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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674796150554788 4.9265e-08  
a 2.390327600366562 1.2969e-08 au
q 1.989996454000684 1.1945e-07 au
i 2.542674592114197 5.1019e-06 deg
node 158.5010755551826 0.00011352 deg
peri 85.41230904549981 0.00011462 deg
M 340.3029213660099 1.7174e-05 deg
tp 2457474.355677098667
(2016-Mar-26.85567710)
6.4612e-05 JED
period 1349.84706359646
3.70
1.0986e-05
3.008e-08
d
yr
n .2666968797493514 2.1705e-09 deg/d
Q 2.79065874673244 1.5141e-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 = .977896 au 
 Jupiter MOID = 2.22416 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. 2015-December); 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. (2015) 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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