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39532 (1990 HZ1)
Classification: Main-belt Asteroid          SPK-ID: 2039532
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842686148280543 6.4133e-08  
a 3.087115252913837 3.9817e-08 au
q 2.518256801444846 2.0906e-07 au
i 15.29337521365377 6.8735e-06 deg
node 130.7104001682872 2.7082e-05 deg
peri 6.318742909322482 3.5729e-05 deg
M 296.8509832292926 2.6518e-05 deg
tp 2457748.029587110600
(2016-Dec-25.52958711)
0.00015084 JED
period 1981.197139047942
5.42
3.833e-05
1.049e-07
d
yr
n .1817083181197187 3.5155e-09 deg/d
Q 3.655973704382829 4.7155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      763  
   data-arc span      9364 days (25.64 yr)  
   first obs. used      1990-04-27  
   last obs. used      2015-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51926  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:38:07  

Additional Information
 Earth MOID = 1.53288 au 
 Jupiter MOID = 1.40395 au 
 T_jup = 3.146 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO351108  

39532 (1990 HZ1)          Discovered 1990-Apr-27 by McNaught, R. H. at Siding Spring
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 HZ1 = 2000 AG188 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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