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JPL Small-Body Database Browser
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11775 Kohler (3224 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2011775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02942736675605021 2.899e-08  
a 2.173083824192076 8.1204e-09 au
q 2.109135689505936 6.3402e-08 au
i 3.372839994446587 4.5826e-06 deg
node 164.8402351475756 6.2405e-05 deg
peri 245.5430863537703 0.00010868 deg
M 318.4604543000886 8.9589e-05 deg
tp 2458735.512005122785
(2019-Sep-09.01200512)
0.00029128 TDB
period 1170.0735052648
3.20
6.5585e-06
1.796e-08
d
yr
n .3076729781335645 1.7246e-09 deg/d
Q 2.237031958878216 8.3594e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1261  
   data-arc span      15400 days (42.16 yr)  
   first obs. used      1977-10-07  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51889  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:19:10  

Additional Information
 Earth MOID = 1.11955 au 
 Jupiter MOID = 2.83041 au 
 T_jup = 3.684 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO452336  
rotation period rot_per 8.21 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

11775 Köhler           Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Georges J. F. Köhler (1946-1995), German biochemist and recipient of the 1984 Nobel Prize in medicine together with N. K. Jerne and C. Milstein. Jerne and Köhler, worked at the Basel Institute for Immunology.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 3224 T-3 = 1993 TE15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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