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22666 Josephchurch (1998 QE24)
Classification: Main-belt Asteroid          SPK-ID: 2022666
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 .1165107971572363 3.4977e-08  
a 2.475176148517161 1.1325e-08 au
q 2.186791402348848 8.9967e-08 au
i 5.527729342429025 4.0405e-06 deg
node 292.2153998603712 3.8566e-05 deg
peri 327.5822026547439 4.9357e-05 deg
M 324.9922555578738 3.6616e-05 deg
tp 2459338.814981552707
(2021-May-04.31498155)
0.00014526 TDB
period 1422.353657811104
3.89
9.762e-06
2.673e-08
d
yr
n .2531016094506434 1.7371e-09 deg/d
Q 2.763560894685473 1.2645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1625  
   data-arc span      9414 days (25.77 yr)  
   first obs. used      1994-09-02  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52038  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:57  

Additional Information
 Earth MOID = 1.17193 au 
 Jupiter MOID = 2.30936 au 
 T_jup = 3.466 
[ 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 14.36   n/a E2021B10  
diameter diameter 3.446 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.218 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.283   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22666 Josephchurch           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Joseph Christopher Church (b. 1992) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his engineering project. He attends the Alice Deal Junior High School, Washington, District of Columbia.
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 QE24 = 2000 AN155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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