Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


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

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0672746302097379 6.889e-08  
a 2.791600912451919 3.1873e-08 au
q 2.60379699337355 1.906e-07 au
i 4.451315758933568 8.2526e-06 deg
node 168.7866652111064 7.1855e-05 deg
peri 156.6237087684132 8.6114e-05 deg
M 161.9508793766171 4.7994e-05 deg
tp 2458234.093403575524
(2018-Apr-25.59340358)
0.00022741 TDB
period 1703.642337570706
4.66
2.9177e-05
7.988e-08
d
yr
n .2113119591247884 3.619e-09 deg/d
Q 2.979404831530289 3.4018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6534 days (17.89 yr)  
   first obs. used      2002-02-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:35:52  

Additional Information
 Earth MOID = 1.59271 au 
 Jupiter MOID = 2.24382 au 
 T_jup = 3.321 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456949.5 (2014-Oct-19.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06830245479626725 6.8754e-08  
q 2.599398351337491 1.9001e-07 au
tp 2456519.427738789329
(2013-Aug-14.92773879)
0.00022782 TDB
node 168.8378101919595 7.1911e-05 deg
peri 154.2823927611289 8.5884e-05 deg
i 4.448181494214278 8.254e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6534 days (17.89 yr)  
   first obs. used      2002-02-14  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 01:35:52  

Additional Information
 Jupiter MOID = 2.24382 au 
 T_jup = 3.321 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.727141226987628E-15 -1.291011103268918E-14 4.856838516426483E-12 8.66538781358352E-15 1.00269605744495E-12 1.015479441099845E-15
q -1.291011103268918E-14 3.610547365220156E-14 -1.459824249507676E-11 -2.121753913498879E-14 -2.970664729351775E-12 -1.944511855735846E-15
tp 4.856838516426483E-12 -1.459824249507676E-11 5.190122271290695E-8 2.686607415891605E-11 1.071621929287618E-8 -2.363063387477365E-12
node 8.66538781358352E-15 -2.121753913498879E-14 2.686607415891605E-11 5.171134027902744E-9 -5.149598007345959E-9 4.309806749660221E-11
peri 1.00269605744495E-12 -2.970664729351775E-12 1.071621929287618E-8 -5.149598007345959E-9 7.376086529288741E-9 -4.33824667894578E-11
i 1.015479441099845E-15 -1.944511855735846E-15 -2.363063387477365E-12 4.309806749660221E-11 -4.33824667894578E-11 6.812796791855146E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-24 12:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin