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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2154217414874407 6.5914e-08  
a 2.688410188385704 3.8253e-08 au
q 2.109268183771077 1.8624e-07 au
i 13.19274773361989 9.4451e-06 deg
node 207.7562841701466 2.9031e-05 deg
peri 143.0769570900772 3.8801e-05 deg
M 355.0810816723314 3.064e-05 deg
tp 2459022.499298711950
(2020-Jun-21.99929871)
0.00013741 TDB
period 1610.058758600228
4.41
3.4364e-05
9.408e-08
d
yr
n .2235943241680081 4.7722e-09 deg/d
Q 3.26755219300033 4.6494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   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      .58025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:44:47  

Additional Information
 Earth MOID = 1.12069 au 
 Jupiter MOID = 2.26633 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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