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134178 Markchodas (2005 CR18)
Classification: Main-belt Asteroid          SPK-ID: 2134178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538652942736521 4.4178e-08  
a 3.147811905775769 3.1222e-08 au
q 2.663472900575475 1.4747e-07 au
i 1.901145672551298 6.334e-06 deg
node 132.1178055897754 0.0001564 deg
peri 315.7562143271381 0.000158 deg
M 299.8373231458556 2.3431e-05 deg
tp 2459341.407250423822
(2021-May-06.90725042)
0.00013555 TDB
period 2039.91272612601
5.58
3.035e-05
8.309e-08
d
yr
n .1764781382013703 2.6256e-09 deg/d
Q 3.632150910976063 3.6026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      9303 days (25.47 yr)  
   first obs. used      1994-03-05  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:26:49  

Additional Information
 Earth MOID = 1.68031 au 
 Jupiter MOID = 1.57965 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO417703  

134178 Markchodas           Discovered 2005 Feb. 2 by the Catalina Sky Survey.
Mark A. Chodas (b. 1990) is a student engineer at the Massachusetts Institute of Technology working as the Lead Systems Engineer ensuring that all system components meet science requirements for 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

[ show close-approach data ]
Alternate Designations
 2005 CR18 = 2003 UJ255 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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