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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618346403057751 4.423e-08  
a 3.056129159133221 2.3352e-08 au
q 2.561541595936905 1.3912e-07 au
i 17.30264706401213 5.0811e-06 deg
node 163.3998172878481 1.8157e-05 deg
peri 307.8396028468845 2.5331e-05 deg
M 212.5346574259265 1.8798e-05 deg
tp 2460195.861904439989
(2023-Sep-08.36190444)
0.00010662 TDB
period 1951.443509201802
5.34
2.2367e-05
6.124e-08
d
yr
n .1844788221142259 2.1144e-09 deg/d
Q 3.550716722329537 2.7131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2001-11-13  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56513  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:23:02  

Additional Information
 Earth MOID = 1.61477 au 
 Jupiter MOID = 1.64645 au 
 T_jup = 3.147 
[ show covariance matrix ]

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 15.41   n/a E2021B55  

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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