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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458114.5 (2017-Dec-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181234665979832 1.0698e-07  
q 2.447474901965194 3.0628e-07 au
tp 2458906.507865245826
(2020-Feb-27.00786525)
9.1453e-05 TDB
node 344.7274976686329 1.9352e-05 deg
peri 325.8121433849876 2.5558e-05 deg
i 16.89039306564135 8.4109e-06 deg
  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
 Jupiter MOID = 1.63265 au 
 T_jup = 3.111 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.144438933702692E-14 -3.25925533126428E-14 4.30450139873212E-12 5.97223039104E-14 -1.770676238593143E-13 -4.883198832329832E-17
q -3.25925533126428E-14 9.380505214332804E-14 -1.203751890234386E-11 -1.715420974599398E-13 4.657883877112135E-13 5.462271673319727E-15
tp 4.30450139873212E-12 -1.203751890234386E-11 8.363659111071253E-9 5.363127175660187E-11 1.307780210091342E-9 -1.351480816875292E-11
node 5.97223039104E-14 -1.715420974599398E-13 5.363127175660187E-11 3.745188628679141E-10 -3.518096008752783E-10 3.537187117889792E-11
peri -1.770676238593143E-13 4.657883877112135E-13 1.307780210091342E-9 -3.518096008752783E-10 6.532164035308503E-10 -3.739510319178077E-11
i -4.883198832329832E-17 5.462271673319727E-15 -1.351480816875292E-11 3.537187117889792E-11 -3.739510319178077E-11 7.074291622225E-11

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

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