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24074 Thomasjohnson (1999 TE198)
Classification: Main-belt Asteroid          SPK-ID: 2024074
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08913358069979178 1.7111e-08  
a 2.274669029805281 5.9697e-09 au
q 2.071919634271814 4.0279e-08 au
i 5.920337830451359 9.5664e-07 deg
node 5.095773609968202 1.0754e-05 deg
peri 195.5349663970992 1.153e-05 deg
M 272.146396121717 1.6628e-05 deg
tp 2459506.296724776611
(2021-Oct-18.79672478)
5.808e-05 TDB
period 1253.07120095039
3.43
4.9329e-06
1.351e-08
d
yr
n .2872941295969124 1.131e-09 deg/d
Q 2.477418425338747 6.5018e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1999  
   data-arc span      15032 days (41.16 yr)  
   first obs. used      1980-01-23  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:31:28  

Additional Information
 Earth MOID = 1.06932 au 
 Jupiter MOID = 2.48155 au 
 T_jup = 3.598 
[ 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 14.27   n/a MPCxxxxx  
rotation period rot_per 5.299 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

24074 Thomasjohnson           Discovered 1999 Oct. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Thomas Johnson mentored a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Macomb Junior High School, Macomb, Illinois.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28

Alternate Designations
 1999 TE198 = 1980 BR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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