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146431 (2001 QT267)
Classification: Main-belt Asteroid          SPK-ID: 2146431
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128765629624883 4.6049e-08  
a 2.70114014629781 1.7747e-08 au
q 2.39624473050372 1.2608e-07 au
i 11.90880507646725 5.7848e-06 deg
node 319.5058203718736 2.1559e-05 deg
peri 81.74548464739382 3.5796e-05 deg
M 28.32620641464827 2.5397e-05 deg
tp 2458872.913413502765
(2020-Jan-24.41341350)
0.00011471 TDB
period 1621.508029230922
4.44
1.5981e-05
4.375e-08
d
yr
n .2220155518876754 2.188e-09 deg/d
Q 3.006035562091899 1.975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      474  
   data-arc span      6660 days (18.23 yr)  
   first obs. used      2001-08-13  
   last obs. used      2019-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48986  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:58:47  

Additional Information
 Earth MOID = 1.43832 au 
 Jupiter MOID = 2.4001 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO453929  
diameter diameter 2.490 km 0.515 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.237   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146431 (2001 QT267)          Discovered 2001-Aug-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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