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20616 Zeeshansayed (1999 SH6)
Classification: Main-belt Asteroid          SPK-ID: 2020616
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09362972142657021 2.8864e-08  
a 2.234172270157233 6.0323e-09 au
q 2.024987342883443 6.5e-08 au
i 8.17087236444357 3.2532e-06 deg
node 121.0572739917204 2.2933e-05 deg
peri 112.7263729186895 2.9136e-05 deg
M 243.662538867084 1.8821e-05 deg
tp 2459594.676286474751
(2022-Jan-15.17628647)
6.4286e-05 TDB
period 1219.757262613675
3.34
4.9401e-06
1.353e-08
d
yr
n .2951406899013646 1.1953e-09 deg/d
Q 2.443357197431022 6.5972e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2003  
   data-arc span      12050 days (32.99 yr)  
   first obs. used      1988-03-17  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47907  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:25:03  

Additional Information
 Earth MOID = 1.02765 au 
 Jupiter MOID = 2.57471 au 
 T_jup = 3.621 
[ 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 14.6   n/a MPO449103  

20616 Zeeshansayed           Discovered 1999 Sept. 30 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Zeeshan Sayed (b. 1989) was awarded second place in the 2004 Intel International Science and Engineering Fair for his biochemistry team project. He attends the Shree Baldevdas Kikani Vidyamandir Matriculation Higher Secondary School, Coimbatore, Tamil Nadu, India.
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
 1999 SH6 = 1988 FN3 = 1998 FG92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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