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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09059559743847023 5.0526e-08  
a 2.97535354592135 2.674e-08 au
q 2.705799613837935 1.5048e-07 au
i 10.10182975130102 6.1802e-06 deg
node 159.516418679122 3.3593e-05 deg
peri 160.2710413726894 5.0207e-05 deg
M 109.7645717595792 3.6893e-05 deg
tp 2457028.934534270578
(2015-Jan-06.43453427)
0.00019255 JED
period 1874.589991689507
5.13
2.5271e-05
6.919e-08
d
yr
n .1920419940338761 2.5888e-09 deg/d
Q 3.244907478004766 2.9162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8733 days (23.91 yr)  
   first obs. used      1992-03-02  
   last obs. used      2016-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5033  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:46:00  

Additional Information
 Earth MOID = 1.69523 au 
 Jupiter MOID = 2.08996 au 
 T_jup = 3.232 
[ 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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