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8956 (1998 FN119)
Classification: Main-belt Asteroid          SPK-ID: 2008956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2426595138115941 3.5291e-08  
a 2.400390334753305 8.7883e-09 au
q 1.817912783164018 8.4987e-08 au
i 6.274999128930784 4.4353e-06 deg
node 230.9867850944087 3.0748e-05 deg
peri 233.9020627519216 3.201e-05 deg
M 304.6479923249429 8.0123e-06 deg
tp 2458809.358477585275
(2019-Nov-21.85847759)
3.0459e-05 TDB
period 1358.379850864577
3.72
7.46e-06
2.042e-08
d
yr
n .265021598907602 1.4554e-09 deg/d
Q 2.982867886342591 1.0921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1340  
   data-arc span      16461 days (45.07 yr)  
   first obs. used      1974-11-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49862  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:47:27  

Additional Information
 Earth MOID = .843051 au 
 Jupiter MOID = 2.21041 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419305947935348 3.5326e-08  
q 1.820267996726736 8.5059e-08 au
tp 2457451.398148558800
(2016-Mar-03.89814856)
2.9931e-05 TDB
node 231.0220800212979 3.0778e-05 deg
peri 233.9776094077043 3.2046e-05 deg
i 6.27007499584308 4.4328e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1340  
   data-arc span      16461 days (45.07 yr)  
   first obs. used      1974-11-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49862  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:47:27  

Additional Information
 Jupiter MOID = 2.21041 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.247945636499002E-15 -2.995442587376413E-15 -2.926410857142554E-13 6.796361261707318E-15 -5.023067759346462E-14 -3.788495076236879E-16
q -2.995442587376413E-15 7.234962890144649E-15 6.935735250853607E-13 -1.623116049661796E-14 1.112761198283775E-13 9.376160872514695E-16
tp -2.926410857142554E-13 6.935735250853607E-13 8.958814872676818E-10 -6.051631307188124E-12 2.716113563664539E-10 1.569658140533594E-12
node 6.796361261707318E-15 -1.623116049661796E-14 -6.051631307188124E-12 9.472718932611171E-10 -9.425076091838968E-10 3.548503957061136E-12
peri -5.023067759346462E-14 1.112761198283775E-13 2.716113563664539E-10 -9.425076091838968E-10 1.026968953291509E-9 -3.06183513690725E-12
i -3.788495076236879E-16 9.376160872514695E-16 1.569658140533594E-12 3.548503957061136E-12 -3.06183513690725E-12 1.964961493577491E-11

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 14.5   n/a MPO416812  

8956 (1998 FN119)          Discovered 1998-Mar-31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FN119 = 1974 VR = 1985 SF3 = 1989 YD8 = 1996 TF55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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