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332605 (2008 SW285)
Classification: Main-belt Asteroid          SPK-ID: 2332605
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007809602955593147 8.6093e-08  
a 2.960890085309808 4.1893e-08 au
q 2.937766709348386 2.6428e-07 au
i 11.24733095393278 1.3951e-05 deg
node 200.3159683526118 2.932e-05 deg
peri 237.5091077010836 0.00077387 deg
M 58.07393443980612 0.00077144 deg
tp 2458700.300057541543
(2019-Aug-04.80005754)
0.0039882 TDB
period 1860.937791240263
5.09
3.9495e-05
1.081e-07
d
yr
n .193450851336664 4.1056e-09 deg/d
Q 2.98401346127123 4.222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      8610 days (23.57 yr)  
   first obs. used      1996-06-11  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 07:44:26  

Additional Information
 Earth MOID = 1.95122 au 
 Jupiter MOID = 2.00988 au 
 T_jup = 3.237 
[ 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 16.2   n/a MPO471449  

332605 (2008 SW285)          Discovered 2008-Sep-21 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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