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20208 Philiphe (1997 FC4)
Classification: Main-belt Asteroid          SPK-ID: 2020208
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08183324324084408 5.2874e-08  
a 2.965573775911102 3.2593e-08 AU
q 2.7228912557583 1.6123e-07 AU
i 10.15013438296827 6.2905e-06 deg
node 184.5825714114841 3.2005e-05 deg
peri 261.5586269672868 5.3791e-05 deg
M 265.203515934582 4.6616e-05 deg
tp 2457491.691966242242
(2016-Apr-13.19196624)
0.00024539 JED
period 1865.355129892574
5.11
3.0752e-05
8.419e-08
d
yr
n .1929927412914303 3.1817e-09 deg/d
Q 3.208256296063904 3.5261e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      7298 days (19.98 yr)  
   first obs. used      1994-10-08  
   last obs. used      2014-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53001  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:41:21  

Additional Information
 Earth MOID = 1.76184 AU 
 T_jup = 3.236 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO299108  

20208 Philiphe           Discovered 1997 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Philip Cody He (b. 1994) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for his plant-science project. He attends the Okemos High School, Okemos, Michigan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

Alternate Designations
 1997 FC4 = 1999 RG163 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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