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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 57 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06355498128956391 4.6442e-08  
a 2.859592925373464 2.0805e-08 au
q 2.677851550505584 1.3081e-07 au
i 1.527321658449336 5.7842e-06 deg
node 355.5401254902163 0.00017416 deg
peri 71.41901711452989 0.00018146 deg
M 182.409261766769 4.8974e-05 deg
tp 2458471.809721442454
(2018-Dec-19.30972144)
0.00024043 JED
period 1766.260464030149
4.84
1.9276e-05
5.277e-08
d
yr
n .2038204485303222 2.2243e-09 deg/d
Q 3.041334300241344 2.2127e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      13299 days (36.41 yr)  
   first obs. used      1979-11-16  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:05:13  

Additional Information
 Earth MOID = 1.6904 au 
 Jupiter MOID = 2.14917 au 
 T_jup = 3.299 
[ 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. 2016-February); 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. (2016) Astron. J. 150, A75.]

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

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