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11652 Johnbrownlee (1997 CK13)
Classification: Main-belt Asteroid          SPK-ID: 2011652
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1246508963512009 3.8664e-08  
a 3.104884215800301 1.5496e-08 au
q 2.717857615234098 1.2177e-07 au
i 2.902979954427616 3.9128e-06 deg
node 100.3736519271758 8.5556e-05 deg
peri 129.6278095111105 8.701e-05 deg
M 36.46448573967569 1.5124e-05 deg
tp 2458798.088989280993
(2019-Nov-10.58898928)
8.3975e-05 TDB
period 1998.326930456548
5.47
1.496e-05
4.096e-08
d
yr
n .1801507023266471 1.3487e-09 deg/d
Q 3.491910816366504 1.7428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2268  
   data-arc span      12523 days (34.29 yr)  
   first obs. used      1986-03-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:17:53  

Additional Information
 Earth MOID = 1.70863 au 
 Jupiter MOID = 1.49875 au 
 T_jup = 3.207 
[ 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 12.7   n/a MPO473924  
diameter diameter 14.980 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11652 Johnbrownlee           Discovered 1997 Feb. 7 by P. Sicoli and F. Manca at Sormano.
John W. Brownlee (b. 1973) was the system administrator, principal programer and an observer on the Catalina Sky Survey team during 1998--2000. The citation was prepared by T. B. Spahr.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011230/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1997 CK13 = 1976 MH = 1986 ES 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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