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22165 Kathydouglas (2000 WX137)
Classification: Main-belt Asteroid          SPK-ID: 2022165
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1060943871691667 3.3053e-08  
a 2.288607030706433 7.3191e-09 au
q 2.045798670312588 7.6718e-08 au
i 3.364259009964258 3.6169e-06 deg
node 327.3969748799962 5.6685e-05 deg
peri 157.457247891335 5.9634e-05 deg
M 259.7977412606505 1.93e-05 deg
tp 2459552.489962555632
(2021-Dec-03.98996256)
6.8599e-05 TDB
period 1264.606088867195
3.46
6.0664e-06
1.661e-08
d
yr
n .2846736253836005 1.3656e-09 deg/d
Q 2.531415391100278 8.0956e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      8845 days (24.22 yr)  
   first obs. used      1996-10-08  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53241  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:47  

Additional Information
 Earth MOID = 1.06153 au 
 Jupiter MOID = 2.51091 au 
 T_jup = 3.590 
[ 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 15.85   n/a E2021B10  
rotation period rot_per 78.114 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.]

22165 Kathydouglas           Discovered 2000 Nov. 20 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kathy Douglas mentored a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Coppell Middle School West, Coppell, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051019/MPCPages.arcLast Updated: 2005-10-26

Alternate Designations
 2000 WX137 = 1996 TH4 = 1998 FA134 = 1999 TU86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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