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233691 (2008 SX9)
Classification: Main-belt Asteroid          SPK-ID: 2233691
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07979719950953156 4.9738e-08  
a 3.00611492192951 3.0398e-08 au
q 2.766235369755721 1.5039e-07 au
i 2.973743738698943 4.899e-06 deg
node 201.1944573380135 0.00010801 deg
peri 104.10001550098 0.00011271 deg
M 169.1932427272992 3.4541e-05 deg
tp 2458305.779662357572
(2018-Jul-06.27966236)
0.00018019 TDB
period 1903.736321611995
5.21
2.8876e-05
7.906e-08
d
yr
n .1891018183102 2.8683e-09 deg/d
Q 3.245994474103299 3.2824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      300  
   data-arc span      8169 days (22.37 yr)  
   first obs. used      1998-09-25  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57128  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:04:32  

Additional Information
 Earth MOID = 1.75118 au 
 Jupiter MOID = 1.93293 au 
 T_jup = 3.244 
[ 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 15.79   n/a MPCxxxxx  

233691 (2008 SX9)          Discovered 2008-Sep-22 by LINEAR at Socorro
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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