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190840 (2001 SA105)
Classification: Main-belt Asteroid          SPK-ID: 2190840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1810751766364833 4e-08  
a 2.315508550901464 9.6349e-09 au
q 1.896227431043694 9.3089e-08 au
i 6.143205696383277 4.9706e-06 deg
node 240.7119303337492 4.5937e-05 deg
peri 178.7790282854903 4.7965e-05 deg
M 128.8443948717476 1.5533e-05 deg
tp 2458739.892463182476
(2019-Sep-13.39246318)
5.4256e-05 TDB
period 1286.968776712137
3.52
8.0327e-06
2.199e-08
d
yr
n .2797270660440607 1.7459e-09 deg/d
Q 2.734789670759234 1.138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      7175 days (19.64 yr)  
   first obs. used      2001-08-28  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:25  

Additional Information
 Earth MOID = .908068 au 
 Jupiter MOID = 2.59704 au 
 T_jup = 3.552 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457057.5 (2015-Feb-04.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1799965047628558 3.992e-08  
q 1.899449464269578 9.2848e-08 au
tp 2457451.003709055985
(2016-Mar-03.50370906)
5.2005e-05 TDB
node 240.7803243744975 4.6022e-05 deg
peri 178.4604617859643 4.8079e-05 deg
i 6.135407125978995 4.9675e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      7175 days (19.64 yr)  
   first obs. used      2001-08-28  
   last obs. used      2021-04-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56365  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:18:25  

Additional Information
 Jupiter MOID = 2.59704 au 
 T_jup = 3.552 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.593602214100709E-15 -3.693042076826635E-15 -7.567470058976883E-13 6.269912050645507E-15 -2.050523976584019E-13 -2.936605089418433E-15
q -3.693042076826635E-15 8.620791939700674E-15 1.873606922969364E-12 -1.5101586929864E-14 5.019312602383262E-13 7.167123666569282E-15
tp -7.567470058976883E-13 1.873606922969364E-12 2.704505310923116E-9 2.904227509591052E-11 7.482622271461661E-10 2.701173574814565E-12
node 6.269912050645507E-15 -1.5101586929864E-14 2.904227509591052E-11 2.117993374963573E-9 -2.096941312998137E-9 -9.724306532863111E-11
peri -2.050523976584019E-13 5.019312602383262E-13 7.482622271461661E-10 -2.096941312998137E-9 2.31163310851808E-9 9.73643571135684E-11
i -2.936605089418433E-15 7.167123666569282E-15 2.701173574814565E-12 -9.724306532863111E-11 9.73643571135684E-11 2.467611885940698E-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 16.56   n/a E2021B55  

190840 (2001 SA105)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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