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382413 (1997 WT12)
Classification: Main-belt Asteroid          SPK-ID: 2382413
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849650052231313 5.7235e-08  
a 2.471482791063738 2.3891e-08 au
q 2.014344963705754 1.4829e-07 au
i 1.742942703236926 6.6434e-06 deg
node 33.24421809500777 0.00035079 deg
peri 9.844372506235247 0.0003534 deg
M 291.0607513097731 4.9722e-05 deg
tp 2459272.268337976416
(2021-Feb-26.76833798)
0.00019919 TDB
period 1419.171278049905
3.89
2.0578e-05
5.634e-08
d
yr
n .2536691698655845 3.6783e-09 deg/d
Q 2.928620618421721 2.8311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1997-11-23  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .71953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:32  

Additional Information
 Earth MOID = 1.02315 au 
 Jupiter MOID = 2.47357 au 
 T_jup = 3.459 
[ 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 17.6   n/a MPO440655  

382413 (1997 WT12)          Discovered 1997-Nov-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 1997 WT12 = 2001 VO39 = 2001 YE23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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