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132718 Kemeny (2002 ON27)
Classification: Main-belt Asteroid          SPK-ID: 2132718
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0600975865556062 6.438e-08  
a 2.889125527177987 2.3195e-08 au
q 2.715496055738396 1.8947e-07 au
i 2.239475026729864 6.0231e-06 deg
node 29.03963648791932 0.0001571 deg
peri 295.0552446710581 0.00016203 deg
M 261.5944744066159 4.0893e-05 deg
tp 2459690.803539829684
(2022-Apr-21.30353983)
0.00020484 TDB
period 1793.692714655377
4.91
2.1601e-05
5.914e-08
d
yr
n .2007032737874319 2.417e-09 deg/d
Q 3.062754998617577 2.4589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      7319 days (20.04 yr)  
   first obs. used      2000-03-08  
   last obs. used      2020-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:00:54  

Additional Information
 Earth MOID = 1.70224 au 
 Jupiter MOID = 2.13409 au 
 T_jup = 3.287 
[ 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 15.77   n/a E2021B55  
rotation period rot_per 5.89 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

132718 Kemény           Discovered 2002 July 23 by K. Sárneczky on NEAT images taken at Palomar.
Hungarian-born U.S. mathematician John George Kemény (1926-1992) was best known for co-developing the BASIC programming language in 1964 with Thomas Eugene Kurtz. He served as the thirteenth president of Dartmouth College (1970-1981) and pioneered the use of computers in college education.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080122/MPCPages.arcLast Updated: 2008-03-05

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Alternate Designations
 2002 ON27 = 2003 WF63 = 2005 CC28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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