Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09065864039385424 7.0845e-08  
a 2.976522059527198 3.9745e-08 AU
q 2.706674616508148 2.1607e-07 AU
i 10.10067495448153 8.2676e-06 deg
node 159.5211248687391 4.1022e-05 deg
peri 160.6332086290682 6.6377e-05 deg
M 315.8596798051411 5.7918e-05 deg
tp 2457030.482644570931
(2015-Jan-07.98264457)
0.00030394 JED
period 1875.694414540705
5.14
3.7569e-05
1.029e-07
d
yr
n .1919289182764624 3.8442e-09 deg/d
Q 3.246369502546249 4.3348e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1992-03-02  
   last obs. used      2013-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55288  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 16:53:57  

Additional Information
 Earth MOID = 1.69557 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-24 16:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin