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JPL Small-Body Database Browser
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185659 (1993 FT45)
Classification: Main-belt Asteroid          SPK-ID: 2185659
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03624038799324147 4.1979e-08  
a 2.866114336312142 2.5732e-08 au
q 2.762245240731198 1.1645e-07 au
i 12.78195670755612 4.886e-06 deg
node 178.3826120741407 1.6679e-05 deg
peri 39.17043275311313 6.7391e-05 deg
M 186.0781132200376 6.8129e-05 deg
tp 2459856.729982693803
(2022-Oct-04.22998269)
0.00034014 TDB
period 1772.305944218182
4.85
2.3868e-05
6.535e-08
d
yr
n .2031252003495407 2.7355e-09 deg/d
Q 2.969983431893085 2.6665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      9739 days (26.66 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:31:58  

Additional Information
 Earth MOID = 1.76881 au 
 Jupiter MOID = 1.9988 au 
 T_jup = 3.262 
[ 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 15.3   n/a MPO454278  

185659 (1993 FT45)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 1993 FT45 = 1998 HW138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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