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JPL Small-Body Database Browser
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324927 (2007 WL7)
Classification: Main-belt Asteroid          SPK-ID: 2324927
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794437827847787 8.0448e-08  
a 2.146567611512978 2.2551e-08 au
q 1.761379399299802 1.8694e-07 au
i 2.65183999891995 6.684e-06 deg
node 355.0511210591371 7.7659e-05 deg
peri 21.09424001404845 8.0465e-05 deg
M 26.07916062054511 3.0319e-05 deg
tp 2458917.284084853418
(2020-Mar-08.78408485)
9.5526e-05 TDB
period 1148.722916686551
3.15
1.8102e-05
4.956e-08
d
yr
n .3133915017891406 4.9384e-09 deg/d
Q 2.531755823726154 2.6597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      5922 days (16.21 yr)  
   first obs. used      2002-02-13  
   last obs. used      2018-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55884  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:00:40  

Additional Information
 Earth MOID = .762871 au 
 Jupiter MOID = 2.93424 au 
 T_jup = 3.686 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456678.5 (2014-Jan-21.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1794840322075069 8.0314e-08  
q 1.761243059948618 1.8667e-07 au
tp 2456619.460107928207
(2013-Nov-22.96010793)
6.2842e-05 TDB
node 355.1591547491404 7.7632e-05 deg
peri 20.94605259473784 8.0422e-05 deg
i 2.653070457080295 6.6834e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      5922 days (16.21 yr)  
   first obs. used      2002-02-13  
   last obs. used      2018-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55884  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:00:40  

Additional Information
 Jupiter MOID = 2.93424 au 
 T_jup = 3.686 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.450317014115902E-15 -1.495974869312385E-14 -3.822393443376783E-12 5.022468862369389E-14 -1.290378502089317E-12 -1.696516952827351E-14
q -1.495974869312385E-14 3.484674161020119E-14 9.168162647064559E-12 -1.143964593856995E-13 3.085638084637886E-12 3.978463570597592E-14
tp -3.822393443376783E-12 9.168162647064559E-12 3.949139069079382E-9 -1.645057194368227E-11 1.324602896029103E-9 1.135755065684021E-11
node 5.022468862369389E-14 -1.143964593856995E-13 -1.645057194368227E-11 6.026674071969516E-9 -6.024836913182649E-9 -2.983651544557945E-11
peri -1.290378502089317E-12 3.085638084637886E-12 1.324602896029103E-9 -6.024836913182649E-9 6.467620306413485E-9 3.348296050364328E-11
i -1.696516952827351E-14 3.978463570597592E-14 1.135755065684021E-11 -2.983651544557945E-11 3.348296050364328E-11 4.466757070433343E-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 17.6   n/a MPO437406  

324927 (2007 WL7)          Discovered 2007-Nov-18 by LINEAR at Socorro
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ 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
2099-Jan-25 23:16 00:03 Iris 0.0300470162221474 0.0300047383880922 0.030089380840384 3.26426313034759 3.26426307173559 2487729.469689772 3.31915917509991 3305.15710657872 32.7395598650226 -50.3538694761357 105632.129533587 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 11:00:43 2018-Dec-18 01:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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