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

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1837718571124037 5.8828e-08  
a 2.162671893076921 1.4927e-08 au
q 1.765233662961378 1.3477e-07 au
i 2.523361017457135 5.1704e-06 deg
node 153.2021017095935 0.00010525 deg
peri 179.8209306749658 0.00010674 deg
M 37.06063758108571 2.3746e-05 deg
tp 2457480.910027322579
(2016-Apr-02.41002732)
7.5585e-05 JED
period 1161.674298497327
3.18
1.2027e-05
3.293e-08
d
yr
n .3098975336423253 3.2084e-09 deg/d
Q 2.560110123192465 1.767e-08 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      10190 days (27.90 yr)  
   first obs. used      1987-09-12  
   last obs. used      2015-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54755  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 00:13:07  

Additional Information
 Earth MOID = .754182 au 
 Jupiter MOID = 2.78457 au 
 T_jup = 3.672 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4 mag n/a MPO250801  

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 | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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