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100763 (1998 FK18)
Classification: Main-belt Asteroid          SPK-ID: 2100763
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05324002892002661 4.7967e-08  
a 2.182870876627662 8.2029e-09 au
q 2.066654768027322 1.0647e-07 au
i 3.709256104517931 4.2459e-06 deg
node 336.825500255422 7.9736e-05 deg
peri 99.61463679039616 9.2754e-05 deg
M 42.06025189395245 4.4964e-05 deg
tp 2458862.871028196416
(2020-Jan-14.37102820)		 0.00014729 TDB
period 1177.986997657854
3.23		 6.64e-06
1.818e-08		 d
yr
n .3056060896391675 1.7226e-09 deg/d
Q 2.299086985228003 8.6396e-09 au
   Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1998-02-26  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:21  

Additional Information
 Earth MOID = 1.08566 au 
 Jupiter MOID = 2.80109 au 
 T_jup = 3.675 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456720.5 (2014-Mar-04.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05306205610155811 4.7819e-08  
q 2.067033377101754 1.0619e-07 au
tp 2456505.839833499512
(2013-Aug-01.33983350)		 0.00015148 TDB
node 336.9028737115108 7.9685e-05 deg
peri 99.20162241036647 9.2868e-05 deg
i 3.710844581120147 4.2465e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1998-02-26  
   last obs. used      2020-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:21  

Additional Information
 Jupiter MOID = 2.80109 au 
 T_jup = 3.675 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.28664123219938E-15 -5.064686598117849E-15 1.144360641661098E-12 3.079330775544484E-14 3.622724574180871E-13 -3.036234004726519E-15
q -5.064686598117849E-15 1.127573918633326E-14 -2.838265081494282E-12 -6.821162779656258E-14 -8.95622906370505E-13 6.70526441271475E-15
tp 1.144360641661098E-12 -2.838265081494282E-12 2.294567151462706E-8 2.909147461148661E-11 7.25178330273079E-9 4.409312704574392E-12
node 3.079330775544484E-14 -6.821162779656258E-14 2.909147461148661E-11 6.349744270213206E-9 -6.325959988034743E-9 -2.353195554280642E-11
peri 3.622724574180871E-13 -8.95622906370505E-13 7.25178330273079E-9 -6.325959988034743E-9 8.624441641651886E-9 2.485682492297636E-11
i -3.036234004726519E-15 6.70526441271475E-15 4.409312704574392E-12 -2.353195554280642E-11 2.485682492297636E-11 1.803317289727522E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO395889  

100763 (1998 FK18)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 FK18 = 2000 WP143 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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