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78950 (2003 SC204)
Classification: Main-belt Asteroid          SPK-ID: 2078950
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1062888526533919 4.465e-08  
a 2.938634760472075 1.881e-08 au
q 2.626290643414123 1.301e-07 au
i 3.014274700299817 4.3518e-06 deg
node 67.83517638521978 0.00010033 deg
peri 346.306613690113 0.00010381 deg
M 82.69191762595605 2.5983e-05 deg
tp 2458577.853373709113
(2019-Apr-04.35337371)		 0.00013216 TDB
period 1839.995852472045
5.04		 1.7666e-05
4.837e-08		 d
yr
n .1956526149318967 1.8785e-09 deg/d
Q 3.250978877530027 2.0809e-08 au
   Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:36:30  

Additional Information
 Earth MOID = 1.63779 au 
 Jupiter MOID = 2.07008 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456943.5 (2014-Oct-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1033950368180696 4.4094e-08  
q 2.636397420606737 1.2765e-07 au
tp 2456740.611870222963
(2014-Mar-24.11187022)		 0.000136 TDB
node 67.96925055098224 0.00010025 deg
peri 346.9623706916602 0.00010398 deg
i 3.014597874392515 4.3489e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1998-10-14  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:36:30  

Additional Information
 Jupiter MOID = 2.07008 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.944239468316078E-15 -5.580444006454718E-15 -2.491398498452068E-12 -1.327902493807924E-14 -5.451548569237794E-13 -6.755904295564205E-16
q -5.580444006454718E-15 1.629543012619264E-14 7.227244342654107E-12 3.914164095393034E-14 1.585125805690437E-12 2.110800323598671E-15
tp -2.491398498452068E-12 7.227244342654107E-12 1.849600092386497E-8 1.102457323427383E-10 3.793708079578954E-9 -7.781076543740224E-13
node -1.327902493807924E-14 3.914164095393034E-14 1.102457323427383E-10 1.005086943218616E-8 -1.001323188181885E-8 -1.121998841672948E-10
peri -5.451548569237794E-13 1.585125805690437E-12 3.793708079578954E-9 -1.001323188181885E-8 1.081111799100523E-8 1.118903482679252E-10
i -6.755904295564205E-16 2.110800323598671E-15 -7.781076543740224E-13 -1.121998841672948E-10 1.118903482679252E-10 1.891284145052276E-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 15.6   n/a MPO468745  

78950 (2003 SC204)          Discovered 2003-Sep-22 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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