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146432 (2001 QW269)
Classification: Main-belt Asteroid          SPK-ID: 2146432
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 .1407976467336513 1.2689e-07  
a 2.557961021589175 2.1702e-08 au
q 2.197806129313012 3.1436e-07 au
i 5.230046519401601 6.0402e-06 deg
node 341.7232330227288 5.7282e-05 deg
peri 10.71486975880148 6.1432e-05 deg
M 179.9597712836686 3.0668e-05 deg
tp 2458253.514378646124
(2018-May-15.01437865)
0.00012259 TDB
period 1494.305209265397
4.09
1.9017e-05
5.207e-08
d
yr
n .2409146389692215 3.0659e-09 deg/d
Q 2.918115913865337 2.4758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      462  
   data-arc span      6845 days (18.74 yr)  
   first obs. used      2001-07-21  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:54:53  

Additional Information
 Earth MOID = 1.19242 au 
 Jupiter MOID = 2.50419 au 
 T_jup = 3.417 
[ 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 15.8   n/a MPO469553  

146432 (2001 QW269)          Discovered 2001-Aug-19 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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