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37939 Hasler (1998 HA)
Classification: Main-belt Asteroid          SPK-ID: 2037939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09037675412100982 7.2608e-08  
a 2.572204863674161 1.652e-08 au
q 2.339737337161016 1.9204e-07 au
i 15.00446183377702 5.2794e-06 deg
node 47.63749825822153 2.3592e-05 deg
peri 161.3627281789483 4.4164e-05 deg
M 130.9304905309141 4.2143e-05 deg
tp 2458452.481709398897
(2018-Nov-29.98170940)
0.0001736 TDB
period 1506.803982910426
4.13
1.4516e-05
3.974e-08
d
yr
n .238916278482787 2.3016e-09 deg/d
Q 2.804672390187307 1.8013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      801  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1998-03-24  
   last obs. used      2019-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57764  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:35:32  

Additional Information
 Earth MOID = 1.33659 au 
 Jupiter MOID = 2.17102 au 
 T_jup = 3.376 
[ 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 14.9   n/a MPO395361  
diameter diameter 2.689 km 0.744 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37939 Hašler           Discovered 1998 Apr. 16 by L. Šarounová at Ondřejov.
Czech song writer, actor, movie director and cabaretier Karel Hašler (1879-1941) was enormously loved by all Czechs for his popular hits that became standards of the century.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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