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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2898769775300085 3.8259e-08  
a 2.270115627697254 8.6214e-09 au
q 1.612061370896736 8.7191e-08 au
i 6.73123907563664 4.744e-06 deg
node 138.8068876175104 2.833e-05 deg
peri 163.5475572855991 2.9349e-05 deg
M 322.1356916792068 7.9987e-06 deg
tp 2459331.900773451596
(2021-Apr-27.40077345)
2.818e-05 TDB
period 1249.310512734161
3.42
7.1169e-06
1.949e-08
d
yr
n .2881589455387892 1.6415e-09 deg/d
Q 2.928169884497772 1.1121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      10890 days (29.82 yr)  
   first obs. used      1990-07-27  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:03:55  

Additional Information
 Earth MOID = .596231 au 
 Jupiter MOID = 2.33432 au 
 T_jup = 3.548 
[ 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 15.48   n/a E2021B10  
diameter diameter 4.742 km 0.927 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 5.22 h n/a LCDB (Rev. 2020-October); 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] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

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

[ show close-approach data ]
Alternate Designations
 2000 GP124 = 1990 ON3 = 1997 RO10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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