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181184 (2005 SQ95)
Classification: Main-belt Asteroid          SPK-ID: 2181184
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0595147340324875 7.3335e-08  
a 3.132331598069811 3.6227e-08 au
q 2.94591171610913 2.4532e-07 au
i 9.527766804556004 8.7056e-06 deg
node 20.7343775317127 3.3118e-05 deg
peri 255.899179108192 9.6509e-05 deg
M 356.8377071904538 8.3813e-05 deg
tp 2459218.286872991653
(2021-Jan-03.78687299)
0.00047126 TDB
period 2024.883419291547
5.54
3.5128e-05
9.618e-08
d
yr
n .1777880131617427 3.0843e-09 deg/d
Q 3.318751480030492 3.8383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      6702 days (18.35 yr)  
   first obs. used      2002-02-08  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6314  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:33  

Additional Information
 Earth MOID = 1.94751 au 
 Jupiter MOID = 1.7751 au 
 T_jup = 3.189 
[ 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 15.90   n/a E2021B55  
diameter diameter 3.755 km 0.771 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181184 (2005 SQ95)          Discovered 2005-Sep-25 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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