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146396 (2001 QQ149)
Classification: Main-belt Asteroid          SPK-ID: 2146396
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1909516056905406 6.6851e-08  
a 2.74357544744305 2.4967e-08 au
q 2.219685310420656 1.7995e-07 au
i 13.31973670741709 5.5453e-06 deg
node 110.8234233113806 3.038e-05 deg
peri 279.5315825627378 3.5886e-05 deg
M 10.27440925234901 1.5315e-05 deg
tp 2458953.127298882936
(2020-Apr-13.62729888)
7.0505e-05 TDB
period 1659.868901780797
4.54
2.2657e-05
6.203e-08
d
yr
n .216884598303982 2.9605e-09 deg/d
Q 3.267465584465444 2.9734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      6529 days (17.88 yr)  
   first obs. used      2000-07-05  
   last obs. used      2018-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57964  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:18:28  

Additional Information
 Earth MOID = 1.27176 au 
 Jupiter MOID = 2.3018 au 
 T_jup = 3.284 
[ 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 15.9   n/a MPO449799  

146396 (2001 QQ149)          Discovered 2001-Aug-22 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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