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JPL Small-Body Database Browser
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65666 (1987 RU)
Classification: Main-belt Asteroid          SPK-ID: 2065666
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830406561422052 3.5389e-08  
a 2.162677673515021 4.6707e-09 au
q 1.766819733130734 7.5202e-08 au
i 2.52300762493764 3.4514e-06 deg
node 153.1728105024038 9.1954e-05 deg
peri 179.7192889208045 9.2713e-05 deg
M 347.0720387721985 1.2661e-05 deg
tp 2458642.217056948171
(2019-Jun-07.71705695)
4.0913e-05 TDB
period 1161.678955924246
3.18
3.7633e-06
1.03e-08
d
yr
n .3098962911948246 1.0039e-09 deg/d
Q 2.558535613899308 5.5257e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1367  
   data-arc span      11770 days (32.22 yr)  
   first obs. used      1987-09-12  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:56:53  

Additional Information
 Earth MOID = .755555 au 
 Jupiter MOID = 2.79322 au 
 T_jup = 3.672 
[ 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 MPO502572  

65666 (1987 RU)          Discovered 1987-Sep-12 by Debehogne, H. at La Silla
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1987 RU = 2000 RY50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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