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JPL Small-Body Database Browser
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390175 (2012 WT2)
Classification: Main-belt Asteroid          SPK-ID: 2390175
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1372065539297338 4.485e-08  
a 2.275795738692564 2.1549e-08 au
q 1.963541647938584 1.1199e-07 au
i 3.948455584623283 5.2558e-06 deg
node 209.6831755796516 6.8725e-05 deg
peri 96.64551695038129 7.4119e-05 deg
M 48.13163598382035 2.2829e-05 deg
tp 2458432.841155207203
(2018-Nov-10.34115521)
7.9662e-05 TDB
period 1254.002339452915
3.43
1.7811e-05
4.876e-08
d
yr
n .2870808041371419 4.0774e-09 deg/d
Q 2.588049829446543 2.4505e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      5715 days (15.65 yr)  
   first obs. used      2004-04-13  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56123  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:24:02  

Additional Information
 Earth MOID = .952697 au 
 Jupiter MOID = 2.62946 au 
 T_jup = 3.593 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO434436  

390175 (2012 WT2)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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