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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015859800548625 5.2073e-08  
a 2.970141381311556 2.0277e-08 au
q 2.668416658189519 1.5937e-07 au
i 11.61977484045868 4.3956e-06 deg
node 136.1515459319288 2.2594e-05 deg
peri 202.8442026402423 3.7582e-05 deg
M 24.40106952090042 2.6524e-05 deg
tp 2459073.772615314719
(2020-Aug-12.27261531)
0.00013817 TDB
period 1869.666345879811
5.12
1.9147e-05
5.242e-08
d
yr
n .1925477242468064 1.9718e-09 deg/d
Q 3.271866104433594 2.2337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      713  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1997-01-02  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:30  

Additional Information
 Earth MOID = 1.66047 au 
 Jupiter MOID = 2.09012 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 15.02   n/a E2021B55  
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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