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295603 (2008 SW176)
Classification: Main-belt Asteroid          SPK-ID: 2295603
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321561061484439 5.0809e-08  
a 2.242568045145572 1.4435e-08 au
q 1.946198984526205 1.14e-07 au
i 4.698974921335288 5.2293e-06 deg
node 117.1943928146326 7.4496e-05 deg
peri 295.1551786641985 7.7907e-05 deg
M 141.5178718956508 2.225e-05 deg
tp 2458518.301717118940
(2019-Feb-03.80171712)
7.4372e-05 TDB
period 1226.639289525074
3.36
1.1844e-05
3.243e-08
d
yr
n .2934848109580639 2.8337e-09 deg/d
Q 2.538937105764938 1.6343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      5233 days (14.33 yr)  
   first obs. used      2005-12-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:43:34  

Additional Information
 Earth MOID = .962854 au 
 Jupiter MOID = 2.78422 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457576.5 (2016-Jul-07.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311660035456643 5.0692e-08  
q 1.94913134720361 1.1358e-07 au
tp 2457290.795454644886
(2015-Sep-25.29545465)
7.2898e-05 TDB
node 117.2493589756827 7.4481e-05 deg
peri 295.0732105929984 7.7964e-05 deg
i 4.698789430726248 5.2297e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      5233 days (14.33 yr)  
   first obs. used      2005-12-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 18:43:34  

Additional Information
 Jupiter MOID = 2.78422 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.569675273734719E-15 -5.722569865664993E-15 -7.492999716905623E-13 -1.524430224037123E-15 -2.417058480887901E-13 -1.919668267243279E-15
q -5.722569865664993E-15 1.290091323314403E-14 1.792464932107294E-12 4.210966680464524E-15 5.798938105000683E-13 4.599926409773965E-15
tp -7.492999716905623E-13 1.792464932107294E-12 5.314163556176935E-9 -4.481408194768964E-11 1.71374573566949E-9 3.427852093513922E-13
node -1.524430224037123E-15 4.210966680464524E-15 -4.481408194768964E-11 5.54735397860083E-9 -5.542669853436828E-9 5.124836053243263E-11
peri -2.417058480887901E-13 5.798938105000683E-13 1.71374573566949E-9 -5.542669853436828E-9 6.078409670532529E-9 -5.093960065363258E-11
i -1.919668267243279E-15 4.599926409773965E-15 3.427852093513922E-13 5.124836053243263E-11 -5.093960065363258E-11 2.734968308711E-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 17.6   n/a MPO455185  

295603 (2008 SW176)          Discovered 2008-Sep-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 SW176 = 2005 YL238 = 2007 HQ82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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