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JPL Small-Body Database Browser
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392122 (2009 FE38)
Classification: Main-belt Asteroid          SPK-ID: 2392122
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04214343768414902 7.9867e-08  
a 2.82057554190856 3.8215e-08 au
q 2.701706792324702 2.2947e-07 au
i 6.500861566845238 7.9932e-06 deg
node 28.35044421799778 5.9717e-05 deg
peri 321.3583246130626 0.00010513 deg
M 307.9310853104524 9.1662e-05 deg
tp 2459250.754015683377
(2021-Feb-05.25401568)
0.00044318 TDB
period 1730.234751063496
4.74
3.5164e-05
9.627e-08
d
yr
n .2080642524251259 4.2285e-09 deg/d
Q 2.939444291492418 3.9826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      6970 days (19.08 yr)  
   first obs. used      2000-04-26  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52814  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:42:26  

Additional Information
 Earth MOID = 1.69983 au 
 Jupiter MOID = 2.2384 au 
 T_jup = 3.307 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO437605  
rotation period rot_per 1.90 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

392122 (2009 FE38)          Discovered 2009-Mar-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 FE38 = 2007 WA38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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