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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593130018425279 4.2346e-08  
a 2.742757011751657 1.3122e-08 au
q 2.031524457709693 1.208e-07 au
i 13.55363128152402 4.0244e-06 deg
node 171.1482669850279 1.6596e-05 deg
peri 355.3465337957709 1.8477e-05 deg
M 326.721486224078 8.1322e-06 deg
tp 2459153.870152523157
(2020-Oct-31.37015252)
3.8105e-05 TDB
period 1659.126224209117
4.54
1.1906e-05
3.26e-08
d
yr
n .2169816827358069 1.5571e-09 deg/d
Q 3.453989565793621 1.6525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8955 days (24.52 yr)  
   first obs. used      1995-07-25  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:48:18  

Additional Information
 Earth MOID = 1.03874 au 
 Jupiter MOID = 1.52293 au 
 T_jup = 3.260 
[ 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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