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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02961627628292122 2.8779e-08  
a 2.173342314451884 7.5144e-09 au
q 2.108976008009714 6.2536e-08 au
i 3.372846958436621 4.2726e-06 deg
node 164.8315386610392 6.233e-05 deg
peri 245.3042084464284 0.00010343 deg
M 81.74570745931504 8.2335e-05 deg
tp 2458734.762352266716
(2019-Sep-08.26235227)
0.00026767 TDB
period 1170.282283404242
3.20
6.0694e-06
1.662e-08
d
yr
n .3076180893320829 1.5954e-09 deg/d
Q 2.237708620894055 7.7369e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      15540 days (42.55 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:36:53  

Additional Information
 Earth MOID = 1.11997 au 
 Jupiter MOID = 2.82924 au 
 T_jup = 3.684 
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Orbital Elements at Epoch 2456530.5 (2013-Aug-26.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02951539767350659 2.8785e-08  
q 2.109642437027236 6.258e-08 au
tp 2456394.088346768509
(2013-Apr-11.58834677)
0.00026886 TDB
node 164.884600540661 6.233e-05 deg
peri 245.2496540420632 0.00010361 deg
i 3.372030330274984 4.2725e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      15540 days (42.55 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:36:53  

Additional Information
 Jupiter MOID = 2.82924 au 
 T_jup = 3.684 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.285859468411256E-16 -1.789172029485664E-15 7.868340592078184E-13 7.936465709665178E-16 2.341782085138521E-13 -5.363966044073496E-16
q -1.789172029485664E-15 3.916301594723645E-15 -1.839809565755471E-12 -1.864594941762927E-15 -5.486042893032307E-13 1.153883885594162E-15
tp 7.868340592078184E-13 -1.839809565755471E-12 7.228335672572827E-8 6.905260235665762E-11 2.226348809608059E-8 -1.530624748802652E-12
node 7.936465709665178E-16 -1.864594941762927E-15 6.905260235665762E-11 3.885017082583511E-9 -3.856256409627027E-9 -8.895001964242596E-11
peri 2.341782085138521E-13 -5.486042893032307E-13 2.226348809608059E-8 -3.856256409627027E-9 1.073483533147283E-8 8.833252584604046E-11
i -5.363966044073496E-16 1.153883885594162E-15 -1.530624748802652E-12 -8.895001964242596E-11 8.833252584604046E-11 1.825420463123656E-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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