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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020300795744275 5.4699e-08  
a 2.971592187846828 2.5959e-08 au
q 2.668400400458069 1.7184e-07 au
i 11.61854982732599 4.6565e-06 deg
node 136.1490213190444 2.8581e-05 deg
peri 202.8157472092813 4.2137e-05 deg
M 345.9262960705703 2.934e-05 deg
tp 2459073.645590195504
(2020-Aug-12.14559020)		 0.00015252 TDB
period 1871.036409634662
5.12		 2.4517e-05
6.712e-08		 d
yr
n .1924067314490654 2.5212e-09 deg/d
Q 3.274783975235587 2.8608e-08 au
   Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8612 days (23.58 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53362  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:19  

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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