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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09827402531563109 4.4973e-08  
a 3.223185921617565 2.9234e-08 au
q 2.906430466759535 1.4484e-07 au
i 5.220202822825331 6.5984e-06 deg
node 346.0442881343072 4.8126e-05 deg
peri 238.1186716920765 5.7708e-05 deg
M 263.8550580120534 3.4157e-05 deg
tp 2459564.982397927510
(2021-Dec-16.48239793)
0.00020374 TDB
period 2113.617825879804
5.79
2.8756e-05
7.873e-08
d
yr
n .1703240744812266 2.3173e-09 deg/d
Q 3.539941376475596 3.2107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      21670 days (59.33 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:12:06  

Additional Information
 Earth MOID = 1.90226 au 
 Jupiter MOID = 1.47845 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 14.3   n/a MPO425979  
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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