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11581 Philipdejager (1994 PK9)
Classification: Main-belt Asteroid          SPK-ID: 2011581
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09056806164459134 5.1236e-08  
a 2.97591842288913 2.7045e-08 au
q 2.706395259715632 1.5326e-07 au
i 10.10187322124885 6.2781e-06 deg
node 159.5177634694948 3.3636e-05 deg
peri 160.391043823481 5.0237e-05 deg
M 71.24081629245454 3.6941e-05 deg
tp 2457029.429571179030
(2015-Jan-06.92957118)
0.00019271 JED
period 1875.12385915345
5.13
2.5561e-05
6.998e-08
d
yr
n .1919873176604594 2.6171e-09 deg/d
Q 3.245441586062627 2.9494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      8660 days (23.71 yr)  
   first obs. used      1992-03-02  
   last obs. used      2015-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50488  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Nov-30 16:09:10  

Additional Information
 Earth MOID = 1.69444 au 
 Jupiter MOID = 2.08859 au 
 T_jup = 3.231 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8 mag n/a MPO347617  

11581 Philipdejager           Discovered 1994 Aug. 10 by E. W. Elst at the European Southern Observatory.
Philip de Jager (b. 1969) is a Belgian percussionist. A brilliant student at the Antwerp Conservatory, he now performs with several Belgian orchestras. He has also performed for the musicals Les Misérables and The Phantom of the Opera.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1994 PK9 = 1992 EV7 = 1998 HR121 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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