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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08455743835082756 3.2352e-08  
a 2.962939163714263 1.6863e-08 au
q 2.712400618041242 9.9575e-08 au
i 10.13856295583041 3.7946e-06 deg
node 184.4397433176735 2.0302e-05 deg
peri 263.6253035274147 3.0045e-05 deg
M 289.1779914069421 2.2632e-05 deg
tp 2459366.978302771441
(2021-Jun-01.47830277)
0.00011783 TDB
period 1862.869913162149
5.10
1.5904e-05
4.354e-08
d
yr
n .1932502089686521 1.6498e-09 deg/d
Q 3.213477709387285 1.8289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      9431 days (25.82 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:33:52  

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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