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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01772925729199603 7.7821e-08  
a 2.989458637481067 2.8528e-08 AU
q 2.936457756133385 2.2348e-07 AU
i 9.78717942203604 8.665e-06 deg
node 168.8778084109771 3.9722e-05 deg
peri 318.2458205420508 0.00025136 deg
M 190.9609591133722 0.00024933 deg
tp 2457686.985771301913
(2016-Oct-25.48577130)
0.0013089 JED
period 1887.935922937046
5.17
2.7024e-05
7.399e-08
d
yr
n .1906844377641541 2.7295e-09 deg/d
Q 3.042459518828748 2.9034e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      14531 days (39.78 yr)  
   first obs. used      1973-09-19  
   last obs. used      2013-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55336  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 17:02:27  

Additional Information
 Earth MOID = 1.95407 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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