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186011 (2001 QE118)
Classification: Main-belt Asteroid          SPK-ID: 2186011
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .196400668936027 5.4773e-08  
a 2.570756422291542 1.5198e-08 au
q 2.065858141281895 1.4753e-07 au
i 13.96975434740709 5.1474e-06 deg
node 182.4648586212836 3.0286e-05 deg
peri 140.8869012169141 3.7186e-05 deg
M 307.5808869661185 2.3926e-05 deg
tp 2459615.718392288180
(2022-Feb-05.21839229)
0.00010108 TDB
period 1505.531411276169
4.12
1.3351e-05
3.655e-08
d
yr
n .2391182258328604 2.1205e-09 deg/d
Q 3.075654703301188 1.8183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      8705 days (23.83 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:39:02  

Additional Information
 Earth MOID = 1.07339 au 
 Jupiter MOID = 2.39062 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457812.5 (2017-Feb-28.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955382740910052 5.4883e-08  
q 2.069065774670556 1.478e-07 au
tp 2458108.864667923515
(2017-Dec-21.36466792)
9.4968e-05 TDB
node 182.4875423814716 3.0287e-05 deg
peri 140.6906035053805 3.7218e-05 deg
i 13.96646551832128 5.1467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      8705 days (23.83 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-08-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:39:02  

Additional Information
 Jupiter MOID = 2.39062 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.012108009333631E-15 -8.091188473614949E-15 -2.800572679713961E-12 3.222177506172543E-14 -5.802064418366701E-13 -9.964003051365789E-15
q -8.091188473614949E-15 2.18452418601033E-14 7.706696477010747E-12 -8.834416533360015E-14 1.596740051094214E-12 2.775580330301394E-14
tp -2.800572679713961E-12 7.706696477010747E-12 9.018834237748177E-9 -6.01241758550218E-11 2.127377235109507E-9 2.954212352158159E-11
node 3.222177506172543E-14 -8.834416533360015E-14 -6.01241758550218E-11 9.173217253301454E-10 -9.035309000734795E-10 5.104020170289284E-11
peri -5.802064418366701E-13 1.596740051094214E-12 2.127377235109507E-9 -9.035309000734795E-10 1.385200366630124E-9 -4.296201350542331E-11
i -9.964003051365789E-15 2.775580330301394E-14 2.954212352158159E-11 5.104020170289284E-11 -4.296201350542331E-11 2.64883375619568E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.74   n/a E2021B55  

186011 (2001 QE118)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2001 QE118 = 1997 TE6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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