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18233 (4068 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2018233
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08703007753707592 4.6084e-08  
a 3.088207887539349 1.7255e-08 au
q 2.81944091563619 1.4284e-07 au
i 11.55655674943195 5.3924e-06 deg
node 163.508134695705 1.9813e-05 deg
peri 236.3598709077352 3.1164e-05 deg
M 189.9929362393629 2.4397e-05 deg
tp 2460136.600946790110
(2023-Jul-11.10094679)
0.00013681 TDB
period 1982.249051244813
5.43
1.6613e-05
4.548e-08
d
yr
n .181611891691373 1.5221e-09 deg/d
Q 3.356974859442508 1.8757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      17958 days (49.17 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:25:31  

Additional Information
 Earth MOID = 1.84323 au 
 Jupiter MOID = 2.05319 au 
 T_jup = 3.189 
[ 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 13.91   n/a E2021B10  
rotation period rot_per 8.38554 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

18233 (4068 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4068 T-1 = 1998 FL38 = 2000 OF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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