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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540784384301364 5.8904e-08  
a 2.190518753813062 1.3398e-08 au
q 1.853007044873617 1.3405e-07 au
i 2.135269848603867 5.0092e-06 deg
node 321.4563991385715 0.00015367 deg
peri 181.3307849439071 0.00015495 deg
M 199.3374929714237 2.3178e-05 deg
tp 2459128.982887427015
(2020-Oct-06.48288743)
7.9255e-05 TDB
period 1184.18318618597
3.24
1.0864e-05
2.974e-08
d
yr
n .3040070186771455 2.7892e-09 deg/d
Q 2.528030462752507 1.5463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:42:38  

Additional Information
 Earth MOID = .866047 au 
 Jupiter MOID = 2.48643 au 
 T_jup = 3.657 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457137.5 (2015-Apr-25.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536327189014315 5.8989e-08  
q 1.854363739713732 1.3419e-07 au
tp 2456759.856915453429
(2014-Apr-12.35691545)
6.7592e-05 TDB
node 321.5273396032805 0.00015363 deg
peri 181.2505374371173 0.00015491 deg
i 2.135453846717275 5.0101e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      341  
   data-arc span      7909 days (21.65 yr)  
   first obs. used      1998-03-03  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61092  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:42:38  

Additional Information
 Jupiter MOID = 2.48643 au 
 T_jup = 3.657 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.479699712021667E-15 -7.892003301447939E-15 -5.244107973515145E-13 -2.963564875350532E-15 6.422776142126487E-15 -1.409186137453596E-16
q -7.892003301447939E-15 1.800682471140818E-14 1.477748843876355E-12 5.257950436688173E-15 7.909526532768685E-14 7.771345285283643E-16
tp -5.244107973515145E-13 1.477748843876355E-12 4.568739084305376E-9 -1.236768529397439E-11 1.366258043962106E-9 4.587255046291521E-12
node -2.963564875350532E-15 5.257950436688173E-15 -1.236768529397439E-11 2.360101154616745E-8 -2.35875650762487E-8 1.475360975034108E-10
peri 6.422776142126487E-15 7.909526532768685E-14 1.366258043962106E-9 -2.35875650762487E-8 2.399731460202249E-8 -1.460425028095282E-10
i -1.409186137453596E-16 7.771345285283643E-16 4.587255046291521E-12 1.475360975034108E-10 -1.460425028095282E-10 2.510080914162857E-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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