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JPL Small-Body Database Browser
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379172 (2009 QY57)
Classification: Main-belt Asteroid          SPK-ID: 2379172
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2119342691413613 5.1909e-08  
a 2.440744819401765 4.0167e-08 au
q 1.923467349941288 1.333e-07 au
i 8.796229769853433 9.963e-06 deg
node 353.1741449069144 6.1815e-05 deg
peri 321.7609188632803 6.958e-05 deg
M 213.8720379152998 3.5998e-05 deg
tp 2459165.844039862325
(2020-Nov-12.34403986)
0.00014644 TDB
period 1392.778298190927
3.81
3.4381e-05
9.413e-08
d
yr
n .2584761698739865 6.3806e-09 deg/d
Q 2.958022288862242 4.868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5024 days (13.75 yr)  
   first obs. used      2004-02-26  
   last obs. used      2017-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63986  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:36:48  

Additional Information
 Earth MOID = .918305 au 
 Jupiter MOID = 2.37816 au 
 T_jup = 3.455 
[ 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 17.2   n/a MPO434345  

379172 (2009 QY57)          Discovered 2009-Aug-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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