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344644 (2003 QC54)
Classification: Main-belt Asteroid          SPK-ID: 2344644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2956028373197412 1.0522e-07  
a 2.642156400093859 1.3711e-08 au
q 1.861127471583601 2.7492e-07 au
i 13.07287492033122 1.1052e-05 deg
node 350.5023199810658 2.4671e-05 deg
peri 357.0700393817846 2.7516e-05 deg
M 226.4159024962868 1.0806e-05 deg
tp 2459182.587762996280
(2020-Nov-29.08776300)
4.9832e-05 TDB
period 1568.686681982008
4.29
1.2211e-05
3.343e-08
d
yr
n .2294913344614786 1.7864e-09 deg/d
Q 3.423185328604117 1.7764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7080 days (19.38 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:02:19  

Additional Information
 Earth MOID = .853943 au 
 Jupiter MOID = 2.00386 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457259.5 (2015-Aug-25.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2954483970035117 1.0527e-07  
q 1.86174325653622 2.7496e-07 au
tp 2457614.520498682196
(2016-Aug-14.02049868)
4.3159e-05 TDB
node 350.5131090868238 2.4669e-05 deg
peri 357.2149786312476 2.751e-05 deg
i 13.07259045100014 1.1052e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7080 days (19.38 yr)  
   first obs. used      1999-12-12  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:02:19  

Additional Information
 Jupiter MOID = 2.00386 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.108080234214073E-14 -2.892824730318107E-14 2.323046377418298E-12 -9.761188094860549E-15 3.963100793001433E-13 -7.960106412417802E-14
q -2.892824730318107E-14 7.560459056473863E-14 -5.957264405153249E-12 2.997346666346723E-14 -1.017174856772095E-12 2.103791797244784E-13
tp 2.323046377418298E-12 -5.957264405153249E-12 1.862729587767244E-9 -5.459201543274357E-12 5.280608059136281E-10 -2.515515560404835E-11
node -9.761188094860549E-15 2.997346666346723E-14 -5.459201543274357E-12 6.085808339112977E-10 -5.928892394629421E-10 1.134531813366245E-10
peri 3.963100793001433E-13 -1.017174856772095E-12 5.280608059136281E-10 -5.928892394629421E-10 7.567933833338232E-10 -1.161848961127872E-10
i -7.960106412417802E-14 2.103791797244784E-13 -2.515515560404835E-11 1.134531813366245E-10 -1.161848961127872E-10 1.221424868683413E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO402362  

344644 (2003 QC54)          Discovered 2003-Aug-23 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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