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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1687093089846436 1.4837e-07  
a 2.58792477190345 1.7824e-08 au
q 2.151317771931377 3.808e-07 au
i 4.51634817561092 1.3159e-05 deg
node 2.664058767329912 0.00011989 deg
peri 34.22827929546129 0.00012795 deg
M 314.6661611815765 3.213e-05 deg
tp 2458791.989909487599
(2019-Nov-04.48990949)
0.00013518 TDB
period 1520.63820784399
4.16
1.571e-05
4.301e-08
d
yr
n .2367427032564304 2.4458e-09 deg/d
Q 3.024531771875522 2.0831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      9153 days (25.06 yr)  
   first obs. used      1994-10-28  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5195  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:10:01  

Additional Information
 Earth MOID = 1.15936 au 
 Jupiter MOID = 2.41316 au 
 T_jup = 3.397 
[ 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 17.9   n/a MPO409067  

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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