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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0408966009914195 5.8208e-08  
a 2.382883009525679 1.5146e-08 au
q 2.285431193875874 1.4182e-07 au
i 10.0463096875037 6.2293e-06 deg
node 276.8701548839015 3.4278e-05 deg
peri 9.754293347578212 9.6016e-05 deg
M 304.3250569644157 9.2855e-05 deg
tp 2457608.282892864336
(2016-Aug-07.78289286)
0.00034704 JED
period 1343.545899694081
3.68
1.281e-05
3.507e-08
d
yr
n .2679476749413401 2.5547e-09 deg/d
Q 2.480334825175483 1.5766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      23180 days (63.46 yr)  
   first obs. used      1951-12-27  
   last obs. used      2015-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54321  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:01:08  

Additional Information
 Earth MOID = 1.26782 au 
 Jupiter MOID = 2.60904 au 
 T_jup = 3.515 
[ 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 13.4 mag n/a MPO337334  
rotation period rot_per 3.5066 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

9050 (1991 RF29)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
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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