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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 50 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06267476925169452 5.4196e-08  
a 2.8630240105188 2.4632e-08 AU
q 2.683584641297473 1.5879e-07 AU
i 1.527677910461919 6.3515e-06 deg
node 355.5521032147763 0.00020968 deg
peri 72.51978897909162 0.00021713 deg
M 59.13715324493371 5.3883e-05 deg
tp 2456709.834273171866
(2014-Feb-21.33427317)
0.00026539 JED
period 1769.440291194482
4.84
2.2835e-05
6.252e-08
d
yr
n .2034541667167405 2.6256e-09 deg/d
Q 3.042463379740127 2.6175e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      12853 days (35.19 yr)  
   first obs. used      1979-11-16  
   last obs. used      2015-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53116  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:26:00  

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 13.2 mag n/a PDS3 (MPC 32614)  
rotation period rot_per 3.2 h n/a LCDB (Rev. 2015-Feb); 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.]

9337 (1991 FO1)          Discovered 1991-Mar-17 by Debehogne, H. at La Silla (809)
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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