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66239 (1999 FK2)
Classification: Main-belt Asteroid          SPK-ID: 2066239
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05260389979233444 4.1697e-08  
a 2.94734748625759 2.0782e-08 au
q 2.792305514437307 1.2309e-07 au
i 11.59210674510494 5.8581e-06 deg
node 352.905852147781 2.268e-05 deg
peri 58.18034532767552 6.4506e-05 deg
M 224.2354373292506 6.3137e-05 deg
tp 2459897.494519196590
(2022-Nov-13.99451920)		 0.00032697 TDB
period 1848.184990064665
5.06		 1.9547e-05
5.352e-08		 d
yr
n .1947856962020908 2.0602e-09 deg/d
Q 3.102389458077873 2.1875e-08 au
   Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      8677 days (23.76 yr)  
   first obs. used      1996-09-11  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:27  

Additional Information
 Earth MOID = 1.81736 au 
 Jupiter MOID = 2.10124 au 
 T_jup = 3.238 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.47   n/a MPCxxxxx  
diameter diameter 6.156 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66239 (1999 FK2)          Discovered 1999-Mar-16 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 FK2 = 2001 QY54 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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