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379238 (2009 SC280)
Classification: Main-belt Asteroid          SPK-ID: 2379238
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511329884389068 1.8132e-07  
a 2.441450915819607 4.0167e-08 au
q 2.072467142784884 4.2859e-07 au
i 7.258560329124744 1.7384e-05 deg
node 39.79971119832068 5.1326e-05 deg
peri 358.7938596115069 5.8265e-05 deg
M 270.5349519938424 3.831e-05 deg
tp 2459346.775146397578
(2021-May-12.27514640)
0.00015566 TDB
period 1393.382728577401
3.81
3.4386e-05
9.414e-08
d
yr
n .2583640464436849 6.376e-09 deg/d
Q 2.81043468885433 4.6238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4985 days (13.65 yr)  
   first obs. used      2005-08-31  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:40:45  

Additional Information
 Earth MOID = 1.08013 au 
 Jupiter MOID = 2.60483 au 
 T_jup = 3.475 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457421.5 (2016-Feb-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526771565377983 1.816e-07  
q 2.066838229468106 4.3018e-07 au
tp 2457954.965375523358
(2017-Jul-20.46537552)
0.00012619 TDB
node 39.85650700715572 5.1247e-05 deg
peri 358.9751686171481 5.8068e-05 deg
i 7.267327884835512 1.7402e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      4985 days (13.65 yr)  
   first obs. used      2005-08-31  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64033  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:40:45  

Additional Information
 Jupiter MOID = 2.60483 au 
 T_jup = 3.475 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.29801009063866E-14 -7.793397370095412E-14 5.284928507101436E-12 1.944497786964403E-13 -4.243375263362112E-14 -4.717600016376332E-14
q -7.793397370095412E-14 1.850557957910163E-13 -9.555108860634405E-12 -4.597592268323507E-13 6.972217537541502E-13 1.140291545682489E-13
tp 5.284928507101436E-12 -9.555108860634405E-12 1.592327204072531E-8 1.970976822162791E-11 3.356001116231899E-9 7.642118872551659E-13
node 1.944497786964403E-13 -4.597592268323507E-13 1.970976822162791E-11 2.626231162214898E-9 -2.60601050517562E-9 -3.948686467315059E-10
peri -4.243375263362112E-14 6.972217537541502E-13 3.356001116231899E-9 -2.60601050517562E-9 3.371860779673406E-9 3.931997976594908E-10
i -4.717600016376332E-14 1.140291545682489E-13 7.642118872551659E-13 -3.948686467315059E-10 3.931997976594908E-10 3.028430953481353E-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 17.4   n/a MPO471888  

379238 (2009 SC280)          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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