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308466 (2005 SN289)
Classification: Main-belt Asteroid          SPK-ID: 2308466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1475775368807432 9.2822e-08  
a 3.125443035073869 4.9404e-08 au
q 2.664197850296594 3.0193e-07 au
i 11.94548820216356 6.9975e-06 deg
node 297.63332035 4.1334e-05 deg
peri 69.74458804951573 4.933e-05 deg
M 233.7124586036906 2.487e-05 deg
tp 2459708.484608240132
(2022-May-08.98460824)
0.00014638 TDB
period 2018.207466456353
5.53
4.7852e-05
1.31e-07
d
yr
n .1783761114669256 4.2294e-09 deg/d
Q 3.586688219851145 5.6694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2000-12-01  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:36:18  

Additional Information
 Earth MOID = 1.69101 au 
 Jupiter MOID = 1.99297 au 
 T_jup = 3.165 
[ show covariance matrix ]

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 15.6   n/a MPO433984  
diameter diameter 3.634 km 1.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

308466 (2005 SN289)          Discovered 2005-Sep-26 by NEAT at Palomar
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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