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266798 (2009 SJ328)
Classification: Main-belt Asteroid          SPK-ID: 2266798
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09743437382001117 8.493e-08  
a 3.003905914198929 3.7891e-08 au
q 2.711222222434729 2.7419e-07 au
i 1.833525027361289 8.2605e-06 deg
node 189.0380712481658 0.00016956 deg
peri 178.3683872748391 0.00017266 deg
M 31.0673511883085 3.0517e-05 deg
tp 2458836.392041926797
(2019-Dec-18.89204193)
0.00016076 TDB
period 1901.638300229018
5.21
3.5981e-05
9.851e-08
d
yr
n .1893104487623353 3.5819e-09 deg/d
Q 3.29658960596313 4.1583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5514 days (15.10 yr)  
   first obs. used      2004-10-10  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:22:40  

Additional Information
 Earth MOID = 1.70988 au 
 Jupiter MOID = 2.16429 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 16.6   n/a MPO494441  

266798 (2009 SJ328)          Discovered 2009-Sep-26 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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