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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321561113107474 5.0562e-08  
a 2.24256804351413 1.4347e-08 au
q 1.946198971533551 1.133e-07 au
i 4.698974689809011 5.1083e-06 deg
node 117.1943928272473 7.4492e-05 deg
peri 295.1551825551891 7.7801e-05 deg
M 141.5178693485086 2.2108e-05 deg
tp 2458518.301726324088
(2019-Feb-03.80172632)		 7.3815e-05 TDB
period 1226.639288186525
3.36		 1.1771e-05
3.223e-08		 d
yr
n .293484811278324 2.8164e-09 deg/d
Q 2.538937115494708 1.6243e-08 au
   Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5252 days (14.38 yr)  
   first obs. used      2005-12-29  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:47  

Additional Information
 Earth MOID = .962854 au 
 Jupiter MOID = 2.78422 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457636.5 (2016-Sep-05.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311965320942152 5.0445e-08  
q 1.949269948636181 1.1289e-07 au
tp 2457290.928578500186
(2015-Sep-25.42857850)		 7.2121e-05 TDB
node 117.245478699887 7.4486e-05 deg
peri 295.1247394578084 7.7862e-05 deg
i 4.6984474105023 5.1081e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      5252 days (14.38 yr)  
   first obs. used      2005-12-29  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:47  

Additional Information
 Jupiter MOID = 2.78422 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.544696556213866E-15 -5.660186488208054E-15 -8.012946272859684E-13 -1.016539508248995E-15 -2.613383872219763E-13 -1.61719430227252E-15
q -5.660186488208054E-15 1.274495044362768E-14 1.922217290546128E-12 3.013407966935093E-15 6.288330666111026E-13 3.894452435782485E-15
tp -8.012946272859684E-13 1.922217290546128E-12 5.201407174226483E-9 -4.298315069036728E-11 1.670189761157113E-9 -7.237730620012347E-14
node -1.016539508248995E-15 3.013407966935093E-15 -4.298315069036728E-11 5.548163238175667E-9 -5.542830928729999E-9 5.203850420212231E-11
peri -2.613383872219763E-13 6.288330666111026E-13 1.670189761157113E-9 -5.542830928729999E-9 6.062493326975809E-9 -5.186488653672875E-11
i -1.61719430227252E-15 3.894452435782485E-15 -7.237730620012347E-14 5.203850420212231E-11 -5.186488653672875E-11 2.609310115122478E-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

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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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