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160345 (2003 SJ175)
Classification: Main-belt Asteroid          SPK-ID: 2160345
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02922937608165221 4.0734e-08  
a 2.644088837166279 1.488e-08 au
q 2.566803770151447 1.0351e-07 au
i 2.911585468580221 4.9351e-06 deg
node 168.9102026730795 6.5676e-05 deg
peri 38.61147019055776 9.803e-05 deg
M 152.9684521048878 7.3628e-05 deg
tp 2458533.214232118166
(2019-Feb-18.71423212)
0.00032079 TDB
period 1570.40797061046
4.30
1.3256e-05
3.629e-08
d
yr
n .2292397942045965 1.9351e-09 deg/d
Q 2.721373904181111 1.5315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      21966 days (60.14 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:17:16  

Additional Information
 Earth MOID = 1.56113 au 
 Jupiter MOID = 2.2342 au 
 T_jup = 3.391 
[ 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 15.96   n/a E2021B55  
rotation period rot_per 13.52 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

160345 (2003 SJ175)          Discovered 2003-Sep-18 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2003 SJ175 = 2006 HV42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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