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382236 (2012 SM2)
Classification: Main-belt Asteroid          SPK-ID: 2382236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06652061598309938 6.9111e-08  
a 3.163509007373321 4.445e-08 au
q 2.953070439534764 2.1782e-07 au
i 2.836047319552251 6.5361e-06 deg
node 270.5543722853429 0.00014655 deg
peri 91.9977525181793 0.00015514 deg
M 123.5649935521855 4.989e-05 deg
tp 2458295.084513244594
(2018-Jun-25.58451324)
0.00028441 TDB
period 2055.190292424489
5.63
4.3316e-05
1.186e-07
d
yr
n .1751662614050747 3.6919e-09 deg/d
Q 3.373947575211877 4.7407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      8958 days (24.53 yr)  
   first obs. used      1995-07-25  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58478  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:33:33  

Additional Information
 Earth MOID = 1.95201 au 
 Jupiter MOID = 1.99236 au 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO418952  

382236 (2012 SM2)          Discovered 2007-Oct-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 SM2 = 2007 TW215 = 2009 DJ68 = 2010 GU137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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