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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08186252389816968 5.8317e-08  
a 2.965893392284486 3.43e-08 AU
q 2.723097873579173 1.7317e-07 AU
i 10.1490809377088 6.5792e-06 deg
node 184.5877291251485 3.4041e-05 deg
peri 261.4609897280677 5.5349e-05 deg
M 226.7114289480556 4.6375e-05 deg
tp 2457491.251986919144
(2016-Apr-12.75198692)
0.00024549 JED
period 1865.656697557222
5.11
3.2364e-05
8.861e-08
d
yr
n .1929615456430769 3.3473e-09 deg/d
Q 3.208688910989798 3.7107e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      1994-10-08  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53707  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:44:23  

Additional Information
 Earth MOID = 1.7616 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 13.5 mag n/a MPO267783  

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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