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216341 (2007 WF49)
Classification: Main-belt Asteroid          SPK-ID: 2216341
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423756938692168 3.9333e-08  
a 3.019051711601883 2.8478e-08 au
q 2.589212129335519 1.1183e-07 au
i 3.518817862989153 5.3398e-06 deg
node 189.5999403268387 7.1909e-05 deg
peri 288.2428581518722 7.4513e-05 deg
M 135.4542331087809 2.0757e-05 deg
tp 2458479.567945654613
(2018-Dec-27.06794565)
0.0001067 TDB
period 1916.038602912549
5.25
2.711e-05
7.422e-08
d
yr
n .187887655004846 2.6584e-09 deg/d
Q 3.448891293868249 3.2532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6853 days (18.76 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:54:25  

Additional Information
 Earth MOID = 1.60797 au 
 Jupiter MOID = 1.6578 au 
 T_jup = 3.229 
[ 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 16.05   n/a E2021B55  

216341 (2007 WF49)          Discovered 2007-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 2007 WF49 = 2001 SB331 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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