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266652 (2008 TA30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266652
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0848196070764142 4.945e-08  
a 3.216514309472799 3.7979e-08 au
q 2.943690829587652 1.7089e-07 au
i 2.238489105010372 5.7697e-06 deg
node 191.0576830419169 0.00013668 deg
peri 196.7211431263406 0.00014088 deg
M 349.6962462207311 3.4937e-05 deg
tp 2459060.807264551455
(2020-Jul-30.30726455)
0.00020481 TDB
period 2107.058816002118
5.77
3.7319e-05
1.022e-07
d
yr
n .1708542719671467 3.0261e-09 deg/d
Q 3.489337789357945 4.1201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      7047 days (19.29 yr)  
   first obs. used      2000-04-12  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:36:46  

Additional Information
 Earth MOID = 1.94825 au 
 Jupiter MOID = 1.92897 au 
 T_jup = 3.183 
[ 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 15.8   n/a MPO494441  
rotation period rot_per 6.91 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

266652 (2008 TA30)          Discovered 2008-Oct-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2008 TA30 = 2002 RJ161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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