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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968884328775177 5.35e-08  
a 2.437612950115702 1.7882e-08 au
q 1.957675156405479 1.2985e-07 au
i 5.148412961672379 7.1669e-06 deg
node 155.1156462467249 5.7796e-05 deg
peri 152.4397479742371 6.064e-05 deg
M 318.3943201288082 2.0665e-05 deg
tp 2457761.155527311158
(2017-Jan-07.65552731)
8.0816e-05 JED
period 1390.098419520439
3.81
1.5296e-05
4.188e-08
d
yr
n .258974468961841 2.8497e-09 deg/d
Q 2.917550743825926 2.1403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      9340 days (25.57 yr)  
   first obs. used      1990-09-18  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48885  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:49:49  

Additional Information
 Earth MOID = .944323 au 
 Jupiter MOID = 2.34313 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 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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