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469520 (2003 ST38)
Classification: Main-belt Asteroid          SPK-ID: 2469520
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2449539025257037 6.1308e-08  
a 2.696154746939912 2.0276e-08 au
q 2.035721119863779 1.7274e-07 au
i 5.305102153636692 6.498e-06 deg
node 293.5195104078345 7.1922e-05 deg
peri 77.63926051700952 7.4316e-05 deg
M 275.2977960209316 1.8645e-05 deg
tp 2459380.958997928041
(2021-Jun-15.45899793)
8.7165e-05 TDB
period 1617.020960728974
4.43
1.8241e-05
4.994e-08
d
yr
n .2226316224359314 2.5114e-09 deg/d
Q 3.356588374016045 2.5243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5682 days (15.56 yr)  
   first obs. used      2003-09-16  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:43:33  

Additional Information
 Earth MOID = 1.04352 au 
 Jupiter MOID = 2.16075 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2455502237135474 6.0886e-08  
q 2.032566737076432 1.7094e-07 au
tp 2457766.808623386515
(2017-Jan-13.30862339)
7.3808e-05 TDB
node 293.5411135727968 7.1976e-05 deg
peri 77.99026222533088 7.4378e-05 deg
i 5.304484473000215 6.4969e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5682 days (15.56 yr)  
   first obs. used      2003-09-16  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59771  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:43:33  

Additional Information
 Jupiter MOID = 2.16075 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.707074339929969E-15 -1.037494362631978E-14 -2.023905610561362E-12 -1.794369560650357E-14 -4.622728369321034E-13 -1.117189215802615E-14
q -1.037494362631978E-14 2.922006432698977E-14 6.196507726353587E-12 4.509535294930723E-14 1.408080693801776E-12 3.190672500310526E-14
tp -2.023905610561362E-12 6.196507726353587E-12 5.447615625862355E-9 -4.924748319454749E-11 1.41971175508252E-9 3.685639668767933E-12
node -1.794369560650357E-14 4.509535294930723E-14 -4.924748319454749E-11 5.180507260398401E-9 -5.17049268036896E-9 1.370837098466608E-10
peri -4.622728369321034E-13 1.408080693801776E-12 1.41971175508252E-9 -5.17049268036896E-9 5.532029735312224E-9 -1.358255280595866E-10
i -1.117189215802615E-14 3.190672500310526E-14 3.685639668767933E-12 1.370837098466608E-10 -1.358255280595866E-10 4.22099578499306E-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 16.8   n/a MPO437769  

469520 (2003 ST38)          Discovered 2003-Sep-16 by NEAT at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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