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180117 (2003 FW46)
Classification: Main-belt Asteroid          SPK-ID: 2180117
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04498690786048264 4.5014e-08  
a 2.988865942265668 2.1855e-08 au
q 2.854406105513628 1.2795e-07 au
i 1.967233198004613 4.4744e-06 deg
node 31.24698510920029 0.00013399 deg
peri 195.5442276172283 0.00014497 deg
M 118.5342825183858 5.4138e-05 deg
tp 2458579.059496313426
(2019-Apr-05.55949631)
0.00028475 TDB
period 1887.374492628034
5.17
2.0701e-05
5.668e-08
d
yr
n .190741159958523 2.0921e-09 deg/d
Q 3.123325779017708 2.2838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7265 days (19.89 yr)  
   first obs. used      2000-11-17  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:13  

Additional Information
 Earth MOID = 1.84323 au 
 Jupiter MOID = 1.8472 au 
 T_jup = 3.254 
[ 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 16.27   n/a E2021B55  

180117 (2003 FW46)          Discovered 2003-Mar-24 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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