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17965 Brodersen (1999 JO43)
Classification: Main-belt Asteroid          SPK-ID: 2017965
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253631012410741 3.8795e-08  
a 2.608992516772725 1.1708e-08 au
q 2.281921123755341 1.0632e-07 au
i 3.205517693886067 3.8533e-06 deg
node 310.9710200460644 7.4961e-05 deg
peri 355.4895931140857 7.7136e-05 deg
M 295.9201236740297 2.021e-05 deg
tp 2459274.485034210449
(2021-Feb-28.98503421)
8.6916e-05 TDB
period 1539.244735960685
4.21
1.0362e-05
2.837e-08
d
yr
n .2338809362731483 1.5744e-09 deg/d
Q 2.936063909790108 1.3176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      10568 days (28.93 yr)  
   first obs. used      1991-07-10  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:17:19  

Additional Information
 Earth MOID = 1.26699 au 
 Jupiter MOID = 2.28596 au 
 T_jup = 3.397 
[ 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 14.8   n/a MPO319309  

17965 Brodersen           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Carl Harold Brodersen (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his zoology project. He attends the Juneau-Douglas High School, Juneau, Alaska, 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: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ show close-approach data ]
Alternate Designations
 1999 JO43 = 1991 NW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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