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227249 (2005 SU54)
Classification: Main-belt Asteroid          SPK-ID: 2227249
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1963481749885961 7.212e-08  
a 2.457929736323188 3.631e-08 au
q 1.975319718345929 1.8207e-07 au
i 1.793095472304799 1.137e-05 deg
node 186.6943345032853 0.00034914 deg
peri 139.0113155125438 0.0003518 deg
M 16.9291502502787 5.8023e-05 deg
tp 2459134.311082069811
(2020-Oct-11.81108207)
0.00022568 TDB
period 1407.513673314797
3.85
3.1189e-05
8.539e-08
d
yr
n .2557701618288182 5.6676e-09 deg/d
Q 2.940539754300447 4.344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5956 days (16.31 yr)  
   first obs. used      2001-08-25  
   last obs. used      2017-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65431  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:23:01  

Additional Information
 Earth MOID = .962001 au 
 Jupiter MOID = 2.3987 au 
 T_jup = 3.464 
[ 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 17.9   n/a MPO433488  

227249 (2005 SU54)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2005 SU54 = 2001 SQ340 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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