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183518 (2003 FA81)
Classification: Main-belt Asteroid          SPK-ID: 2183518
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647250896569733 4.6462e-08  
a 3.048761799917611 2.3328e-08 au
q 2.546554239083427 1.4534e-07 au
i 17.26357877196617 5.4896e-06 deg
node 163.5623306493306 1.9796e-05 deg
peri 307.3177178998268 2.8218e-05 deg
M 139.844315621818 1.9625e-05 deg
tp 2458245.188694380772
(2018-May-06.68869438)
0.00010342 TDB
period 1944.39129551934
5.32
2.2317e-05
6.11e-08
d
yr
n .1851479179265947 2.125e-09 deg/d
Q 3.550969360751794 2.7171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2001-11-13  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:42:44  

Additional Information
 Earth MOID = 1.60003 au 
 Jupiter MOID = 1.65314 au 
 T_jup = 3.149 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457196.5 (2015-Jun-23.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166414762441093 4.6596e-08  
q 2.539468205139619 1.4619e-07 au
tp 2456301.816521082124
(2013-Jan-09.31652108)
9.8876e-05 TDB
node 163.6248917224834 1.98e-05 deg
peri 306.941181065687 2.8003e-05 deg
i 17.2673416549717 5.4912e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      6774 days (18.55 yr)  
   first obs. used      2001-11-13  
   last obs. used      2020-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:42:44  

Additional Information
 Jupiter MOID = 1.65314 au 
 T_jup = 3.149 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.171206841623057E-15 -6.750090321083804E-15 -1.006883196356703E-12 -8.895428660597712E-15 -2.548538779468747E-13 -6.087661414188252E-15
q -6.750090321083804E-15 2.13708851981471E-14 3.112047493196113E-12 3.045142916205937E-14 8.238016365286578E-13 2.109242209229011E-14
tp -1.006883196356703E-12 3.112047493196113E-12 9.77638968681185E-9 3.651766047803833E-11 1.995405930999933E-9 9.90427227825168E-12
node -8.895428660597712E-15 3.045142916205937E-14 3.651766047803833E-11 3.920583960908192E-10 -3.659717351637958E-10 1.89599625340106E-11
peri -2.548538779468747E-13 8.238016365286578E-13 1.995405930999933E-9 -3.659717351637958E-10 7.841566672369702E-10 -1.58388476768134E-11
i -6.087661414188252E-15 2.109242209229011E-14 9.90427227825168E-12 1.89599625340106E-11 -1.58388476768134E-11 3.01536783663943E-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 15.3   n/a MPO436907  

183518 (2003 FA81)          Discovered 2003-Mar-27 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2003 FA81 = 2008 CU157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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