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1497 Tampere (1938 SB1)
Classification: Main-belt Asteroid          SPK-ID: 2001497
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08258974579451832 3.9643e-08  
a 2.893627423741953 1.094e-08 au
q 2.654643470391058 1.1564e-07 au
i 1.060875468344808 3.1377e-06 deg
node 300.1917241119071 0.00025346 deg
peri 29.98569487362457 0.00025494 deg
M 242.2079030713281 2.9217e-05 deg
tp 2459588.769045809713
(2022-Jan-09.26904581)
0.00014666 TDB
period 1797.886802369573
4.92
1.0196e-05
2.792e-08
d
yr
n .2002350757152944 1.1355e-09 deg/d
Q 3.132611377092848 1.1843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3060  
   data-arc span      31732 days (86.88 yr)  
   first obs. used      1933-09-17  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4266  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:35:56  

Additional Information
 Earth MOID = 1.64364 au 
 Jupiter MOID = 2.14023 au 
 T_jup = 3.284 
[ 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 11.5   n/a MPO384761  
diameter diameter 15.519 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.64 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Brines, P.; Lozano, J.; Rodrigo, O.; Fornas, A.; et al. (2017) Minor Planet Bull. 44, 145-149.]
geometric albedo albedo 0.127   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1497 Tampere (1938 SB1)          Discovered 1938-Sep-22 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1938 SB1 = 1933 SQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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