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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05362912183653254 6.2118e-08  
a 2.993564231835523 2.93e-08 au
q 2.83302201092093 1.9071e-07 au
i 10.38723043993636 9.58e-06 deg
node 25.78326514995208 3.2651e-05 deg
peri 232.8535156441959 0.0001003 deg
M 33.03896152995272 9.5959e-05 deg
tp 2457226.877827570139
(2015-Jul-23.37782757)
0.00050463 JED
period 1891.826473361903
5.18
2.7775e-05
7.604e-08
d
yr
n .1902922942822847 2.7937e-09 deg/d
Q 3.154106452750117 3.0871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      951  
   data-arc span      23167 days (63.43 yr)  
   first obs. used      1952-01-31  
   last obs. used      2015-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54308  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 16:15:57  

Additional Information
 Earth MOID = 1.8321 au 
 Jupiter MOID = 1.87375 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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