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185674 (1995 SM68)
Classification: Main-belt Asteroid          SPK-ID: 2185674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1634436008847522 5.9325e-08  
a 2.271825705843812 8.6812e-09 au
q 1.900510331898156 1.3505e-07 au
i 2.496288996278041 6.8577e-06 deg
node 358.512220837853 0.00010257 deg
peri 342.0768256199683 0.00010423 deg
M 81.36917781367328 1.5329e-05 deg
tp 2458717.804843411263
(2019-Aug-22.30484341)
5.3385e-05 TDB
period 1250.72243700174
3.42
7.169e-06
1.963e-08
d
yr
n .2878336466586465 1.6498e-09 deg/d
Q 2.643141079789469 1.01e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      8805 days (24.11 yr)  
   first obs. used      1995-09-20  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:52:16  

Additional Information
 Earth MOID = .892202 au 
 Jupiter MOID = 2.73725 au 
 T_jup = 3.593 
[ 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 17.5   n/a MPO440033  
diameter diameter 1.784 km 0.430 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185674 (1995 SM68)          Discovered 1995-Sep-20 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 1995 SM68 = 2002 TJ86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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