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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0906521905712695 5.9061e-08  
a 2.976641745607034 3.0873e-08 AU
q 2.706802650821869 1.8361e-07 AU
i 10.10123621289262 6.6286e-06 deg
node 159.5172482762284 3.586e-05 deg
peri 160.571332110046 5.2099e-05 deg
M 354.2996100285043 3.8343e-05 deg
tp 2457030.202318157854
(2015-Jan-07.70231816)
0.00019982 JED
period 1875.807548307401
5.14
2.9183e-05
7.99e-08
d
yr
n .1919173426532158 2.9858e-09 deg/d
Q 3.246480840392199 3.3672e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      689  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1992-03-02  
   last obs. used      2015-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51674  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:33:24  

Additional Information
 Earth MOID = 1.69758 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 13.7 mag n/a MPO263453  

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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