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100812 (1998 FK123)
Classification: Main-belt Asteroid          SPK-ID: 2100812
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533165582742866 4.3217e-08  
a 2.668145638185565 1.6383e-08 au
q 2.259074731964404 1.1985e-07 au
i 11.15296202209514 5.4262e-06 deg
node 194.6152305084771 2.4323e-05 deg
peri 286.116518009173 2.9942e-05 deg
M 78.27339885599579 1.9025e-05 deg
tp 2458654.381816477749
(2019-Jun-19.88181648)
8.2778e-05 TDB
period 1591.888788389643
4.36
1.4662e-05
4.014e-08
d
yr
n .2261464510747492 2.0828e-09 deg/d
Q 3.077216544406725 1.8894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58389  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:11:33  

Additional Information
 Earth MOID = 1.30392 au 
 Jupiter MOID = 2.09105 au 
 T_jup = 3.339 
[ 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 15.7   n/a MPO422320  
diameter diameter 4.481 km 0.303 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100812 (1998 FK123)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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