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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835028864292982 6.1104e-08  
a 2.16265642956427 1.5691e-08 AU
q 1.765802732384346 1.3846e-07 AU
i 2.523146074857715 5.9176e-06 deg
node 153.2006640861733 0.00010874 deg
peri 179.842895693951 0.00011023 deg
M 211.0782198307047 2.2287e-05 deg
tp 2457481.046525148314
(2016-Apr-02.54652515)
7.6148e-05 JED
period 1161.661839233516
3.18
1.2642e-05
3.461e-08
d
yr
n .3099008574109087 3.3726e-09 deg/d
Q 2.559510126744193 1.857e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      9998 days (27.37 yr)  
   first obs. used      1987-09-12  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53922  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:38:49  

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 (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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