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213814 (2003 QY18)
Classification: Main-belt Asteroid          SPK-ID: 2213814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2223330671578826 5.6015e-08  
a 2.33990667675374 1.3054e-08 au
q 1.819668048447873 1.2807e-07 au
i 2.400044565722918 4.3349e-06 deg
node 148.90604677 0.0001072 deg
peri 227.106843069189 0.00010766 deg
M 274.7365297182654 1.4182e-05 deg
tp 2459510.139769743443
(2021-Oct-22.63976974)
5.345e-05 TDB
period 1307.36312677997
3.58
1.0941e-05
2.995e-08
d
yr
n .2753634339425486 2.3043e-09 deg/d
Q 2.860145305059608 1.5957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      8626 days (23.62 yr)  
   first obs. used      1996-10-10  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:13  

Additional Information
 Earth MOID = .820516 au 
 Jupiter MOID = 2.60357 au 
 T_jup = 3.530 
[ 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 17.16   n/a MPCxxxxx  

213814 (2003 QY18)          Discovered 2003-Aug-22 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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