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JPL Small-Body Database Browser
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226006 (2002 EZ18)
Classification: Main-belt Asteroid          SPK-ID: 2226006
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06706706215380895 7.0308e-08  
a 2.791497731451909 3.4004e-08 au
q 2.604280179594407 1.9682e-07 au
i 4.451057021263437 8.4477e-06 deg
node 168.8013786356198 7.7121e-05 deg
peri 156.4695596880914 9.2176e-05 deg
M 77.59436009565279 5.2204e-05 deg
tp 2458233.317477617345
(2018-Apr-24.81747762)
0.00024652 TDB
period 1703.547885372169
4.66
3.1127e-05
8.522e-08
d
yr
n .2113236751905873 3.8613e-09 deg/d
Q 2.978715283309411 3.6284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6061 days (16.59 yr)  
   first obs. used      2002-02-14  
   last obs. used      2018-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60469  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:12  

Additional Information
 Earth MOID = 1.59229 au 
 Jupiter MOID = 2.24321 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456793.5 (2014-May-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06838540411833698 7.0307e-08  
q 2.59919670168309 1.9697e-07 au
tp 2456519.426545008624
(2013-Aug-14.92654501)
0.00024155 TDB
node 168.8377498441498 7.7171e-05 deg
peri 154.2739609258436 9.1709e-05 deg
i 4.448176440264282 8.4502e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      6061 days (16.59 yr)  
   first obs. used      2002-02-14  
   last obs. used      2018-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60469  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 08:45:12  

Additional Information
 Jupiter MOID = 2.24321 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.943026688327066E-15 -1.366934902092805E-14 4.198483473131307E-12 3.301293081669319E-16 8.905765191989286E-13 1.351407869219679E-15
q -1.366934902092805E-14 3.879653203876489E-14 -1.208851804790622E-11 1.664162587177172E-15 -2.531179841021624E-12 -2.914194103375132E-15
tp 4.198483473131307E-12 -1.208851804790622E-11 5.834538825731757E-8 5.474718950924194E-12 1.199579274595486E-8 -1.847216201744192E-12
node 3.301293081669319E-16 1.664162587177172E-15 5.474718950924194E-12 5.955397003460299E-9 -5.935886487452758E-9 1.824058453587632E-11
peri 8.905765191989286E-13 -2.531179841021624E-12 1.199579274595486E-8 -5.935886487452758E-9 8.410496885848119E-9 -1.847646552679015E-11
i 1.351407869219679E-15 -2.914194103375132E-15 -1.847216201744192E-12 1.824058453587632E-11 -1.847646552679015E-11 7.140664396267495E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO454622  

226006 (2002 EZ18)          Discovered 2002-Mar-09 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 EZ18 = 2004 RX330 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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