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JPL Small-Body Database Browser
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344765 (2003 WW71)
Classification: Main-belt Asteroid          SPK-ID: 2344765
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1725037106889124 6.1877e-08  
a 2.676315940076953 3.0018e-08 au
q 2.214641509437793 1.7058e-07 au
i 12.69009180293882 6.6459e-06 deg
node 281.0302959209272 3.5588e-05 deg
peri 61.46824573275032 4.21e-05 deg
M 240.4088563123615 2.5387e-05 deg
tp 2459131.752536243079
(2020-Oct-09.25253624)
0.00011566 TDB
period 1599.206322058754
4.38
2.6905e-05
7.366e-08
d
yr
n .2251116663524382 3.7873e-09 deg/d
Q 3.137990370716112 3.5196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      5678 days (15.55 yr)  
   first obs. used      2003-11-14  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:08  

Additional Information
 Earth MOID = 1.23569 au 
 Jupiter MOID = 2.30864 au 
 T_jup = 3.323 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457219.5 (2015-Jul-16.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723998237079623 6.203e-08  
q 2.214966142910352 1.7102e-07 au
tp 2457533.974778737757
(2016-May-25.47477874)
0.000109 TDB
node 281.0443317337214 3.5595e-05 deg
peri 61.7608284922941 4.2091e-05 deg
i 12.68858424245689 6.6449e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      188  
   data-arc span      5678 days (15.55 yr)  
   first obs. used      2003-11-14  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:08  

Additional Information
 Jupiter MOID = 2.30864 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.847726792138671E-15 -1.049676826059969E-14 2.682585711189216E-12 1.24615657176042E-14 5.576388179919386E-13 -8.385571874661344E-15
q -1.049676826059969E-14 2.924941917054785E-14 -6.848270574485874E-12 -2.833466388929054E-14 -1.458751371521682E-12 2.388382755204863E-14
tp 2.682585711189216E-12 -6.848270574485874E-12 1.188067664094769E-8 5.443897814440937E-11 2.531452228609475E-9 -2.090539226157447E-11
node 1.24615657176042E-14 -2.833466388929054E-14 5.443897814440937E-11 1.26702700314114E-9 -1.224241010192053E-9 -6.474721240475493E-11
peri 5.576388179919386E-13 -1.458751371521682E-12 2.531452228609475E-9 -1.224241010192053E-9 1.771692485597524E-9 5.864066949191102E-11
i -8.385571874661344E-15 2.388382755204863E-14 -2.090539226157447E-11 -6.474721240475493E-11 5.864066949191102E-11 4.415479507838853E-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 15.8   n/a MPO339101  

344765 (2003 WW71)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2003 WW71 = 2007 RB189 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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