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8242 Joshemery (1975 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2008242
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05331980490514834 6.6265e-08  
a 2.992631360523906 3.2778e-08 AU
q 2.833064840227743 2.0788e-07 AU
i 10.38818973125288 1.0389e-05 deg
node 25.78975709315968 3.4802e-05 deg
peri 232.8237141795818 0.00013676 deg
M 316.922122184156 0.00013896 deg
tp 2457226.771606485451
(2015-Jul-23.27160649)
0.00073076 JED
period 1890.942229860776
5.18
3.1067e-05
8.506e-08
d
yr
n .190381278875191 3.1278e-09 deg/d
Q 3.152197880820069 3.4525e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      22789 days (62.39 yr)  
   first obs. used      1952-01-31  
   last obs. used      2014-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54202  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:12:18  

Additional Information
 Earth MOID = 1.83477 AU 
 T_jup = 3.228 
[ 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 12.9 mag n/a MPO259400  

8242 Joshemery           Discovered 1975 Sept. 30 by S. J. Bus at Palomar.
Joshua P. Emery (b. 1973) is a minor-planet spectroscopist in the Department of Earth and Planetary Sciences of the University of Tennessee. He specializes in interpreting the thermal infrared fluxes of minor planets, with a particular interest in Trojans.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1975 SA1 = 1974 OV1 = 1974 QP3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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