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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1159625599419911 6.1145e-08  
a 2.7309474499186 2.5979e-08 au
q 2.414259792558987 1.7298e-07 au
i 4.742573224697239 8.1111e-06 deg
node 179.7562024913438 6.8539e-05 deg
peri 145.2975109766928 7.7034e-05 deg
M 320.3599664172496 3.8389e-05 deg
tp 2457582.009748427430
(2016-Jul-12.50974843)
0.00017658 JED
period 1648.422151244324
4.51
2.3522e-05
6.44e-08
d
yr
n .218390659048261 3.1163e-09 deg/d
Q 3.047635107278214 2.8992e-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 = 1.40237 au 
 Jupiter MOID = 2.25628 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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