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23922 Tawadros (1998 SR135)
Classification: Main-belt Asteroid          SPK-ID: 2023922
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583245359890075 8.0015e-08  
a 3.107111846821076 4.2919e-08 AU
q 2.615179805407181 2.4991e-07 AU
i 3.950768346547862 6.8646e-06 deg
node 96.35368007400601 0.00012915 deg
peri 251.6044956274399 0.00013161 deg
M 332.085990871977 2.7632e-05 deg
tp 2456955.614884054871
(2014-Oct-25.11488405)
0.00015506 JED
period 2000.477896372618
5.48
4.1449e-05
1.135e-07
d
yr
n .1799569996013316 3.7287e-09 deg/d
Q 3.599043888234971 4.9714e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1991-05-14  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59432  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:51:03  

Additional Information
 Earth MOID = 1.61063 AU 
 T_jup = 3.197 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1 mag n/a MPO263557  

23922 Tawadros           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Kyrillos Bahaa Tawadros (b. 1993) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his earth and space science project. He attends the Doolen Middle School, Tucson, Arizona.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20071026/MPCPages.arcLast Updated: 2007-10-28

[ show close-approach data ]
Alternate Designations
 1998 SR135 = 1999 XB219 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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