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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691985265175298 4.0668e-08  
a 2.560184689079964 9.1075e-09 au
q 2.127005212074894 1.0499e-07 au
i 13.3723467105678 3.9142e-06 deg
node 207.4770592032291 1.894e-05 deg
peri 91.73510761262615 2.2526e-05 deg
M 175.4755950666708 1.1299e-05 deg
tp 2458667.177530300847
(2019-Jul-02.67753030)
4.7117e-05 TDB
period 1496.254159969873
4.10
7.9841e-06
2.186e-08
d
yr
n .2406008348255811 1.2839e-09 deg/d
Q 2.993364166085034 1.0648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1075  
   data-arc span      10659 days (29.18 yr)  
   first obs. used      1991-11-13  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46745  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:03:51  

Additional Information
 Earth MOID = 1.16236 au 
 Jupiter MOID = 2.32247 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 15.16   n/a MPCxxxxx  
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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