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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08258974668488983 3.9594e-08  
a 2.893627423884012 1.0935e-08 au
q 2.654643467944981 1.1552e-07 au
i 1.060875387316934 3.1345e-06 deg
node 300.1917212128533 0.00025341 deg
peri 29.9856979905891 0.00025489 deg
M 242.2079027532484 2.9208e-05 deg
tp 2459588.769047441565
(2022-Jan-09.26904744)
0.00014661 TDB
period 1797.886802501971
4.92
1.0192e-05
2.79e-08
d
yr
n .2002350757005489 1.1351e-09 deg/d
Q 3.132611379823043 1.1839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3076  
   data-arc span      31756 days (86.94 yr)  
   first obs. used      1933-09-17  
   last obs. used      2020-08-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:25  

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

[ 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
2134-May-30 10:35 00:09 Iris 0.0187020515494276 0.0186996867856304 0.0187044181085204 2.57610730674525 2.57610718742344 2500636.940744628 9.44195392033014 320.485500795059 29.4812895868067 -69.0597471826861 88569.2942328805 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:32 2020-Nov-13 04:18
2149-Apr-16 22:34 00:08 Iris 0.0478977308898126 0.0478907521396281 0.0479047102558566 2.81086230644208 2.810862263743 2506072.440014018 7.93612202987685 441.74803882462 40.581492714586 38.2742427393003 109987.519680893 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:32 2020-Nov-13 04:18

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