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213618 (2002 QK23)
Classification: Main-belt Asteroid          SPK-ID: 2213618
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116668899033741 4.1643e-08  
a 2.61420037585907 1.6684e-08 au
q 2.309204496154001 1.0802e-07 au
i 1.993341713675732 5.5634e-06 deg
node 341.3520044483765 0.0001517 deg
peri 331.8288758605261 0.00015402 deg
M 136.3876513494714 2.6702e-05 deg
tp 2458615.603145266792
(2019-May-12.10314527)
0.0001139 TDB
period 1543.855808209654
4.23
1.478e-05
4.047e-08
d
yr
n .2331823983079593 2.2323e-09 deg/d
Q 2.91919625556414 1.8631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      406  
   data-arc span      22015 days (60.27 yr)  
   first obs. used      1960-09-26  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:43:25  

Additional Information
 Earth MOID = 1.29341 au 
 Jupiter MOID = 2.32144 au 
 T_jup = 3.398 
[ 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 16.77   n/a MPCxxxxx  

213618 (2002 QK23)          Discovered 2002-Aug-27 by NEAT 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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