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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0319131934354559 8.9935e-08  
a 2.742516316548182 4.1174e-08 au
q 2.654993862838286 2.5307e-07 au
i 12.51711730842272 9.091e-06 deg
node 249.0719563137756 3.6791e-05 deg
peri 170.0665286869405 0.00015801 deg
M 146.5156392670288 0.0001583 deg
tp 2457925.344607813681
(2017-Jun-20.84460781)
0.00072056 TDB
period 1658.907829928644
4.54
3.7358e-05
1.023e-07
d
yr
n .217010248251999 4.887e-09 deg/d
Q 2.830038770258078 4.2488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6175 days (16.91 yr)  
   first obs. used      2002-08-03  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56438  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:55  

Additional Information
 Earth MOID = 1.66843 au 
 Jupiter MOID = 2.36537 au 
 T_jup = 3.314 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457652.5 (2016-Sep-21.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03251275971412192 8.97e-08  
q 2.654027912690143 2.5266e-07 au
tp 2457927.493111209439
(2017-Jun-22.99311121)
0.00071077 TDB
node 249.0752488929152 3.68e-05 deg
peri 170.5118258573265 0.00015589 deg
i 12.51471285448895 9.0902e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6175 days (16.91 yr)  
   first obs. used      2002-08-03  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56438  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:55  

Additional Information
 Jupiter MOID = 2.36537 au 
 T_jup = 3.314 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.046003222447098E-15 -2.238051340705417E-14 -2.905790752184028E-11 -1.447390534718236E-14 -6.144470028508625E-12 -1.489814455782641E-14
q -2.238051340705417E-14 6.383759370642914E-14 9.608639761471517E-11 2.64677435382367E-14 2.030232938304622E-11 4.979928922968554E-14
tp -2.905790752184028E-11 9.608639761471517E-11 5.051869599885989E-7 -1.803870768861829E-10 1.077443999749514E-7 2.174093341803103E-10
node -1.447390534718236E-14 2.64677435382367E-14 -1.803870768861829E-10 1.35426215779092E-9 -1.360053955157985E-9 -1.469936034620969E-10
peri -6.144470028508625E-12 2.030232938304622E-11 1.077443999749514E-7 -1.360053955157985E-9 2.430273846888903E-8 1.89932373147225E-10
i -1.489814455782641E-14 4.979928922968554E-14 2.174093341803103E-10 -1.469936034620969E-10 1.89932373147225E-10 8.263221856957361E-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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