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452101 (2014 QD161)
Classification: Main-belt Asteroid          SPK-ID: 2452101
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171779780037908 1.0776e-07  
a 3.1316850998717 5.5973e-08 au
q 2.451552062136965 3.0843e-07 au
i 16.88646869446649 8.4081e-06 deg
node 344.6316706619554 1.9356e-05 deg
peri 325.5362914864345 2.554e-05 deg
M 87.37056277008992 1.7372e-05 deg
tp 2458905.221013775096
(2020-Feb-25.72101378)
9.1979e-05 TDB
period 2024.256562320224
5.54
5.427e-05
1.486e-07
d
yr
n .1778430692537137 4.768e-09 deg/d
Q 3.811818137606436 6.813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5063 days (13.86 yr)  
   first obs. used      2007-02-25  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:18:05  

Additional Information
 Earth MOID = 1.45654 au 
 Jupiter MOID = 1.63265 au 
 T_jup = 3.111 
[ show covariance matrix ]

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 15.86   n/a E2021B25  

452101 (2014 QD161)          Discovered 2007-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-11-30

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