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17787 (1998 FT39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2017787
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09812959778844796 4.381e-08  
a 3.222853288047505 2.4969e-08 au
q 2.906595991160226 1.435e-07 au
i 5.220703229153156 6.5562e-06 deg
node 346.0405328685539 4.5429e-05 deg
peri 238.1688976504406 5.5003e-05 deg
M 297.8599677500424 3.2504e-05 deg
tp 2459565.277635737891
(2021-Dec-16.77763574)
0.00019212 TDB
period 2113.29064551186
5.79
2.4559e-05
6.724e-08
d
yr
n .1703504441116779 1.9797e-09 deg/d
Q 3.539110584934783 2.7419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      22031 days (60.32 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58204  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:35:16  

Additional Information
 Earth MOID = 1.90127 au 
 Jupiter MOID = 1.4782 au 
 T_jup = 3.174 
[ 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 14.33   n/a E2021B10  
diameter diameter 7.341 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.088   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17787 (1998 FT39)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FT39 = 1994 PL27 = 4234 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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