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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1936-Apr-04 11:30 00:01 Iris 0.034518290351873 0.034501276473803 0.0345353073620242 8.40441122577879 8.40441120596277 2428262.978889908 1.02220858656126 995.109706338729 66.8406112657678 31.5876045418216 40701.2792618307 T 17 CATAB v2.0f-lin.ifort 2020-Nov-12 16:46:28 2020-Nov-12 16:46
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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