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117027 (2004 JS12)
Classification: Main-belt Asteroid          SPK-ID: 2117027
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765191885540312 4.2476e-08  
a 3.167886576657792 3.1711e-08 au
q 2.608693808714951 1.3922e-07 au
i 12.70046839792838 6.94e-06 deg
node 357.6568085387649 2.0653e-05 deg
peri 286.405866555146 2.8121e-05 deg
M 261.0879383362716 1.9017e-05 deg
tp 2459566.347779202107
(2021-Dec-17.84777920)
0.00011187 TDB
period 2059.457634249862
5.64
3.0923e-05
8.466e-08
d
yr
n .1748033045268866 2.6247e-09 deg/d
Q 3.727079344600634 3.7309e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8103 days (22.18 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:21:38  

Additional Information
 Earth MOID = 1.62864 au 
 Jupiter MOID = 1.74004 au 
 T_jup = 3.141 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457302.5 (2015-Oct-07.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753283995110178 4.242e-08  
q 2.612673256718856 1.389e-07 au
tp 2457504.323838959468
(2016-Apr-25.82383896)
0.0001044 TDB
node 357.6990939490665 2.0651e-05 deg
peri 286.1625986112828 2.8222e-05 deg
i 12.69940863108736 6.9392e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8103 days (22.18 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5783  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:21:38  

Additional Information
 Jupiter MOID = 1.74004 au 
 T_jup = 3.141 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.799487986319343E-15 -5.788543175550548E-15 1.092598488709347E-12 -8.132832262058113E-15 2.412021165769257E-13 -4.322075774912605E-15
q -5.788543175550548E-15 1.929237960888954E-14 -3.091332765597971E-12 3.203638663133521E-14 -7.29355888207598E-13 2.715595946694145E-14
tp 1.092598488709347E-12 -3.091332765597971E-12 1.089880033247217E-8 -1.256191654445289E-11 2.022161482668108E-9 -4.766223611849102E-12
node -8.132832262058113E-15 3.203638663133521E-14 -1.256191654445289E-11 4.264825669166942E-10 -4.179768531373672E-10 -3.39988064822276E-12
peri 2.412021165769257E-13 -7.29355888207598E-13 2.022161482668108E-9 -4.179768531373672E-10 7.964718141040315E-10 2.580946075884874E-12
i -4.322075774912605E-15 2.715595946694145E-14 -4.766223611849102E-12 -3.39988064822276E-12 2.580946075884874E-12 4.815297287463055E-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 14.7   n/a MPO432675  

117027 (2004 JS12)          Discovered 2004-May-13 by Broughton, J. at Reedy Creek
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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