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JPL Small-Body Database Browser
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11413 Catanach (1999 JG21)
Classification: Main-belt Asteroid          SPK-ID: 2011413
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465893634610621 3.6664e-08  
a 2.314792952887089 8.1637e-09 au
q 1.975468927379218 8.3479e-08 au
i 3.740717126553481 4.0681e-06 deg
node 31.8778001419439 6.501e-05 deg
peri 2.044597673415524 6.6865e-05 deg
M 67.61745252972212 1.4855e-05 deg
tp 2458358.885519925974
(2018-Aug-28.38551993)
5.3073e-05 TDB
period 1286.372224514309
3.52
6.805e-06
1.863e-08
d
yr
n .2798567888356916 1.4805e-09 deg/d
Q 2.65411697839496 9.3604e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1437  
   data-arc span      14451 days (39.56 yr)  
   first obs. used      1979-09-23  
   last obs. used      2019-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5398  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:02  

Additional Information
 Earth MOID = .981108 au 
 Jupiter MOID = 2.76607 au 
 T_jup = 3.565 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO416837  
diameter diameter 3.791 km 0.795 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.214   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

11413 Catanach           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Therese Anne Catanach (b. 1985) is a finalist in the 2002 Intel International Science and Engineering Fair for her zoology project. She attends the Bishop Lynch High School, Allen, Texas, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1999 JG21 = 1979 SZ7 = 1979 TH1 = 1986 TB15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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