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18406 (1993 FT14)
Classification: Main-belt Asteroid          SPK-ID: 2018406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2496926750007583 3.5178e-08  
a 2.59235154471633 9.427e-09 au
q 1.945060352973762 9.042e-08 au
i 5.561726847609694 4.7315e-06 deg
node 131.3606092458656 4.6699e-05 deg
peri 344.5066059106797 4.8074e-05 deg
M 273.4193540624154 1.247e-05 deg
tp 2459567.154981998114
(2021-Dec-18.65498200)
5.3979e-05 TDB
period 1524.541565726779
4.17
8.3159e-06
2.277e-08
d
yr
n .2361365594045845 1.288e-09 deg/d
Q 3.239642736458898 1.1781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1380  
   data-arc span      10713 days (29.33 yr)  
   first obs. used      1991-10-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:28:41  

Additional Information
 Earth MOID = .961897 au 
 Jupiter MOID = 1.8731 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.56   n/a E2021B10  
diameter diameter 3.020 km 0.244 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.597 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.369   0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18406 (1993 FT14)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FT14 = 1997 AG5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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