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22038 Margarshain (1999 XJ182)
Classification: Main-belt Asteroid          SPK-ID: 2022038
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1254558730733995 3.6147e-08  
a 2.237640825060505 7.1285e-09 au
q 1.956915641727857 8.2839e-08 au
i 5.85694149415033 3.9798e-06 deg
node 9.006246464887646 3.7543e-05 deg
peri 68.09365346551095 4.1964e-05 deg
M 95.18150780410838 1.6485e-05 deg
tp 2458877.253320809781
(2020-Jan-28.75332081)
5.611e-05 TDB
period 1222.598876537824
3.35
5.8423e-06
1.6e-08
d
yr
n .2944547119325466 1.4071e-09 deg/d
Q 2.518366008393152 8.0228e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1264  
   data-arc span      11436 days (31.31 yr)  
   first obs. used      1989-11-22  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:19  

Additional Information
 Earth MOID = .980241 au 
 Jupiter MOID = 2.70648 au 
 T_jup = 3.620 
[ 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 15.42   n/a E2021B10  
diameter diameter 2.093 km 0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.721 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 0.254   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22038 Margarshain           Discovered 1999 Dec. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Margaret Shain mentored a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Our Lady of Perpetual Help School, New Albany, Indiana.
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
 1999 XJ182 = 1992 SZ9 = 1997 EZ32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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