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379236 (2009 SN276)
Classification: Main-belt Asteroid          SPK-ID: 2379236
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820120713560003 8.4454e-08  
a 2.418695432700146 1.9459e-08 au
q 1.978463667015095 2.0785e-07 au
i 4.382416852923746 5.2186e-06 deg
node 34.82730553648548 0.00011737 deg
peri 267.0956522447473 0.00012244 deg
M 350.7558046738481 2.5615e-05 deg
tp 2459035.780669367219
(2020-Jul-05.28066937)
9.7515e-05 TDB
period 1373.947707083548
3.76
1.6581e-05
4.54e-08
d
yr
n .2620187057658585 3.162e-09 deg/d
Q 2.858927198385196 2.3001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      9500 days (26.01 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:05:49  

Additional Information
 Earth MOID = .969072 au 
 Jupiter MOID = 2.37962 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458327.5 (2018-Jul-28.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815826170955721 8.4509e-08  
q 1.978914395102499 2.0786e-07 au
tp 2457662.954479473324
(2016-Oct-01.45447947)
0.00010833 TDB
node 34.84545227064721 0.00011732 deg
peri 267.2048406477642 0.00012241 deg
i 4.383501089898871 5.2192e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      9500 days (26.01 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:05:49  

Additional Information
 Jupiter MOID = 2.37962 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.141731523241714E-15 -1.751489537599453E-14 3.81718039449028E-12 3.445468565228586E-14 1.13104256370075E-12 -3.152575226486675E-14
q -1.751489537599453E-14 4.32040143656454E-14 -1.041197478840569E-11 -6.801562557113297E-14 -3.105786060674017E-12 7.806742568957446E-14
tp 3.81718039449028E-12 -1.041197478840569E-11 1.173562409267528E-8 -7.109394397156463E-11 3.864980199773905E-9 -2.339582141833949E-11
node 3.445468565228586E-14 -6.801562557113297E-14 -7.109394397156463E-11 1.376402690383424E-8 -1.374832451452477E-8 -2.340326622394166E-10
peri 1.13104256370075E-12 -3.105786060674017E-12 3.864980199773905E-9 -1.374832451452477E-8 1.498423284017425E-8 2.261231090437227E-10
i -3.152575226486675E-14 7.806742568957446E-14 -2.339582141833949E-11 -2.340326622394166E-10 2.261231090437227E-10 2.724035237289481E-11

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 17.9   n/a MPO471888  

379236 (2009 SN276)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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