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JPL Small-Body Database Browser
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100511 (1997 AY18)
Classification: Main-belt Asteroid          SPK-ID: 2100511
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020300744773144 5.5599e-08  
a 2.97159219450376 2.8379e-08 au
q 2.668400421582335 1.764e-07 au
i 11.61855026450968 4.6716e-06 deg
node 136.1490167203531 3.03e-05 deg
peri 202.8157554537302 4.3688e-05 deg
M 345.9262904145066 3.0937e-05 deg
tp 2459073.645619837686
(2020-Aug-12.14561984)		 0.00016095 TDB
period 1871.036415921878
5.12		 2.6803e-05
7.338e-08		 d
yr
n .1924067308025239 2.7562e-09 deg/d
Q 3.274783967425184 3.1274e-08 au
   Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:07:07  

Additional Information
 Earth MOID = 1.66234 au 
 Jupiter MOID = 2.08738 au 
 T_jup = 3.224 
[ 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 MPO436468  
diameter diameter 3.413 km 0.711 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100511 (1997 AY18)          Discovered 1997-Jan-10 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 AY18 = 2001 YP107 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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