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180286 (2003 WT90)
Classification: Main-belt Asteroid          SPK-ID: 2180286
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119922720668922 5.1076e-08  
a 2.225860024250783 9.872e-09 au
q 1.97658090283207 1.1266e-07 au
i 3.554296447429705 5.6189e-06 deg
node 355.3131458263457 8.9881e-05 deg
peri 94.45047174123921 9.3335e-05 deg
M 75.51242088627964 2.4984e-05 deg
tp 2459142.074231808468
(2020-Oct-19.57423181)
8.3991e-05 TDB
period 1212.956431192816
3.32
8.0695e-06
2.209e-08
d
yr
n .296795491364828 1.9745e-09 deg/d
Q 2.475139145669496 1.0978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      8978 days (24.58 yr)  
   first obs. used      1996-09-07  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:36:34  

Additional Information
 Earth MOID = .996896 au 
 Jupiter MOID = 2.67509 au 
 T_jup = 3.635 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457734.5 (2016-Dec-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1112818877681056 5.08e-08  
q 1.978373608672639 1.1191e-07 au
tp 2457927.373421933585
(2017-Jun-22.87342193)
8.4519e-05 TDB
node 355.4154647922569 8.981e-05 deg
peri 93.9043649352878 9.3357e-05 deg
i 3.555968194822358 5.6181e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      8978 days (24.58 yr)  
   first obs. used      1996-09-07  
   last obs. used      2021-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:36:34  

Additional Information
 Jupiter MOID = 2.67509 au 
 T_jup = 3.635 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.580642719896389E-15 -5.668051319858764E-15 1.392161583584317E-12 -9.146985931073798E-15 4.041545972300877E-13 -2.125581298289232E-15
q -5.668051319858764E-15 1.252391999541435E-14 -3.085353376320285E-12 1.997408103759841E-14 -9.003317607210872E-13 4.673869234585215E-15
tp 1.392161583584317E-12 -3.085353376320285E-12 7.143494862224095E-9 6.284614444923835E-12 2.183717675413206E-9 -2.939216338198496E-12
node -9.146985931073798E-15 1.997408103759841E-14 6.284614444923835E-12 8.065902636312582E-9 -8.047332327154832E-9 -1.594934683156754E-10
peri 4.041545972300877E-13 -9.003317607210872E-13 2.183717675413206E-9 -8.047332327154832E-9 8.715499406905248E-9 1.583210528498204E-10
i -2.125581298289232E-15 4.673869234585215E-15 -2.939216338198496E-12 -1.594934683156754E-10 1.583210528498204E-10 3.156296054104393E-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 17.73   n/a MPCxxxxx  

180286 (2003 WT90)          Discovered 2003-Nov-18 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2003 WT90 = 1996 RK9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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