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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2612973886143577 4.7938e-08  
a 3.02638569518872 2.4511e-08 au
q 2.23559901609606 1.5209e-07 au
i 3.357845812717826 6.4497e-06 deg
node 177.0527715239197 7.5155e-05 deg
peri 66.05601183685054 7.6074e-05 deg
M 317.5032852735246 1.3776e-05 deg
tp 2458827.506188552187
(2019-Dec-10.00618855)
7.5304e-05 TDB
period 1923.024600955199
5.26
2.3362e-05
6.396e-08
d
yr
n .1872050933831954 2.2743e-09 deg/d
Q 3.81717237428138 3.0916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      8970 days (24.56 yr)  
   first obs. used      1994-10-12  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:41  

Additional Information
 Earth MOID = 1.22526 au 
 Jupiter MOID = 1.21915 au 
 T_jup = 3.189 
[ 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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