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1496 Turku (1938 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2001496
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621596787208645 3.196e-08  
a 2.205656960643934 5.3568e-09 au
q 1.847988336537475 7.1399e-08 au
i 2.501492515731794 3.494e-06 deg
node 294.3627256739315 7.959e-05 deg
peri .7601797927297462 8.0362e-05 deg
M 31.57457513095602 1.2932e-05 deg
tp 2458895.560160726308
(2020-Feb-16.06016073)
4.2808e-05 TDB
period 1196.479825360846
3.28
4.3587e-06
1.193e-08
d
yr
n .3008826328445844 1.0961e-09 deg/d
Q 2.563325584750393 6.2254e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2893  
   data-arc span      33590 days (91.96 yr)  
   first obs. used      1928-08-17  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43216  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:35:56  

Additional Information
 Earth MOID = .831973 au 
 Jupiter MOID = 2.61841 au 
 T_jup = 3.643 
[ 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 12.6   n/a MPO473784  
diameter diameter 7.758 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.47 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.203   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1496 Turku (1938 SA1)          Discovered 1938-Sep-22 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1938 SA1 = 1928 QN = 1928 RE = 1950 EC = 1954 MH = 1957 HB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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