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434230 (2003 SD278)
Classification: Main-belt Asteroid          SPK-ID: 2434230
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757683606402812 5.7229e-08  
a 2.691258693756356 2.5829e-08 au
q 2.218220565095897 1.539e-07 au
i 8.448712049266929 6.1865e-06 deg
node 236.8531439453809 3.8659e-05 deg
peri 157.1293283537442 4.3289e-05 deg
M 266.5692846095587 2.2019e-05 deg
tp 2459419.022459617890
(2021-Jul-23.52245962)
0.00010322 TDB
period 1612.618343259042
4.42
2.3216e-05
6.356e-08
d
yr
n .2232394301508771 3.2138e-09 deg/d
Q 3.164296822416815 3.0369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      5727 days (15.68 yr)  
   first obs. used      2003-09-21  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57909  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:05  

Additional Information
 Earth MOID = 1.22798 au 
 Jupiter MOID = 2.27005 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779665797983348 5.7123e-08  
q 2.209159827373187 1.5347e-07 au
tp 2457809.710923901924
(2017-Feb-25.21092390)
8.5489e-05 TDB
node 236.8913150656697 3.8605e-05 deg
peri 157.4566981767935 4.3117e-05 deg
i 8.459483230601714 6.1957e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      5727 days (15.68 yr)  
   first obs. used      2003-09-21  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57909  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:35:05  

Additional Information
 Jupiter MOID = 2.27005 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.263015036475871E-15 -8.686183345747192E-15 -3.658407894095579E-13 -2.17852790786253E-14 -1.338190218999126E-13 -4.077511807503719E-15
q -8.686183345747192E-15 2.355341559165539E-14 2.123926289048226E-12 6.321163804675288E-14 5.786281106687212E-13 1.176357177283022E-14
tp -3.658407894095579E-13 2.123926289048226E-12 7.308307046582731E-9 2.409903842736513E-11 1.661896133224928E-9 2.684289938310565E-12
node -2.17852790786253E-14 6.321163804675288E-14 2.409903842736513E-11 1.490341495478675E-9 -1.467993357005987E-9 -4.452522863286388E-11
peri -1.338190218999126E-13 5.786281106687212E-13 1.661896133224928E-9 -1.467993357005987E-9 1.859045895207072E-9 4.477504185992052E-11
i -4.077511807503719E-15 1.176357177283022E-14 2.684289938310565E-12 -4.452522863286388E-11 4.477504185992052E-11 3.838661289268183E-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 16.5   n/a MPO437680  

434230 (2003 SD278)          Discovered 2003-Sep-30 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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