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246238 Crampton (2007 RL274)
Classification: Main-belt Asteroid          SPK-ID: 2246238
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using 2-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet has stopped working because of a recent Java upgrade, here is a possible workaround.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).

Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04733836403667622 1.1326e-07  
a 3.158527257660687 8.8814e-08 au
q 3.009007744517781 3.524e-07 au
i 13.98278013395864 9.2412e-06 deg
node 118.587871712947 3.7253e-05 deg
peri 309.820886628758 0.00011806 deg
M 163.6346076998557 0.00011071 deg
tp 2456668.538376083602
0.00061738 JED
period 2050.337574220855
n .1755808431383807 7.4056e-09 deg/d
Q 3.308046770803593 9.3018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      4875 days (13.35 yr)  
   first obs. used      2002-12-12  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49506  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 18:29:15  

Additional Information
 Earth MOID = 2.04234 au 
 Jupiter MOID = 1.86994 au 
 T_jup = 3.158 
[ 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 15.4 mag n/a MPO334451  

246238 Crampton           Discovered 2007 Sept. 5 by D. D. Balam at Mauna Kea.
David Crampton (b. 1942) has overseen the development of exceptionally efficient, multiplexed spectrographs for CFHT and Gemini. Using them he helped establish Canadian excellence in observational cosmology. He has also excelled in research on Galactic structure and multiple stars, including X-ray binaries.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2016-Apr-29 21:39 UT
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