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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1884879266895153 2.9126e-08  
a 2.252557306767105 5.9491e-09 au
q 1.827977450265254 6.506e-08 au
i 1.880951228638644 3.68e-06 deg
node 191.666411618347 9.3374e-05 deg
peri 127.726049272325 9.39e-05 deg
M 208.9660259090064 1.0848e-05 deg
tp 2459518.565114720124
(2021-Oct-31.06511472)
3.8258e-05 TDB
period 1234.844295276781
3.38
4.8919e-06
1.339e-08
d
yr
n .2915347314450756 1.1549e-09 deg/d
Q 2.677137163268955 7.0704e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1327  
   data-arc span      13046 days (35.72 yr)  
   first obs. used      1984-08-02  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:08:25  

Additional Information
 Earth MOID = .815739 au 
 Jupiter MOID = 2.62511 au 
 T_jup = 3.602 
[ 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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