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9337 (1991 FO1)
Classification: Main-belt Asteroid          SPK-ID: 2009337
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 54 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06267480464612528 4.6859e-08  
a 2.86302399664575 2.1878e-08 AU
q 2.683584526958809 1.3185e-07 AU
i 1.527679236363388 5.9687e-06 deg
node 355.5522436403368 0.00017782 deg
peri 72.51965358680901 0.00018652 deg
M 59.13715305749336 5.3771e-05 deg
tp 2456709.834276205828
(2014-Feb-21.33427621)
0.00026483 JED
period 1769.4402783335
4.84
2.0282e-05
5.553e-08
d
yr
n .2034541681955247 2.3321e-09 deg/d
Q 3.042463466332691 2.3249e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1382  
   data-arc span      12993 days (35.57 yr)  
   first obs. used      1979-11-16  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51564  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:01:52  

Additional Information
 Earth MOID = 1.69758 AU 
 T_jup = 3.298 
[ 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 13.3 mag n/a MPO337336  
rotation period rot_per 3.2 h n/a LCDB (Rev. 2015-July); 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2011). MNRAS 421, 2094-2108.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J., in press.]

9337 (1991 FO1)          Discovered 1991-Mar-17 by Debehogne, H. at La Silla
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 FO1 = 1979 WY 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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