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23812 Jannuzi (1998 QR46)
Classification: Main-belt Asteroid          SPK-ID: 2023812
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157585977574655 1.0235e-07  
a 2.730737711974328 3.4787e-08 AU
q 2.41463134359275 2.6726e-07 AU
i 4.742435091832378 9.0335e-06 deg
node 179.7586836328882 7.6472e-05 deg
peri 145.3366334306727 8.5538e-05 deg
M 232.9340876967315 4.7426e-05 deg
tp 2457582.261486789542
(2016-Jul-12.76148679)
0.00022351 JED
period 1648.232255590141
4.51
3.1495e-05
8.623e-08
d
yr
n .2184158202092119 4.1736e-09 deg/d
Q 3.046844080355906 3.8814e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      587  
   data-arc span      6474 days (17.72 yr)  
   first obs. used      1997-04-30  
   last obs. used      2015-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54982  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:05:49  

Additional Information
 Earth MOID = 1.40545 AU 
 T_jup = 3.340 
[ 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 14.7 mag n/a MPO290642  

23812 Jannuzi           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brigg Lowell Jannuzi (b. 1992) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his earth and space science project. He attends the Doolen Middle School, Tucson, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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