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308880 (2006 SJ90)
Classification: Main-belt Asteroid          SPK-ID: 2308880
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06024260626009353 7.4772e-08  
a 2.786349090962498 3.4651e-08 au
q 2.618492159772475 2.1928e-07 au
i 5.869817721406001 8.7235e-06 deg
node 9.773184793519558 6.8943e-05 deg
peri 20.24977776633672 0.00010288 deg
M 330.5673840272581 7.8283e-05 deg
tp 2459139.392271281411
(2020-Oct-16.89227128)
0.00037068 TDB
period 1698.837021745364
4.65
3.169e-05
8.676e-08
d
yr
n .211909674319518 3.9529e-09 deg/d
Q 2.954206022152522 3.6738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      158  
   data-arc span      6609 days (18.09 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63906  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:58:14  

Additional Information
 Earth MOID = 1.62375 au 
 Jupiter MOID = 2.31857 au 
 T_jup = 3.321 
[ 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 MPO440450  

308880 (2006 SJ90)          Discovered 2006-Sep-18 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2006 SJ90 = 2001 SW331 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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