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9763 (1991 RU17)
Classification: Main-belt Asteroid          SPK-ID: 2009763
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02961355574639095 5.9079e-08  
a 2.245852275456149 1.3406e-08 AU
q 2.179344603898769 1.3167e-07 AU
i 3.31093621159675 6.1815e-06 deg
node 191.0736324699784 8.8626e-05 deg
peri 178.7272957554203 0.00012807 deg
M 306.7586214624314 9.3346e-05 deg
tp 2457182.309677969452
(2015-Jun-08.80967797)
0.00031904 JED
period 1229.334887014965
3.37
1.1007e-05
3.014e-08
d
yr
n .2928412784852641 2.622e-09 deg/d
Q 2.312359947013528 1.3802e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1132  
   data-arc span      10412 days (28.51 yr)  
   first obs. used      1985-12-18  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47155  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:15:22  

Additional Information
 Earth MOID = 1.17748 AU 
 T_jup = 3.628 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO302125  

9763 (1991 RU17)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RU17 = 1985 YT = 1990 FL1 = 1991 PQ17 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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