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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164994794078988 3.9815e-08  
a 2.14705060258777 9.3072e-09 au
q 1.682215264865102 8.86e-08 au
i 5.428905969680246 4.354e-06 deg
node 186.625241039589 2.8765e-05 deg
peri 156.7607241746855 3.0163e-05 deg
M 75.97198595054304 6.8627e-06 deg
tp 2459153.999395441105
(2020-Oct-31.49939544)
2.1916e-05 TDB
period 1149.110643205162
3.15
7.4719e-06
2.046e-08
d
yr
n .313285758972581 2.0371e-09 deg/d
Q 2.611885940310437 1.1322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1503  
   data-arc span      10340 days (28.31 yr)  
   first obs. used      1992-10-21  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:38:59  

Additional Information
 Earth MOID = .675644 au 
 Jupiter MOID = 2.80756 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 15.51   n/a E2021B10  
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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