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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456813.5 (2014-Jun-05.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08001864565733284 3.9456e-08  
q 2.665919716957053 1.1499e-07 au
tp 2455989.366806289481
(2012-Mar-02.86680629)
0.00014828 TDB
node 300.2709186136157 0.00025304 deg
peri 29.84598935842362 0.00025463 deg
i 1.061354311878475 3.1344e-06 deg
  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
 Jupiter MOID = 2.14023 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.556783150006694E-15 -4.519648382460246E-15 3.289180307324468E-12 -5.312575151885434E-15 6.178317248573845E-13 5.564770131713011E-18
q -4.519648382460246E-15 1.322314902888242E-14 -9.401316905213125E-12 1.180372548258987E-14 -1.755185895704792E-12 -3.674693357876277E-17
tp 3.289180307324468E-12 -9.401316905213125E-12 2.198559967190477E-8 -2.914176379458182E-11 4.245373839262623E-9 -3.274922832613304E-13
node -5.312575151885434E-15 1.180372548258987E-14 -2.914176379458182E-11 6.402705082105388E-8 -6.402262532794173E-8 1.7624741607899E-10
peri 6.178317248573845E-13 -1.755185895704792E-12 4.245373839262623E-9 -6.402262532794173E-8 6.483404653134049E-8 -1.762878542523646E-10
i 5.564770131713011E-18 -3.674693357876277E-17 -3.274922832613304E-13 1.7624741607899E-10 -1.762878542523646E-10 9.82427047531998E-12

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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