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187730 (2008 FX66)
Classification: Outer Main-belt Asteroid          SPK-ID: 2187730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .112870249364131 4.5354e-08  
a 3.225933550165178 2.9451e-08 au
q 2.861821625925918 1.4077e-07 au
i .7541115827150896 4.6602e-06 deg
node 175.0160032817682 0.00045291 deg
peri 330.6526723570557 0.00045379 deg
M 125.8627336537582 2.7426e-05 deg
tp 2458460.594574118277
(2018-Dec-08.09457412)
0.00015971 TDB
period 2116.321055366389
5.79
2.8982e-05
7.935e-08
d
yr
n .1701065153073738 2.3295e-09 deg/d
Q 3.590045474404437 3.2775e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2002-03-13  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:47:55  

Additional Information
 Earth MOID = 1.87373 au 
 Jupiter MOID = 1.41766 au 
 T_jup = 3.178 
[ 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 16.20   n/a E2021B55  

187730 (2008 FX66)          Discovered 2008-Mar-28 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2008 FX66 = 2005 WW123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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