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150206 (1998 SN9)
Classification: Main-belt Asteroid          SPK-ID: 2150206
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118596141639224 4.3144e-08  
a 2.353851651730294 8.082e-09 au
q 1.855165548995602 1.0284e-07 au
i 2.024425368496297 4.761e-06 deg
node 209.1232779657608 0.00011284 deg
peri 157.6992498284558 0.0001133 deg
M 58.83979857492693 1.0246e-05 deg
tp 2458984.906463632072
(2020-May-15.40646363)
3.7037e-05 TDB
period 1319.06762042396
3.61
6.7935e-06
1.86e-08
d
yr
n .2729200493029256 1.4056e-09 deg/d
Q 2.852537754464985 9.7942e-09 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      10635 days (29.12 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:36  

Additional Information
 Earth MOID = .852522 au 
 Jupiter MOID = 2.61323 au 
 T_jup = 3.524 
[ 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 16.7   n/a MPO436757  

150206 (1998 SN9)          Discovered 1998-Sep-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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