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227766 (2006 TT87)
Classification: Main-belt Asteroid          SPK-ID: 2227766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144912800964988 3.7895e-08  
a 2.243286898877238 1.224e-08 au
q 1.986450110201078 8.4243e-08 au
i 7.936251499568181 4.9244e-06 deg
node 23.52490260410476 2.7238e-05 deg
peri 279.336544512284 3.48e-05 deg
M 161.0999698323044 2.1617e-05 deg
tp 2458651.315065183430
(2019-Jun-16.81506518)
7.3492e-05 TDB
period 1227.229134429796
3.36
1.0044e-05
2.75e-08
d
yr
n .2933437529310822 2.4009e-09 deg/d
Q 2.500123687553399 1.3642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      8797 days (24.08 yr)  
   first obs. used      1996-12-13  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:10  

Additional Information
 Earth MOID = .988431 au 
 Jupiter MOID = 2.7063 au 
 T_jup = 3.612 
[ 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 17.4   n/a MPO440187  
rotation period rot_per 6.02 h n/a LCDB (Rev. 2020-October); 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.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) Ap. J. Supp. Ser. 241, A6.]

227766 (2006 TT87)          Discovered 2006-Oct-13 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2006 TT87 = 2005 GL171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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