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31926 Alhamood (2000 GW76)
Classification: Main-belt Asteroid          SPK-ID: 2031926
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09767529070357783 4.3674e-08  
a 2.72730999011659 1.186e-08 au
q 2.460919193993181 1.1937e-07 au
i 4.374360728491939 4.8215e-06 deg
node 217.3302365174363 4.798e-05 deg
peri 326.2739974751169 5.1842e-05 deg
M 194.3486314578753 2.1818e-05 deg
tp 2459757.494474096853
(2022-Jun-26.99447410)
0.00010169 TDB
period 1645.129847542228
4.50
1.0731e-05
2.938e-08
d
yr
n .2188277117078805 1.4273e-09 deg/d
Q 2.99370078624 1.3018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1319  
   data-arc span      9379 days (25.68 yr)  
   first obs. used      1995-02-25  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:58:23  

Additional Information
 Earth MOID = 1.46409 au 
 Jupiter MOID = 1.97583 au 
 T_jup = 3.345 
[ 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 14.3   n/a MPO493074  
diameter diameter 4.004 km 0.588 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.277   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31926 Alhamood           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Abdul Jabbar Abdulrazaq Alhamood (b. 1996) was awarded best of category award and first place in the 2015 Intel ISEF for his plant sciences project. He also received the Dudley R. Hershbach SIYSS Award. He attends the Dhahran Schools, Dhahran, Saudi Arabia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-11-25Last Updated: 2015-11-30

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