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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07367763448012832 4.4496e-08  
a 2.719675364792709 2.5755e-08 au
q 2.519296117360902 1.2743e-07 au
i 14.43649827982805 5.6527e-06 deg
node 17.05637444294785 2.3076e-05 deg
peri 41.1707853865511 5.3821e-05 deg
M 244.6022038676851 5.0705e-05 deg
tp 2459525.632674947564
(2021-Nov-07.13267495)
0.00023443 TDB
period 1638.226806033292
4.49
2.3271e-05
6.371e-08
d
yr
n .2197497920765215 3.1215e-09 deg/d
Q 2.920054612224516 2.7652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6165 days (16.88 yr)  
   first obs. used      2003-10-27  
   last obs. used      2020-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:47  

Additional Information
 Earth MOID = 1.54384 au 
 Jupiter MOID = 2.3607 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457886.5 (2017-May-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07544602972543063 4.4733e-08  
q 2.51237957019992 1.2847e-07 au
tp 2457886.801437506232
(2017-May-13.30143751)
0.00021694 TDB
node 17.17856640863558 2.305e-05 deg
peri 40.71224090629963 5.2599e-05 deg
i 14.45250755375976 5.6551e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      6165 days (16.88 yr)  
   first obs. used      2003-10-27  
   last obs. used      2020-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63964  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:47  

Additional Information
 Jupiter MOID = 2.3607 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.001077195674512E-15 -5.652307849104413E-15 -7.804087252500384E-13 -2.870604174660059E-16 -1.753922797288962E-13 -1.128660779594891E-15
q -5.652307849104413E-15 1.650359171187025E-14 4.337487149774571E-12 2.453535261914803E-15 9.55640087805512E-13 4.47603573213341E-15
tp -7.804087252500384E-13 4.337487149774571E-12 4.706340566190413E-8 4.378140466061822E-11 1.029710775112373E-8 -5.72203858655004E-12
node -2.870604174660059E-16 2.453535261914803E-15 4.378140466061822E-11 5.312897282451103E-10 -5.044907182868125E-10 -2.479727850764809E-11
peri -1.753922797288962E-13 9.55640087805512E-13 1.029710775112373E-8 -5.044907182868125E-10 2.766630416949897E-9 2.287218037528456E-11
i -1.128660779594891E-15 4.47603573213341E-15 -5.72203858655004E-12 -2.479727850764809E-11 2.287218037528456E-11 3.197979711763858E-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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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