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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09466573239335888 3.9436e-08  
a 2.641695502989802 1.4264e-08 au
q 2.391617463439029 1.0361e-07 au
i 15.57453157927893 5.0786e-06 deg
node 135.1006906995217 1.5345e-05 deg
peri 129.1419828497676 3.0648e-05 deg
M 8.461110052779171 2.5246e-05 deg
tp 2458563.640672660748
(2019-Mar-21.14067266)
0.00010998 TDB
period 1568.276237911871
4.29
1.2702e-05
3.478e-08
d
yr
n .2295513961745239 1.8593e-09 deg/d
Q 2.891773542540574 1.5615e-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 = 1.40332 au 
 Jupiter MOID = 2.35426 au 
 T_jup = 3.336 
[ 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 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

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