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359916 (2011 WB117)
Classification: Main-belt Asteroid          SPK-ID: 2359916
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083507759966879 3.6456e-08  
a 2.543860215705339 2.5806e-08 au
q 2.01384496573603 9.3127e-08 au
i 4.234130447538138 7.4865e-06 deg
node 267.3287100472656 5.9873e-05 deg
peri 75.06847376430738 6.4011e-05 deg
M 103.6741533634105 2.2808e-05 deg
tp 2458573.717809150220
(2019-Mar-31.21780915)
9.3517e-05 TDB
period 1481.966176925109
4.06
2.255e-05
6.174e-08
d
yr
n .2429205238320312 3.6964e-09 deg/d
Q 3.073875465674648 3.1182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      5435 days (14.88 yr)  
   first obs. used      2005-03-08  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46313  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:54  

Additional Information
 Earth MOID = 1.01079 au 
 Jupiter MOID = 2.35314 au 
 T_jup = 3.409 
[ 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 MPO450335  

359916 (2011 WB117)          Discovered 2007-Dec-14 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2011 WB117 = 2007 XF27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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