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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666985301838603 3.5835e-08  
a 2.326891649573902 9.3821e-09 au
q 1.939002231692834 8.6353e-08 au
i 4.115002755891856 5.2335e-06 deg
node 198.8236000816047 5.047e-05 deg
peri 88.9888326647919 5.3015e-05 deg
M 351.5864556874068 1.6938e-05 deg
tp 2459230.799757600169
(2021-Jan-16.29975760)
6.1076e-05 TDB
period 1296.470587280823
3.55
7.8411e-06
2.147e-08
d
yr
n .2776769512026129 1.6794e-09 deg/d
Q 2.71478106745497 1.0946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      8668 days (23.73 yr)  
   first obs. used      1996-10-18  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:18  

Additional Information
 Earth MOID = .926197 au 
 Jupiter MOID = 2.44904 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 16.17   n/a E2021B10  
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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