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213939 (2003 WW64)
Classification: Main-belt Asteroid          SPK-ID: 2213939
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197677301384321 8.5984e-08  
a 2.611730024720663 2.0955e-08 au
q 2.095450281489477 2.322e-07 au
i 13.33548800125494 6.7361e-06 deg
node 63.8873372768489 3.1981e-05 deg
peri 75.03007063755379 4.0779e-05 deg
M 319.7832292600737 1.7915e-05 deg
tp 2459372.724742529140
(2021-Jun-07.22474253)
7.6624e-05 TDB
period 1541.66797009729
4.22
1.8554e-05
5.08e-08
d
yr
n .2335133160853576 2.8103e-09 deg/d
Q 3.128009767951851 2.5097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      6321 days (17.31 yr)  
   first obs. used      2003-11-19  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:43  

Additional Information
 Earth MOID = 1.1544 au 
 Jupiter MOID = 2.08037 au 
 T_jup = 3.344 
[ show covariance matrix ]

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 16.60   n/a MPCxxxxx  

213939 (2003 WW64)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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