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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer 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.


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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 
[ 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 16.5   n/a MPO437380  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-Mar-31 19:45 00:02 Inter 0.0393138237134574 0.0392910165512601 0.0393366479133506 6.68332482862464 6.68332477290853 2433007.323025882 2.14389818273811 1722.05262449452 74.8140101003955 48.7247586555549 59103.1676504007 T 9 CATAB v2.0e-lin.ifort 2019-Jul-14 14:30:05 2019-Jul-14 14:30

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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