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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723858990627397 3.9801e-08  
a 2.667530519323471 1.2917e-08 au
q 2.207685872472598 1.1014e-07 au
i 11.67514716822052 4.6879e-06 deg
node 301.2793937017839 2.0532e-05 deg
peri 95.28542733743248 2.5094e-05 deg
M 277.5832775584561 1.5465e-05 deg
tp 2459364.813580665694
(2021-May-30.31358067)
6.9709e-05 TDB
period 1591.338324970074
4.36
1.1558e-05
3.164e-08
d
yr
n .2262246779023373 1.6432e-09 deg/d
Q 3.127375166174344 1.5144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1955  
   data-arc span      10911 days (29.87 yr)  
   first obs. used      1990-09-22  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39888  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:32:20  

Additional Information
 Earth MOID = 1.2515 au 
 Jupiter MOID = 2.39583 au 
 T_jup = 3.332 
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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 13.3   n/a MPO395120  
diameter diameter 6.508 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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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