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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04776552398313393 6.2735e-08  
a 3.160414762608055 6.6021e-08 au
q 3.009455895468049 2.2829e-07 au
i 13.98265425339748 6.0291e-06 deg
node 118.5685410859181 2.6788e-05 deg
peri 308.6387116997623 7.7589e-05 deg
M 50.55810205366037 7.5188e-05 deg
tp 2458712.294137339394
(2019-Aug-16.79413734)
0.0004249 TDB
period 2052.175741243165
5.62
6.4305e-05
1.761e-07
d
yr
n .1754235725357125 5.4969e-09 deg/d
Q 3.31137362974806 6.9174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6234 days (17.07 yr)  
   first obs. used      2002-12-12  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:39:13  

Additional Information
 Earth MOID = 2.04519 au 
 Jupiter MOID = 1.86391 au 
 T_jup = 3.157 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO413145  
diameter diameter 5.661 km 0.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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