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46197 (2001 FK146)
Classification: Main-belt Asteroid          SPK-ID: 2046197
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09506529573141811 5.3863e-08  
a 2.441404031446191 1.0216e-08 au
q 2.209311235196883 1.3194e-07 au
i 9.657677334397047 5.3868e-06 deg
node 324.7350315149237 2.0665e-05 deg
peri 169.1376815371754 3.6467e-05 deg
M 104.9685721319488 2.6591e-05 deg
tp 2458794.230048947551
(2019-Nov-06.73004895)
0.00010314 TDB
period 1393.342592057287
3.81
8.7453e-06
2.394e-08
d
yr
n .2583714888586415 1.6217e-09 deg/d
Q 2.6734968276955 1.1187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1167  
   data-arc span      10460 days (28.64 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:01  

Additional Information
 Earth MOID = 1.22371 au 
 Jupiter MOID = 2.35328 au 
 T_jup = 3.476 
[ 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 15.17   n/a E2021B10  
diameter diameter 3.851 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46197 (2001 FK146)          Discovered 2001-Mar-24 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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