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JPL Small-Body Database Browser
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379191 (2009 SG15)
Classification: Main-belt Asteroid          SPK-ID: 2379191
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .224612490704092 1.6182e-07  
a 2.428864535389923 4.5355e-08 au
q 1.883311222513155 3.7181e-07 au
i 4.376025095157711 1.1132e-05 deg
node 42.34875704234408 9.0315e-05 deg
peri 303.3574466294741 9.3567e-05 deg
M 295.3379554256083 3.4131e-05 deg
tp 2459248.842071395345
(2021-Feb-03.34207140)
0.0001367 TDB
period 1382.621695474977
3.79
3.8727e-05
1.06e-07
d
yr
n .2603749103447475 7.293e-09 deg/d
Q 2.974417848266691 5.5542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      3994 days (10.93 yr)  
   first obs. used      2006-12-21  
   last obs. used      2017-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64812  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:36:49  

Additional Information
 Earth MOID = .880734 au 
 Jupiter MOID = 2.45226 au 
 T_jup = 3.470 
[ 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 17.5   n/a MPO434346  
rotation period rot_per 3.451 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

379191 (2009 SG15)          Discovered 2009-Aug-26 by CSS at Catalina
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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