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18589 (1997 YL10)
Classification: Main-belt Asteroid          SPK-ID: 2018589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291597418115818 4.2782e-08  
a 2.24672404073693 9.1594e-09 au
q 1.956537743713474 9.4827e-08 au
i 3.190630021686488 4.2504e-06 deg
node 27.74322710849886 8.2715e-05 deg
peri 357.2124941992909 8.4682e-05 deg
M 308.6902533971502 1.9471e-05 deg
tp 2459175.815532281584
(2020-Nov-22.31553228)
6.7007e-05 TDB
period 1230.050736946436
3.37
7.522e-06
2.059e-08
d
yr
n .292670854288246 1.7897e-09 deg/d
Q 2.536910337760385 1.0342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1331  
   data-arc span      9400 days (25.74 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:37:14  

Additional Information
 Earth MOID = .960298 au 
 Jupiter MOID = 2.90415 au 
 T_jup = 3.617 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO474012  
diameter diameter 2.235 km 0.640 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18589 (1997 YL10)          Discovered 1997-Dec-28 by Kobayashi, T. at Oizumi
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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