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JPL Small-Body Database Browser
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66265 (1999 HZ6)
Classification: Main-belt Asteroid          SPK-ID: 2066265
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0978801479127689 3.4733e-08  
a 2.241884630632212 8.3028e-09 au
q 2.022448631382568 8.0239e-08 au
i .4828748326392155 3.8256e-06 deg
node 21.79117763515406 0.00043864 deg
peri 296.2426811730106 0.00043908 deg
M 11.69710375363736 2.0931e-05 deg
tp 2458960.662309089637
(2020-Apr-21.16230909)
7.1201e-05 TDB
period 1226.078611405922
3.36
6.8111e-06
1.865e-08
d
yr
n .2936190197357692 1.6311e-09 deg/d
Q 2.461320629881856 9.1154e-09 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      7384 days (20.22 yr)  
   first obs. used      1999-04-15  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:53:59  

Additional Information
 Earth MOID = 1.00914 au 
 Jupiter MOID = 2.75269 au 
 T_jup = 3.627 
[ 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 15.9   n/a MPO436244  

66265 (1999 HZ6)          Discovered 1999-Apr-19 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 HZ6 = 1999 JT106 = 2000 SK278 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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