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39954 (1998 FN118)
Classification: Main-belt Asteroid          SPK-ID: 2039954
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04203175464423422 4.4586e-08  
a 2.421963629282342 9.5899e-09 au
q 2.320164248259088 1.0797e-07 au
i 22.04336187982508 5.0435e-06 deg
node 206.0407996479821 1.0661e-05 deg
peri 139.7500096631916 4.9724e-05 deg
M 169.7347320561769 4.9158e-05 deg
tp 2458351.390342261275
(2018-Aug-20.89034226)
0.00018727 TDB
period 1376.733411925382
3.77
8.1769e-06
2.239e-08
d
yr
n .261488532842778 1.5531e-09 deg/d
Q 2.523763010305597 9.993e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1544  
   data-arc span      25517 days (69.86 yr)  
   first obs. used      1950-07-17  
   last obs. used      2020-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:18:55  

Additional Information
 Earth MOID = 1.33793 au 
 Jupiter MOID = 2.61728 au 
 T_jup = 3.412 
[ 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 14.2   n/a MPO459140  

39954 (1998 FN118)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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