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JPL Small-Body Database Browser
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27263 Elainezhou (1999 XA193)
Classification: Main-belt Asteroid          SPK-ID: 2027263
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06085394522827303 5.9034e-08  
a 2.373384827362202 1.0782e-08 au
q 2.228954997072288 1.4001e-07 au
i 7.025285361318804 5.5262e-06 deg
node 346.8664861556906 3.2192e-05 deg
peri 210.9005742898742 4.793e-05 deg
M 111.8420208554064 3.3713e-05 deg
tp 2458585.590695388574
(2019-Apr-12.09069539)
0.00012559 TDB
period 1335.520840178854
3.66
9.1005e-06
2.492e-08
d
yr
n .2695577554235609 1.8368e-09 deg/d
Q 2.517814657652116 1.1438e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1997-03-05  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55655  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:27:28  

Additional Information
 Earth MOID = 1.2311 au 
 Jupiter MOID = 2.45141 au 
 T_jup = 3.530 
[ 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 14.9   n/a MPO337489  

27263 Elainezhou           Discovered 1999 Dec. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Elaine Zhou (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for her chemistry project. She attends the Lake Highland Prep School, Orlando, Florida, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 1999 XA193 = 1997 EM51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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