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46216 (2001 FK171)
Classification: Main-belt Asteroid          SPK-ID: 2046216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09422631855429231 3.9448e-08  
a 2.640285000279084 1.4114e-08 au
q 2.391500664768667 1.0342e-07 au
i 15.57876394852717 5.0799e-06 deg
node 135.0954711274903 1.534e-05 deg
peri 128.948216320022 3.0764e-05 deg
M 100.5376605605281 2.5393e-05 deg
tp 2458562.876218985275
(2019-Mar-20.37621899)
0.0001105 TDB
period 1567.020361195418
4.29
1.2565e-05
3.44e-08
d
yr
n .2297353684194442 1.8421e-09 deg/d
Q 2.889069335789501 1.5444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      10055 days (27.53 yr)  
   first obs. used      1992-02-24  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51547  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:07  

Additional Information
 Earth MOID = 1.40395 au 
 Jupiter MOID = 2.35727 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456911.5 (2014-Sep-11.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0937893590406414 3.9468e-08  
q 2.393239194760016 1.036e-07 au
tp 2456998.382194792193
(2014-Dec-06.88219479)
0.00011191 TDB
node 135.1595418918863 1.5348e-05 deg
peri 129.6933554139485 3.0848e-05 deg
i 15.57303197151006 5.0781e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      10055 days (27.53 yr)  
   first obs. used      1992-02-24  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51547  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:11:07  

Additional Information
 Jupiter MOID = 2.35727 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.557754008577446E-15 -4.057497797328049E-15 8.551242886262745E-13 -4.145595357147902E-15 2.093570927392577E-13 -1.198069632192863E-15
q -4.057497797328049E-15 1.073212807087526E-14 -2.455828600982201E-12 1.185328091289822E-14 -6.017822971553427E-13 3.474459918105607E-15
tp 8.551242886262745E-13 -2.455828600982201E-12 1.252487069255019E-8 -4.258187141053337E-11 3.011276428870831E-9 1.090607543091817E-11
node -4.145595357147902E-15 1.185328091289822E-14 -4.258187141053337E-11 2.355661295797002E-10 -2.36279288905081E-10 -3.538019781945432E-12
peri 2.093570927392577E-13 -6.017822971553427E-13 3.011276428870831E-9 -2.36279288905081E-10 9.516163749912728E-10 6.03622775032899E-12
i -1.198069632192863E-15 3.474459918105607E-15 1.090607543091817E-11 -3.538019781945432E-12 6.03622775032899E-12 2.578729951923011E-11

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 14.6   n/a MPO347845  
diameter diameter 3.368 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46216 (2001 FK171)          Discovered 2001-Mar-24 by JPL/NEAT at Haleakala
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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