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79744 (1998 SB145)
Classification: Main-belt Asteroid          SPK-ID: 2079744
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 .1926379671915143 4.5626e-08  
a 2.395290747546897 9.3712e-09 au
q 1.933866807106819 1.1292e-07 au
i 3.496164632303444 4.7733e-06 deg
node 161.25009040 5.3014e-05 deg
peri 201.868028740812 5.399e-05 deg
M 316.0496639295932 8.8128e-06 deg
tp 2459165.808612907384
(2020-Nov-12.30861291)
3.3125e-05 TDB
period 1354.053369496963
3.71
7.9463e-06
2.176e-08
d
yr
n .2658683978857803 1.5603e-09 deg/d
Q 2.856714687986973 1.1176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      9611 days (26.31 yr)  
   first obs. used      1994-07-08  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:10  

Additional Information
 Earth MOID = .931817 au 
 Jupiter MOID = 2.59915 au 
 T_jup = 3.501 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457622.5 (2016-Aug-22.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1933685928884041 4.5581e-08  
q 1.931222396564318 1.1285e-07 au
tp 2457813.578321650150
(2017-Mar-01.07832165)
3.4036e-05 TDB
node 161.31184391858 5.3036e-05 deg
peri 202.1361318059759 5.4004e-05 deg
i 3.496018257601468 4.7735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      659  
   data-arc span      9611 days (26.31 yr)  
   first obs. used      1994-07-08  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49958  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:10  

Additional Information
 Jupiter MOID = 2.59915 au 
 T_jup = 3.501 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077668992502007E-15 -5.134484936845391E-15 -1.592516784047215E-13 -1.13601982114856E-14 -9.984351786397003E-16 -1.010984798565537E-15
q -5.134484936845391E-15 1.273407455627863E-14 3.155747804351376E-13 2.786131533531956E-14 -2.011451914219838E-14 2.649935399542339E-15
tp -1.592516784047215E-13 3.155747804351376E-13 1.158458254405252E-9 2.573617006709882E-12 3.515144428670331E-10 -7.98958561645433E-13
node -1.13601982114856E-14 2.786131533531956E-14 2.573617006709882E-12 2.812765083283361E-9 -2.806410335266877E-9 1.342403897267837E-11
peri -9.984351786397003E-16 -2.011451914219838E-14 3.515144428670331E-10 -2.806410335266877E-9 2.916475687160369E-9 -1.364333899831605E-11
i -1.010984798565537E-15 2.649935399542339E-15 -7.98958561645433E-13 1.342403897267837E-11 -1.364333899831605E-11 2.278634006113077E-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 16.0   n/a MPO436338  

79744 (1998 SB145)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 SB145 = 1998 UG41 = 2000 CY79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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