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12267 Denneau (1990 KN1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2012267
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07041105341277737 5.008e-08  
a 1.928516368002874 8.8538e-09 au
q 1.792727499008008 9.9701e-08 au
i 19.14840187271918 1.0622e-05 deg
node 240.1186336207562 1.5321e-05 deg
peri 255.7826569522248 8.189e-05 deg
M 17.14248438304736 7.9515e-05 deg
tp 2457553.919442462571
(2016-Jun-14.41944246)
0.00021604 JED
period 978.212978864231
2.68
6.7365e-06
1.844e-08
d
yr
n .3680180162994601 2.5344e-09 deg/d
Q 2.064305236997739 9.4773e-09 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      9387 days (25.70 yr)  
   first obs. used      1990-05-26  
   last obs. used      2016-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54877  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:49:13  

Additional Information
 Earth MOID = .871874 au 
 Jupiter MOID = 3.06433 au 
 T_jup = 3.845 
[ 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 15.9 mag n/a MPO358749  

12267 Denneau           Discovered 1990 May 31 by Spacewatch at Kitt Peak.
Larry Denneau (b. 1968) graduated in electrical engineering from the University of Arizona, plays keyboards and joined Pan-STARRS as software engineer for the Moving Object Processing System.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060613/MPCPages.arcLast Updated: 2008-05-22

Alternate Designations
 1990 KN1 = 1995 CV1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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