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145474 (2005 SA278)
Classification: TransNeptunian Object          SPK-ID: 2145474
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .638493614545296 3.3519e-05  
a 91.52816435131679 0.0098192 au
q 33.08801586194863 0.0005949 au
i 16.26840082363823 6.3652e-05 deg
node 170.2929518204869 0.00023694 deg
peri 277.0052138342542 0.0022305 deg
M 353.1912803300246 0.0013803 deg
tp 2465049.638225335491
(2036-Dec-22.13822534)
0.27169 TDB
period 319838.3641382374
875.67
51.469
0.1409
d
yr
n .001125568538252041 1.8113e-07 deg/d
Q 149.9683128406849 0.016089 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6661 days (18.24 yr)  
   first obs. used      2001-10-25  
   last obs. used      2020-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .29054  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:30:32  

Additional Information
 Earth MOID = 32.1444 au 
 Jupiter MOID = 28.1814 au 
 T_jup = 6.254 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.1   n/a MPO417783  

145474 (2005 SA278)          Discovered 2005-Sep-27 by Becker, A. C., Puckett, A. W., Kubica, J. at Apache Point
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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