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359893 (2011 WT55)
Classification: Main-belt Asteroid          SPK-ID: 2359893
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1443453145305974 7.6401e-08  
a 3.026742740964588 4.9134e-08 au
q 2.589846608016852 2.461e-07 au
i 5.334554238783034 7.8042e-06 deg
node 70.01278347417477 7.7739e-05 deg
peri 96.96156817126065 8.843e-05 deg
M 149.2601915090415 3.5058e-05 deg
tp 2458203.050509534866
(2018-Mar-25.55050953)
0.00018677 TDB
period 1923.36492178531
5.27
4.6833e-05
1.282e-07
d
yr
n .1871719692515968 4.5576e-09 deg/d
Q 3.463638873912324 5.6226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      4187 days (11.46 yr)  
   first obs. used      2006-11-22  
   last obs. used      2018-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:29:57  

Additional Information
 Earth MOID = 1.60352 au 
 Jupiter MOID = 1.53352 au 
 T_jup = 3.222 
[ 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 16.2   n/a MPO440611  

359893 (2011 WT55)          Discovered 2006-Nov-22 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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