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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153311843063967 1.0357e-07  
a 2.731802173619261 3.5557e-08 AU
q 2.416740193644963 2.6989e-07 AU
i 4.740868713749716 9.035e-06 deg
node 179.7634910266865 7.6707e-05 deg
peri 145.271535764936 8.5891e-05 deg
M 189.3138244683228 4.7457e-05 deg
tp 2457582.430480966551
(2016-Jul-12.93048097)
0.00022612 JED
period 1649.196089086408
4.52
3.2198e-05
8.815e-08
d
yr
n .2182881722690879 4.2618e-09 deg/d
Q 3.046864153593559 3.9657e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      6177 days (16.91 yr)  
   first obs. used      1997-04-30  
   last obs. used      2014-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54946  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 23:38:17  

Additional Information
 Earth MOID = 1.4057 AU 
 T_jup = 3.339 
[ 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 14.6 mag n/a MPO257035  

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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