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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157585607776154 6.2206e-08  
a 2.73073770218016 2.629e-08 AU
q 2.414631435914612 1.7521e-07 AU
i 4.742443763578672 8.2146e-06 deg
node 179.7586124224368 6.8848e-05 deg
peri 145.3366949541212 7.7344e-05 deg
M 232.9341017650264 3.8294e-05 deg
tp 2457582.261419249087
(2016-Jul-12.76141925)
0.00017785 JED
period 1648.232246722722
4.51
2.3803e-05
6.517e-08
d
yr
n .2184158213842797 3.1542e-09 deg/d
Q 3.046843968445708 2.9333e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      6598 days (18.06 yr)  
   first obs. used      1997-04-30  
   last obs. used      2015-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54126  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:46:00  

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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