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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425917308376214 3.0374e-08  
a 2.400260858878741 7.9366e-09 au
q 1.817977422661552 7.1428e-08 au
i 6.274703525719153 3.5068e-06 deg
node 230.9832165200323 3.061e-05 deg
peri 233.8574360859113 3.1774e-05 deg
M 50.68986052133068 6.7339e-06 deg
tp 2458809.248571790658
(2019-Nov-21.74857179)
2.542e-05 TDB
period 1358.26994683464
3.72
6.7368e-06
1.844e-08
d
yr
n .2650430430555845 1.3146e-09 deg/d
Q 2.982544295095931 9.862e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1467  
   data-arc span      16519 days (45.23 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:07:56  

Additional Information
 Earth MOID = .842955 au 
 Jupiter MOID = 2.20993 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457173.5 (2015-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2418945837087517 3.041e-08  
q 1.820106306048504 7.15e-08 au
tp 2457451.517057811827
(2016-Mar-04.01705781)
2.6688e-05 TDB
node 231.0099619177582 3.0636e-05 deg
peri 234.0277503956279 3.1805e-05 deg
i 6.270366067628268 3.505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1467  
   data-arc span      16519 days (45.23 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:07:56  

Additional Information
 Jupiter MOID = 2.20993 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.247621183178368E-16 -2.167132626448951E-15 -5.028130312171606E-14 4.024838168886583E-15 -7.27566992365127E-15 -1.927670781094573E-15
q -2.167132626448951E-15 5.112218219479542E-15 7.207720712855335E-14 -8.911085018904329E-15 7.800728676788457E-16 4.451441715317244E-15
tp -5.028130312171606E-14 7.207720712855335E-14 7.122532286479152E-10 -1.876872881302396E-12 2.36923874755476E-10 -5.368021037846628E-13
node 4.024838168886583E-15 -8.911085018904329E-15 -1.876872881302396E-12 9.38554056006674E-10 -9.329843375934302E-10 9.129159888876752E-12
peri -7.27566992365127E-15 7.800728676788457E-16 2.36923874755476E-10 -9.329843375934302E-10 1.011589061703899E-9 -9.224560726934599E-12
i -1.927670781094573E-15 4.451441715317244E-15 -5.368021037846628E-13 9.129159888876752E-12 -9.224560726934599E-12 1.228508687017552E-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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