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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08455743942846319 3.2466e-08  
a 2.962939164475224 1.702e-08 au
q 2.712400615544889 9.9752e-08 au
i 10.13856318950299 3.7972e-06 deg
node 184.4397414553146 2.0464e-05 deg
peri 263.6253059526612 3.02e-05 deg
M 289.1779905697758 2.2753e-05 deg
tp 2459366.978307244656
(2021-Jun-01.47830724)
0.0001185 TDB
period 1862.8699138798
5.10
1.6052e-05
4.395e-08
d
yr
n .1932502088942045 1.6652e-09 deg/d
Q 3.213477713405559 1.8459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      9144 days (25.03 yr)  
   first obs. used      1994-10-08  
   last obs. used      2019-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 23:02:49  

Additional Information
 Earth MOID = 1.75219 au 
 Jupiter MOID = 2.00119 au 
 T_jup = 3.236 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO439234  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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