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160267 (2002 SY18)
Classification: Main-belt Asteroid          SPK-ID: 2160267
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .24884062224819 4.2443e-08  
a 3.061378794745688 2.094e-08 au
q 2.299583390523757 1.2947e-07 au
i 16.79694633837284 6.231e-06 deg
node 130.7966794715908 1.4294e-05 deg
peri 250.3549933302125 1.8564e-05 deg
M 128.5285689496601 1.2967e-05 deg
tp 2458501.992292378320
(2019-Jan-18.49229238)
6.7714e-05 TDB
period 1956.473776988007
5.36
2.0073e-05
5.496e-08
d
yr
n .1840045106836138 1.8879e-09 deg/d
Q 3.82317419896762 2.6151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      2001-07-21  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:37  

Additional Information
 Earth MOID = 1.36065 au 
 Jupiter MOID = 1.92931 au 
 T_jup = 3.122 
[ 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 14.97   n/a E2021B55  
rotation period rot_per 4.76181 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.]

160267 (2002 SY18)          Discovered 2002-Sep-27 by LINEAR at Socorro
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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