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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02971284134465359 2.8741e-08  
a 2.173046756593628 7.4883e-09 au
q 2.108479363080447 6.2424e-08 au
i 3.373139889668658 4.2586e-06 deg
node 164.8308735808499 6.2126e-05 deg
peri 245.0805753043564 0.00010278 deg
M 143.4949844950947 8.1713e-05 deg
tp 2458734.123934539966
(2019-Sep-07.62393454)
0.00026559 TDB
period 1170.043567420656
3.20
6.048e-06
1.656e-08
d
yr
n .3076808505461166 1.5904e-09 deg/d
Q 2.237614150106808 7.7108e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      15838 days (43.36 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:57:22  

Additional Information
 Earth MOID = 1.11829 au 
 Jupiter MOID = 2.82885 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 15.11   n/a E2021B10  
rotation period rot_per 8.21 h n/a LCDB (Rev. 2020-October); 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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