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146621 (2001 TX229)
Classification: Main-belt Asteroid          SPK-ID: 2146621
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05707114980549437 4.7029e-08  
a 2.727683039779861 1.7729e-08 au
q 2.572011032394678 1.2697e-07 au
i 3.719866619848855 3.9458e-06 deg
node 287.9196626128727 7.9167e-05 deg
peri 229.9718064999407 8.7619e-05 deg
M 195.6752282302127 3.8672e-05 deg
tp 2459351.586262771235
(2021-May-17.08626277)
0.00017899 TDB
period 1645.467397797163
4.51
1.6043e-05
4.392e-08
d
yr
n .2187828215143873 2.133e-09 deg/d
Q 2.883355047165044 1.8741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      6615 days (18.11 yr)  
   first obs. used      2001-10-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:00:13  

Additional Information
 Earth MOID = 1.58364 au 
 Jupiter MOID = 2.11398 au 
 T_jup = 3.350 
[ 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 15.7   n/a MPO453932  
diameter diameter 3.208 km 0.884 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146621 (2001 TX229)          Discovered 2001-Oct-15 by Yeung, W. K. Y. at Desert Eagle
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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