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181386 (2006 SD49)
Classification: Main-belt Asteroid          SPK-ID: 2181386
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2252843638239863 4.54e-08  
a 2.36322617552553 1.1152e-08 au
q 1.830828270000069 1.0745e-07 au
i 2.543349123599139 5.3731e-06 deg
node 15.82900193594351 9.6447e-05 deg
peri 322.5464559640191 9.6988e-05 deg
M 354.5341307025983 1.2363e-05 deg
tp 2459220.647125929371
(2021-Jan-06.14712593)
4.5658e-05 TDB
period 1326.955501482892
3.63
9.3929e-06
2.572e-08
d
yr
n .2712977184221286 1.9204e-09 deg/d
Q 2.895624081050991 1.3664e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      7061 days (19.33 yr)  
   first obs. used      1999-12-07  
   last obs. used      2019-04-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60609  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:24  

Additional Information
 Earth MOID = .820841 au 
 Jupiter MOID = 2.49777 au 
 T_jup = 3.514 
[ 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 16.8   n/a MPO469952  

181386 (2006 SD49)          Discovered 2006-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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