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150744 (2001 QE94)
Classification: Main-belt Asteroid          SPK-ID: 2150744
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .189085616431612 5.9639e-08  
a 2.454570550555349 1.1946e-08 au
q 1.99044656492871 1.5186e-07 au
i 2.048448941043135 6.4174e-06 deg
node 139.6220140566401 0.00015571 deg
peri 230.9602002037174 0.00015719 deg
M 39.43186531332085 2.1674e-05 deg
tp 2459242.646802389725
(2021-Jan-28.14680239)
8.3803e-05 TDB
period 1404.629243369528
3.85
1.0254e-05
2.807e-08
d
yr
n .2562953901888057 1.871e-09 deg/d
Q 2.918694536181988 1.4204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      2001-05-22  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:19:51  

Additional Information
 Earth MOID = .990065 au 
 Jupiter MOID = 2.54585 au 
 T_jup = 3.468 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457177.5 (2015-Jun-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901856907535066 5.9207e-08  
q 1.987419007331251 1.5079e-07 au
tp 2457839.364780549177
(2017-Mar-26.86478055)
7.6773e-05 TDB
node 139.6678788064046 0.00015593 deg
peri 231.2569677982021 0.00015739 deg
i 2.047213935348663 6.4145e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      2001-05-22  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:19:51  

Additional Information
 Jupiter MOID = 2.54585 au 
 T_jup = 3.468 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.505442832624152E-15 -8.915181220095266E-15 -1.757116502538279E-12 2.781037449096557E-14 -4.476373232867572E-13 -2.721068488513184E-15
q -8.915181220095266E-15 2.273832766829872E-14 4.734501261415882E-12 -7.430139089768284E-14 1.202710338343593E-12 6.91074484718002E-15
tp -1.757116502538279E-12 4.734501261415882E-12 5.89405794981754E-9 -4.048828407843818E-11 1.665879915684399E-9 3.896553200326173E-14
node 2.781037449096557E-14 -7.430139089768284E-14 -4.048828407843818E-11 2.431268543056774E-8 -2.430568157513491E-8 2.360921002795333E-11
peri -4.476373232867572E-13 1.202710338343593E-12 1.665879915684399E-9 -2.430568157513491E-8 2.477115999322662E-8 -2.364189494388828E-11
i -2.721068488513184E-15 6.91074484718002E-15 3.896553200326173E-14 2.360921002795333E-11 -2.364189494388828E-11 4.114572130412696E-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 16.99   n/a E2021B55  

150744 (2001 QE94)          Discovered 2001-Aug-20 by Pravec, P., Kusnirak, P. at Ondrejov
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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