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9050 (1991 RF29)
Classification: Main-belt Asteroid          SPK-ID: 2009050
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04100819780005455 6.5804e-08  
a 2.383996459607728 1.7854e-08 AU
q 2.286233061237505 1.5568e-07 AU
i 10.05008379546346 7.0283e-06 deg
node 276.9108048706902 4.1078e-05 deg
peri 8.745449503473088 0.00011016 deg
M 198.1973913008519 0.00010162 deg
tp 2457604.782273669800
(2016-Aug-04.28227367)
0.00037938 JED
period 1344.48770801724
3.68
1.5104e-05
4.135e-08
d
yr
n .2677599786545491 3.008e-09 deg/d
Q 2.481759857977952 1.8586e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      22679 days (62.09 yr)  
   first obs. used      1951-12-27  
   last obs. used      2014-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56619  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:26:02  

Additional Information
 Earth MOID = 1.27152 AU 
 T_jup = 3.514 
[ 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 13.2 mag n/a MPO263430  

9050 (1991 RF29)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 RF29 = 1971 BG3 = 1984 WZ2 = 1994 NH9 = 1995 WV8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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