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8447 Cornejo (1974 OE)
Classification: Main-belt Asteroid          SPK-ID: 2008447
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176643894518457 5.2204e-08  
a 2.311988397358242 1.2803e-08 AU
q 2.039949694163333 1.2136e-07 AU
i 7.131410367801414 8.3579e-06 deg
node 15.88682700012538 3.5173e-05 deg
peri 277.4945618058321 5.4561e-05 deg
M 175.8123049758697 4.2748e-05 deg
tp 2456373.418960992165
(2013-Mar-21.91896099)
0.00015196 JED
period 1284.035119577123
3.52
1.0666e-05
2.92e-08
d
yr
n .2803661632857521 2.3289e-09 deg/d
Q 2.584027100553151 1.4309e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1176  
   data-arc span      14452 days (39.57 yr)  
   first obs. used      1974-07-16  
   last obs. used      2014-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49488  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:15:57  

Additional Information
 Earth MOID = 1.04031 AU 
 T_jup = 3.564 
[ 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 13.9 mag n/a MPO266003  

8447 Cornejo           Discovered 1974 July 16 at the Félix Aguilar Observatory, El Leoncito.
Antonio Cornejo (b. 1930) was the founder and director for over 30 years of the Galileo Galilei Planetarium in Buenos Aires. He took part in numerous international meetings sponsored by planetarium associations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080520/MPCPages.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1974 OE = 1978 TN9 = 1978 TR6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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