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JPL Small-Body Database Browser
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146559 (2001 SH345)
Classification: Main-belt Asteroid          SPK-ID: 2146559
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992721012493795 4.1324e-08  
a 2.710534655513557 1.8757e-08 au
q 2.170400719200107 1.1295e-07 au
i 15.42574423655087 5.0862e-06 deg
node 75.7487272550317 1.8136e-05 deg
peri 233.1300103059941 2.2401e-05 deg
M 28.86687919373019 1.2808e-05 deg
tp 2458469.799211597216
(2018-Dec-17.29921160)		 5.7503e-05 TDB
period 1629.974737110547
4.46		 1.6919e-05
4.632e-08		 d
yr
n .220862318785487 2.2926e-09 deg/d
Q 3.250668591827006 2.2495e-08 au
   Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      7150 days (19.58 yr)  
   first obs. used      2000-04-28  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52189  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:37:17  

Additional Information
 Earth MOID = 1.19069 au 
 Jupiter MOID = 2.06743 au 
 T_jup = 3.283 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO439880  

146559 (2001 SH345)          Discovered 2001-Sep-23 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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