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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414372723977378 5.058e-08  
a 2.794785817472731 2.0372e-08 au
q 2.399498934513506 1.4617e-07 au
i 20.62272331008822 6.8652e-06 deg
node 2.615704981822295 1.1161e-05 deg
peri 306.7924818280429 3.3363e-05 deg
M 267.432526975456 3.5302e-05 deg
tp 2459439.310620627101
(2021-Aug-12.81062063)
0.00016802 TDB
period 1706.558667577224
4.67
1.866e-05
5.109e-08
d
yr
n .2109508491208724 2.3066e-09 deg/d
Q 3.190072700431956 2.3254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:55:31  

Additional Information
 Earth MOID = 1.43902 au 
 Jupiter MOID = 2.34554 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457685.5 (2016-Oct-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1404749197671744 5.0535e-08  
q 2.403042289030554 1.4606e-07 au
tp 2457731.709291448619
(2016-Dec-09.20929145)
0.00016731 TDB
node 2.638515853530777 1.1161e-05 deg
peri 306.7297210792776 3.3572e-05 deg
i 20.61993448008037 6.8643e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      401  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60492  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:55:31  

Additional Information
 Jupiter MOID = 2.34554 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.553828654524244E-15 -7.330434085408307E-15 4.770002609046193E-12 1.105950673882662E-14 9.25822114981433E-13 4.601673969343451E-15
q -7.330434085408307E-15 2.133281502349574E-14 -1.321375098393665E-11 -3.109908774704552E-14 -2.571755726059671E-12 -1.255593233724056E-14
tp 4.770002609046193E-12 -1.321375098393665E-11 2.799347927805414E-8 4.205697344857719E-11 5.309100198548484E-9 -1.570116132922718E-11
node 1.105950673882662E-14 -3.109908774704552E-14 4.205697344857719E-11 1.245625796540645E-10 -1.07970556704837E-10 5.741198247213617E-13
peri 9.25822114981433E-13 -2.571755726059671E-12 5.309100198548484E-9 -1.07970556704837E-10 1.127100889901749E-9 -3.453182016516654E-12
i 4.601673969343451E-15 -1.255593233724056E-14 -1.570116132922718E-11 5.741198247213617E-13 -3.453182016516654E-12 4.711821444033891E-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 15.4   n/a MPO281338  

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

[ show close-approach data ]
Alternate Designations
 1998 ST79 = 1998 RR57 = 2003 TH9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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