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JPL Small-Body Database Browser
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410946 (2009 ST311)
Classification: Main-belt Asteroid          SPK-ID: 2410946
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 .05972884748385628 6.6526e-08  
a 2.860843337093686 3.8927e-08 au
q 2.689968461737211 2.0127e-07 au
i 2.191407000292791 8.184e-06 deg
node 164.508971293096 0.0001826 deg
peri 250.5826329176708 0.00020005 deg
M 301.383296252083 7.7217e-05 deg
tp 2458888.278558463277
(2020-Feb-08.77855846)
0.00037934 TDB
period 1767.419087438217
4.84
3.6074e-05
9.877e-08
d
yr
n .2036868349780026 4.1573e-09 deg/d
Q 3.031718212450161 4.1252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5074 days (13.89 yr)  
   first obs. used      2005-12-04  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59267  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 14:23:32  

Additional Information
 Earth MOID = 1.70178 au 
 Jupiter MOID = 2.18248 au 
 T_jup = 3.298 
[ 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 MPO419026  

410946 (2009 ST311)          Discovered 2009-Sep-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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