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469458 (2002 QE54)
Classification: Main-belt Asteroid          SPK-ID: 2469458
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2202790829442028 8.833e-08  
a 2.309513112662722 1.3666e-08 au
q 1.800775682157767 2.0742e-07 au
i 2.937542173799264 7.9477e-06 deg
node 305.7669286786993 0.00011326 deg
peri 60.80880605544258 0.00011478 deg
M .3681032827389862 1.884e-05 deg
tp 2458999.189170323097
(2020-May-29.68917032)
6.7083e-05 TDB
period 1281.973581365016
3.51
1.1378e-05
3.115e-08
d
yr
n .2808170193465924 2.4925e-09 deg/d
Q 2.818250543167678 1.6676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6162 days (16.87 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:29  

Additional Information
 Earth MOID = .801463 au 
 Jupiter MOID = 2.65435 au 
 T_jup = 3.551 
[ 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 18.1   n/a MPO440883  

469458 (2002 QE54)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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