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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05323443418044751 6.7686e-08  
a 2.992839018593362 3.064e-08 AU
q 2.833516926845379 2.09e-07 AU
i 10.38775582757124 1.0111e-05 deg
node 25.79104213076238 3.5453e-05 deg
peri 232.6932477019997 0.00013361 deg
M 278.9629390521166 0.00013562 deg
tp 2457226.200973805375
(2015-Jul-22.70097381)
0.000714 JED
period 1891.139051408772
5.18
2.9042e-05
7.951e-08
d
yr
n .1903614648176315 2.9234e-09 deg/d
Q 3.152161110341346 3.2272e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      22705 days (62.16 yr)  
   first obs. used      1952-01-31  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:54:11  

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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