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392917 (2012 VF87)
Classification: Main-belt Asteroid          SPK-ID: 2392917
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0727276654817736 6.1026e-08  
a 2.382717609751804 2.3151e-08 au
q 2.209428120492243 1.4487e-07 au
i 2.99680011009435 6.1354e-06 deg
node 297.1966924400362 0.00010135 deg
peri 56.94504938222688 0.00011501 deg
M 72.78764953336217 4.7401e-05 deg
tp 2458728.879538215359
(2019-Sep-02.37953822)
0.00017805 TDB
period 1343.406015572074
3.68
1.958e-05
5.361e-08
d
yr
n .2679755753860444 3.9056e-09 deg/d
Q 2.556007099011364 2.4835e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5054 days (13.84 yr)  
   first obs. used      2005-12-25  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:05  

Additional Information
 Earth MOID = 1.20553 au 
 Jupiter MOID = 2.73167 au 
 T_jup = 3.532 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457547.5 (2016-Jun-08.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07378915376986271 6.1213e-08  
q 2.206695839425235 1.4547e-07 au
tp 2457383.858481574897
(2015-Dec-27.35848157)
0.00018095 TDB
node 297.3030208923466 0.00010144 deg
peri 56.4124582624641 0.0001146 deg
i 2.995139415352511 6.1359e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5054 days (13.84 yr)  
   first obs. used      2005-12-25  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:05  

Additional Information
 Jupiter MOID = 2.73167 au 
 T_jup = 3.532 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.746994041015462E-15 -8.808343583811081E-15 -8.917474754867088E-14 1.192277431368869E-14 9.11789796195801E-14 -4.494671154842989E-15
q -8.808343583811081E-15 2.116175195390869E-14 -1.323361359131321E-12 -1.973933635234123E-14 -6.569922122888942E-13 1.161663253971106E-14
tp -8.917474754867088E-14 -1.323361359131321E-12 3.274222973317642E-8 -9.065340941582491E-11 9.668726822897848E-9 -5.171653624202996E-12
node 1.192277431368869E-14 -1.973933635234123E-14 -9.065340941582491E-11 1.028916217234604E-8 -1.030032150152921E-8 2.437422753250111E-10
peri 9.11789796195801E-14 -6.569922122888942E-13 9.668726822897848E-9 -1.030032150152921E-8 1.313254789527282E-8 -2.450658874249581E-10
i -4.494671154842989E-15 1.161663253971106E-14 -5.171653624202996E-12 2.437422753250111E-10 -2.450658874249581E-10 3.764943134151358E-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 17.7   n/a MPO446664  

392917 (2012 VF87)          Discovered 2008-Aug-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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