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181187 (2005 SG105)
Classification: Main-belt Asteroid          SPK-ID: 2181187
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04608785382803547 4.4769e-08  
a 3.041618317469504 2.3927e-08 au
q 2.901436657053294 1.4533e-07 au
i 9.732631612752936 4.4018e-06 deg
node 185.6625090390915 2.2672e-05 deg
peri 212.7850179899383 5.6777e-05 deg
M 305.1400089347243 5.4711e-05 deg
tp 2459495.762798104097
(2021-Oct-08.26279810)
0.00029575 TDB
period 1937.561513471617
5.30
2.2862e-05
6.259e-08
d
yr
n .1858005526518597 2.1924e-09 deg/d
Q 3.181799977885713 2.5029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      7309 days (20.01 yr)  
   first obs. used      2000-11-29  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:34  

Additional Information
 Earth MOID = 1.91031 au 
 Jupiter MOID = 2.0349 au 
 T_jup = 3.216 
[ 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 15.23   n/a MPCxxxxx  
diameter diameter 4.028 km 0.455 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181187 (2005 SG105)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 SG105 = 2000 WO178 = 2002 CM228 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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