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20813 Aakashshah (2000 SB274)
Classification: Main-belt Asteroid          SPK-ID: 2020813
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1126620247508626 3.6039e-08  
a 2.675056361535414 1.0934e-08 au
q 2.373679095522159 9.2904e-08 au
i 2.993372375787846 4.2232e-06 deg
node 196.4720466981393 6.299e-05 deg
peri 307.2495040304503 6.5501e-05 deg
M 75.92011090236366 1.8288e-05 deg
tp 2458663.482723216329
(2019-Jun-28.98272322)
8.046e-05 TDB
period 1598.077481711691
4.38
9.798e-06
2.683e-08
d
yr
n .2252706793755745 1.3812e-09 deg/d
Q 2.976433627548669 1.2166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1767  
   data-arc span      16208 days (44.38 yr)  
   first obs. used      1976-04-04  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:31  

Additional Information
 Earth MOID = 1.38738 au 
 Jupiter MOID = 2.03775 au 
 T_jup = 3.368 
[ 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 14.2   n/a MPO337434  
diameter diameter 4.430 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.821 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.226   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20813 Aakashshah           Discovered 2000 Sept. 28 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Aakash Shah (b. 1988) was awarded second place in the 2004 Intel International Science and Engineering Fair for his environmental science project. He attends the Academy for Medical Science Technology, Hackensack, New Jersey, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 2000 SB274 = 1976 GB7 = 1998 HV51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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