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90423 (2003 YH149)
Classification: Main-belt Asteroid          SPK-ID: 2090423
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0696807841651679 4.9031e-08  
a 2.665952995192841 1.8663e-08 au
q 2.480187299940326 1.2837e-07 au
i 15.69107542933341 5.7653e-06 deg
node 62.58306736434692 2.2687e-05 deg
peri 187.3034524840377 5.2433e-05 deg
M 140.9626435503502 4.751e-05 deg
tp 2458377.943612172014
(2018-Sep-16.44361217)
0.00020978 TDB
period 1589.926905265663
4.35
1.6695e-05
4.571e-08
d
yr
n .2264255034666812 2.3776e-09 deg/d
Q 2.851718690445356 1.9963e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1998-12-08  
   last obs. used      2019-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55297  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:41:19  

Additional Information
 Earth MOID = 1.46721 au 
 Jupiter MOID = 2.16817 au 
 T_jup = 3.327 
[ 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 15.1   n/a MPO449556  
diameter diameter 2.976 km 0.319 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90423 (2003 YH149)          Discovered 2003-Dec-29 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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