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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533165391046916 3.3883e-08  
a 2.668145645255007 1.3117e-08 au
q 2.259074789097255 8.9341e-08 au
i 11.15296238126993 5.3738e-06 deg
node 194.6152224611602 1.9661e-05 deg
peri 286.1165275538561 2.6224e-05 deg
M 78.2733941695963 1.7901e-05 deg
tp 2458654.381835825004
(2019-Jun-19.88183582)
7.8393e-05 TDB
period 1591.888794716376
4.36
1.1739e-05
3.214e-08
d
yr
n .2261464501759625 1.6677e-09 deg/d
Q 3.077216501412758 1.5128e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      8102 days (22.18 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:06  

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 15.85   n/a E2021B55  
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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