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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05331981333314587 6.2208e-08  
a 2.992631355120178 2.9402e-08 AU
q 2.833064809890251 1.91e-07 AU
i 10.38818892432742 9.6236e-06 deg
node 25.78975969056389 3.2709e-05 deg
peri 232.8236781611261 0.00010133 deg
M 316.9221586801096 9.7318e-05 deg
tp 2457226.771414173313
(2015-Jul-23.27141417)
0.00051072 JED
period 1890.942224739128
5.18
2.7867e-05
7.63e-08
d
yr
n .1903812793908419 2.8057e-09 deg/d
Q 3.152197900350106 3.097e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      23136 days (63.34 yr)  
   first obs. used      1952-01-31  
   last obs. used      2015-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5412  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:58:50  

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 13.0 mag n/a MPO337325  

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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