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JPL Small-Body Database Browser
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392555 (2011 SW52)
Classification: Main-belt Asteroid          SPK-ID: 2392555
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852144377360899 5.4429e-08  
a 2.426332039795513 3.0426e-08 au
q 1.976940315283727 1.4308e-07 au
i 1.432760821000405 8.0617e-06 deg
node 17.70372605963918 0.00024786 deg
peri 276.6128277510527 0.00024926 deg
M 56.63788437816032 2.3551e-05 deg
tp 2458383.315764530829
(2018-Sep-21.81576453)
9.0085e-05 TDB
period 1380.459839334155
3.78
2.5966e-05
7.109e-08
d
yr
n .260782668022882 4.9052e-09 deg/d
Q 2.875723764307299 3.6061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      7994 days (21.89 yr)  
   first obs. used      1996-09-13  
   last obs. used      2018-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5397  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:10:27  

Additional Information
 Earth MOID = .960828 au 
 Jupiter MOID = 2.31805 au 
 T_jup = 3.486 
[ 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 17.8   n/a MPO455786  

392555 (2011 SW52)          Discovered 2011-Sep-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 SW52 = 2006 HA143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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