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22619 Ajscheetz (1998 KJ10)
Classification: Main-belt Asteroid          SPK-ID: 2022619
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04176826539666808 3.7577e-08  
a 2.311717961838017 6.7989e-09 au
q 2.215161512485722 8.7839e-08 au
i 5.979927581760276 3.7828e-06 deg
node 147.8600036154284 3.2417e-05 deg
peri 249.6979428787659 5.1812e-05 deg
M 348.348301038152 3.9563e-05 deg
tp 2459242.051571414142
(2021-Jan-27.55157141)
0.00014106 TDB
period 1283.809833919605
3.51
5.6636e-06
1.551e-08
d
yr
n .2804153625314447 1.2371e-09 deg/d
Q 2.408274411190311 7.0828e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1621  
   data-arc span      8873 days (24.29 yr)  
   first obs. used      1996-11-19  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4988  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:18  

Additional Information
 Earth MOID = 1.22697 au 
 Jupiter MOID = 2.72689 au 
 T_jup = 3.576 
[ 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 15.16   n/a E2021B10  
rotation period rot_per 6.15 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.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

22619 Ajscheetz           Discovered 1998 May 22 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
A. J. Scheetz mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Staples High School, Westport, Connecticut.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060314/MPCPages.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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