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146560 (2001 SJ350)
Classification: Main-belt Asteroid          SPK-ID: 2146560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1184722494452644 4.7531e-08  
a 2.560750730549924 1.5604e-08 au
q 2.257372831233071 1.2816e-07 au
i 3.204534427884685 5.9952e-06 deg
node 333.2369227350492 7.8975e-05 deg
peri 336.6070475253087 8.3306e-05 deg
M 266.3008172093037 2.5031e-05 deg
tp 2459390.067472060745
(2021-Jun-24.56747206)
0.00010352 TDB
period 1496.75040661927
4.10
1.3681e-05
3.746e-08
d
yr
n .2405210637711714 2.1984e-09 deg/d
Q 2.864128629866778 1.7453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:39  

Additional Information
 Earth MOID = 1.24334 au 
 Jupiter MOID = 2.36783 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457142.5 (2015-Apr-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1179275834965643 4.7004e-08  
q 2.26066769505313 1.2637e-07 au
tp 2457889.511976206721
(2017-May-16.01197621)
0.0001074 TDB
node 333.2817122483596 7.8866e-05 deg
peri 335.7846887676311 8.3274e-05 deg
i 3.206883680564534 5.9907e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      9213 days (25.22 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 23:55:39  

Additional Information
 Jupiter MOID = 2.36783 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.209381232134619E-15 -5.910871185250244E-15 3.313445288290633E-12 1.750333375301679E-14 8.485588885160449E-13 1.628952264476666E-15
q -5.910871185250244E-15 1.596978316083683E-14 -8.813961898914081E-12 -4.817346216737769E-14 -2.274373206016138E-12 -4.22213627370619E-15
tp 3.313445288290633E-12 -8.813961898914081E-12 1.153493594529752E-8 1.543215380458178E-11 2.890039708824566E-9 3.616548999079988E-12
node 1.750333375301679E-14 -4.817346216737769E-14 1.543215380458178E-11 6.219810489529946E-9 -6.205398760844138E-9 2.669752102115421E-10
peri 8.485588885160449E-13 -2.274373206016138E-12 2.890039708824566E-9 -6.205398760844138E-9 6.93451268121629E-9 -2.656561509394599E-10
i 1.628952264476666E-15 -4.22213627370619E-15 3.616548999079988E-12 2.669752102115421E-10 -2.656561509394599E-10 3.588891336820092E-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 16.2   n/a MPO469554  

146560 (2001 SJ350)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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