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134174 Jameschen (2005 CU9)
Classification: Main-belt Asteroid          SPK-ID: 2134174
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0521356507114988 4.2901e-08  
a 2.888838982899555 2.3185e-08 au
q 2.738227482725343 1.2344e-07 au
i 10.65039857789637 5.0572e-06 deg
node 123.2252387053057 2.3519e-05 deg
peri 245.3372553918022 5.1855e-05 deg
M 203.1030840129612 4.599e-05 deg
tp 2459982.119412505896
(2023-Feb-06.61941251)
0.00023039 TDB
period 1793.425872853789
4.91
2.159e-05
5.911e-08
d
yr
n .2007331361999088 2.4166e-09 deg/d
Q 3.039450483073768 2.4394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      7417 days (20.31 yr)  
   first obs. used      2000-01-28  
   last obs. used      2020-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:14  

Additional Information
 Earth MOID = 1.75214 au 
 Jupiter MOID = 2.26019 au 
 T_jup = 3.264 
[ 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 15.69   n/a E2021B55  

134174 Jameschen           Discovered 2005 Feb. 1 by the Catalina Sky Survey.
Shuyi James Chen (b. 1988) worked as a student engineer at the Massachusetts Institute of Technology where he was the lead avionics and software engineer in the development of the student-built Regolith X-ray Imaging Spectrometer aboard the OSIRIS-REx Asteroid Sample Return Mission.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2016-08-18Last Updated: 2016-08-22

Alternate Designations
 2005 CU9 = 2002 NV47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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