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150855 (2001 SW111)
Classification: Main-belt Asteroid          SPK-ID: 2150855
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839022889167944 4.8696e-08  
a 2.661857035768787 1.2295e-08 au
q 2.172335434121634 1.3266e-07 au
i 9.217997939644194 3.5802e-06 deg
node 257.1195112903175 3.0295e-05 deg
peri 117.332313161223 3.2669e-05 deg
M 169.8648342291777 1.1862e-05 deg
tp 2458452.026384761368
(2018-Nov-29.52638476)
5.0213e-05 TDB
period 1586.264177094896
4.34
1.099e-05
3.009e-08
d
yr
n .2269483262613347 1.5724e-09 deg/d
Q 3.15137863741594 1.4556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2001-09-20  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:20  

Additional Information
 Earth MOID = 1.19104 au 
 Jupiter MOID = 2.39374 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1820863465848764 4.8774e-08  
q 2.180029200078816 1.3264e-07 au
tp 2456861.706168930633
(2014-Jul-23.20616893)
4.8565e-05 TDB
node 257.2629187098915 3.0355e-05 deg
peri 116.8660663627993 3.2784e-05 deg
i 9.201739023383594 3.5758e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      932  
   data-arc span      7084 days (19.39 yr)  
   first obs. used      2001-09-20  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:20  

Additional Information
 Jupiter MOID = 2.39374 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.378857365701245E-15 -6.452115311569131E-15 -1.01931594926046E-12 -1.389435271250939E-14 -3.269969753644755E-13 -5.041649069854565E-15
q -6.452115311569131E-15 1.759461301101191E-14 2.782688017100465E-12 3.974352230283472E-14 8.991957092352419E-13 1.361790261813739E-14
tp -1.01931594926046E-12 2.782688017100465E-12 2.358566168831233E-9 1.535483806600669E-11 6.26268397591474E-10 3.451822863491169E-12
node -1.389435271250939E-14 3.974352230283472E-14 1.535483806600669E-11 9.214029396633616E-10 -9.049173186461394E-10 -1.305843903289891E-12
peri -3.269969753644755E-13 8.991957092352419E-13 6.26268397591474E-10 -9.049173186461394E-10 1.074798592527478E-9 2.326320256761772E-12
i -5.041649069854565E-15 1.361790261813739E-14 3.451822863491169E-12 -1.305843903289891E-12 2.326320256761772E-12 1.278651228640475E-11

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 15.39   n/a E2021B55  

150855 (2001 SW111)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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