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469798 (2005 SL12)
Classification: Main-belt Asteroid          SPK-ID: 2469798
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181927408418015 5.9821e-08  
a 2.406017440013659 1.2978e-08 au
q 1.881041900263904 1.4132e-07 au
i 3.964694993980862 5.4549e-06 deg
node 306.8824834263824 0.00010534 deg
peri 43.79012840234695 0.00010627 deg
M 346.9418189475051 1.1523e-05 deg
tp 2459049.945499491328
(2020-Jul-19.44549949)
4.3691e-05 TDB
period 1363.159213777088
3.73
1.103e-05
3.02e-08
d
yr
n .264092408547421 2.1368e-09 deg/d
Q 2.930992979763414 1.581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5543 days (15.18 yr)  
   first obs. used      2005-09-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:34:55  

Additional Information
 Earth MOID = .877343 au 
 Jupiter MOID = 2.50924 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458235.5 (2018-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190271420428102 5.9721e-08  
q 1.878371304770576 1.4121e-07 au
tp 2457687.799761098809
(2016-Oct-26.29976110)
4.3266e-05 TDB
node 306.9239163329915 0.00010543 deg
peri 43.9388244749742 0.00010636 deg
i 3.963530308183824 5.454e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      5543 days (15.18 yr)  
   first obs. used      2005-09-11  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57755  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:34:55  

Additional Information
 Jupiter MOID = 2.50924 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.566589534876163E-15 -8.413311849174543E-15 5.388997752657416E-13 2.866506183018538E-14 9.014475250246028E-14 -7.232171124109653E-15
q -8.413311849174543E-15 1.993982859766346E-14 -1.346312136447502E-12 -6.54472355741757E-14 -2.268766086569692E-13 1.714218392876593E-14
tp 5.388997752657416E-13 -1.346312136447502E-12 1.871938344740538E-9 -3.412528732231209E-11 6.599718414152087E-10 -4.701137631530356E-12
node 2.866506183018538E-14 -6.54472355741757E-14 -3.412528732231209E-11 1.111595477992708E-8 -1.110037208737981E-8 3.127656620532406E-10
peri 9.014475250246028E-14 -2.268766086569692E-13 6.599718414152087E-10 -1.110037208737981E-8 1.131193750797415E-8 -3.133952957666694E-10
i -7.232171124109653E-15 1.714218392876593E-14 -4.701137631530356E-12 3.127656620532406E-10 -3.133952957666694E-10 2.974635357981572E-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 17.4   n/a MPO437770  

469798 (2005 SL12)          Discovered 2005-Sep-11 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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