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442316 (2011 SM111)
Classification: Main-belt Asteroid          SPK-ID: 2442316
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615203383667192 6.6215e-08  
a 2.796408984045306 4.5888e-08 au
q 2.344732058730575 1.8924e-07 au
i 3.543086263376544 7.2749e-06 deg
node 265.2023325159224 0.00014591 deg
peri 57.61411552424633 0.00015028 deg
M 334.9863600403541 4.2045e-05 deg
tp 2459119.178993264423
(2020-Sep-26.67899326)
0.0002018 TDB
period 1708.045596087536
4.68
4.2042e-05
1.151e-07
d
yr
n .2107672071662601 5.1879e-09 deg/d
Q 3.248085909360038 5.33e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      4717 days (12.91 yr)  
   first obs. used      2006-05-26  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52832  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:28:41  

Additional Information
 Earth MOID = 1.33462 au 
 Jupiter MOID = 2.07419 au 
 T_jup = 3.305 
[ 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 MPO434643  

442316 (2011 SM111)          Discovered 2006-May-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SM111 = 2006 PV3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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