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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .637104930780113 4.077e-05  
a 91.10311567601376 0.011017 au
q 33.06087146939439 0.00071335 au
i 16.27849951038509 8.7124e-05 deg
node 170.350720157889 0.00031136 deg
peri 277.1521647835075 0.0025393 deg
M 352.6550592776343 0.0015982 deg
tp 2465080.635185919265
(2037-Jan-22.13518592)
0.28452 TDB
period 317613.0012632083
869.58
57.613
0.1577
d
yr
n .001133454860374765 2.056e-07 deg/d
Q 149.1453598826331 0.018036 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      5890 days (16.13 yr)  
   first obs. used      2001-10-25  
   last obs. used      2017-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .28664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:32:09  

Additional Information
 Earth MOID = 32.1172 au 
 Jupiter MOID = 28.1552 au 
 T_jup = 6.249 
[ 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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