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274835 Aachen (2009 QC11)
Classification: Main-belt Asteroid          SPK-ID: 2274835
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1411517408441292 4.819e-08  
a 2.326864371362181 1.3033e-08 au
q 1.998423414636229 1.1534e-07 au
i 4.655533914446405 4.6584e-06 deg
node 333.9946853197865 7.3705e-05 deg
peri 118.3488771236347 7.8515e-05 deg
M 336.3369084099149 2.3144e-05 deg
tp 2459285.716563291475
(2021-Mar-12.21656329)
8.3209e-05 TDB
period 1296.447789509687
3.55
1.0893e-05
2.982e-08
d
yr
n .2776818340954176 2.3331e-09 deg/d
Q 2.655305328088133 1.4873e-08 au
  Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      8678 days (23.76 yr)  
   first obs. used      1997-04-12  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:29:54  

Additional Information
 Earth MOID = 1.01979 au 
 Jupiter MOID = 2.51105 au 
 T_jup = 3.556 
[ 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 16.8   n/a MPO437254  

274835 Aachen           Discovered 2009 Aug. 22 by E. Schwab at Tzec Maun.
Aachen is a German city, which developed from a Roman settlement and spa. It was the preferred medieval Imperial residence of Charlemagne. From 936 to 1531, the Aachen Cathedral was the coronation church for thirty German kings.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2019-12-12Last Updated: 2019-12-13

Alternate Designations
 2009 QC11 = 2000 AU29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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