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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01785570046006909 4.909e-08  
a 2.987703742447614 2.5789e-08 au
q 2.934356199359042 1.5563e-07 au
i 9.788919420806231 5.9889e-06 deg
node 168.8789727407062 3.0944e-05 deg
peri 320.2676995624549 0.00017848 deg
M 341.5612338002853 0.00017625 deg
tp 2457697.112669072006
(2016-Nov-04.61266907)
0.00092358 JED
period 1886.273760901665
5.16
2.4422e-05
6.686e-08
d
yr
n .1908524666260082 2.471e-09 deg/d
Q 3.041051285536186 2.6249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1033  
   data-arc span      15487 days (42.40 yr)  
   first obs. used      1973-09-19  
   last obs. used      2016-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:48:43  

Additional Information
 Earth MOID = 1.94988 au 
 Jupiter MOID = 1.94345 au 
 T_jup = 3.235 
[ 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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