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
JPL Small-Body Database Browser
Search: [ help ]  
136239 (2003 WG142)
Classification: Main-belt Asteroid          SPK-ID: 2136239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350900413941697 3.784e-08  
a 2.298541576309544 8.7199e-09 au
q 1.758177341988713 8.9393e-08 au
i 1.712838627798711 4.1344e-06 deg
node 20.7751637052453 0.0001374 deg
peri 6.627276190484249 0.00013774 deg
M 298.7874130741455 1.014e-05 deg
tp 2459216.928876728846
(2021-Jan-02.42887673)
3.5918e-05 TDB
period 1272.849254300597
3.48
7.2431e-06
1.983e-08
d
yr
n .2828300356728513 1.6094e-09 deg/d
Q 2.838905810630374 1.077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:49:23  

Additional Information
 Earth MOID = .762792 au 
 Jupiter MOID = 2.61236 au 
 T_jup = 3.555 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458048.5 (2017-Oct-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2364130639521191 3.7786e-08  
q 1.754263238532374 8.931e-08 au
tp 2457945.014282543622
(2017-Jul-10.51428254)
3.5748e-05 TDB
node 20.84920987070409 0.0001372 deg
peri 6.664316288673076 0.00013754 deg
i 1.714786209712889 4.1363e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:49:23  

Additional Information
 Jupiter MOID = 2.61236 au 
 T_jup = 3.555 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.427788903256801E-15 -3.366320671623248E-15 -6.544139942406533E-13 -2.062598563919898E-14 -1.359715239354197E-13 -1.138227329849451E-15
q -3.366320671623248E-15 7.976230732883094E-15 1.471449308169395E-12 4.667525970281606E-14 3.025055374588406E-13 2.713941457002845E-15
tp -6.544139942406533E-13 1.471449308169395E-12 1.277894424446667E-9 3.111360793484661E-11 3.594632240497642E-10 9.371733579284497E-13
node -2.062598563919898E-14 4.667525970281606E-14 3.111360793484661E-11 1.882464756762814E-8 -1.880687257449536E-8 -3.032032379464115E-10
peri -1.359715239354197E-13 3.025055374588406E-13 3.594632240497642E-10 -1.880687257449536E-8 1.891711527476185E-8 3.033415945329225E-10
i -1.138227329849451E-15 2.713941457002845E-15 9.371733579284497E-13 -3.032032379464115E-10 3.033415945329225E-10 1.71090999645699E-11

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 16.6   n/a MPO338184  

136239 (2003 WG142)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-20 07:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin