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26800 Gualtierotrucco (1981 EK1)
Classification: Main-belt Asteroid          SPK-ID: 2026800
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1099043010511735 7.7867e-08  
a 2.42565183697336 1.4198e-08 au
q 2.159062267237308 1.9168e-07 au
i 8.298469763248283 9.8361e-06 deg
node 351.8843766607558 3.6039e-05 deg
peri 131.1553837266638 5.556e-05 deg
M 109.5413968173666 3.8096e-05 deg
tp 2456980.628015057268
(2014-Nov-19.12801506)
0.00014711 JED
period 1379.879378673578
3.78
1.2115e-05
3.317e-08
d
yr
n .2608923689736224 2.2905e-09 deg/d
Q 2.692241406709412 1.5758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      12503 days (34.23 yr)  
   first obs. used      1981-03-06  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51856  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:53:53  

Additional Information
 Earth MOID = 1.18394 au 
 Jupiter MOID = 2.36607 au 
 T_jup = 3.488 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO337485  
rotation period rot_per 6.8197 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.]

26800 Gualtierotrucco           Discovered 1981 Mar. 6 by H. Debehogne and G. De Sanctis at the European Southern Observatory.
Gualtiero Trucco (b. 1953) is a cardiologist specializing in arrhythmology, who developed a project in secondary schools with the aim to train students in basic life support and the use of automatic defibrillators.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-12-25Last Updated: 2016-01-04

[ show close-approach data ]
Alternate Designations
 1981 EK1 = 1998 SO100 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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