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113461 McCay (2002 SX50)
Classification: Main-belt Asteroid          SPK-ID: 2113461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140650446234152 4.8188e-08  
a 2.28059109528562 9.607e-09 au
q 1.959824940056064 1.1365e-07 au
i 6.930420674750691 4.2456e-06 deg
node 106.5157812215185 5.163e-05 deg
peri 325.9376515005472 5.6867e-05 deg
M 9.408431927948834 2.5046e-05 deg
tp 2458967.623595930362
(2020-Apr-28.12359593)
8.7417e-05 TDB
period 1257.967911731499
3.44
7.9488e-06
2.176e-08
d
yr
n .2861758210545186 1.8083e-09 deg/d
Q 2.601357250515175 1.0958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7824 days (21.42 yr)  
   first obs. used      1998-06-26  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61424  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:46:33  

Additional Information
 Earth MOID = .979145 au 
 Jupiter MOID = 2.64273 au 
 T_jup = 3.583 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO449668  
diameter diameter 1.930 km 0.508 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

113461 McCay           Discovered 2002 Sept. 30 by R. A. Tucker at Goodricke-Pigott.
Zenas Winsor McCay (1869-1934) was an American illustrator and one of the first creators of animated films. His best-known works are the cartoon strips Dream of the Rarebit Fiend and Little Nemo in Slumberland, and the animated film Gertie the Dinosaur. In 1996, he was inducted into the Will Eisner Hall of Fame.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-05-29Last Updated: 2018-09-17

Alternate Designations
 2002 SX50 = 2000 AZ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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