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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870217806153768 4.0688e-08  
a 3.083389935330028 1.8499e-08 au
q 2.506728859293074 1.2484e-07 au
i 15.31070906415682 4.4367e-06 deg
node 130.5577380811312 1.5867e-05 deg
peri 6.112910216855227 1.9547e-05 deg
M 227.9681079768479 1.2425e-05 deg
tp 2459725.799617766626
(2022-May-26.29961777)
7.2156e-05 TDB
period 1977.612063229386
5.41
1.7797e-05
4.873e-08
d
yr
n .1820377245333597 1.6382e-09 deg/d
Q 3.660051011366981 2.1958e-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 = 1.5213 au 
 Jupiter MOID = 1.39364 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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