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65928 (1998 FW55)
Classification: Main-belt Asteroid          SPK-ID: 2065928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595236347089935 4.3352e-08  
a 2.742319173609269 1.3187e-08 au
q 2.030622534142028 1.2315e-07 au
i 13.55488001039717 4.4141e-06 deg
node 171.1615604318403 1.6606e-05 deg
peri 355.3788320979918 1.8515e-05 deg
M 239.8957769929099 7.801e-06 deg
tp 2459153.889869169915
(2020-Oct-31.38986917)
3.8087e-05 TDB
period 1658.728959841892
4.54
1.1965e-05
3.276e-08
d
yr
n .2170336496894072 1.5655e-09 deg/d
Q 3.45401581307651 1.661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      730  
   data-arc span      8901 days (24.37 yr)  
   first obs. used      1995-07-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57737  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 06:57:39  

Additional Information
 Earth MOID = 1.0383 au 
 Jupiter MOID = 1.52432 au 
 T_jup = 3.261 
[ 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 15.1   n/a MPO412594  
diameter diameter 4.955 km 1.527 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.066   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

65928 (1998 FW55)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FW55 = 2001 VL97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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