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109886 (2001 SX8)
Classification: Main-belt Asteroid          SPK-ID: 2109886
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3032038902528715 6.0026e-08  
a 2.589729977308811 1.4177e-08 au
q 1.804513773484299 1.4949e-07 au
i 4.740364270196488 4.7587e-06 deg
node 246.1718970196719 7.3047e-05 deg
peri 146.816630144564 7.3668e-05 deg
M 156.2845440763089 1.4729e-05 deg
tp 2458339.664017621017
(2018-Aug-09.16401762)
5.791e-05 TDB
period 1522.2295657098
4.17
1.25e-05
3.422e-08
d
yr
n .2364952094673945 1.9419e-09 deg/d
Q 3.374946181133323 1.8475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      9634 days (26.38 yr)  
   first obs. used      1993-12-10  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:09:51  

Additional Information
 Earth MOID = .813235 au 
 Jupiter MOID = 2.08097 au 
 T_jup = 3.349 
[ 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 15.3   n/a MPO417564  

109886 (2001 SX8)          Discovered 2001-Sep-19 by Juels, C. W., Holvorcem, P. R. at Fountain Hills
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SX8 = 1997 WR48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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