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243596 (1998 ST79)
Classification: Main-belt Asteroid          SPK-ID: 2243596
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419064511976985 4.9168e-08  
a 2.796037531787118 2.0052e-08 au
q 2.399261768235636 1.4265e-07 au
i 20.62331798657483 6.6025e-06 deg
node 2.604632413602526 1.1133e-05 deg
peri 306.7421125923447 3.1868e-05 deg
M 351.0339832495633 3.3796e-05 deg
tp 2459439.031428256868
(2021-Aug-12.53142826)
0.00016038 TDB
period 1707.705283031828
4.68
1.8371e-05
5.03e-08
d
yr
n .2108092090462253 2.2678e-09 deg/d
Q 3.1928132953386 2.2898e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      8315 days (22.77 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:17:31  

Additional Information
 Earth MOID = 1.43819 au 
 Jupiter MOID = 2.344 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457705.5 (2016-Nov-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .140486381637572 4.9269e-08  
q 2.40304126159102 1.4248e-07 au
tp 2457731.711715529721
(2016-Dec-09.21171553)
0.00015957 TDB
node 2.638552803098762 1.1135e-05 deg
peri 306.7304288213506 3.2087e-05 deg
i 20.61992913941381 6.6013e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      8315 days (22.77 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:17:31  

Additional Information
 Jupiter MOID = 2.344 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.427477095609456E-15 -6.970038827041252E-15 4.225463013861998E-12 1.005079286859953E-14 8.178772011748221E-13 4.938343826550806E-15
q -6.970038827041252E-15 2.030157891428131E-14 -1.168493067673022E-11 -2.823950833072862E-14 -2.26775699755287E-12 -1.354962194774826E-14
tp 4.225463013861998E-12 -1.168493067673022E-11 2.546104333190444E-8 3.752325276294418E-11 4.813993434149867E-9 -1.452242276120364E-11
node 1.005079286859953E-14 -2.823950833072862E-14 3.752325276294418E-11 1.239835887399244E-10 -1.083362344029152E-10 -8.432210864145592E-13
peri 8.178772011748221E-13 -2.26775699755287E-12 4.813993434149867E-9 -1.083362344029152E-10 1.029573798103585E-9 -1.897764875444552E-12
i 4.938343826550806E-15 -1.354962194774826E-14 -1.452242276120364E-11 -8.432210864145592E-13 -1.897764875444552E-12 4.357681734622595E-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 15.49   n/a E2021B55  

243596 (1998 ST79)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

Alternate Designations
 1998 ST79 = 1998 RR57 = 2003 TH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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