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

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863127591768864 4.0639e-08  
a 3.08515244518338 1.8647e-08 au
q 2.510349180639947 1.2472e-07 au
i 15.30543588281182 4.435e-06 deg
node 130.5560084658872 1.5871e-05 deg
peri 6.189334738405544 1.9578e-05 deg
M 155.0634227668566 1.2116e-05 deg
tp 2457747.949261558577
(2016-Dec-25.44926156)
6.3032e-05 TDB
period 1979.307952594176
5.42
1.7945e-05
4.913e-08
d
yr
n .1818817529269089 1.649e-09 deg/d
Q 3.659955709726813 2.2122e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1324  
   data-arc span      10781 days (29.52 yr)  
   first obs. used      1990-04-27  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:31:58  

Additional Information
 Earth MOID = 1.52534 au 
 Jupiter MOID = 1.39506 au 
 T_jup = 3.146 
[ 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 13.5   n/a MPO502431  
diameter diameter 11.037 km 1.431 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.069   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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