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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821906760195119 3.8038e-08  
a 2.326871863830369 1.145e-08 au
q 1.902937505948332 8.9828e-08 au
i 6.051386374778419 6.1028e-06 deg
node 197.1958460574819 4.0785e-05 deg
peri 59.37799460811488 4.4531e-05 deg
M 303.9658140115609 1.9574e-05 deg
tp 2459202.293742882198
(2020-Dec-18.79374288)
7.1076e-05 TDB
period 1296.454051328227
3.55
9.5694e-06
2.62e-08
d
yr
n .2776804929038382 2.0496e-09 deg/d
Q 2.750806221712406 1.3536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7736 days (21.18 yr)  
   first obs. used      1999-03-17  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:46:27  

Additional Information
 Earth MOID = .896963 au 
 Jupiter MOID = 2.31003 au 
 T_jup = 3.544 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457175.5 (2015-Jun-02.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827129509445139 3.7944e-08  
q 1.901422729691899 8.9618e-08 au
tp 2456608.963753031381
(2013-Nov-12.46375303)
6.5609e-05 TDB
node 197.2267540958033 4.08e-05 deg
peri 59.3084388496267 4.4538e-05 deg
i 6.05027227790903 6.103e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7736 days (21.18 yr)  
   first obs. used      1999-03-17  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:46:27  

Additional Information
 Jupiter MOID = 2.31003 au 
 T_jup = 3.544 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.439714722489727E-15 -3.382144029794945E-15 -6.235854617163058E-13 9.015045743949711E-15 -1.918850931133999E-13 -2.864044074375611E-15
q -3.382144029794945E-15 8.031423742747501E-15 1.537020180168406E-12 -2.157845002197888E-14 4.778619418121211E-13 7.363480582506412E-15
tp -6.235854617163058E-13 1.537020180168406E-12 4.304543924706011E-9 -1.02221018729782E-11 1.184198063503347E-9 5.03910572833447E-12
node 9.015045743949711E-15 -2.157845002197888E-14 -1.02221018729782E-11 1.664669185382664E-9 -1.657498433617944E-9 -5.675606137902874E-11
peri -1.918850931133999E-13 4.778619418121211E-13 1.184198063503347E-9 -1.657498433617944E-9 1.983647144473113E-9 5.788334077536829E-11
i -2.864044074375611E-15 7.363480582506412E-15 5.03910572833447E-12 -5.675606137902874E-11 5.788334077536829E-11 3.724678180166737E-11

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

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