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JPL Small-Body Database Browser
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181708 (1993 FW)
Classification: TransNeptunian Object          SPK-ID: 2181708
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05456321612366313 0.00010868  
a 44.01599987735309 0.0068825 au
q 41.61434536314594 0.0025757 au
i 7.741242661172818 0.00035844 deg
node 187.8741110373919 0.0004428 deg
peri 44.48092690269546 0.081325 deg
M 351.4938501024554 0.073184 deg
tp 2461120.756918075764
(2026-Mar-21.25691808)
21.273 TDB
period 106663.1203817819
292.03
25.017
0.06849
d
yr
n .003375112210400777 7.9162e-07 deg/d
Q 46.41765439156023 0.007258 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      5456 days (14.94 yr)  
   first obs. used      1993-03-28  
   last obs. used      2008-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .41812  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 06:37:28  

Additional Information
 Earth MOID = 40.6084 au 
 Jupiter MOID = 36.222 au 
 T_jup = 5.874 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.0   n/a MPC41518  

181708 (1993 FW)          Discovered 1993-Mar-28 by Jewitt, D. C., Luu, J. X. at Mauna Kea
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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