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160339 (2003 SY66)
Classification: Main-belt Asteroid          SPK-ID: 2160339
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097302286416151 5.4641e-08  
a 2.783571639406308 1.9149e-08 au
q 2.478129686973939 1.5011e-07 au
i 2.989320564014623 5.9431e-06 deg
node 164.1353278483894 9.9818e-05 deg
peri 170.1329222863949 0.00010352 deg
M 251.380565346626 3.0112e-05 deg
tp 2459512.307998402952
(2021-Oct-24.80799840)
0.00014396 TDB
period 1696.297536560043
4.64
1.7504e-05
4.792e-08
d
yr
n .2122269190640055 2.19e-09 deg/d
Q 3.089013591838678 2.125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      9776 days (26.77 yr)  
   first obs. used      1993-07-21  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:32:28  

Additional Information
 Earth MOID = 1.46814 au 
 Jupiter MOID = 2.2464 au 
 T_jup = 3.321 
[ 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 15.6   n/a MPO436808  
rotation period rot_per 7.496 h n/a LCDB (Rev. 2019-August); 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.]

160339 (2003 SY66)          Discovered 2003-Sep-19 by CINEOS at Campo Imperatore
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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