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347461 (2012 TW302)
Classification: Main-belt Asteroid          SPK-ID: 2347461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08882658084343646 1.0838e-07  
a 2.666082572587827 3.9848e-08 au
q 2.429263573418577 2.9733e-07 au
i 6.073368218423416 1.1062e-05 deg
node 171.0979555629864 8.3741e-05 deg
peri 225.6252408249429 9.5067e-05 deg
M 259.7396223024664 5.2253e-05 deg
tp 2459443.328594456724
(2021-Aug-16.82859446)
0.00023742 TDB
period 1590.042823151487
4.35
3.5648e-05
9.76e-08
d
yr
n .2264089965114744 5.076e-09 deg/d
Q 2.902901571757077 4.3388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      4787 days (13.11 yr)  
   first obs. used      2006-04-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65547  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:25:11  

Additional Information
 Earth MOID = 1.43998 au 
 Jupiter MOID = 2.46433 au 
 T_jup = 3.370 
[ 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 16.7   n/a MPO434189  
rotation period rot_per 3.09 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

347461 (2012 TW302)          Discovered 2006-Apr-02 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2012 TW302 = 2006 GP20 = 2010 GN131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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