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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02961627532385952 2.8759e-08  
a 2.173342314826656 7.5005e-09 au
q 2.108976010457755 6.2474e-08 au
i 3.372847070792527 4.2709e-06 deg
node 164.8315409300207 6.2289e-05 deg
peri 245.3042074949511 0.00010339 deg
M 81.74570584327506 8.2314e-05 deg
tp 2458734.762357451377
(2019-Sep-08.26235745)
0.0002676 TDB
period 1170.282283706947
3.20
6.0582e-06
1.659e-08
d
yr
n .3076180892525143 1.5925e-09 deg/d
Q 2.237708619195556 7.7227e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      15558 days (42.60 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:20  

Additional Information
 Earth MOID = 1.11997 au 
 Jupiter MOID = 2.82924 au 
 T_jup = 3.684 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456548.5 (2013-Sep-13.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0295356880575752 2.8758e-08  
q 2.10958973820365 6.2508e-08 au
tp 2456393.936351032437
(2013-Apr-11.43635103)
0.00026866 TDB
node 164.8814012112359 6.2287e-05 deg
peri 245.2021384283313 0.00010354 deg
i 3.372108137683706 4.271e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      15558 days (42.60 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:20  

Additional Information
 Jupiter MOID = 2.82924 au 
 T_jup = 3.684 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.270158269864756E-16 -1.785436011108406E-15 7.869223932329429E-13 8.117613502749035E-16 2.340626238433419E-13 -5.33860741271772E-16
q -1.785436011108406E-15 3.907274269891125E-15 -1.839253605737881E-12 -1.978859357098902E-15 -5.480359508922476E-13 1.150976091614625E-15
tp 7.869223932329429E-13 -1.839253605737881E-12 7.218012482330234E-8 6.935961369479161E-11 2.223208186139673E-8 -1.502271904456139E-12
node 8.117613502749035E-16 -1.978859357098902E-15 6.935961369479161E-11 3.879612568944635E-9 -3.850767676816815E-9 -8.922347845390642E-11
peri 2.340626238433419E-13 -5.480359508922476E-13 2.223208186139673E-8 -3.850767676816815E-9 1.071988726974525E-8 8.861474888582073E-11
i -5.33860741271772E-16 1.150976091614625E-15 -1.502271904456139E-12 -8.922347845390642E-11 8.861474888582073E-11 1.824164753668816E-11

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-August); 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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