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22734 Theojones (1998 SQ133)
Classification: Main-belt Asteroid          SPK-ID: 2022734
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .175857376639687 3.242e-08  
a 2.4012523800537 8.3953e-09 au
q 1.978974435847652 8.0938e-08 au
i 2.425560111459792 3.9895e-06 deg
node 8.443433641285321 7.7747e-05 deg
peri 82.50216416875058 7.8645e-05 deg
M 293.6623832873248 1.328e-05 deg
tp 2459450.945079388510
(2021-Aug-24.44507939)
5.0791e-05 TDB
period 1359.111663151391
3.72
7.1277e-06
1.951e-08
d
yr
n .2648788982983656 1.3891e-09 deg/d
Q 2.823530324259748 9.8717e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1201  
   data-arc span      9676 days (26.49 yr)  
   first obs. used      1994-08-12  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:58  

Additional Information
 Earth MOID = .997018 au 
 Jupiter MOID = 2.36968 au 
 T_jup = 3.503 
[ 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 15.43   n/a E2021B10  
rotation period rot_per 4.491 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.]

22734 Theojones           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Theo Percy Jones (b. 1993) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his behavioral science project. He attends the Jones Home School, Tucson, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

[ show close-approach data ]
Alternate Designations
 1998 SQ133 = 1994 PB22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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