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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157585575604811 6.1141e-08  
a 2.730737701302615 2.6109e-08 AU
q 2.414631443923801 1.7287e-07 AU
i 4.742444143167258 8.1111e-06 deg
node 179.7586105070239 6.8542e-05 deg
peri 145.33669607018 7.7061e-05 deg
M 232.9341029532664 3.8086e-05 deg
tp 2457582.261413528391
(2016-Jul-12.76141353)
0.00017681 JED
period 1648.232245928212
4.51
2.3638e-05
6.472e-08
d
yr
n .2184158214895643 3.1324e-09 deg/d
Q 3.04684395868143 2.9131e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      6608 days (18.09 yr)  
   first obs. used      1997-04-30  
   last obs. used      2015-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53765  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:33:53  

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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