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338112 (2002 QJ53)
Classification: Main-belt Asteroid          SPK-ID: 2338112
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098255006070553 6.6115e-08  
a 2.225322041923506 1.3143e-08 au
q 1.980924934657342 1.4247e-07 au
i 2.640212187173906 7.6236e-06 deg
node 271.9868197411257 0.00014439 deg
peri 85.41031440660414 0.00014934 deg
M 107.2883535912554 3.8919e-05 deg
tp 2458639.141885571735
(2019-Jun-04.64188557)
0.00012987 TDB
period 1212.516706983735
3.32
1.0741e-05
2.941e-08
d
yr
n .2969031254798448 2.6302e-09 deg/d
Q 2.469719149189669 1.4586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6381 days (17.47 yr)  
   first obs. used      2002-08-09  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 22:02:57  

Additional Information
 Earth MOID = .978723 au 
 Jupiter MOID = 2.92366 au 
 T_jup = 3.637 
[ 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 17.6   n/a MPO455479  

338112 (2002 QJ53)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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