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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621596760084524 3.3533e-08  
a 2.205656961012146 5.5895e-09 au
q 1.847988342828628 7.5238e-08 au
i 2.501491758961523 3.5629e-06 deg
node 294.3627368110779 8.0189e-05 deg
peri .7601690474745975 8.0974e-05 deg
M 31.57457435240365 1.3367e-05 deg
tp 2458895.560163287592
(2020-Feb-16.06016329)
4.423e-05 TDB
period 1196.479825660457
3.28
4.5481e-06
1.245e-08
d
yr
n .3008826327692405 1.1437e-09 deg/d
Q 2.563325579195663 6.4959e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2781  
   data-arc span      33529 days (91.80 yr)  
   first obs. used      1928-08-17  
   last obs. used      2020-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:31:58  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2133-Jan-17 23:32 00:01 Vesta 0.0444842113183047 0.0444787354701775 0.0444896872578544 3.27677147721055 3.27677066092409 2500139.480572510 1.16377734263487 289.005766825015 19.9873122106481 20.2514359811936 116514.474882969 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:32:17 2020-Jun-23 15:32

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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