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66323 (1999 JH53)
Classification: Main-belt Asteroid          SPK-ID: 2066323
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1232506337207317 2.8224e-08  
a 2.27562872913826 5.8903e-09 au
q 1.995156046158866 6.3793e-08 au
i 7.084418810683185 3.4485e-06 deg
node 191.8696437075232 2.3421e-05 deg
peri 99.34657030195004 2.7686e-05 deg
M 58.45862726169335 1.3624e-05 deg
tp 2458996.891149993631
(2020-May-27.39114999)
4.7602e-05 TDB
period 1253.864304308154
3.43
4.8683e-06
1.333e-08
d
yr
n .2871124082271707 1.1148e-09 deg/d
Q 2.556101412117654 6.6163e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1890  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1999-05-10  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:14  

Additional Information
 Earth MOID = .992291 au 
 Jupiter MOID = 2.60698 au 
 T_jup = 3.589 
[ 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 14.95   n/a E2021B10  
diameter diameter 3.609 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.162   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66323 (1999 JH53)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JH53 = 2000 UU54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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