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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01781745470182309 6.6568e-08  
a 2.989027218829291 3.0378e-08 AU
q 2.935770361755284 1.9588e-07 AU
i 9.78818966468852 7.992e-06 deg
node 168.8764786717388 3.215e-05 deg
peri 318.6837143241689 0.00022935 deg
M 228.6565928209642 0.00023055 deg
tp 2457689.150724952021
(2016-Oct-27.65072495)
0.0012125 JED
period 1887.527256277071
5.17
2.8775e-05
7.878e-08
d
yr
n .1907257226632363 2.9076e-09 deg/d
Q 3.042284075903298 3.0919e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      15283 days (41.84 yr)  
   first obs. used      1973-09-19  
   last obs. used      2015-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:35:02  

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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