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23924 Premt (1998 SX140)
Classification: Main-belt Asteroid          SPK-ID: 2023924
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762825838784599 5.3099e-08  
a 2.402829206280132 1.6886e-08 au
q 1.979252265178441 1.313e-07 au
i 1.836612005364712 5.7307e-06 deg
node 342.8441177406343 0.00017014 deg
peri 270.7666092011954 0.00017096 deg
M 343.5875215421971 1.9342e-05 deg
tp 2457462.523239856335
(2016-Mar-15.02323986)
7.334e-05 JED
period 1360.450611142478
3.72
1.4341e-05
3.926e-08
d
yr
n .2646182059469835 2.7895e-09 deg/d
Q 2.826406147381822 1.9863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      23098 days (63.24 yr)  
   first obs. used      1952-02-01  
   last obs. used      2015-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50585  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:46:18  

Additional Information
 Earth MOID = .96455 au 
 Jupiter MOID = 2.21916 au 
 T_jup = 3.503 
[ 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 14.5 mag n/a MPO319382  
rotation period rot_per 5.1943 h n/a LCDB (Rev. 2015-December); 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.]

23924 Premt           Discovered 1998 Sept. 26 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Prem Poothatta Thottumkara (b. 1992) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his physical science project. He attends the Macomb Junior High School, Macomb, Illinois.
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 SX140 = 1989 ES6 = 1999 YH4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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