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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2348729121390081 3.7744e-08  
a 2.297707499943862 8.6727e-09 au
q 1.758038248188407 8.9079e-08 au
i 1.713015523533791 4.1213e-06 deg
node 20.76408086199237 0.00013521 deg
peri 6.692078017542971 0.00013557 deg
M 355.3148885212105 1.0068e-05 deg
tp 2459217.056097217147
(2021-Jan-02.55609722)		 3.5583e-05 TDB
period 1272.156495134877
3.48		 7.2026e-06
1.972e-08		 d
yr
n .282984052179706 1.6022e-09 deg/d
Q 2.837376751699316 1.071e-08 au
   Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7825 days (21.42 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:04:51  

Additional Information
 Earth MOID = .76144 au 
 Jupiter MOID = 2.61494 au 
 T_jup = 3.556 
[ show covariance matrix ]

[ 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 16.70   n/a E2021B55  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1955-Nov-23 07:55 00:04 Amphi 0.0310321730065352 0.0310309788161814 0.0310333681342401 2.93344468540736 2.93344462225597 2435434.829968764 3.96536353727478 582.407031097673 52.7274800956416 87.2657154797547 87860.0175174634 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:04:52 2021-Feb-24 10:04
2139-Sep-13 01:42 00:05 Iris 0.032003647301879 0.031989521570171 0.0320178200708494 3.10562119554573 3.10562113770615 2502568.570949110 5.4129998622578 2059.53358175029 31.9631682375794 -69.9974797286865 140625.451286158 T 18 CATAB v2.0f-lin.ifort 2021-Feb-24 10:04:52 2021-Feb-24 10:04
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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