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187371 (2005 UO318)
Classification: Main-belt Asteroid          SPK-ID: 2187371
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06071337421068407 4.1916e-08  
a 3.082098248896058 2.9527e-08 au
q 2.894973664556737 1.3409e-07 au
i 1.922871899483047 4.9661e-06 deg
node 269.1748227899549 0.0001667 deg
peri 163.164501115955 0.00017437 deg
M 262.1392318870207 5.3136e-05 deg
tp 2459737.747328273868
(2022-Jun-07.24732827)		 0.00029449 TDB
period 1976.369508517484
5.41		 2.8401e-05
7.776e-08		 d
yr
n .1821521726825484 2.6175e-09 deg/d
Q 3.269222833235378 3.1319e-08 au
   Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      9487 days (25.97 yr)  
   first obs. used      1994-10-27  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:55:08  

Additional Information
 Earth MOID = 1.90917 au 
 Jupiter MOID = 1.90861 au 
 T_jup = 3.224 
[ 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 15.80   n/a E2021B55  

187371 (2005 UO318)          Discovered 2005-Oct-27 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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