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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01523940699760349 1.8034e-08  
a 2.74725241467584 1.0576e-08 au
q 2.705385917003446 4.8097e-08 au
i 5.290309678738862 7.2412e-07 deg
node 172.5338065176677 4.1603e-06 deg
peri 135.862743975773 7.7826e-05 deg
M 71.89543937750358 7.5094e-05 deg
tp 2458868.341696295974
(2020-Jan-19.84169630)
0.00034716 TDB
period 1663.206878889535
4.55
9.6046e-06
2.63e-08
d
yr
n .2164493212295751 1.2499e-09 deg/d
Q 2.789118912348234 1.0738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      10943 days (29.96 yr)  
   first obs. used      1991-03-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45651  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:49:58  

Additional Information
 Earth MOID = 1.69214 au 
 Jupiter MOID = 2.22306 au 
 T_jup = 3.341 
[ 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 13.45   n/a E2021B10  

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

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Alternate Designations
 1991 FW3 = 1996 JM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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