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109355 (2001 QC154)
Classification: Main-belt Asteroid          SPK-ID: 2109355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03685724786920622 5.697e-08  
a 2.630917439123567 1.6425e-08 au
q 2.533949062946372 1.4927e-07 au
i 6.297786133379263 4.0781e-06 deg
node 51.44115069233304 4.2475e-05 deg
peri 308.7048859330026 7.0199e-05 deg
M 139.2570335826594 5.6178e-05 deg
tp 2458397.560279405363
(2018-Oct-06.06027941)
0.00024252 TDB
period 1558.688231608991
4.27
1.4596e-05
3.996e-08
d
yr
n .230963442656125 2.1628e-09 deg/d
Q 2.727885815300761 1.703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-08-28  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52546  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:34  

Additional Information
 Earth MOID = 1.53696 au 
 Jupiter MOID = 2.41933 au 
 T_jup = 3.390 
[ 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 15.9   n/a MPO453553  

109355 (2001 QC154)          Discovered 2001-Aug-28 by Hug, G. at Farpoint
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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