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379349 (2009 WL125)
Classification: Main-belt Asteroid          SPK-ID: 2379349
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678508948354364 6.3577e-08  
a 2.723518943715753 4.0517e-08 au
q 2.266373851911802 1.8149e-07 au
i 4.108634501187396 6.8235e-06 deg
node 235.2266461544891 0.00010115 deg
peri 84.66907179356564 0.00010316 deg
M 210.6330689531258 2.3655e-05 deg
tp 2459681.655055998805
(2022-Apr-12.15505600)		 0.0001144 TDB
period 1641.700866724083
4.49		 3.6635e-05
1.003e-07		 d
yr
n .2192847718466268 4.8934e-09 deg/d
Q 3.180664035519706 4.7318e-08 au
   Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5580 days (15.28 yr)  
   first obs. used      2004-10-14  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Earth MOID = 1.25805 au 
 Jupiter MOID = 2.14044 au 
 T_jup = 3.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457324.5 (2015-Oct-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1670970770006641 6.3705e-08  
q 2.271179472775495 1.8167e-07 au
tp 2458037.135975701303
(2017-Oct-10.63597570)		 0.00010232 TDB
node 235.3913489177384 0.0001014 deg
peri 83.88528677005743 0.00010338 deg
i 4.100961631045609 6.8142e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5580 days (15.28 yr)  
   first obs. used      2004-10-14  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54025  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Jupiter MOID = 2.14044 au 
 T_jup = 3.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.058292133060691E-15 -1.137525878101382E-14 5.161806951166639E-13 -9.220042131619979E-16 1.174107981932781E-13 2.295531916703192E-15
q -1.137525878101382E-14 3.300357343185216E-14 -7.213932163120573E-13 1.027930572217324E-14 -3.013019654267486E-13 -6.05266338666559E-15
tp 5.161806951166639E-13 -7.213932163120573E-13 1.046926008172551E-8 1.713608216264803E-11 2.101743307035855E-9 3.043725818381156E-13
node -9.220042131619979E-16 1.027930572217324E-14 1.713608216264803E-11 1.028113790693912E-8 -1.025174565873385E-8 -4.317866249172317E-11
peri 1.174107981932781E-13 -3.013019654267486E-13 2.101743307035855E-9 -1.025174565873385E-8 1.068765581213003E-8 4.315859811996757E-11
i 2.295531916703192E-15 -6.05266338666559E-15 3.043725818381156E-13 -4.317866249172317E-11 4.315859811996757E-11 4.643315623109868E-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 17.0   n/a MPO413414  

379349 (2009 WL125)          Discovered 2009-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ 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
1938-Sep-08 04:20 00:07 Inter 0.0488380014532247 0.0488344168943147 0.0488416211893176 4.47087966802557 4.47087960098035 2429149.680777014 6.49437544642082 2235.57249675612 67.371670243746 85.7314069786436 108066.453743037 T 18 CATAB v2.0f-lin.ifort 2020-Feb-26 03:10:10 2020-Feb-26 03:10

Alternate Designations
 2009 WL125 = 2013 RV88 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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