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JPL Small-Body Database Browser
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379335 (2009 WT77)
Classification: Main-belt Asteroid          SPK-ID: 2379335
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06140763661304324 8.0663e-08  
a 2.667201233093626 4.0586e-08 au
q 2.503414708997951 2.3183e-07 au
i 5.123620799056267 7.0178e-06 deg
node 285.0380504107431 9.0639e-05 deg
peri 48.77593711080888 0.00010714 deg
M 145.7174541175079 5.5008e-05 deg
tp 2457956.492128073077
(2017-Jul-21.99212807)
0.00024688 TDB
period 1591.043676255364
4.36
3.6316e-05
9.943e-08
d
yr
n .2262665729248149 5.1645e-09 deg/d
Q 2.8309877571893 4.3078e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      4764 days (13.04 yr)  
   first obs. used      2004-09-12  
   last obs. used      2017-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53531  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 19:31:51  

Additional Information
 Earth MOID = 1.49516 au 
 Jupiter MOID = 2.39544 au 
 T_jup = 3.374 
[ 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 17.2   n/a MPO418928  

379335 (2009 WT77)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WT77 = 2005 YW104 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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