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JPL Small-Body Database Browser
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379367 (2009 WT212)
Classification: Main-belt Asteroid          SPK-ID: 2379367
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05758052490687304 8.4741e-08  
a 2.65303612435985 2.8025e-08 au
q 2.500272911722313 2.2658e-07 au
i 5.146112449379845 7.5435e-06 deg
node 292.2962650606607 8.0798e-05 deg
peri 71.63370140767451 0.00010405 deg
M 125.9244584204426 6.2551e-05 deg
tp 2458048.396166019078
(2017-Oct-21.89616602)
0.00027447 TDB
period 1578.385825329589
4.32
2.501e-05
6.847e-08
d
yr
n .2280811156707055 3.614e-09 deg/d
Q 2.805799336997386 2.9639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5278 days (14.45 yr)  
   first obs. used      2004-08-23  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65973  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:12:28  

Additional Information
 Earth MOID = 1.50201 au 
 Jupiter MOID = 2.48163 au 
 T_jup = 3.381 
[ 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 17.3   n/a MPO423396  

379367 (2009 WT212)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ hide close-approach data ]
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
1920-Nov-15 08:27 00:02 Thisb 0.0402481285274879 0.04020941423478 0.0402868471784894 2.7071600852309 2.70716002265384 2422643.852112179 2.23150267309634 2039.19781184689 111.51087061073 18.9690484521167 17749.9015231503 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 13:12:30 2019-Jul-14 13:12
2089-Mar-30 20:07 00:11 Iris 0.0381589547858135 0.0381230998272142 0.0381948097737461 3.31899033241326 3.31899028702217 2484141.337950682 11.1553402976146 1787.70035897599 113.307520703296 1.87461791195489 3588.696372889 T 13 CATAB v2.0e-lin.ifort 2019-Jul-14 13:12:30 2019-Jul-14 13:12

Alternate Designations
 2009 WT212 = 2005 YC86 = 2006 AJ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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