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390756 (2003 SZ323)
Classification: Main-belt Asteroid          SPK-ID: 2390756
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04721473538591518 1.0055e-07  
a 2.631738116570602 2.0414e-08 au
q 2.507481297791695 2.7212e-07 au
i 6.740651970013717 1.0289e-05 deg
node 348.147535734694 4.4755e-05 deg
peri 10.62376119675088 8.0881e-05 deg
M 327.0035948563795 6.3989e-05 deg
tp 2459143.431041856932
(2020-Oct-20.93104186)		 0.00027709 TDB
period 1559.417604570288
4.27		 1.8144e-05
4.968e-08		 d
yr
n .2308554161149164 2.6861e-09 deg/d
Q 2.75599493534951 2.1378e-08 au
   Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6244 days (17.10 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:38:37  

Additional Information
 Earth MOID = 1.50309 au 
 Jupiter MOID = 2.45651 au 
 T_jup = 3.388 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457933.5 (2017-Jun-29.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04881545863870225 1.0044e-07  
q 2.502744347983557 2.7261e-07 au
tp 2457586.682691597578
(2016-Jul-17.18269160)		 0.00026862 TDB
node 348.2730708571831 4.4767e-05 deg
peri 11.1449463490517 7.8992e-05 deg
i 6.740194034717015 1.029e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      6244 days (17.10 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:38:37  

Additional Information
 Jupiter MOID = 2.45651 au 
 T_jup = 3.388 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.008908223965756E-14 -2.732250833196355E-14 -1.443716396096561E-12 9.752804195965719E-15 -3.931936581151648E-13 2.761171161308504E-15
q -2.732250833196355E-14 7.43177070477707E-14 3.173913550991347E-12 -2.579135754587581E-14 9.020448012077719E-13 -5.865724199940944E-15
tp -1.443716396096561E-12 3.173913550991347E-12 7.215440188318287E-8 -1.840664397497435E-11 1.749639959102238E-8 -1.628271940510363E-12
node 9.752804195965719E-15 -2.579135754587581E-14 -1.840664397497435E-11 2.004067972304533E-9 -1.993493426294063E-9 7.656361354057488E-11
peri -3.931936581151648E-13 9.020448012077719E-13 1.749639959102238E-8 -1.993493426294063E-9 6.23975376307669E-9 -7.63496829164845E-11
i 2.761171161308504E-15 -5.865724199940944E-15 -1.628271940510363E-12 7.656361354057488E-11 -7.63496829164845E-11 1.058768134410156E-10

[ 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 17.2   n/a MPO434440  

390756 (2003 SZ323)          Discovered 2003-Sep-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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