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12343 Martinbeech (1993 DT1)
Classification: Main-belt Asteroid          SPK-ID: 2012343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2466010555459857 3.2486e-08  
a 2.591841623016774 9.3162e-09 au
q 1.952690742972817 8.097e-08 au
i 3.193899638960218 3.9369e-06 deg
node 199.6222314743873 6.7852e-05 deg
peri 56.99365022233633 6.847e-05 deg
M 105.7902072869384 9.5103e-06 deg
tp 2458552.627822513159
(2019-Mar-10.12782251)
3.9517e-05 TDB
period 1524.091766432996
4.17
8.2174e-06
2.25e-08
d
yr
n .2362062494718075 1.2735e-09 deg/d
Q 3.230992503060731 1.1614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1193  
   data-arc span      14415 days (39.47 yr)  
   first obs. used      1981-05-08  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:53:37  

Additional Information
 Earth MOID = .940083 au 
 Jupiter MOID = 1.83689 au 
 T_jup = 3.373 
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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 15.2   n/a MPO492890  
diameter diameter 5.456 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12343 Martinbeech           Discovered 1993 Feb. 26 by Spacewatch at Kitt Peak.
Martin Beech (b. 1959) is an assistant professor of astronomy at the University of Regina, Saskatchewan. He does research on meteor light curves, the dynamics of meteoroid streams, cometary aging and meteoroid-stream formation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020128/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1993 DT1 = 1981 JA6 
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