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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1835029172088176 5.9164e-08  
a 2.16265643897782 1.4931e-08 AU
q 1.765802673504957 1.3536e-07 AU
i 2.523148279402133 5.2544e-06 deg
node 153.2006434808856 0.00010538 deg
peri 179.8429103195624 0.00010687 deg
M 211.0782164535887 2.2211e-05 deg
tp 2457481.046539183286
(2016-Apr-02.54653918)
7.5772e-05 JED
period 1161.66184681819
3.18
1.203e-05
3.294e-08
d
yr
n .3099008553875171 3.2093e-09 deg/d
Q 2.559510204450684 1.7671e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      10116 days (27.70 yr)  
   first obs. used      1987-09-12  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5482  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 18:20:45  

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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