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187040 (2005 JS108)
Classification: Apollo [NEO, PHA]          SPK-ID: 2187040
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3225107029382411 2.7595e-08  
a 1.356143939595397 2.0985e-09 au
q .9187730043510501 3.7477e-08 au
i 6.040631462524432 3.6117e-06 deg
node 110.8631108247535 3.5767e-05 deg
peri 243.8829802807543 3.6602e-05 deg
M 234.8130040090854 1.3439e-05 deg
tp 2459401.092100224667
(2021-Jul-05.59210022)		 2.1885e-05 TDB
period 576.8423110505902
1.58		 1.3389e-06
3.666e-09		 d
yr
n .6240873685987769 1.4486e-09 deg/d
Q 1.793514874839745 2.7753e-09 au
   Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      6256 days (17.13 yr)  
   first obs. used      2002-12-07  
   last obs. used      2020-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:46  

Additional Information
 Earth MOID = .0183637 au 
 Jupiter MOID = 3.65206 au 
 T_jup = 4.798 
[ 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 19.1   n/a MPO470018  
diameter diameter 0.430 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.199   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

187040 (2005 JS108)          Discovered 2005-May-14 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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