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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830165930081248 6.1356e-08  
a 2.163509120176081 1.5796e-08 AU
q 1.767551052059449 1.3886e-07 AU
i 2.521990524724833 5.9543e-06 deg
node 153.2030514411549 0.00011006 deg
peri 179.7978873943231 0.00011158 deg
M 149.1779910821159 2.1801e-05 deg
tp 2456318.842002308021
(2013-Jan-26.34200231)
6.6376e-05 JED
period 1162.348935733189
3.18
1.273e-05
3.485e-08
d
yr
n .309717666470713 3.3919e-09 deg/d
Q 2.559467188292714 1.8687e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9680 days (26.50 yr)  
   first obs. used      1987-09-12  
   last obs. used      2014-03-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54287  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 11:42:09  

Additional Information
 Earth MOID = .756011 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 (809)
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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