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31903 Euniceyou (2000 GK26)
Classification: Main-belt Asteroid          SPK-ID: 2031903
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848937373328201 3.4154e-08  
a 2.700601524732855 1.3885e-08 au
q 2.201277215778285 9.1599e-08 au
i 3.873476932262042 4.1074e-06 deg
node 20.02106098181415 5.887e-05 deg
peri 253.5131583077572 5.9964e-05 deg
M 136.075532101248 1.1474e-05 deg
tp 2458387.773406265822
(2018-Sep-26.27340627)
5.0429e-05 TDB
period 1621.023047554052
4.44
1.2502e-05
3.423e-08
d
yr
n .2220819750485355 1.7128e-09 deg/d
Q 3.199925833687425 1.6453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      16660 days (45.61 yr)  
   first obs. used      1974-06-18  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 02:33:55  

Additional Information
 Earth MOID = 1.18893 au 
 Jupiter MOID = 1.93317 au 
 T_jup = 3.340 
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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 15.4   n/a MPO302252  
diameter diameter 4.412 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31903 Euniceyou           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Eunice Linh You (b. 1996) was awarded first place in the 2015 Intel International Science and Engineering Fair for her microbiology project. She attends the Marianopolis College, Westmount, Quebec, Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-11-25Last Updated: 2015-11-30

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Alternate Designations
 2000 GK26 = 2001 QF216 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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