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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06005938683444768 6.6468e-08  
a 2.861893551264221 3.7679e-08 au
q 2.690009979389832 2.0128e-07 au
i 2.191188685228636 7.7948e-06 deg
node 164.5010013909537 0.00017982 deg
peri 250.4418126540773 0.00019665 deg
M 22.98028044989517 7.4589e-05 deg
tp 2458887.616240536747
(2020-Feb-08.11624054)
0.00036642 TDB
period 1768.392404756602
4.84
3.4923e-05
9.561e-08
d
yr
n .2035747264191341 4.0203e-09 deg/d
Q 3.03377712313861 3.9942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      5107 days (13.98 yr)  
   first obs. used      2005-12-04  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:47:59  

Additional Information
 Earth MOID = 1.70224 au 
 Jupiter MOID = 2.18053 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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