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213623 (2002 QE55)
Classification: Main-belt Asteroid          SPK-ID: 2213623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163806174698231 7.8233e-08  
a 2.56087342540284 1.8388e-08 au
q 2.141386545701245 1.9807e-07 au
i 2.775507486986519 1.0683e-05 deg
node 339.3426499134337 0.00021127 deg
peri 60.71527231102275 0.00021481 deg
M 68.24137526466791 3.962e-05 deg
tp 2458716.756535743796
(2019-Aug-21.25653574)
0.00016398 TDB
period 1496.857980016715
4.10
1.6122e-05
4.414e-08
d
yr
n .2405037784519678 2.5903e-09 deg/d
Q 2.980360305104435 2.14e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      9245 days (25.31 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:00:28  

Additional Information
 Earth MOID = 1.15092 au 
 Jupiter MOID = 2.43796 au 
 T_jup = 3.414 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO494179  

213623 (2002 QE55)          Discovered 2002-Aug-17 by Lowe, A. at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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