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308396 (2005 SF48)
Classification: Main-belt Asteroid          SPK-ID: 2308396
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1376408116773062 1.185e-07  
a 3.137264016060976 4.3522e-08 au
q 2.705448450444337 3.8829e-07 au
i 3.543796626572781 1.1543e-05 deg
node 336.3491531886189 0.00016908 deg
peri 13.05556304870663 0.0001714 deg
M 250.9549904963489 2.9026e-05 deg
tp 2459615.292163554475
(2022-Feb-04.79216355)
0.00016626 TDB
period 2029.668114909932
5.56
4.2236e-05
1.156e-07
d
yr
n .1773688995533023 3.6909e-09 deg/d
Q 3.569079581677614 4.9513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7556 days (20.69 yr)  
   first obs. used      1999-08-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:57  

Additional Information
 Earth MOID = 1.69929 au 
 Jupiter MOID = 1.85117 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369370365106966 1.1878e-07  
q 2.709231833622221 3.8931e-07 au
tp 2457587.805856219575
(2016-Jul-18.30585622)
0.0001613 TDB
node 336.3723094184826 0.00016908 deg
peri 13.53822218992516 0.00017139 deg
i 3.542973790521841 1.1541e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      7556 days (20.69 yr)  
   first obs. used      1999-08-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:11:57  

Additional Information
 Jupiter MOID = 1.85117 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.410985436884588E-14 -4.606045604140803E-14 1.012441634695811E-11 1.268716617779415E-13 1.678108603788517E-12 -2.995024783892005E-15
q -4.606045604140803E-14 1.515632098625465E-13 -3.186453884421171E-11 -3.879067171110921E-13 -5.320126302343398E-12 1.31527498511081E-14
tp 1.012441634695811E-11 -3.186453884421171E-11 2.60163216919691E-8 9.610560535004865E-11 4.746108228719329E-9 -1.89326233920007E-12
node 1.268716617779415E-13 -3.879067171110921E-13 9.610560535004865E-11 2.858897498764663E-8 -2.851528114896089E-8 1.369953265201579E-9
peri 1.678108603788517E-12 -5.320126302343398E-12 4.746108228719329E-9 -2.851528114896089E-8 2.937610303264479E-8 -1.367624845973462E-9
i -2.995024783892005E-15 1.31527498511081E-14 -1.89326233920007E-12 1.369953265201579E-9 -1.367624845973462E-9 1.331983397132215E-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 16.3   n/a MPO433983  

308396 (2005 SF48)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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