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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618037501106745 1.5283e-07  
a 2.583351638762804 4.2731e-08 au
q 1.907020491880145 4.1804e-07 au
i 11.87527121174981 9.6407e-06 deg
node 203.9669408016954 5.6081e-05 deg
peri 106.9272950888496 5.8049e-05 deg
M 278.8759295408563 2.17e-05 deg
tp 2459542.259776849136
(2021-Nov-23.75977685)		 9.7868e-05 TDB
period 1516.60929942676
4.15		 3.7629e-05
1.03e-07		 d
yr
n .2373716158380876 5.8895e-09 deg/d
Q 3.259682785645463 5.3918e-08 au
   Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      6691 days (18.32 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:12  

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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