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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179612268710765 8.0487e-08  
a 2.147295575710262 2.283e-08 au
q 1.761614945764354 1.8726e-07 au
i 2.651523189398893 6.6831e-06 deg
node 355.0798618116794 7.7667e-05 deg
peri 20.9508764138176 8.0447e-05 deg
M 260.8623006634867 2.8378e-05 deg
tp 2458916.999119501200
(2020-Mar-08.49911950)
9.527e-05 TDB
period 1149.307314805387
3.15
1.8329e-05
5.018e-08
d
yr
n .3132321489322106 4.9954e-09 deg/d
Q 2.532976205656171 2.6931e-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 = .762267 au 
 Jupiter MOID = 2.92992 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 = 2.92992 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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