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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021455801498584 3.7707e-08  
a 3.111421592905859 1.4328e-08 au
q 2.482461469917107 1.204e-07 au
i 14.20709835036695 4.8488e-06 deg
node 21.34530137790292 1.6179e-05 deg
peri 94.28703969170969 2.1042e-05 deg
M 14.58958453511523 1.1248e-05 deg
tp 2458919.258647881096
(2020-Mar-10.75864788)		 6.2644e-05 TDB
period 2004.641509318641
5.49		 1.3847e-05
3.791e-08		 d
yr
n .1795832313790413 1.2404e-09 deg/d
Q 3.74038171589461 1.7224e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      30214 days (82.72 yr)  
   first obs. used      1938-02-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:38:56  

Additional Information
 Earth MOID = 1.5474 au 
 Jupiter MOID = 1.60967 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 12.2   n/a MPO502167  
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. 2020-October); 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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