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146619 (2001 TD227)
Classification: Main-belt Asteroid          SPK-ID: 2146619
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151162632908005 5.0719e-08  
a 2.740754544593639 1.8613e-08 au
q 2.425249122822739 1.4563e-07 au
i 10.63538440479703 5.9481e-06 deg
node 289.093204285623 2.9419e-05 deg
peri 95.86084890889401 4.2192e-05 deg
M 20.46466806843157 2.9542e-05 deg
tp 2458906.288082010032
(2020-Feb-26.78808201)		 0.00013577 TDB
period 1657.309581713031
4.54		 1.6882e-05
4.622e-08		 d
yr
n .2172195249290095 2.2127e-09 deg/d
Q 3.056259966364538 2.0755e-08 au
   Orbit Determination Parameters
   # obs. used (total)      447  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2001-08-26  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:38:29  

Additional Information
 Earth MOID = 1.45775 au 
 Jupiter MOID = 2.41612 au 
 T_jup = 3.316 
[ 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 15.4   n/a MPO453932  

146619 (2001 TD227)          Discovered 2001-Oct-15 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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