg/d
Q 3.168153829680227 5.5272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5821 days (15.94 yr)  
   first obs. used      2004-01-28  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52334  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:09:47  

Additional Information
 Earth MOID = 1.95115 au 
 Jupiter MOID = 2.10419 au 
 T_jup = 3.212 
[ 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 15.5   n/a MPO413327  

332638 (2008 UD71)          Discovered 2008-Oct-21 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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