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173026 (2006 QL18)
Classification: Main-belt Asteroid          SPK-ID: 2173026
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06734590450599756 8.5135e-08  
a 3.068632923984397 3.4219e-08 au
q 2.861973064121783 2.6319e-07 au
i 9.784322171104629 9.1994e-06 deg
node 30.0219561811988 3.6417e-05 deg
peri 312.7280163461148 5.8678e-05 deg
M 118.4551693280389 4.6391e-05 deg
tp 2457954.448179626211
(2017-Jul-19.94817963)
0.00025247 TDB
period 1963.43187599084
5.38
3.2842e-05
8.992e-08
d
yr
n .1833524271466394 3.0669e-09 deg/d
Q 3.27529278384701 3.6524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2001-09-23  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52607  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:35:14  

Additional Information
 Earth MOID = 1.86549 au 
 Jupiter MOID = 2.04124 au 
 T_jup = 3.206 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456576.5 (2013-Oct-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06367504029753907 8.4794e-08  
q 2.87824946565552 2.6072e-07 au
tp 2455989.712505616721
(2012-Mar-03.21250562)
0.00027122 TDB
node 30.25749833625902 3.6436e-05 deg
peri 312.7212433723239 6.1192e-05 deg
i 9.779618516936816 9.1846e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      6323 days (17.31 yr)  
   first obs. used      2001-09-23  
   last obs. used      2019-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52607  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:35:14  

Additional Information
 Jupiter MOID = 2.04124 au 
 T_jup = 3.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.190033090612285E-15 -2.193679105932904E-14 1.074442980186104E-11 9.903242252270794E-15 1.874100159678489E-12 -8.186060629684442E-15
q -2.193679105932904E-14 6.797562229136396E-14 -3.376761502297915E-11 -1.368920972078956E-14 -5.854848580127879E-12 2.073617877443573E-14
tp 1.074442980186104E-11 -3.376761502297915E-11 7.355964722240485E-8 1.061122057781263E-10 1.337825026282838E-8 -4.381476296365966E-11
node 9.903242252270794E-15 -1.368920972078956E-14 1.061122057781263E-10 1.327567954845958E-9 -1.287064474601411E-9 -1.520705184018354E-10
peri 1.874100159678489E-12 -5.854848580127879E-12 1.337825026282838E-8 -1.287064474601411E-9 3.744514926429584E-9 1.415764196772941E-10
i -8.186060629684442E-15 2.073617877443573E-14 -4.381476296365966E-11 -1.520705184018354E-10 1.415764196772941E-10 8.435625497894669E-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 15.4   n/a MPO469854  

173026 (2006 QL18)          Discovered 2006-Aug-17 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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