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129773 Catmerrill (1999 JJ1)
Classification: Main-belt Asteroid          SPK-ID: 2129773
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821906778431364 3.8116e-08  
a 2.326871864253331 1.1467e-08 au
q 1.902937502050895 8.9976e-08 au
i 6.051386308057021 6.1037e-06 deg
node 197.1958445838998 4.0855e-05 deg
peri 59.37799598854727 4.4592e-05 deg
M 303.9658137940436 1.9577e-05 deg
tp 2459202.293743720555
(2020-Dec-18.79374372)
7.1089e-05 TDB
period 1296.454051681717
3.55
9.5837e-06
2.624e-08
d
yr
n .277680492828126 2.0527e-09 deg/d
Q 2.750806226455768 1.3556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-03-17  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:54  

Additional Information
 Earth MOID = .896963 au 
 Jupiter MOID = 2.31003 au 
 T_jup = 3.544 
[ 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 16.5   n/a MPO417677  

129773 Catmerrill           Discovered 1999 May 8 by the Catalina Sky Survey.
Catherine Merrill (b. 1979) was the Lead Systems Engineer and Deputy Program Manager for the OCAMS camera on the OSIRIS-REx Sample Return Mission, involved in all aspects of its development and delivery. She is presently the project manager of the primary mirror system for the Giant Magellan Telescope.
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 2016-11-14Last Updated: 2016-11-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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