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305197 (2007 VW328)
Classification: Main-belt Asteroid          SPK-ID: 2305197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06223486560102896 7.9447e-08  
a 2.608088825431273 3.1078e-08 au
q 2.445774767905012 2.215e-07 au
i 1.812487594560829 7.0456e-06 deg
node 143.240737656055 0.00020802 deg
peri 245.5645138590543 0.0002155 deg
M 31.84496407551253 5.4681e-05 deg
tp 2458864.411866705204
(2020-Jan-15.91186671)
0.00023308 TDB
period 1538.445069994569
4.21
2.7499e-05
7.529e-08
d
yr
n .2340025048806395 4.1826e-09 deg/d
Q 2.770402882957534 3.3013e-08 au
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2003-12-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60866  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:02  

Additional Information
 Earth MOID = 1.45085 au 
 Jupiter MOID = 2.49418 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457658.5 (2016-Sep-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06250504073865872 8.0803e-08  
q 2.444540693737292 2.2516e-07 au
tp 2457317.470525140579
(2015-Oct-21.97052514)
0.00022218 TDB
node 143.2965776276561 0.00020808 deg
peri 243.6235557937555 0.00021519 deg
i 1.812480969282414 7.0503e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      114  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2003-12-29  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60866  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:39:02  

Additional Information
 Jupiter MOID = 2.49418 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.529046430209161E-15 -1.806901282794612E-14 -8.164592129986978E-12 5.615172769931974E-14 -2.178738780329322E-12 -4.46402290828896E-15
q -1.806901282794612E-14 5.069481372313129E-14 2.209229492952757E-11 -1.546664472892918E-13 5.942280837780523E-12 1.291753458080937E-14
tp -8.164592129986978E-12 2.209229492952757E-11 4.936189691731215E-8 -8.574584554907082E-11 1.222963325399509E-8 7.042233800657146E-12
node 5.615172769931974E-14 -1.546664472892918E-13 -8.574584554907082E-11 4.329648437661788E-8 -4.329629655026327E-8 5.929302993443008E-10
peri -2.178738780329322E-12 5.942280837780523E-12 1.222963325399509E-8 -4.329629655026327E-8 4.63079329392099E-8 -5.9082147431379E-10
i -4.46402290828896E-15 1.291753458080937E-14 7.042233800657146E-12 5.929302993443008E-10 -5.9082147431379E-10 4.970611825894866E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO450227  

305197 (2007 VW328)          Discovered 2007-Nov-09 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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