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66327 (1999 JY56)
Classification: Main-belt Asteroid          SPK-ID: 2066327
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1665203123239873 4.0371e-08  
a 2.326433931899239 1.1168e-08 au
q 1.939035426958256 9.4452e-08 au
i 4.115226015827253 5.3232e-06 deg
node 198.8299029484545 6.4841e-05 deg
peri 89.00460842834646 6.6776e-05 deg
M 296.0134863792027 1.7002e-05 deg
tp 2459230.867102149958
(2021-Jan-16.36710215)
6.1922e-05 TDB
period 1296.088067330331
3.55
9.3326e-06
2.555e-08
d
yr
n .2777589031750939 2e-09 deg/d
Q 2.713832436840223 1.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      8109 days (22.20 yr)  
   first obs. used      1996-10-18  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:39:49  

Additional Information
 Earth MOID = .928146 au 
 Jupiter MOID = 2.45082 au 
 T_jup = 3.552 
[ 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 16.1   n/a MPO426388  
diameter diameter 1.423 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66327 (1999 JY56)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/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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