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24344 Brianbarnett (2000 AB99)
Classification: Main-belt Asteroid          SPK-ID: 2024344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421567766543823 3.1248e-08  
a 2.258703995217408 6.4512e-09 au
q 1.937613915840926 7.1805e-08 au
i 3.320204320781603 3.7005e-06 deg
node 108.473868796437 6.302e-05 deg
peri 278.3590110848481 6.4571e-05 deg
M 88.35448972842957 1.3689e-05 deg
tp 2458896.191888252580
(2020-Feb-16.69188825)
4.6869e-05 TDB
period 1239.902132486893
3.39
5.312e-06
1.454e-08
d
yr
n .2903454962835993 1.2439e-09 deg/d
Q 2.57979407459389 7.3683e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1333  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1997-01-14  
   last obs. used      2021-03-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52541  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:33:14  

Additional Information
 Earth MOID = .944069 au 
 Jupiter MOID = 2.86071 au 
 T_jup = 3.606 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.50   n/a MPCxxxxx  
rotation period rot_per 6.646 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

24344 Brianbarnett           Discovered 2000 Jan. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brian Gray Barnett (b. 1990) was awarded second place in the 2008 Intel International Science and Engineering Fair for his biochemistry team project. He attends the Chamblee Charter High School, Chamblee, Georgia, 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: 20080917/MPCPages.arcLast Updated: 2008-09-19

Alternate Designations
 2000 AB99 = 1997 AL16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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