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102203 (1999 SC19)
Classification: Main-belt Asteroid          SPK-ID: 2102203
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1600235680286464 3.2669e-08  
a 2.436564197118516 1.1063e-08 au
q 2.046656500564757 8.1364e-08 au
i 9.373092285264629 4.6175e-06 deg
node 107.9774479938387 2.8905e-05 deg
peri 297.2652789003793 3.4119e-05 deg
M 128.5459920648648 1.8697e-05 deg
tp 2458504.454797147371
(2019-Jan-20.95479715)
7.0779e-05 TDB
period 1389.201406892844
3.80
9.4616e-06
2.59e-08
d
yr
n .2591416897605896 1.765e-09 deg/d
Q 2.826471893672275 1.2834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      7538 days (20.64 yr)  
   first obs. used      1999-09-30  
   last obs. used      2020-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:56:09  

Additional Information
 Earth MOID = 1.07626 au 
 Jupiter MOID = 2.56995 au 
 T_jup = 3.468 
[ 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 15.93   n/a E2021B55  
rotation period rot_per 26.6393 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.]

102203 (1999 SC19)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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