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19155 Lifeson (1990 SX3)
Classification: Main-belt Asteroid          SPK-ID: 2019155
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175390236005531 9.7017e-08  
a 2.585049526342444 2.0156e-08 AU
q 2.022700376422836 2.4567e-07 AU
i 12.29749028669545 9.5814e-06 deg
node 307.9821758067071 4.4432e-05 deg
peri 60.9819228501133 5.0557e-05 deg
M 153.6259225192973 2.431e-05 deg
tp 2455752.666007691951
(2011-Jul-10.16600769)		 0.00010119 JED
period 1518.104714401974
4.16		 1.7755e-05
4.861e-08		 d
yr
n .2371377920012682 2.7735e-09 deg/d
Q 3.147398676262052 2.4541e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      21644 days (59.26 yr)  
   first obs. used      1954-01-03  
   last obs. used      2013-04-07  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .59289  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 14:21:36  

Additional Information
 Earth MOID = 1.05133 AU 
 T_jup = 3.357 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a PDS3 (MPO 6464)  

19155 Lifeson           Discovered 1990 Sept. 22 by B. Roman at Palomar.
Alex Lifeson (Alexander Zivojinovich, b. 1953) is the guitarist for the Canadian band Rush. Cofounder of the band, he is an integral part of the Rush sound. Along with his band mates, Alex is an Officer of the Order of Canada.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070730/MPCPages.arcLast Updated: 2007-08-07

Alternate Designations
 1990 SX3 = 1969 PG = 1998 QK7 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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