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66385 (1999 JY131)
Classification: Main-belt Asteroid          SPK-ID: 2066385
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660544435756651 5.84e-08  
a 2.424611591731164 1.4486e-08 au
q 2.021994062979138 1.4147e-07 au
i 1.718225029993302 6.7278e-06 deg
node 217.2753391430761 0.00012233 deg
peri 22.64681793543327 0.00012318 deg
M 208.8089885271435 1.4867e-05 deg
tp 2459579.642136970819
(2021-Dec-31.14213697)
5.9538e-05 TDB
period 1378.991828141353
3.78
1.2358e-05
3.383e-08
d
yr
n .2610602852412975 2.3395e-09 deg/d
Q 2.82722912048319 1.6891e-08 au
  Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8452 days (23.14 yr)  
   first obs. used      1996-09-17  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 05:50:44  

Additional Information
 Earth MOID = 1.00976 au 
 Jupiter MOID = 2.18111 au 
 T_jup = 3.492 
[ 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 16.3   n/a MPO453060  
diameter diameter 1.285 km 0.434 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.141   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66385 (1999 JY131)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JY131 = 2000 UC29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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