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442718 (2012 VJ17)
Classification: Main-belt Asteroid          SPK-ID: 2442718
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03056686066255696 7.6373e-08  
a 2.745461929250781 4.0119e-08 au
q 2.661541777005018 2.2186e-07 au
i 12.50609685721992 7.6783e-06 deg
node 249.054938761534 3.0859e-05 deg
peri 170.8243856931422 0.00016156 deg
M 232.431449217936 0.00016521 deg
tp 2459589.293065769619
(2022-Jan-09.79306577)
0.00077119 TDB
period 1661.581184215076
4.55
3.6421e-05
9.972e-08
d
yr
n .2166610957201363 4.7491e-09 deg/d
Q 2.829382081496544 4.1346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2002-08-03  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Earth MOID = 1.67529 au 
 Jupiter MOID = 2.35837 au 
 T_jup = 3.313 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457904.5 (2017-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03238758365584807 7.6967e-08  
q 2.654150575977412 2.2408e-07 au
tp 2457927.020294134440
(2017-Jun-22.52029413)
0.00070171 TDB
node 249.0696623946414 3.0827e-05 deg
peri 170.4049687306587 0.00015216 deg
i 12.51604289635817 7.6865e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6525 days (17.86 yr)  
   first obs. used      2002-08-03  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Jupiter MOID = 2.35837 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.923919167675379E-15 -1.700522910512548E-14 -2.378310933193948E-11 -1.205124235039539E-14 -4.941550533914586E-12 -9.597508552473985E-15
q -1.700522910512548E-14 5.02096512012071E-14 8.299852630606953E-11 3.033257935218275E-14 1.731056613384773E-11 3.340838816333905E-14
tp -2.378310933193948E-11 8.299852630606953E-11 4.923989357130597E-7 -7.195443456403535E-12 1.046013709408554E-7 1.521180368829529E-10
node -1.205124235039539E-14 3.033257935218275E-14 -7.195443456403535E-12 9.503169125463599E-10 -9.290669483078736E-10 -5.57443699511152E-11
peri -4.941550533914586E-12 1.731056613384773E-11 1.046013709408554E-7 -9.290669483078736E-10 2.31539887386631E-8 8.682291668843724E-11
i -9.597508552473985E-15 3.340838816333905E-14 1.521180368829529E-10 -5.57443699511152E-11 8.682291668843724E-11 5.908291778545659E-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 16.1   n/a MPO434644  

442718 (2012 VJ17)          Discovered 2003-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 VJ17 = 2003 WF76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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