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JPL Small-Body Database Browser
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379233 (2009 ST273)
Classification: Main-belt Asteroid          SPK-ID: 2379233
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805087387179156 9.6184e-08  
a 2.395668783127491 7.0759e-08 au
q 1.963229632699264 2.529e-07 au
i 1.949479670589175 1.2437e-05 deg
node 45.18875057591514 0.00033694 deg
peri 261.1539705704837 0.00034244 deg
M 2.232578091425522 8.7967e-05 deg
tp 2458992.100706728063
(2020-May-22.60070673)
0.00033063 TDB
period 1354.373936352053
3.71
6.0004e-05
1.643e-07
d
yr
n .2658054694773913 1.1776e-08 deg/d
Q 2.828107933555718 8.3531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4017 days (11.00 yr)  
   first obs. used      2008-04-03  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:40:43  

Additional Information
 Earth MOID = .949444 au 
 Jupiter MOID = 2.41618 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456851.5 (2014-Jul-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797148156047742 9.6193e-08  
q 1.965905819809052 2.5301e-07 au
tp 2456281.739775961530
(2012-Dec-20.23977596)
0.00023791 TDB
node 45.31010982063468 0.00033654 deg
peri 260.7879337632609 0.00034207 deg
i 1.950287399311074 1.2431e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4017 days (11.00 yr)  
   first obs. used      2008-04-03  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:40:43  

Additional Information
 Jupiter MOID = 2.41618 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.253091151508408E-15 -2.375366208442473E-14 -3.64833074820932E-13 -4.347095016259758E-14 7.950840935996777E-14 4.773461547624078E-15
q -2.375366208442473E-14 6.401258079080738E-14 1.051305625585249E-11 6.842538211798343E-14 2.341192286722107E-12 -6.728199573910156E-15
tp -3.64833074820932E-13 1.051305625585249E-11 5.659890589865733E-8 -4.08698164619665E-10 1.471557075398804E-8 2.685059973313165E-11
node -4.347095016259758E-14 6.842538211798343E-14 -4.08698164619665E-10 1.13258011640174E-7 -1.132927058242593E-7 -1.695676434314617E-9
peri 7.950840935996777E-14 2.341192286722107E-12 1.471557075398804E-8 -1.132927058242593E-7 1.170107010574806E-7 1.701571076160948E-9
i 4.773461547624078E-15 -6.728199573910156E-15 2.685059973313165E-11 -1.695676434314617E-9 1.701571076160948E-9 1.545235357357901E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO471888  

379233 (2009 ST273)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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