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11229 Brookebowers (1999 JX52)
Classification: Main-belt Asteroid          SPK-ID: 2011229
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522919054593702 3.6896e-08  
a 2.239123757028101 7.5283e-09 au
q 1.898123333510948 8.3391e-08 au
i 3.628498691272237 3.6697e-06 deg
node 95.04000178719291 6.1162e-05 deg
peri 260.2134793070037 6.2487e-05 deg
M 356.9652687968471 1.6252e-05 deg
tp 2459010.816521864925
(2020-Jun-10.31652186)
5.5279e-05 TDB
period 1223.814441132189
3.35
6.172e-06
1.69e-08
d
yr
n .2941622421671645 1.4835e-09 deg/d
Q 2.580124180545254 8.6747e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1820  
   data-arc span      13449 days (36.82 yr)  
   first obs. used      1983-10-09  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:23:05  

Additional Information
 Earth MOID = .897398 au 
 Jupiter MOID = 2.85183 au 
 T_jup = 3.618 
[ 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 14.4   n/a MPO435805  
diameter diameter 3.507 km 0.996 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.274   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11229 Brookebowers           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brooke Nacole Bowers (b. 1986) is a finalist in the 2002 Intel International Science and Engineering Fair for her zoology project. She attends the Tuscarawas Valley High School, Dover, Ohio, 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

[ show close-approach data ]
Alternate Designations
 1999 JX52 = 1983 TK2 = 1993 SE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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