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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09405836347977134 3.7289e-08  
a 2.64071849217106 1.2908e-08 au
q 2.392336832386681 9.5743e-08 au
i 15.57866890020964 3.8801e-06 deg
node 135.0942585089808 1.5083e-05 deg
peri 129.0077641461482 2.6008e-05 deg
M 146.4294888969064 2.1864e-05 deg
tp 2458562.959714415795
(2019-Mar-20.45971442)
9.395e-05 TDB
period 1567.406295953839
4.29
1.1492e-05
3.146e-08
d
yr
n .2296788018073663 1.684e-09 deg/d
Q 2.88910015195544 1.4122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1244  
   data-arc span      10579 days (28.96 yr)  
   first obs. used      1992-02-24  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:47:07  

Additional Information
 Earth MOID = 1.40288 au 
 Jupiter MOID = 2.3564 au 
 T_jup = 3.337 
[ 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 14.63   n/a MPCxxxxx  
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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