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227290 (2005 SW189)
Classification: Main-belt Asteroid          SPK-ID: 2227290
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618037152630907 1.5113e-07  
a 2.58335162417752 3.8628e-08 au
q 1.907020571136906 4.1532e-07 au
i 11.87527902233625 8.5939e-06 deg
node 203.9668748850038 4.1325e-05 deg
peri 106.9273606585937 4.4712e-05 deg
M 278.8759369288318 1.9865e-05 deg
tp 2459542.259742830746
(2021-Nov-23.75974283)
8.9136e-05 TDB
period 1516.609286582877
4.15
3.4016e-05
9.313e-08
d
yr
n .2373716178483438 5.324e-09 deg/d
Q 3.259682677218134 4.8741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      105  
   data-arc span      7116 days (19.48 yr)  
   first obs. used      2001-10-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:50:32  

Additional Information
 Earth MOID = .931974 au 
 Jupiter MOID = 2.20865 au 
 T_jup = 3.345 
[ 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 16.85   n/a E2021B55  

227290 (2005 SW189)          Discovered 2005-Sep-29 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 SW189 = 2001 UJ143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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