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66286 (1999 JF18)
Classification: Main-belt Asteroid          SPK-ID: 2066286
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916249637387078 3.4731e-08  
a 2.394411716176543 1.0041e-08 au
q 1.935582657888676 8.2379e-08 au
i 8.815952026818417 3.8643e-06 deg
node 232.5980338454158 2.3932e-05 deg
peri 31.98952693409719 2.5824e-05 deg
M 265.6803055603829 9.6712e-06 deg
tp 2459555.065564556007
(2021-Dec-06.56556456)
3.7354e-05 TDB
period 1353.308065707096
3.71
8.5128e-06
2.331e-08
d
yr
n .266014818888929 1.6733e-09 deg/d
Q 2.85324077446441 1.1965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      9933 days (27.20 yr)  
   first obs. used      1994-01-11  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:01:22  

Additional Information
 Earth MOID = .92478 au 
 Jupiter MOID = 2.22774 au 
 T_jup = 3.489 
[ 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 15.39   n/a MPCxxxxx  
diameter diameter 2.149 km 0.377 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.382   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66286 (1999 JF18)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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