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JPL Small-Body Database Browser
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15609 Kosmaczewski (2000 GP124)
Classification: Mars-crossing Asteroid          SPK-ID: 2015609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2898067780466502 3.8325e-08  
a 2.270261733414495 8.8908e-09 au
q 1.612324495131037 8.7248e-08 au
i 6.73111864546911 4.7701e-06 deg
node 138.8062559711914 2.9452e-05 deg
peri 163.5299297235002 3.0509e-05 deg
M 264.5169444622051 7.8421e-06 deg
tp 2459331.887503898575
2.8234e-05 TDB
period 1249.431123999429
n .2881311287073113 1.6926e-09 deg/d
Q 2.928198971697953 1.1467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      10781 days (29.52 yr)  
   first obs. used      1990-07-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:22:14  

Additional Information
 Earth MOID = .598479 au 
 Jupiter MOID = 2.33454 au 
 T_jup = 3.548 
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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 15.4   n/a MPO412299  
diameter diameter 4.742 km 0.927 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 5.22 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2015) Minor Planet Bull. 42, 15-20.]
geometric albedo albedo 0.069   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

15609 Kosmaczewski           Discovered 2000 Apr. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Sara G. Kosmaczewski for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Sara is a student at the St. Rita School, Hamden, Connecticut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 2000 GP124 = 1990 ON3 = 1997 RO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-May-29 11:51 UT
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