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227282 (2005 SD166)
Classification: Main-belt Asteroid          SPK-ID: 2227282
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166102585789846 3.9277e-08  
a 2.360043277143516 9.6278e-09 au
q 1.848833692623865 9.0178e-08 au
i 6.174673779872805 5.1443e-06 deg
node 136.4209622676974 3.8594e-05 deg
peri 286.4076440240586 4.0642e-05 deg
M 34.72370506708247 1.2058e-05 deg
tp 2459072.767346208069
(2020-Aug-11.26734621)
4.4176e-05 TDB
period 1324.275600091042
3.63
8.1035e-06
2.219e-08
d
yr
n .2718467364159322 1.6635e-09 deg/d
Q 2.871252861663167 1.1713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      561  
   data-arc span      8123 days (22.24 yr)  
   first obs. used      1998-12-15  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:09  

Additional Information
 Earth MOID = .872752 au 
 Jupiter MOID = 2.47478 au 
 T_jup = 3.512 
[ 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 16.2   n/a MPO440186  

227282 (2005 SD166)          Discovered 2005-Sep-28 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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