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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830165912568131 6.6498e-08  
a 2.163509103645533 1.346e-08 AU
q 1.767551042343244 1.4813e-07 AU
i 2.521989138353295 6.6059e-06 deg
node 153.2031129566196 0.00011735 deg
peri 179.7978318538432 0.00011877 deg
M 149.1779961346052 2.0602e-05 deg
tp 2456318.841991515059
(2013-Jan-26.34199151)
6.346e-05 JED
period 1162.348922411591
3.18
1.0847e-05
2.97e-08
d
yr
n .309717670020365 2.8903e-09 deg/d
Q 2.559467164947822 1.5923e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      9665 days (26.46 yr)  
   first obs. used      1987-09-12  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56234  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 12:11:02  

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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