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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852212675008639 5.4416e-08  
a 2.426938203149792 3.0536e-08 au
q 1.977417633016118 1.4316e-07 au
i 1.432484437543255 8.0601e-06 deg
node 17.69217115411328 0.00024792 deg
peri 276.715597354402 0.00024932 deg
M 160.8209252407259 2.3784e-05 deg
tp 2458383.583253391922
(2018-Sep-22.08325339)
9.0125e-05 TDB
period 1380.977185938156
3.78
2.6063e-05
7.136e-08
d
yr
n .2606849726886957 4.9199e-09 deg/d
Q 2.876458773283466 3.6192e-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 = .962007 au 
 Jupiter MOID = 2.31925 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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