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23975 Akran (1999 CU81)
Classification: Main-belt Asteroid          SPK-ID: 2023975
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129609001543237 3.68e-08  
a 2.356159961109042 1.0788e-08 au
q 2.050780421073547 8.5836e-08 au
i 4.388723051262991 3.7574e-06 deg
node 256.2211304056356 5.3399e-05 deg
peri 83.51693779751058 5.5523e-05 deg
M 139.4848011514228 1.709e-05 deg
tp 2458488.665010667137
(2019-Jan-05.16501067)
6.1236e-05 TDB
period 1321.008415531953
3.62
9.073e-06
2.484e-08
d
yr
n .2725190814587146 1.8717e-09 deg/d
Q 2.661539501144537 1.2187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      8942 days (24.48 yr)  
   first obs. used      1996-05-20  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:45:46  

Additional Information
 Earth MOID = 1.04757 au 
 Jupiter MOID = 2.69808 au 
 T_jup = 3.539 
[ 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 14.7   n/a MPO452506  

23975 Akran           Discovered 1999 Feb. 12 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Erkan Akran mentored a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. He teaches at the Lisa Academy, Little Rock, Arkansas.
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 ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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