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13197 Pontecorvo (1997 DC)
Classification: Main-belt Asteroid          SPK-ID: 2013197
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674639091757743 4.9269e-08  
a 2.390299654186401 1.285e-08 au
q 1.990010729994845 1.1943e-07 au
i 2.542703709120341 5.1019e-06 deg
node 158.5011155970504 0.00011352 deg
peri 85.44198048791432 0.00011462 deg
M 33.62179825501615 1.7337e-05 deg
tp 2457474.434750712030
(2016-Mar-26.93475071)
6.4635e-05 JED
period 1349.823391343984
3.70
1.0884e-05
2.98e-08
d
yr
n .2667015568914963 2.1506e-09 deg/d
Q 2.790588578377957 1.5001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1229  
   data-arc span      8161 days (22.34 yr)  
   first obs. used      1993-01-22  
   last obs. used      2015-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54219  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:17:07  

Additional Information
 Earth MOID = .978737 au 
 Jupiter MOID = 2.22523 au 
 T_jup = 3.512 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO337370  
rotation period rot_per 6.2366 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

13197 Pontecorvo           Discovered 1997 Feb. 17 by V. S. Casulli at the Colleverde di Guidonia.
Bruno Pontecorvo (1913-1993) was a student of Enrico Fermi and the first to theorize the neutrino oscillation that produces three different particles.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

Alternate Designations
 1997 DC = 1993 BC13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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