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JPL Small-Body Database Browser
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277190 (2005 QT31)
Classification: Main-belt Asteroid          SPK-ID: 2277190
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 .1582041060773725 4.6225e-08  
a 2.227464922999013 1.2999e-08 au
q 1.875070826037251 1.0796e-07 au
i 5.643405907141473 4.209e-06 deg
node 248.5491800550803 4.9134e-05 deg
peri 74.96015054179716 5.2151e-05 deg
M 44.32379470783938 1.4991e-05 deg
tp 2458450.997253408620
(2018-Nov-28.49725341)
5.0326e-05 TDB
period 1214.268523885608
3.32
1.063e-05
2.91e-08
d
yr
n .2964747853695616 2.5953e-09 deg/d
Q 2.579859019960775 1.5056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      5749 days (15.74 yr)  
   first obs. used      2002-10-15  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53689  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:26:07  

Additional Information
 Earth MOID = .871447 au 
 Jupiter MOID = 2.72644 au 
 T_jup = 3.622 
[ 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 17.3   n/a MPO433793  

277190 (2005 QT31)          Discovered 2005-Aug-24 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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