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212791 (2007 TN232)
Classification: Main-belt Asteroid          SPK-ID: 2212791
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 .132727628715069 4.3308e-08  
a 2.982942577265976 2.542e-08 au
q 2.587023682392247 1.2719e-07 au
i 1.666088809125487 5.5951e-06 deg
node 56.15718255154869 0.00017866 deg
peri 33.71873191312468 0.00018011 deg
M 128.4948990616686 2.3588e-05 deg
tp 2458328.840513118748
(2018-Jul-29.34051312)
0.00012006 TDB
period 1881.76664632582
5.15
2.4054e-05
6.586e-08
d
yr
n .1913095870324336 2.4454e-09 deg/d
Q 3.378861472139705 2.8794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      8620 days (23.60 yr)  
   first obs. used      1996-09-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 08:50:22  

Additional Information
 Earth MOID = 1.60376 au 
 Jupiter MOID = 1.81053 au 
 T_jup = 3.245 
[ 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 16.0   n/a MPO437021  
rotation period rot_per 10.21 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.]

212791 (2007 TN232)          Discovered 2007-Oct-08 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2007 TN232 = 2004 FT40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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