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11979 (1995 SS5)
Classification: Main-belt Asteroid          SPK-ID: 2011979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1693980952147662 4.8362e-08  
a 2.559278479548523 1.0557e-08 au
q 2.125741579988861 1.2679e-07 au
i 13.37467514240679 4.6637e-06 deg
node 207.4906831093432 2.0972e-05 deg
peri 91.60949145664944 2.7181e-05 deg
M 80.2977269799695 1.4666e-05 deg
tp 2458666.938825005276
(2019-Jul-02.43882501)
6.1573e-05 TDB
period 1495.459803339832
4.09
9.2529e-06
2.533e-08
d
yr
n .24072863690218 1.4895e-09 deg/d
Q 2.992815379108186 1.2345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      10595 days (29.01 yr)  
   first obs. used      1991-11-13  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:17:39  

Additional Information
 Earth MOID = 1.16157 au 
 Jupiter MOID = 2.32453 au 
 T_jup = 3.378 
[ 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 15.2   n/a MPO492886  
diameter diameter 2.411 km 0.326 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.304   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11979 (1995 SS5)          Discovered 1995-Sep-25 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 SS5 = 1995 UZ7 = 1998 HK99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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