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173485 (2000 SG109)
Classification: Main-belt Asteroid          SPK-ID: 2173485
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1996841393967158 7.4374e-08  
a 2.186318247793427 1.1109e-08 au
q 1.749745170035461 1.654e-07 au
i 3.089974051797577 7.8493e-06 deg
node 6.572902007801431 8.9441e-05 deg
peri 330.0815047206722 9.0033e-05 deg
M 53.99917320127188 1.0773e-05 deg
tp 2458823.385912604573
(2019-Dec-05.88591260)
3.5012e-05 TDB
period 1180.778661641656
3.23
8.9994e-06
2.464e-08
d
yr
n .3048835583626538 2.3237e-09 deg/d
Q 2.622891325551393 1.3327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      6927 days (18.97 yr)  
   first obs. used      1999-03-21  
   last obs. used      2018-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55718  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:29:37  

Additional Information
 Earth MOID = .741262 au 
 Jupiter MOID = 2.75482 au 
 T_jup = 3.648 
[ 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 17.2   n/a MPO436861  
diameter diameter 2.138 km 0.530 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.046   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

173485 (2000 SG109)          Discovered 2000-Sep-24 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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