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66317 (1999 JL50)
Classification: Main-belt Asteroid          SPK-ID: 2066317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06563006016726551 4.4378e-08  
a 2.311685068158841 9.3348e-09 au
q 2.159969038047807 1.0623e-07 au
i 4.947909417982736 4.3393e-06 deg
node 160.7539646455154 3.9079e-05 deg
peri 340.0952746035633 4.9074e-05 deg
M 80.60547333811991 2.7988e-05 deg
tp 2458713.055859276419
(2019-Aug-17.55585928)
9.984e-05 TDB
period 1283.782432818385
3.51
7.7761e-06
2.129e-08
d
yr
n .2804213477276401 1.6986e-09 deg/d
Q 2.463401098269876 9.9475e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      7215 days (19.75 yr)  
   first obs. used      1999-05-10  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:51:12  

Additional Information
 Earth MOID = 1.1731 au 
 Jupiter MOID = 2.53044 au 
 T_jup = 3.576 
[ 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 15.4   n/a MPO359204  
diameter diameter 2.185 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.337   0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66317 (1999 JL50)          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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