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180018 (2003 AU8)
Classification: Main-belt Asteroid          SPK-ID: 2180018
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .201957054564583 3.7423e-08  
a 2.687453922441898 1.7233e-08 au
q 2.144703643987497 1.0423e-07 au
i 27.76400417468427 6.4318e-06 deg
node 158.1336640515738 8.7516e-06 deg
peri 251.7354375665416 1.817e-05 deg
M 53.41730002732061 1.5391e-05 deg
tp 2458961.724700105307
(2020-Apr-22.22470011)		 6.8117e-05 TDB
period 1609.19978954618
4.41		 1.5478e-05
4.238e-08		 d
yr
n .2237136757900806 2.1518e-09 deg/d
Q 3.230204200896299 2.0713e-08 au
   Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      8014 days (21.94 yr)  
   first obs. used      1999-02-12  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52448  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:42:29  

Additional Information
 Earth MOID = 1.2811 au 
 Jupiter MOID = 2.52778 au 
 T_jup = 3.182 
[ 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 15.4   n/a MPO449915  
diameter diameter 4.757 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180018 (2003 AU8)          Discovered 2003-Jan-03 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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