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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09387817805775493 6.7232e-08  
a 2.627582081783964 1.7915e-08 AU
q 2.380909463248883 1.764e-07 AU
i 12.79176463829956 7.2022e-06 deg
node 169.0911464954779 2.4835e-05 deg
peri 11.56991672517989 3.7576e-05 deg
M 235.3033968042839 2.9103e-05 deg
tp 2457539.371216678912
(2016-May-30.87121668)
0.00012692 JED
period 1555.725120273948
4.26
1.5911e-05
4.356e-08
d
yr
n .2314033471006803 2.3666e-09 deg/d
Q 2.874254700319045 1.9597e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      15800 days (43.26 yr)  
   first obs. used      1971-10-14  
   last obs. used      2015-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49781  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:13:06  

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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