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1546 Izsak (1941 SG1)
Classification: Main-belt Asteroid          SPK-ID: 2001546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262968425110081 2.6865e-08  
a 3.17108706323146 1.3016e-08 au
q 2.770588779817821 8.8298e-08 au
i 16.12047004810724 3.8498e-06 deg
node 190.3134987659327 1.068e-05 deg
peri 280.8538266916651 1.8534e-05 deg
M 251.7686259304797 1.58e-05 deg
tp 2459620.599451322994
(2022-Feb-10.09945132)
9.1753e-05 TDB
period 2062.579398954012
5.65
1.2699e-05
3.477e-08
d
yr
n .1745387354215627 1.0746e-09 deg/d
Q 3.571585346645099 1.466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3204  
   data-arc span      31128 days (85.22 yr)  
   first obs. used      1935-08-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4173  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:17  

Additional Information
 Earth MOID = 1.84245 au 
 Jupiter MOID = 1.70173 au 
 T_jup = 3.129 
[ 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 10.7   n/a MPO448927  
diameter diameter 26.438 km 0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.350 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 85-88.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.133   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1546 Izsak           Discovered 1941 Sept. 28 by G. Kulin at Budapest.
Named in memory of Imre Izsak (1929-1965), Hungarian-born astronomer and celestial mechanician, who made important contributions to the study of artificial-satellite motion. In his later years he worked at the Cincinnati Observatory and the Smithsonian Astrophysical Observatory.
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

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Alternate Designations
 1941 SG1 = 1935 QC = 1938 FH = 1978 BF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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