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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197770242146132 3.5287e-08  
a 2.4376943185656 1.1852e-08 au
q 1.955590922904631 8.6006e-08 au
i 5.149165448377373 4.6098e-06 deg
node 155.0977089931456 4.8556e-05 deg
peri 152.408513838118 5.0542e-05 deg
M 321.0071401539427 1.7077e-05 deg
tp 2459151.073963578218
(2020-Oct-28.57396358)
6.6601e-05 TDB
period 1390.168023124349
3.81
1.0139e-05
2.776e-08
d
yr
n .258961502503067 1.8886e-09 deg/d
Q 2.919797714226569 1.4196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1151  
   data-arc span      10449 days (28.61 yr)  
   first obs. used      1990-09-18  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50835  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:40:00  

Additional Information
 Earth MOID = .942687 au 
 Jupiter MOID = 2.35067 au 
 T_jup = 3.471 
[ show covariance matrix ]

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 15.1   n/a MPO384983  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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