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382772 (2003 SM50)
Classification: Main-belt Asteroid          SPK-ID: 2382772
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2280215144786195 6.1564e-08  
a 2.750526304904614 2.4958e-08 au
q 2.123347131246983 1.6738e-07 au
i 6.553345689586655 5.266e-06 deg
node 303.2644488877049 7.0981e-05 deg
peri 128.7933396515564 7.2431e-05 deg
M 183.261384145791 1.4799e-05 deg
tp 2459818.495811002644
(2022-Aug-26.99581100)
7.2236e-05 TDB
period 1666.180820403539
4.56
2.2678e-05
6.209e-08
d
yr
n .2160629840360365 2.9407e-09 deg/d
Q 3.377705478562246 3.0648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      5704 days (15.62 yr)  
   first obs. used      2003-09-18  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:37:20  

Additional Information
 Earth MOID = 1.14541 au 
 Jupiter MOID = 1.93845 au 
 T_jup = 3.298 
[ 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 16.4   n/a MPO434373  
diameter diameter 3.152 km 0.585 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382772 (2003 SM50)          Discovered 2003-Sep-18 by NEAT at Palomar
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2003 SM50 = 2008 UF231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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