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332809 (2009 WR166)
Classification: Main-belt Asteroid          SPK-ID: 2332809
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03126384255076333 7.7609e-08  
a 3.080456748661289 4.8518e-08 au
q 2.984149833886706 2.4415e-07 au
i 8.54590679118818 7.2929e-06 deg
node 291.24811078893 6.0638e-05 deg
peri 283.6525795996038 0.00014792 deg
M 244.523359649223 0.00013773 deg
tp 2459633.950581836943
(2022-Feb-23.45058184)
0.00076019 TDB
period 1974.79082149072
5.41
4.6655e-05
1.277e-07
d
yr
n .182297788749213 4.3068e-09 deg/d
Q 3.176763663435872 5.0035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6351 days (17.39 yr)  
   first obs. used      2002-09-03  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:11:23  

Additional Information
 Earth MOID = 1.99003 au 
 Jupiter MOID = 1.9082 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457441.5 (2016-Feb-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03340185033096081 7.738e-08  
q 2.979295663643289 2.4489e-07 au
tp 2457658.542201467096
(2016-Sep-27.04220147)
0.00070037 TDB
node 291.3559522904414 6.0612e-05 deg
peri 283.2973406339216 0.00014021 deg
i 8.546152833458075 7.2995e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      6351 days (17.39 yr)  
   first obs. used      2002-09-03  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54299  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 21:11:23  

Additional Information
 Jupiter MOID = 1.9082 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.987638789709755E-15 -1.859307229317479E-14 -2.707715133430294E-11 -2.248901934705765E-14 -4.854072233376463E-12 -1.646981053794863E-15
q -1.859307229317479E-14 5.997321535806049E-14 9.301339576346916E-11 8.387930360662969E-14 1.662869507770514E-11 7.325810931135469E-15
tp -2.707715133430294E-11 9.301339576346916E-11 4.905139780725816E-7 1.539187574574871E-10 8.869255537908822E-8 6.10609438965275E-12
node -2.248901934705765E-14 8.387930360662969E-14 1.539187574574871E-10 3.673801738569132E-9 -3.605139344102965E-9 1.986311905241733E-10
peri -4.854072233376463E-12 1.662869507770514E-11 8.869255537908822E-8 -3.605139344102965E-9 1.965753077634095E-8 -1.953622211752088E-10
i -1.646981053794863E-15 7.325810931135469E-15 6.10609438965275E-12 1.986311905241733E-10 -1.953622211752088E-10 5.328210369446966E-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 15.6   n/a MPO455451  

332809 (2009 WR166)          Discovered 2009-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1916-Jul-02 23:03 00:08 Jupiter 1.92421217661893 1.92421128812352 1.92421306511413 2.89357411848665 2.73722258526124 2421047.460201113 7.76013715881385 348.518317500151 32.1232019746732 89.1202867571883 1612945.19916543 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
1976-Feb-26 05:28 00:03 Jupiter 1.92428223906932 1.92428134950461 1.92428312863392 2.94232365959092 2.78871240437997 2442834.728058646 3.12535621608731 135.030504816835 33.7158034025769 -83.9275980000946 1749279.8347475 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
2035-Oct-19 21:38 00:02 Jupiter 1.92421185148819 1.92421098895191 1.92421271402481 3.12158618839534 2.97723302495994 2464620.401317475 1.51730269314281 91.2372015744297 27.2518441122352 -70.0608793983296 1991811.13082238 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
2045-Jul-07 07:08 00:02 Jupiter 1.98359419307556 1.98359331928422 1.98359506686679 3.93777821431813 3.82780214220957 2468168.797009123 2.12732729180553 161.520933609766 37.3312534574402 87.3506372561854 1682729.71154308 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
2095-Jun-10 00:05 00:06 Jupiter 1.92615248084736 1.92615167863715 1.92615328305757 3.37142733323975 3.23836770880347 2486403.503652527 5.86922933354603 282.316225193039 33.3379000222935 -85.2844792573128 2054697.63336937 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
2105-Feb-22 00:16 00:07 Jupiter 1.96872013459309 1.96871902373755 1.9687212454586 3.63893245239489 3.51871411487066 2489947.511422465 6.51700832363296 412.631198097335 37.7027845400516 -88.7691291689335 1530874.46618015 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
2155-Jan-27 08:49 00:10 Jupiter 1.93315476778256 1.93315376526742 1.9331557703188 3.63714381183515 3.51461292062153 2508183.867114173 10.0153636412846 531.091487043164 33.7548215239255 89.6933893195979 2124444.81193036 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
2164-Oct-12 13:20 00:11 Jupiter 1.95745115343823 1.95744985056248 1.95745245637664 3.3393867745235 3.20719034391437 2511730.055748494 11.1529638855133 778.099380305044 34.291164081893 -89.8614753890459 1515442.44701052 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 21:11:24 2020-Feb-25 21:11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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