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19444 Addicott (1998 FT109)
Classification: Main-belt Asteroid          SPK-ID: 2019444
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500084241417691 4.2687e-08  
a 2.267920461417367 7.5533e-09 au
q 1.927713286921274 9.5302e-08 au
i 5.659944751892802 4.7597e-06 deg
node 286.7770469016511 4.0249e-05 deg
peri 147.8748831555313 4.2866e-05 deg
M 277.3254991184668 1.4504e-05 deg
tp 2459286.989847812754
(2021-Mar-13.48984781)
5.0694e-05 TDB
period 1247.498855304595
3.42
6.2322e-06
1.706e-08
d
yr
n .2885774191048062 1.4417e-09 deg/d
Q 2.60812763591346 8.6864e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      12007 days (32.87 yr)  
   first obs. used      1986-10-05  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49708  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:27:54  

Additional Information
 Earth MOID = .945635 au 
 Jupiter MOID = 2.63297 au 
 T_jup = 3.593 
[ 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 14.3   n/a MPO337422  
diameter diameter 3.996 km 1.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.231   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19444 Addicott           Discovered 1998 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Charles Michael Addicott (b. 1987) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his mathematics project. He attends the Wellington High School, Wellington, Florida, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1998 FT109 = 1986 TY6 = 1986 VQ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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