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12272 Geddylee (1990 SZ3)
Classification: Main-belt Asteroid          SPK-ID: 2012272
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1719335673254063 2.6751e-08  
a 2.665618955443701 1.0938e-08 au
q 2.207309579304042 7.4917e-08 au
i 11.67614727615611 4.2905e-07 deg
node 301.2793906956952 3.1555e-06 deg
peri 95.45796025275196 5.818e-06 deg
M 322.6500085264109 6.3363e-06 deg
tp 2459365.423876852644
(2021-May-30.92387685)		 2.8419e-05 TDB
period 1589.628091586989
4.35		 9.7839e-06
2.679e-08		 d
yr
n .2264680662761802 1.3939e-09 deg/d
Q 3.12392833158336 1.2818e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2316  
   data-arc span      11071 days (30.31 yr)  
   first obs. used      1990-09-22  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:14:34  

Additional Information
 Earth MOID = 1.25019 au 
 Jupiter MOID = 2.39774 au 
 T_jup = 3.333 
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Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.44   n/a E2021B10  
diameter diameter 6.508 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.69 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.240   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12272 Geddylee           Discovered 1990 Sept. 22 by B. Roman at Palomar.
Geddy Lee (Gary Lee Weinrib, b. 1953) is the bassist, vocalist and keyboardist for the Canadian band Rush. Geddy is the son of Polish concentration-camp survivors. He has become one of the most influential bass guitarists in rock music, and his voice is one of the most distinctive attributes of the band.
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

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