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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05323444280626632 6.6432e-08  
a 2.992839017787758 3.3125e-08 AU
q 2.833516900266973 2.0838e-07 AU
i 10.38774459049586 1.0391e-05 deg
node 25.79105916158458 3.4807e-05 deg
peri 232.6932575998483 0.0001368 deg
M 278.9629099207804 0.00013886 deg
tp 2457226.201126665179
(2015-Jul-22.70112667)
0.00073111 JED
period 1891.139050645194
5.18
3.1397e-05
8.596e-08
d
yr
n .190361464894493 3.1604e-09 deg/d
Q 3.152161135308543 3.4888e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      922  
   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      .54295  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:19:10  

Additional Information
 Earth MOID = 1.83357 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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