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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457264.5 (2015-Aug-30.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009744746793935 4.1228e-08  
q 2.165038290548877 1.1283e-07 au
tp 2456840.921066857231
(2014-Jul-02.42106686)
5.3434e-05 TDB
node 75.81043140267921 1.8162e-05 deg
peri 233.2869653878722 2.2355e-05 deg
i 15.41899437966762 5.0838e-06 deg
  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
 Jupiter MOID = 2.06743 au 
 T_jup = 3.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.699712358305645E-15 -4.610771019467155E-15 -9.611303560859021E-14 7.270748862842758E-15 -2.972038370392587E-14 -5.84924226555353E-15
q -4.610771019467155E-15 1.273132054471931E-14 2.980183961926884E-13 -2.194218121102576E-14 1.082514601328193E-13 1.647030007974887E-14
tp -9.611303560859021E-14 2.980183961926884E-13 2.85517749300044E-9 -6.431221751653621E-12 7.165939395633404E-10 -2.665757904793104E-12
node 7.270748862842758E-15 -2.194218121102576E-14 -6.431221751653621E-12 3.298420953691557E-10 -3.192567575682849E-10 6.41796130765657E-13
peri -2.972038370392587E-14 1.082514601328193E-13 7.165939395633404E-10 -3.192567575682849E-10 4.997525013789913E-10 -1.246096898103117E-12
i -5.84924226555353E-15 1.647030007974887E-14 -2.665757904793104E-12 6.41796130765657E-13 -1.246096898103117E-12 2.584496084689934E-11

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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