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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540491706630537 4.34e-08  
a 3.148532796010622 2.3578e-08 au
q 2.66350392997976 1.4699e-07 au
i 1.901118327623617 4.4892e-06 deg
node 132.1159833405115 0.00014947 deg
peri 315.7209619393927 0.00015063 deg
M 335.172779529267 1.7123e-05 deg
tp 2459341.229893521472
(2021-May-06.72989352)
9.738e-05 TDB
period 2040.613516420514
5.59
2.2922e-05
6.276e-08
d
yr
n .176417531836937 1.9817e-09 deg/d
Q 3.633561662041483 2.721e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      9806 days (26.85 yr)  
   first obs. used      1994-03-05  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54313  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:15  

Additional Information
 Earth MOID = 1.68003 au 
 Jupiter MOID = 1.57858 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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