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212490 (2006 QL117)
Classification: Outer Main-belt Asteroid          SPK-ID: 2212490
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2549839922251811 5.2951e-08  
a 3.97244796778397 6.8669e-08 au
q 2.959537326051606 2.2252e-07 au
i 1.732301176926564 5.2402e-06 deg
node 271.9593706380331 0.00020606 deg
peri 106.3031177053806 0.00020647 deg
M 275.3485156769627 1.5933e-05 deg
tp 2459880.513962264522
(2022-Oct-28.01396226)
0.00014325 TDB
period 2891.916525421231
7.92
7.4986e-05
2.053e-07
d
yr
n .1244849209288857 3.2278e-09 deg/d
Q 4.985358609516334 8.6178e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:38:52  

Additional Information
 Earth MOID = 1.96097 au 
 Jupiter MOID = .546826 au 
 T_jup = 2.999 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457431.5 (2016-Feb-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2579774967073937 5.2628e-08  
q 2.937663028411166 2.1889e-07 au
tp 2457002.345845615946
(2014-Dec-10.84584562)
8.629e-05 TDB
node 272.0949362766205 0.00020628 deg
peri 106.5934053591427 0.00020667 deg
i 1.733965170353012 5.2428e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1998-08-24  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57419  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:38:52  

Additional Information
 Jupiter MOID = .546826 au 
 T_jup = 2.999 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.769725520578522E-15 -1.120732928621904E-14 -5.73039095967148E-13 1.124842092373494E-14 -1.001527238099897E-13 -1.885290692987351E-15
q -1.120732928621904E-14 4.791240126417922E-14 4.515126275749003E-12 -3.91449594967952E-14 7.64462994306638E-13 8.569018132633555E-15
tp -5.73039095967148E-13 4.515126275749003E-12 7.445967829499677E-9 2.197569931123872E-11 1.183845481668349E-9 1.828895712235946E-12
node 1.124842092373494E-14 -3.91449594967952E-14 2.197569931123872E-11 4.254954322757444E-8 -4.25261307785364E-8 -1.0620404745724E-10
peri -1.001527238099897E-13 7.64462994306638E-13 1.183845481668349E-9 -4.25261307785364E-8 4.271429060912732E-8 1.064540273054393E-10
i -1.885290692987351E-15 8.569018132633555E-15 1.828895712235946E-12 -1.0620404745724E-10 1.064540273054393E-10 2.748693787747251E-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 15.09   n/a E2021B55  

212490 (2006 QL117)          Discovered 2006-Aug-27 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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