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12165 Ringleb (3289 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2012165
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01781743332548539 7.6187e-08  
a 2.989027208537401 3.4573e-08 AU
q 2.935770415541224 2.1758e-07 AU
i 9.788187701268402 8.2334e-06 deg
node 168.8764569515369 3.8429e-05 deg
peri 318.683778243314 0.00024179 deg
M 228.6565543498379 0.000241 deg
tp 2457689.150923104417
(2016-Oct-27.65092310)
0.0012663 JED
period 1887.527246528303
5.17
3.2749e-05
8.966e-08
d
yr
n .1907257236483033 3.3091e-09 deg/d
Q 3.042284001533578 3.5189e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      14872 days (40.72 yr)  
   first obs. used      1973-09-19  
   last obs. used      2014-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52173  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:49:03  

Additional Information
 Earth MOID = 1.95362 AU 
 T_jup = 3.234 
[ 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 13.1 mag n/a MPO266023  

12165 Ringleb           Discovered 1973 Sept. 30 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Peter Ringleb (b. 1965), a neurologist in the apoplectic department of the Heidelberg University hospital, is a great leader who brings lots of experience to his outstanding team.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20081113/MPCPages.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 3289 T-2 = 1983 QN 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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