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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01681917729913253 5.1812e-08  
a 2.748433821148732 2.0392e-08 au
q 2.7022074254159 1.4784e-07 au
i 5.290032603334708 5.8286e-06 deg
node 172.6641266167775 4.8622e-05 deg
peri 141.8542801610321 0.00016252 deg
M 79.73312068266303 0.00015399 deg
tp 2457231.893817964566
(2015-Jul-28.39381796)
0.00071215 JED
period 1664.279842512297
4.56
1.8522e-05
5.071e-08
d
yr
n .2163097760389657 2.4073e-09 deg/d
Q 2.794660216881566 2.0735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1991-03-22  
   last obs. used      2015-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51529  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 17:33:16  

Additional Information
 Earth MOID = 1.69059 au 
 Jupiter MOID = 2.22986 au 
 T_jup = 3.340 
[ 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 13.4 mag n/a MPO347847  

46557 (1991 FW3)          Discovered 1991-Mar-22 by Debehogne, H. at La Silla
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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