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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1119548655479323 5.1094e-08  
a 2.2259565195236 9.8443e-09 au
q 1.976749856664792 1.1269e-07 au
i 3.554148323356774 5.6186e-06 deg
node 355.3147446925237 8.9888e-05 deg
peri 94.49513080821062 9.3341e-05 deg
M 17.30538063609216 2.4939e-05 deg
tp 2459142.188784083156
(2020-Oct-19.68878408)
8.3992e-05 TDB
period 1213.035308006037
3.32
8.047e-06
2.203e-08
d
yr
n .2967761924356189 1.9687e-09 deg/d
Q 2.475163182382408 1.0946e-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-May-04 10:08:31  

Additional Information
 Earth MOID = .996737 au 
 Jupiter MOID = 2.67494 au 
 T_jup = 3.635 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457734.5 (2016-Dec-12.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111281887770293 5.08e-08  
q 1.978373608666912 1.1191e-07 au
tp 2457927.373421931783
(2017-Jun-22.87342193)
8.4519e-05 TDB
node 355.4154647922668 8.981e-05 deg
peri 93.90436493487918 9.3357e-05 deg
i 3.555968194821894 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-May-04 10:08:31  

Additional Information
 Jupiter MOID = 2.67494 au 
 T_jup = 3.635 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.580642719783034E-15 -5.668051319547396E-15 1.392161583776828E-12 -9.146986177555223E-15 4.04154597531398E-13 -2.125581291477451E-15
q -5.668051319547396E-15 1.252391999458872E-14 -3.085353376519639E-12 1.997408203898574E-14 -9.003317617723482E-13 4.673869209996281E-15
tp 1.392161583776828E-12 -3.085353376519639E-12 7.143494861879647E-9 6.284614525469479E-12 2.183717675225633E-9 -2.939216335430048E-12
node -9.146986177555223E-15 1.997408203898574E-14 6.284614525469479E-12 8.06590263618895E-9 -8.047332327017101E-9 -1.594934683303607E-10
peri 4.04154597531398E-13 -9.003317617723482E-13 2.183717675225633E-9 -8.047332327017101E-9 8.715499406720415E-9 1.583210528655847E-10
i -2.125581291477451E-15 4.673869209996281E-15 -2.939216335430048E-12 -1.594934683303607E-10 1.583210528655847E-10 3.15629605422054E-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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