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192542 (1998 SO144)
Classification: Main-belt Asteroid          SPK-ID: 2192542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1548170536968278 5.4003e-08  
a 2.215297910523334 1.3555e-08 au
q 1.872332014955373 1.2192e-07 au
i 4.487954589834445 5.8521e-06 deg
node 16.31301284573353 5.6025e-05 deg
peri 352.0834992511189 5.9114e-05 deg
M 273.370384019325 2.5176e-05 deg
tp 2459490.308101670370
(2021-Oct-02.80810167)
8.6338e-05 TDB
period 1204.33313042282
3.30
1.1053e-05
3.026e-08
d
yr
n .2989206149909788 2.7435e-09 deg/d
Q 2.558263806091296 1.5653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:34  

Additional Information
 Earth MOID = .870052 au 
 Jupiter MOID = 2.90344 au 
 T_jup = 3.634 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457336.5 (2015-Nov-10.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543204825031709 5.403e-08  
q 1.873393841049166 1.2188e-07 au
tp 2457080.474882011115
(2015-Feb-26.97488201)
7e-05 TDB
node 16.34011400245655 5.6022e-05 deg
peri 351.8003893187704 5.9128e-05 deg
i 4.48897532644093 5.8517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-04-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63407  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:34  

Additional Information
 Jupiter MOID = 2.90344 au 
 T_jup = 3.634 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.91919549740546E-15 -6.555651653574736E-15 -5.901990726761251E-13 -1.414047608979724E-14 -1.956404993411619E-13 2.001722823435716E-15
q -6.555651653574736E-15 1.485359598024E-14 1.853525196287087E-12 3.246718019045946E-14 5.814638550988096E-13 -4.921327782971531E-15
tp -5.901990726761251E-13 1.853525196287087E-12 4.899942548583211E-9 1.145351599962118E-11 1.337228450448255E-9 -6.308758472530125E-12
node -1.414047608979724E-14 3.246718019045946E-14 1.145351599962118E-11 3.138489756990181E-9 -3.125266332465688E-9 -7.257409983399413E-11
peri -1.956404993411619E-13 5.814638550988096E-13 1.337228450448255E-9 -3.125266332465688E-9 3.496172922710531E-9 7.061780141104306E-11
i 2.001722823435716E-15 -4.921327782971531E-15 -6.308758472530125E-12 -7.257409983399413E-11 7.061780141104306E-11 3.424188096215369E-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 17.36   n/a E2021B55  

192542 (1998 SO144)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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