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27619 Ethanmessier (2001 KS57)
Classification: Main-belt Asteroid          SPK-ID: 2027619
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977191130009262 6.6869e-08  
a 2.437416131898813 2.1841e-08 AU
q 1.955492376285632 1.5826e-07 AU
i 5.141986034724184 8.952e-06 deg
node 155.1562488751254 7.1606e-05 deg
peri 151.8249077954019 7.5745e-05 deg
M 112.0513808261466 2.5084e-05 deg
tp 2456367.878936472850
(2013-Mar-16.37893647)
9.3941e-05 JED
period 1389.930063525216
3.81
1.8682e-05
5.115e-08
d
yr
n .2590058373778523 3.4813e-09 deg/d
Q 2.919339887511995 2.6159e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      8512 days (23.30 yr)  
   first obs. used      1990-09-18  
   last obs. used      2014-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5069  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 01:49:55  

Additional Information
 Earth MOID = .941668 AU 
 T_jup = 3.471 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO267808  

27619 Ethanmessier           Discovered 2001 May 25 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ethan Wyatt Messier (b. 2000) is a finalist in the 2012 Broadcom MASTERS, a math and science competition for middle-school students, for his physical sciences project. He attends the New England Christian Academy, Swansea, Massachusetts.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2001 KS57 = 1990 SO12 = 1996 BA16 = 2000 DG19 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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