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277952 (2006 SA18)
Classification: Main-belt Asteroid          SPK-ID: 2277952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026466907950923 7.153e-08  
a 2.55049149477871 1.5281e-08 au
q 2.033642833460776 1.8589e-07 au
i 5.098088199537727 6.8157e-06 deg
node 166.184027287492 4.4504e-05 deg
peri 186.0835575474227 4.6593e-05 deg
M 143.3029476665129 1.3023e-05 deg
tp 2458408.274819169912
(2018-Oct-16.77481917)
5.0692e-05 TDB
period 1487.764687122711
4.07
1.337e-05
3.661e-08
d
yr
n .2419737496903683 2.1746e-09 deg/d
Q 3.067340156096644 1.8377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      6324 days (17.31 yr)  
   first obs. used      2002-10-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:16:24  

Additional Information
 Earth MOID = 1.02822 au 
 Jupiter MOID = 2.36985 au 
 T_jup = 3.406 
[ 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 17.1   n/a MPO455062  

277952 (2006 SA18)          Discovered 2006-Sep-17 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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