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46557 (1991 FW3)
Classification: Main-belt Asteroid          SPK-ID: 2046557
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01662528024423689 5.2678e-08  
a 2.747766765151068 2.3917e-08 AU
q 2.702084372634631 1.5085e-07 AU
i 5.28960029039709 6.2459e-06 deg
node 172.6753685097935 5.2414e-05 deg
peri 143.573958659011 0.0001846 deg
M 264.9829466300818 0.00017817 deg
tp 2457239.603889217640
(2015-Aug-05.10388922)
0.00082466 JED
period 1663.673988109555
4.55
2.1721e-05
5.947e-08
d
yr
n .2163885488220386 2.8252e-09 deg/d
Q 2.793449157667505 2.4315e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      8501 days (23.27 yr)  
   first obs. used      1991-03-22  
   last obs. used      2014-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:30:47  

Additional Information
 Earth MOID = 1.69002 AU 
 T_jup = 3.341 
[ 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 MPO263730  

46557 (1991 FW3)          Discovered 1991-Mar-22 by Debehogne, H. at La Silla (809)
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 FW3 = 1996 JM1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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