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416121 (2002 QS54)
Classification: Main-belt Asteroid          SPK-ID: 2416121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2983164142807623 1.6289e-07  
a 2.444206142782684 4.872e-08 au
q 1.71505933050474 3.66e-07 au
i 8.204016715628182 8.7138e-06 deg
node 333.7555024839839 4.6251e-05 deg
peri 95.75867985338496 6.1455e-05 deg
M 171.1227705138881 4.4127e-05 deg
tp 2458337.046520816155
(2018-Aug-06.54652082)
0.00015274 TDB
period 1395.742084989209
3.82
4.1732e-05
1.143e-07
d
yr
n .2579273089718314 7.7119e-09 deg/d
Q 3.173352955060627 6.3254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6037 days (16.53 yr)  
   first obs. used      2002-08-17  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61442  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 16:54:23  

Additional Information
 Earth MOID = .752593 au 
 Jupiter MOID = 2.21747 au 
 T_jup = 3.424 
[ 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 17.4   n/a MPO335056  

416121 (2002 QS54)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: Last Updated: 2015-01-07

Alternate Designations
 2002 QS54 = 2006 SU33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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