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85593 (1998 FD57)
Classification: Main-belt Asteroid          SPK-ID: 2085593
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2619461573568702 3.7413e-08  
a 3.028596419143322 1.9022e-08 au
q 2.235267224963952 1.1304e-07 au
i 3.357849831939608 5.4317e-06 deg
node 177.0138432582524 6.8797e-05 deg
peri 66.04111418472175 6.9561e-05 deg
M 32.378485434928 1.0183e-05 deg
tp 2458827.353162819479
(2019-Dec-09.85316282)
5.3864e-05 TDB
period 1925.132091501311
5.27
1.8137e-05
4.966e-08
d
yr
n .1870001552564918 1.7618e-09 deg/d
Q 3.821925613322692 2.4005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      835  
   data-arc span      9430 days (25.82 yr)  
   first obs. used      1994-10-12  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:56:34  

Additional Information
 Earth MOID = 1.22506 au 
 Jupiter MOID = 1.2144 au 
 T_jup = 3.188 
[ 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 15.0   n/a MPO432399  
diameter diameter 5.751 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85593 (1998 FD57)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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