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187616 (2007 AK17)
Classification: Main-belt Asteroid          SPK-ID: 2187616
[ 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703872806802589 1.0149e-07  
a 3.169830089541015 4.1537e-08 au
q 2.62973136036566 3.0011e-07 au
i 11.54313833846633 5.5136e-06 deg
node 118.3675444078563 4.4839e-05 deg
peri 39.45503204885159 5.0814e-05 deg
M 144.5584968542223 2.5763e-05 deg
tp 2458372.760795672022
(2018-Sep-11.26079567)		 0.00014363 TDB
period 2061.353154900131
5.64		 4.0517e-05
1.109e-07		 d
yr
n .1746425638635614 3.4327e-09 deg/d
Q 3.70992881871637 4.8614e-08 au
   Orbit Determination Parameters
   # obs. used (total)      245  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2002-03-12  
   last obs. used      2019-07-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:09  

Additional Information
 Earth MOID = 1.6517 au 
 Jupiter MOID = 1.36538 au 
 T_jup = 3.149 
[ 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 MPO433235  
diameter diameter 6.188 km 1.879 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

187616 (2007 AK17)          Discovered 2007-Jan-15 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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