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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02967641307706553 5.9153e-08  
a 2.245739842593204 1.3365e-08 AU
q 2.179094339360784 1.3184e-07 AU
i 3.310900281362603 6.1861e-06 deg
node 191.0805168078673 8.8648e-05 deg
peri 178.8368297613696 0.00012799 deg
M 248.0796990843927 9.3111e-05 deg
tp 2457182.658885158828
(2015-Jun-09.15888516)
0.00031852 JED
period 1229.242572899418
3.37
1.0973e-05
3.004e-08
d
yr
n .2928632703884206 2.6143e-09 deg/d
Q 2.312385345825624 1.3761e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1128  
   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      .47232  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:31  

Additional Information
 Earth MOID = 1.17573 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 13.5 mag n/a MPO263436  

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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