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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1964006661560552 5.4837e-08  
a 2.570756420362216 1.5304e-08 au
q 2.065858146878121 1.4763e-07 au
i 13.96975430540541 5.2522e-06 deg
node 182.4648586595476 3.0286e-05 deg
peri 140.8868996409547 3.7218e-05 deg
M 307.5808895450759 2.4049e-05 deg
tp 2459615.718381256116
(2022-Feb-05.21838126)
0.00010161 TDB
period 1505.531409581341
4.12
1.3444e-05
3.681e-08
d
yr
n .2391182261020439 2.1353e-09 deg/d
Q 3.075654693846311 1.831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:44:46  

Additional Information
 Earth MOID = 1.07339 au 
 Jupiter MOID = 2.39062 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457734.5 (2016-Dec-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955753150742472 5.499e-08  
q 2.069366175641138 1.4802e-07 au
tp 2458108.712220098539
(2017-Dec-21.21222010)
9.5336e-05 TDB
node 182.4887539084693 3.0283e-05 deg
peri 140.6359894346261 3.7237e-05 deg
i 13.9668314216763 5.2513e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      8650 days (23.68 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:44:46  

Additional Information
 Jupiter MOID = 2.39062 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.023857607073967E-15 -8.118297799057671E-15 -2.784363475184903E-12 3.226382135772922E-14 -5.777495933776582E-13 -9.18373508352705E-15
q -8.118297799057671E-15 2.190950892123278E-14 7.679764512378142E-12 -8.833329955369243E-14 1.592729376676931E-12 2.559516604027554E-14
tp -2.784363475184903E-12 7.679764512378142E-12 9.088869893023358E-9 -6.062287795068038E-11 2.138430357990697E-9 2.777767374609456E-11
node 3.226382135772922E-14 -8.833329955369243E-14 -6.062287795068038E-11 9.170507462262384E-10 -9.033614052151878E-10 5.109700453103771E-11
peri -5.777495933776582E-13 1.592729376676931E-12 2.138430357990697E-9 -9.033614052151878E-10 1.386594473643829E-9 -4.340272064032491E-11
i -9.18373508352705E-15 2.559516604027554E-14 2.777767374609456E-11 5.109700453103771E-11 -4.340272064032491E-11 2.757590479747809E-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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