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90189 (2003 AS40)
Classification: Main-belt Asteroid          SPK-ID: 2090189
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2167473981905759 4.0912e-08  
a 2.147424242923111 9.8224e-09 au
q 1.681975625458159 9.0928e-08 au
i 5.428246836479558 4.5263e-06 deg
node 186.6401897962794 2.9495e-05 deg
peri 156.7381267715778 3.0995e-05 deg
M 311.9286003111588 7.156e-06 deg
tp 2459153.982714393249
(2020-Oct-31.48271439)
2.2784e-05 TDB
period 1149.410617107447
3.15
7.8861e-06
2.159e-08
d
yr
n .3132039974591143 2.1489e-09 deg/d
Q 2.612872860388062 1.1951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1341  
   data-arc span      10151 days (27.79 yr)  
   first obs. used      1992-10-21  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:12:00  

Additional Information
 Earth MOID = .676216 au 
 Jupiter MOID = 2.80621 au 
 T_jup = 3.672 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO366263  
diameter diameter 2.055 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.381   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90189 (2003 AS40)          Discovered 2003-Jan-07 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 2003 AS40 = 1992 UJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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