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JPL Small-Body Database Browser
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442323 (2011 SM132)
Classification: Main-belt Asteroid          SPK-ID: 2442323
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058066652766938 1.3039e-07  
a 2.720071296045818 6.7705e-08 au
q 2.160262493291774 4.0108e-07 au
i 11.72143078814499 7.9082e-06 deg
node 40.77296033126797 3.4808e-05 deg
peri 275.5908127882414 4.9658e-05 deg
M 301.7997737237312 2.2514e-05 deg
tp 2458865.405533704780
(2020-Jan-16.90553370)
0.00010138 TDB
period 1638.58455946599
4.49
6.1179e-05
1.675e-07
d
yr
n .2197018139346577 8.2029e-09 deg/d
Q 3.279880098799862 8.164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4695 days (12.85 yr)  
   first obs. used      2006-08-14  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:00  

Additional Information
 Earth MOID = 1.18487 au 
 Jupiter MOID = 2.16685 au 
 T_jup = 3.299 
[ 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 16.9   n/a MPO434643  

442323 (2011 SM132)          Discovered 2011-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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