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18238 Frankshu (1241 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2018238
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: MPO253491 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 0.0897835 n/a  
a 3.0589043 n/a AU
q 2.7842652 n/a AU
i 8.78184 n/a deg
node 4.62366 n/a deg
peri 286.65351 n/a deg
M 201.07670 n/a deg
tp 2457263.1454537
(2015-Aug-28.64545370)
n/a JED
period 1954.1021571
5.35
n/a
n/a
d
yr
n 0.18422783 n/a deg/d
Q 3.3335434 n/a AU
  Orbit Determination Parameters
   # obs. used (total)      407  
   first obs. used      1973-??-??  
   last obs. used      2013-01-31  
   # oppositions      13  
   planetary ephem.      DE403  
   condition code      0  
   fit RMS      0.59  
   data source      MPC:mpn  
   producer      MPCLINUX  

Additional Information
 T_jup = 3.210 

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a PDS3 (MPO 4284)  

18238 Frankshu           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Frank Shu (b. 1943), president of National Tsinghua University in Taiwan and former professor at the University of California in Berkeley, is well known for his fundamental contributions to the theory of star formation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

Alternate Designations
 1241 T-2 = 1998 FP142 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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