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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08472452720621741 3.1358e-08  
a 2.963464695717048 1.4292e-08 au
q 2.712386550480104 9.8385e-08 au
i 10.1379302580145 3.4862e-06 deg
node 184.4382981412503 1.7803e-05 deg
peri 263.5711492604265 2.7487e-05 deg
M 327.8891386739868 2.0112e-05 deg
tp 2459366.706313866500
(2021-Jun-01.20631387)
0.00010409 TDB
period 1863.365556733538
5.10
1.348e-05
3.691e-08
d
yr
n .1931988056230236 1.3976e-09 deg/d
Q 3.214542840953991 1.5503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1923  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1994-10-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4703  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:46:39  

Additional Information
 Earth MOID = 1.75184 au 
 Jupiter MOID = 2.00006 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 13.71   n/a E2021B10  

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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