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392473 (2011 FW31)
Classification: Main-belt Asteroid          SPK-ID: 2392473
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203119659113449 6.3608e-08  
a 2.175535475749142 2.5213e-08 au
q 1.91379252575189 1.4728e-07 au
i 4.151733291337138 7.9153e-06 deg
node 182.018884193235 6.9042e-05 deg
peri 27.47547919766511 7.8084e-05 deg
M 303.5897610581386 4.2556e-05 deg
tp 2459184.155153631756
(2020-Nov-30.65515363)
0.00014104 TDB
period 1172.054161578249
3.21
2.0375e-05
5.578e-08
d
yr
n .3071530410465299 5.3395e-09 deg/d
Q 2.437278425746395 2.8246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5174 days (14.17 yr)  
   first obs. used      2005-12-01  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65368  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:18  

Additional Information
 Earth MOID = .90992 au 
 Jupiter MOID = 2.52305 au 
 T_jup = 3.672 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.2   n/a MPO455786  

392473 (2011 FW31)          Discovered 2011-Mar-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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