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JPL Small-Body Database Browser
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1452 Hunnia (1938 DZ1)
Classification: Main-belt Asteroid          SPK-ID: 2001452
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022149841613653 3.8676e-08  
a 3.111307753324892 1.7895e-08 au
q 2.482154705265166 1.2204e-07 au
i 14.20845836619033 7.0047e-06 deg
node 21.35597118804673 1.7133e-05 deg
peri 94.34796796659131 2.441e-05 deg
M 302.7086530952002 1.7683e-05 deg
tp 2458919.506414244008
(2020-Mar-11.00641424)
9.9691e-05 TDB
period 2004.531492664586
5.49
1.7294e-05
4.735e-08
d
yr
n .1795930876204188 1.5494e-09 deg/d
Q 3.740460801384618 2.1513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1607  
   data-arc span      29563 days (80.94 yr)  
   first obs. used      1938-02-26  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 18:09:32  

Additional Information
 Earth MOID = 1.54738 au 
 Jupiter MOID = 1.61063 au 
 T_jup = 3.141 
[ 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 12.1   n/a MPO267712  
diameter diameter 20.910 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.2 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Sarneczky, K.; Szabo, G.; Kiss, L.L. (1999) Astron. Astrophys. Suppl. Ser. 137, 363-368.]
geometric albedo albedo 0.046   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1452 Hunnia           Discovered 1938 Feb. 26 by G. Kulin at Budapest.
Named in honor of the Hungarian nation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5182Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1938 DZ1 = 1953 YA = 1953 YM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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