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JPL Small-Body Database Browser
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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425917255355689 3.3487e-08  
a 2.400260860173503 8.4743e-09 au
q 1.817977436368524 8.0028e-08 au
i 6.274706105839261 4.1918e-06 deg
node 230.983215393651 3.0627e-05 deg
peri 233.8574380949834 3.1843e-05 deg
M 50.68985888495336 7.5552e-06 deg
tp 2458809.248577809915
(2019-Nov-21.74857781)
2.8358e-05 TDB
period 1358.269947933668
3.72
7.1932e-06
1.969e-08
d
yr
n .2650430428411281 1.4036e-09 deg/d
Q 2.982544283978482 1.053e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1388  
   data-arc span      16492 days (45.15 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 21:30:36  

Additional Information
 Earth MOID = .842955 au 
 Jupiter MOID = 2.20993 au 
 T_jup = 3.478 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456978.5 (2014-Nov-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419205131444662 3.3522e-08  
q 1.820264592352137 8.0099e-08 au
tp 2457451.434656076511
(2016-Mar-03.93465608)
2.8534e-05 TDB
node 231.018189881583 3.0654e-05 deg
peri 233.9896097558665 3.1875e-05 deg
i 6.270024889824032 4.1896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1388  
   data-arc span      16492 days (45.15 yr)  
   first obs. used      1974-11-12  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 21:30:36  

Additional Information
 Jupiter MOID = 2.20993 au 
 T_jup = 3.478 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.123744961894909E-15 -2.676477381516113E-15 -1.920331760540902E-13 5.610050541463382E-15 -3.156228856571809E-14 -4.036233897783199E-16
q -2.676477381516113E-15 6.415842385551567E-15 4.350366790037354E-13 -1.301971004964362E-14 6.310051046784309E-14 8.939047473829744E-16
tp -1.920331760540902E-13 4.350366790037354E-13 8.142058109508947E-10 -3.791472667834029E-12 2.551816935390318E-10 8.820603508369727E-13
node 5.610050541463382E-15 -1.301971004964362E-14 -3.791472667834029E-12 9.396621447638066E-10 -9.344654208927254E-10 7.474650189314982E-12
peri -3.156228856571809E-14 6.310051046784309E-14 2.551816935390318E-10 -9.344654208927254E-10 1.016044947097532E-9 -7.129085489413155E-12
i -4.036233897783199E-16 8.939047473829744E-16 8.820603508369727E-13 7.474650189314982E-12 -7.129085489413155E-12 1.755303283186705E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2028-Aug-17 13:33 < 00:01 Ceres 0.0407280510301994 0.0407270369477341 0.0407290651736697 5.3090857561368 5.30908380234457 2462001.064821371 0.743941862134962 135.972563838729 39.5113814302926 -76.1461897684177 149385.586177725 T 28 CATAB v2.0f-lin.ifort 2020-Jan-28 21:31:14 2020-Jan-28 21:31

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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