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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 ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05331980720853718 6.4409e-08  
a 2.992631359010168 3.1162e-08 AU
q 2.833064831901523 2.0013e-07 AU
i 10.3881892952581 1.0212e-05 deg
node 25.78975871324376 3.4114e-05 deg
peri 232.8237035352098 0.00012073 deg
M 316.9221320627108 0.00012037 deg
tp 2457226.771554425503
(2015-Jul-23.27155443)
0.00063256 JED
period 1890.942228426056
5.18
2.9535e-05
8.086e-08
d
yr
n .1903812790196396 2.9736e-09 deg/d
Q 3.152197886118813 3.2824e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      933  
   data-arc span      23066 days (63.15 yr)  
   first obs. used      1952-01-31  
   last obs. used      2015-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54027  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:30:59  

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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