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312827 (2011 SW166)
Classification: Main-belt Asteroid          SPK-ID: 2312827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09320140272509315 1.5545e-07  
a 2.443304926369719 2.7443e-08 au
q 2.215585479946931 3.6586e-07 au
i 6.985072231545969 8.8909e-06 deg
node 29.52580151818547 4.3279e-05 deg
peri 22.59282859300686 9.4438e-05 deg
M 54.04892112374252 6.8139e-05 deg
tp 2458791.064903377333
(2019-Nov-03.56490338)
0.00026618 TDB
period 1394.970208777026
3.82
2.3502e-05
6.434e-08
d
yr
n .258070027399089 4.348e-09 deg/d
Q 2.671024372792507 3.0001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      229  
   data-arc span      9982 days (27.33 yr)  
   first obs. used      1992-09-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:48:10  

Additional Information
 Earth MOID = 1.2275 au 
 Jupiter MOID = 2.63512 au 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO413278  

312827 (2011 SW166)          Discovered 2002-Apr-08 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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