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JPL Small-Body Database Browser
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392548 (2011 SM27)
Classification: Main-belt Asteroid          SPK-ID: 2392548
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162227375511916 6.7105e-08  
a 2.68936093802715 3.8148e-08 au
q 2.107859953743679 1.8888e-07 au
i 13.1997331710015 9.4787e-06 deg
node 207.8122452039493 2.9997e-05 deg
peri 143.0520429613042 3.951e-05 deg
M 265.7186655713526 2.9106e-05 deg
tp 2459022.386167029223
(2020-Jun-21.88616703)
0.00013745 TDB
period 1610.912924078978
4.41
3.4275e-05
9.384e-08
d
yr
n .2234757662061878 4.7549e-09 deg/d
Q 3.270861922310621 4.6396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1998-10-17  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:08:59  

Additional Information
 Earth MOID = 1.11846 au 
 Jupiter MOID = 2.25997 au 
 T_jup = 3.302 
[ 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 16.6   n/a MPO440694  

392548 (2011 SM27)          Discovered 2007-Nov-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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