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JPL Small-Body Database Browser
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11196 Michanikos (1999 BO9)
Classification: Main-belt Asteroid          SPK-ID: 2011196
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07255965129407127 3.6634e-08  
a 2.749960374493265 1.209e-08 au
q 2.550424208647521 1.0419e-07 au
i 4.588934456259599 3.6313e-06 deg
node 231.6154271907175 5.3859e-05 deg
peri 147.939998985869 6.2092e-05 deg
M 277.2158774578907 3.0484e-05 deg
tp 2458983.529858359600
(2020-May-14.02985836)
0.00014161 TDB
period 1665.666613055129
4.56
1.0984e-05
3.007e-08
d
yr
n .2161296847630847 1.4253e-09 deg/d
Q 2.94949654033901 1.2967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2059  
   data-arc span      17405 days (47.65 yr)  
   first obs. used      1972-04-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51278  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:12:57  

Additional Information
 Earth MOID = 1.55351 au 
 Jupiter MOID = 2.41798 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1   n/a MPO502255  
diameter diameter 13.046 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.17865 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11196 Michanikos           Discovered 1999 Jan. 22 by J. Broughton at Reedy Creek.
Heron of Alexandria, also known as "Michanikos, the machine man" (c. 10-75), invented many automatic contrivances long before the age of the computer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050407/MPCPages.arcLast Updated: 2005-04-15

[ show close-approach data ]
Alternate Designations
 1999 BO9 = 1972 GW = 1979 XJ1 = 1991 JF3 = 1997 XW5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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