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5382 McKay (1991 JR2)
Classification: Main-belt Asteroid          SPK-ID: 2005382
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09387818093071651 6.7814e-08  
a 2.627582082511509 1.811e-08 AU
q 2.380909456359185 1.7764e-07 AU
i 12.79176320886713 7.3099e-06 deg
node 169.0911466484089 2.4838e-05 deg
peri 11.56991615703449 3.7659e-05 deg
M 235.3033968771449 2.9129e-05 deg
tp 2457539.371216587856
(2016-May-30.87121659)
0.000127 JED
period 1555.72512092009
4.26
1.6084e-05
4.404e-08
d
yr
n .2314033470045712 2.3924e-09 deg/d
Q 2.874254708663834 1.981e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      15760 days (43.15 yr)  
   first obs. used      1971-10-14  
   last obs. used      2014-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50187  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:11:51  

Additional Information
 Earth MOID = 1.38725 AU 
 T_jup = 3.360 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO302097  

5382 McKay           Discovered 1991 May 8 by R. H. McNaught at Siding Spring.
Named for Christopher P. McKay (b. 1954), space scientist and exobiologist at NASA-Ames Research Center. McKay has made numerous seminal contributions to planetary science and the search for zones of life in the solar system, with a special interest in Mars, Titan, comets and microbial life in hostile environments on the earth. Name suggested and citation prepared by D. I. Steel.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980411/MPCPages.arcLast Updated: 2009-11-17

[ show close-approach data ]
Alternate Designations
 1991 JR2 = 1952 DK1 = 1971 TK2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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