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359979 (2012 TJ318)
Classification: Main-belt Asteroid          SPK-ID: 2359979
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03356068160051686 4.7838e-08  
a 2.664576943390021 2.8888e-08 au
q 2.57515192499283 1.376e-07 au
i 10.12734269009795 5.5638e-06 deg
node 31.48171687599426 3.5817e-05 deg
peri 27.42964360387379 0.00010951 deg
M 249.1552114451821 0.00010432 deg
tp 2459489.663004476795
(2021-Oct-02.16300448)
0.0004618 TDB
period 1588.696084927416
4.35
2.5836e-05
7.074e-08
d
yr
n .2266009234966093 3.6851e-09 deg/d
Q 2.754001961787212 2.9858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      6199 days (16.97 yr)  
   first obs. used      2003-09-24  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:20:38  

Additional Information
 Earth MOID = 1.58839 au 
 Jupiter MOID = 2.35505 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457788.5 (2017-Feb-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03520465416606122 4.8075e-08  
q 2.5696245444344 1.3862e-07 au
tp 2457896.608594613324
(2017-May-23.10859461)
0.0004332 TDB
node 31.57617184590678 3.575e-05 deg
peri 26.26206549045665 0.00010444 deg
i 10.13959082006836 5.5687e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      6199 days (16.97 yr)  
   first obs. used      2003-09-24  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:20:38  

Additional Information
 Jupiter MOID = 2.35505 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.311248759315588E-15 -6.540727193104093E-15 -5.980731892952907E-13 -4.500278588276218E-15 -1.139446503849244E-13 -1.312293743106275E-15
q -6.540727193104093E-15 1.921461019997323E-14 3.277706627781986E-12 1.719508222427619E-14 6.731750897816617E-13 5.291920938108607E-15
tp -5.980731892952907E-13 3.277706627781986E-12 1.876582310894748E-7 2.186657313611292E-10 4.255947548287105E-8 1.057164171672892E-11
node -4.500278588276218E-15 1.719508222427619E-14 2.186657313611292E-10 1.2780355725816E-9 -1.207893405902382E-9 -2.997261030430369E-11
peri -1.139446503849244E-13 6.731750897816617E-13 4.255947548287105E-8 -1.207893405902382E-9 1.090753281454472E-8 3.196970839671809E-11
i -1.312293743106275E-15 5.291920938108607E-15 1.057164171672892E-11 -2.997261030430369E-11 3.196970839671809E-11 3.101011674618577E-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 15.9   n/a MPO297736  

359979 (2012 TJ318)          Discovered 2003-Sep-24 by NEAT at Haleakala
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2012 TJ318 = 2003 SX231 = 2010 EV68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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