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JPL Small-Body Database Browser
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27123 Matthewlam (1998 WM14)
Classification: Main-belt Asteroid          SPK-ID: 2027123
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188241342300822 2.9338e-08  
a 2.25286601615084 6.04e-09 au
q 1.828783493246701 6.5664e-08 au
i 1.880826117003761 4.3366e-06 deg
node 191.6789181405993 9.8847e-05 deg
peri 127.6841611908976 9.9571e-05 deg
M 92.41803086278722 1.1702e-05 deg
tp 2458283.429612979711
(2018-Jun-13.92961298)
3.9741e-05 TDB
period 1235.098154133745
3.38
4.967e-06
1.36e-08
d
yr
n .2914748101558711 1.1722e-09 deg/d
Q 2.67694853905498 7.1769e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      12593 days (34.48 yr)  
   first obs. used      1984-08-02  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:01:48  

Additional Information
 Earth MOID = .815673 au 
 Jupiter MOID = 2.62267 au 
 T_jup = 3.601 
[ 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 15.4   n/a MPO347725  

27123 Matthewlam           Discovered 1998 Nov. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Matthew Lam (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his behavioral- and social-sciences project. He attends the Jericho Senior High School, Jericho, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 1998 WM14 = 1991 SR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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