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(2012 FW)
Classification: Main-belt Asteroid          SPK-ID: 3601462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564495525003277 3.7931e-07  
a 2.755658811921855 4.1315e-08 au
q 2.324537223953095 1.0747e-06 au
i 8.106984750775235 1.1612e-05 deg
node 16.34810525484237 6.019e-05 deg
peri 156.607021595604 9.942e-05 deg
M 331.9105231327854 4.6296e-05 deg
tp 2459330.870023754389
(2021-Apr-26.37002375)
0.00021329 TDB
period 1670.846658107729
4.57
3.7576e-05
1.029e-07
d
yr
n .2154596283585401 4.8455e-09 deg/d
Q 3.186780399890614 4.7779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6511 days (17.83 yr)  
   first obs. used      2003-04-24  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:08:25  

Additional Information
 Earth MOID = 1.33128 au 
 Jupiter MOID = 1.77818 au 
 T_jup = 3.311 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a E2021D90  

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