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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972397593736001 6.3617e-08  
a 2.438876629854504 2.1778e-08 AU
q 1.957833190240105 1.4929e-07 AU
i 5.143581206984415 7.737e-06 deg
node 155.1306916254506 5.9214e-05 deg
peri 151.9977267225001 6.252e-05 deg
M 163.660965493174 2.2976e-05 deg
tp 2456368.050602410769
(2013-Mar-16.55060241)
8.3388e-05 JED
period 1391.179518256107
3.81
1.8634e-05
5.102e-08
d
yr
n .2587732174574225 3.4661e-09 deg/d
Q 2.919920069468903 2.6074e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1990-09-18  
   last obs. used      2015-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49171  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:55:53  

Additional Information
 Earth MOID = .945927 AU 
 T_jup = 3.470 
[ 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 15.0 mag n/a MPO337491  

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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