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 ]  
183670 (2003 WG138)
Classification: Main-belt Asteroid          SPK-ID: 2183670
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09197867666971891 5.0487e-08  
a 2.26785411041674 1.5159e-08 au
q 2.059259890460625 1.1068e-07 au
i 6.777642666535311 5.5908e-06 deg
node 262.188402961339 6.2583e-05 deg
peri 186.7929719454966 7.6543e-05 deg
M 172.4456472647892 4.4268e-05 deg
tp 2458002.954702907112
(2017-Sep-06.45470291)
0.00015205 TDB
period 1247.444109871501
3.42
1.2507e-05
3.424e-08
d
yr
n .2885900836367599 2.8935e-09 deg/d
Q 2.476448330372854 1.6553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6293 days (17.23 yr)  
   first obs. used      2001-02-22  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:05:20  

Additional Information
 Earth MOID = 1.07581 au 
 Jupiter MOID = 2.68632 au 
 T_jup = 3.600 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456792.5 (2014-May-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09252984246222615 5.0533e-08  
q 2.05749491629768 1.1097e-07 au
tp 2456756.130886238806
(2014-Apr-08.63088624)
0.00014862 TDB
node 262.2376110197761 6.2599e-05 deg
peri 186.680486734128 7.6379e-05 deg
i 6.777159397666125 5.5913e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6293 days (17.23 yr)  
   first obs. used      2001-02-22  
   last obs. used      2018-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59113  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:05:20  

Additional Information
 Jupiter MOID = 2.68632 au 
 T_jup = 3.600 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.55363074455693E-15 -5.569838118365185E-15 -4.020921430825584E-13 1.591268345131344E-14 -1.74796899436661E-13 -3.054172712645559E-15
q -5.569838118365185E-15 1.231494478378271E-14 1.179158220282251E-12 -3.218504568271384E-14 4.674128145169223E-13 7.110344023131584E-15
tp -4.020921430825584E-13 1.179158220282251E-12 2.208740938720817E-8 9.273997798655794E-11 6.56475785254972E-9 -5.755739800582493E-12
node 1.591268345131344E-14 -3.218504568271384E-14 9.273997798655794E-11 3.918684683989462E-9 -3.862395630747013E-9 -6.830385791639133E-11
peri -1.74796899436661E-13 4.674128145169223E-13 6.56475785254972E-9 -3.862395630747013E-9 5.833736769990766E-9 6.599041600239937E-11
i -3.054172712645559E-15 7.110344023131584E-15 -5.755739800582493E-12 -6.830385791639133E-11 6.599041600239937E-11 3.126253457486469E-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 16.6   n/a MPO440026  

183670 (2003 WG138)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-10 00:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin