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344761 (2003 WO44)
Classification: Main-belt Asteroid          SPK-ID: 2344761
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 .07482784452668388 6.2272e-08  
a 2.71762512755166 2.7788e-08 au
q 2.514271097025415 1.6745e-07 au
i 14.44916091937353 7.2688e-06 deg
node 17.17396664028404 2.3789e-05 deg
peri 40.71419196631793 5.6007e-05 deg
M 157.0924710359008 5.0746e-05 deg
tp 2457886.438494262430
(2017-May-12.93849426)
0.00022701 TDB
period 1636.374680278459
4.48
2.5098e-05
6.871e-08
d
yr
n .2199985152170282 3.3743e-09 deg/d
Q 2.920979158077905 2.9868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5695 days (15.59 yr)  
   first obs. used      2003-10-27  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:07  

Additional Information
 Earth MOID = 1.53801 au 
 Jupiter MOID = 2.36703 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457490.5 (2016-Apr-12.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07562929862178225 6.2238e-08  
q 2.512019330856976 1.6749e-07 au
tp 2457887.156006481322
(2017-May-13.65600648)
0.00022452 TDB
node 17.17959648006686 2.3782e-05 deg
peri 40.81058312022616 5.5505e-05 deg
i 14.45224463612005 7.2701e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5695 days (15.59 yr)  
   first obs. used      2003-10-27  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:07  

Additional Information
 Jupiter MOID = 2.36703 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.873607091389699E-15 -1.030282087965289E-14 -2.655630496682978E-12 -7.758505534991998E-15 -7.518437421138941E-13 -3.339216242252058E-15
q -1.030282087965289E-14 2.80534565840194E-14 8.968993844595152E-12 1.914549985520943E-14 2.383388538581231E-12 7.768104944315462E-15
tp -2.655630496682978E-12 8.968993844595152E-12 5.040885810800849E-8 1.551399606890222E-12 1.127253794040456E-8 -7.510089918224173E-11
node -7.758505534991998E-15 1.914549985520943E-14 1.551399606890222E-12 5.655656867304142E-10 -5.462978276982993E-10 -1.10773923538577E-11
peri -7.518437421138941E-13 2.383388538581231E-12 1.127253794040456E-8 -5.462978276982993E-10 3.080855284576843E-9 -5.648387908330039E-12
i -3.339216242252058E-15 7.768104944315462E-15 -7.510089918224173E-11 -1.10773923538577E-11 -5.648387908330039E-12 5.285376830720304E-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 16.0   n/a MPO397233  

344761 (2003 WO44)          Discovered 2003-Nov-19 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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