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27270 Guidotti (2000 AY4)
Classification: Main-belt Asteroid          SPK-ID: 2027270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06332611284110297 3.5779e-08  
a 2.446283205357529 8.5514e-09 au
q 2.291369599053763 8.5251e-08 au
i 2.784891589302143 3.2543e-06 deg
node 107.8412050708894 7.6149e-05 deg
peri 95.57129775304043 8.0571e-05 deg
M 39.15697376837623 2.5561e-05 deg
tp 2458848.492454349128
(2019-Dec-30.99245435)
9.9274e-05 TDB
period 1397.521594953002
3.83
7.3279e-06
2.006e-08
d
yr
n .2575988816917756 1.3507e-09 deg/d
Q 2.601196811661295 9.0929e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1812  
   data-arc span      10470 days (28.67 yr)  
   first obs. used      1991-10-18  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:33:16  

Additional Information
 Earth MOID = 1.28936 au 
 Jupiter MOID = 2.35705 au 
 T_jup = 3.494 
[ 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 14.5   n/a MPO365575  
rotation period rot_per 2.6 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Galad, A.; Kornos, L. (2008) Minor Planet Bull. 35, 144-146.]

27270 Guidotti           Discovered 2000 Jan. 2 by L. Tesi and A. Caronia at San Marcello Pistoiese.
Guido Guidotti (b. 1946) is the founder of Valdinievole Association of Astronomy "A. Pieri". His main activities are arranging lectures and exhibitions on astronomical subjects, in particular with regard to making observations of planets and comets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041126/MPCPages.arcLast Updated: 2004-12-06

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Alternate Designations
 2000 AY4 = 1995 YH24 = 1998 SS103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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