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452401 (2002 QO144)
Classification: Main-belt Asteroid          SPK-ID: 2452401
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 .1689686854831685 1.478e-07  
a 2.588611538272384 1.7768e-08 au
q 2.151217249423937 3.795e-07 au
i 4.515958084202216 1.2565e-05 deg
node 2.657753784524411 0.00011895 deg
peri 34.22798282854901 0.00012701 deg
M 49.34793424188837 3.1649e-05 deg
tp 2458791.971592117270
(2019-Nov-04.47159212)
0.0001343 TDB
period 1521.243553373718
4.16
1.5663e-05
4.288e-08
d
yr
n .2366484966865527 2.4365e-09 deg/d
Q 3.026005827120831 2.077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      9214 days (25.23 yr)  
   first obs. used      1994-10-28  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:35:16  

Additional Information
 Earth MOID = 1.15988 au 
 Jupiter MOID = 2.41351 au 
 T_jup = 3.396 
[ 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 17.7   n/a MPO503595  

452401 (2002 QO144)          Discovered 1994-Oct-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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