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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502233104410985 1.0045e-08  
a 2.268119985225988 5.4063e-09 au
q 1.927395492567725 2.5091e-08 au
i 5.659709555253162 4.1381e-07 deg
node 286.7776256273754 8.3378e-06 deg
peri 147.9242374460578 9.322e-06 deg
M 31.56721778096213 5.9665e-06 deg
tp 2459287.096486264596
(2021-Mar-13.59648626)
2.0604e-05 TDB
period 1247.663484885844
3.42
4.4609e-06
1.221e-08
d
yr
n .2885393412254414 1.0316e-09 deg/d
Q 2.608844477884252 6.2185e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2132  
   data-arc span      12627 days (34.57 yr)  
   first obs. used      1986-10-05  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43306  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:10:21  

Additional Information
 Earth MOID = .945172 au 
 Jupiter MOID = 2.63269 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 14.36   n/a MPCxxxxx  
diameter diameter 3.996 km 1.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 35.654 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
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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