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187317 (2005 UP40)
Classification: Main-belt Asteroid          SPK-ID: 2187317
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06481331344102324 3.7346e-08  
a 2.91894911295367 2.009e-08 au
q 2.729762349177407 1.0812e-07 au
i 3.182160859675656 4.304e-06 deg
node 71.27388674052884 6.9026e-05 deg
peri 260.9426345332778 7.8227e-05 deg
M 89.08054908882643 3.5006e-05 deg
tp 2458749.767787193935
(2019-Sep-23.26778719)		 0.0001775 TDB
period 1821.53790327878
4.99		 1.8805e-05
5.149e-08		 d
yr
n .1976351957057812 2.0403e-09 deg/d
Q 3.108135876729933 2.1392e-08 au
   Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      9190 days (25.16 yr)  
   first obs. used      1995-11-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:54  

Additional Information
 Earth MOID = 1.71946 au 
 Jupiter MOID = 2.12639 au 
 T_jup = 3.275 
[ 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 16.2   n/a MPO506778  

187317 (2005 UP40)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Alternate Designations
 2005 UP40 = 1995 WE31 = 2005 UM433 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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