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181162 (2005 SK11)
Classification: Outer Main-belt Asteroid          SPK-ID: 2181162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028351411160627 4.7059e-08  
a 3.212415310650569 3.3247e-08 au
q 2.882066128856418 1.6504e-07 au
i 2.013801913199285 5.2323e-06 deg
node 55.17577368164348 0.00019319 deg
peri 212.0436294984117 0.00019645 deg
M 327.0000198790032 3.824e-05 deg
tp 2459393.277851180563
(2021-Jun-27.77785118)
0.0002242 TDB
period 2103.032370642116
5.76
3.2648e-05
8.939e-08
d
yr
n .1711813878975537 2.6575e-09 deg/d
Q 3.542764492444721 3.6666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6229 days (17.05 yr)  
   first obs. used      2003-04-09  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52124  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:28  

Additional Information
 Earth MOID = 1.8646 au 
 Jupiter MOID = 1.53083 au 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.62   n/a E2021B55  
diameter diameter 4.562 km 0.965 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181162 (2005 SK11)          Discovered 2005-Sep-23 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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