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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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01772916381800681 7.6015e-08  
a 2.989458602953362 3.4502e-08 AU
q 2.936458001654452 2.1719e-07 AU
i 9.787177052741763 8.2326e-06 deg
node 168.8778602165084 3.8434e-05 deg
peri 318.2459687586439 0.00024353 deg
M 190.9607612719808 0.00024265 deg
tp 2457686.986793476743
(2016-Oct-25.48679348)
0.001276 JED
period 1887.935890229071
5.17
3.2683e-05
8.948e-08
d
yr
n .19068444106771 3.3011e-09 deg/d
Q 3.042459204252272 3.5113e-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 = 1.95407 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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