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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290479941888825 3.7902e-08  
a 2.246286862862652 5.3523e-09 au
q 1.95640804883739 8.5957e-08 au
i 3.190840726781478 3.8786e-06 deg
node 27.7386764995061 5.1847e-05 deg
peri 357.2956431654357 5.3627e-05 deg
M 7.165437374142725 1.2319e-05 deg
tp 2459176.024224754884
(2020-Nov-22.52422475)
4.2087e-05 TDB
period 1229.691731036283
3.37
4.3951e-06
1.203e-08
d
yr
n .2927562989275543 1.0463e-09 deg/d
Q 2.536165676887915 6.043e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2020  
   data-arc span      10066 days (27.56 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:32:29  

Additional Information
 Earth MOID = .958901 au 
 Jupiter MOID = 2.90552 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 14.91   n/a E2021B10  
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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