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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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583245831977691 8.6738e-08  
a 3.107111868562625 5.1196e-08 AU
q 2.615179677023606 2.6573e-07 AU
i 3.950776362311506 7.2636e-06 deg
node 96.3535998384984 0.00013632 deg
peri 251.6046323600597 0.00013958 deg
M 332.0859325085229 3.4171e-05 deg
tp 2456955.615210001853
(2014-Oct-25.11521000)
0.0001923 JED
period 2000.477917369685
5.48
4.9443e-05
1.354e-07
d
yr
n .1799569977124985 4.4477e-09 deg/d
Q 3.599044060101644 5.9302e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8057 days (22.06 yr)  
   first obs. used      1991-05-14  
   last obs. used      2013-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59909  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 20:29:51  

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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