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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835029139743597 5.9099e-08  
a 2.162656437949614 1.4905e-08 AU
q 1.765802679660451 1.3526e-07 AU
i 2.523147976075448 5.2151e-06 deg
node 153.2006423501972 0.00010536 deg
peri 179.8429111325167 0.00010685 deg
M 211.0782175825892 2.219e-05 deg
tp 2457481.046535197480
(2016-Apr-02.54653520)
7.5695e-05 JED
period 1161.661845989746
3.18
1.2009e-05
3.288e-08
d
yr
n .3099008556085243 3.2037e-09 deg/d
Q 2.559510196238778 1.764e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      785  
   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      .54794  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 16:22:55  

Additional Information
 Earth MOID = .756082 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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