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JPL Small-Body Database Browser
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183641 (2003 WU45)
Classification: Main-belt Asteroid          SPK-ID: 2183641
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540784387718377 5.8807e-08  
a 2.190518753940838 1.3343e-08 au
q 1.853007044233203 1.339e-07 au
i 2.135269965933405 4.9134e-06 deg
node 321.4563978689068 0.00015331 deg
peri 181.3307860776067 0.00015459 deg
M 199.3374930199458 2.3173e-05 deg
tp 2459128.982887313647
(2020-Oct-06.48288731)		 7.9248e-05 TDB
period 1184.183186289583
3.24		 1.082e-05
2.962e-08		 d
yr
n .3040070186505457 2.7777e-09 deg/d
Q 2.528030463648474 1.5399e-08 au
   Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7929 days (21.71 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:28:01  

Additional Information
 Earth MOID = .866047 au 
 Jupiter MOID = 2.48643 au 
 T_jup = 3.657 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457196.5 (2015-Jun-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1535989438586629 5.8892e-08  
q 1.854534880849265 1.3405e-07 au
tp 2456759.882535377655
(2014-Apr-12.38253538)		 6.7543e-05 TDB
node 321.5284798723339 0.00015327 deg
peri 181.2662719197507 0.00015455 deg
i 2.135407133435016 4.9144e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      7929 days (21.71 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:28:01  

Additional Information
 Jupiter MOID = 2.48643 au 
 T_jup = 3.657 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.468313709011928E-15 -7.871124143864458E-15 -5.14031314788569E-13 -3.532015426606252E-15 1.142858442627804E-14 -6.96493126044694E-17
q -7.871124143864458E-15 1.796908003588983E-14 1.45863207742005E-12 6.50048182695064E-15 6.95988366267849E-14 6.3302149277939E-16
tp -5.14031314788569E-13 1.45863207742005E-12 4.562005915713018E-9 -1.278955828112615E-11 1.363275535694334E-9 4.612417870652208E-12
node -3.532015426606252E-15 6.50048182695064E-15 -1.278955828112615E-11 2.349036762899225E-8 -2.347713951869724E-8 1.578024152547972E-10
peri 1.142858442627804E-14 6.95988366267849E-14 1.363275535694334E-9 -2.347713951869724E-8 2.38854991011601E-8 -1.562947957450921E-10
i -6.96493126044694E-17 6.3302149277939E-16 4.612417870652208E-12 1.578024152547972E-10 -1.562947957450921E-10 2.415169252331601E-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 16.9   n/a MPO454264  

183641 (2003 WU45)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2003 WU45 = 2000 YS88 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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