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12345 (1993 FT8)
Classification: Main-belt Asteroid          SPK-ID: 2012345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16172495392665 4.0485e-08  
a 2.44796024721381 7.764e-09 au
q 2.052063989018886 9.8561e-08 au
i 3.350358691221594 2.8742e-06 deg
node 106.4046552588757 8.2904e-05 deg
peri 313.9996393721613 8.3874e-05 deg
M 141.8670278141943 1.2426e-05 deg
tp 2458449.205147196058
(2018-Nov-26.70514720)
4.7962e-05 TDB
period 1398.95894111036
3.83
6.6555e-06
1.822e-08
d
yr
n .2573342143367456 1.2243e-09 deg/d
Q 2.843856505408735 9.0196e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1786  
   data-arc span      9948 days (27.24 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:26:24  

Additional Information
 Earth MOID = 1.06652 au 
 Jupiter MOID = 2.47419 au 
 T_jup = 3.477 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO458945  
diameter diameter 3.012 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.407   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12345 (1993 FT8)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 19991123/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 FT8 = 1995 UW49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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