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312928 (2011 WT59)
Classification: Main-belt Asteroid          SPK-ID: 2312928
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03216649781934467 7.9039e-08  
a 2.866978532443471 4.6783e-08 au
q 2.77475787373152 2.4437e-07 au
i 3.200973433518247 8.2619e-06 deg
node 115.1108505196885 0.00015796 deg
peri 165.6836202118274 0.00020887 deg
M 55.28448848272415 0.00013529 deg
tp 2458728.207372127433
(2019-Sep-01.70737213)
0.00066682 TDB
period 1773.107588121327
4.85
4.34e-05
1.188e-07
d
yr
n .2030333649304571 4.9696e-09 deg/d
Q 2.959199191155422 4.8288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      7378 days (20.20 yr)  
   first obs. used      1998-01-29  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62776  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:30:03  

Additional Information
 Earth MOID = 1.75843 au 
 Jupiter MOID = 2.07313 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456660.5 (2014-Jan-03.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03238114959799199 7.8014e-08  
q 2.774484842875311 2.4206e-07 au
tp 2456979.045133005571
(2014-Nov-17.54513301)
0.00067868 TDB
node 115.1735042696929 0.00015827 deg
peri 170.8475864039108 0.00020992 deg
i 3.198088513410423 8.2538e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      7378 days (20.20 yr)  
   first obs. used      1998-01-29  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62776  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:30:03  

Additional Information
 Jupiter MOID = 2.07313 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.086242842237506E-15 -1.858977095246769E-14 -5.794809228834581E-12 -1.428616657459E-14 -1.06030294912284E-12 -6.729959419010725E-16
q -1.858977095246769E-14 5.859340148855373E-14 1.278546642113836E-11 4.503921173953372E-14 2.162322254197564E-12 3.703380591987573E-15
tp -5.794809228834581E-12 1.278546642113836E-11 4.606030966648181E-7 9.114012519668831E-11 9.368451848083917E-8 -3.190906785599247E-12
node -1.428616657459E-14 4.503921173953372E-14 9.114012519668831E-11 2.504798408570142E-8 -2.499012034556009E-8 -1.735167877513045E-10
peri -1.06030294912284E-12 2.162322254197564E-12 9.368451848083917E-8 -2.499012034556009E-8 4.406579831139457E-8 1.72504150653877E-10
i -6.729959419010725E-16 3.703380591987573E-15 -3.190906785599247E-12 -1.735167877513045E-10 1.72504150653877E-10 6.812582838551555E-11

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 16.5   n/a MPO437380  

312928 (2011 WT59)          Discovered 1998-Jan-29 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 WT59 = 1998 BW38 = 2006 VM93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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