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187234 (2005 SW154)
Classification: Main-belt Asteroid          SPK-ID: 2187234
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02458200742072245 4.3092e-08  
a 2.817419862995797 2.2175e-08 au
q 2.748162027016343 1.1873e-07 au
i 2.544415743968451 5.1282e-06 deg
node 217.5267406513024 0.00011588 deg
peri 29.49485309480657 0.00016758 deg
M 198.9437741461287 0.00012079 deg
tp 2459973.270975350731
(2023-Jan-28.77097535)
0.00057919 TDB
period 1727.331865945226
4.73
2.0393e-05
5.583e-08
d
yr
n .2084139169186239 2.4606e-09 deg/d
Q 2.88667769897525 2.272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      9755 days (26.71 yr)  
   first obs. used      1994-05-05  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:51:51  

Additional Information
 Earth MOID = 1.73306 au 
 Jupiter MOID = 2.09372 au 
 T_jup = 3.317 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO454289  

187234 (2005 SW154)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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