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17670 Liddell (1996 XQ19)
Classification: Main-belt Asteroid          SPK-ID: 2017670
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08456765603043534 4.1382e-08  
a 2.787346938746871 1.2288e-08 au
q 2.551627541593439 1.1681e-07 au
i 2.406943994446178 3.7362e-06 deg
node 254.4929911215787 0.000104 deg
peri 140.7162194878731 0.00010694 deg
M 47.36740438779353 2.3573e-05 deg
tp 2458776.853525851839
(2019-Oct-20.35352585)
0.0001113 TDB
period 1699.749685124947
4.65
1.124e-05
3.077e-08
d
yr
n .2117958915659613 1.4005e-09 deg/d
Q 3.023066335900304 1.3327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1449  
   data-arc span      10134 days (27.75 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:19:40  

Additional Information
 Earth MOID = 1.55881 au 
 Jupiter MOID = 2.33253 au 
 T_jup = 3.324 
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Orbital Elements at Epoch 2456665.5 (2014-Jan-08.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08353399781216769 4.1678e-08  
q 2.554828217382561 1.175e-07 au
tp 2457067.086059255667
(2015-Feb-13.58605926)
0.00011323 TDB
node 254.7654193367429 0.00010445 deg
peri 138.4639108767703 0.00010742 deg
i 2.40056232532483 3.7281e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1449  
   data-arc span      10134 days (27.75 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:19:40  

Additional Information
 Jupiter MOID = 2.33253 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.737076944021194E-15 -4.874800015401487E-15 -1.472280275129282E-12 -8.902241672647691E-15 -3.466475852482369E-13 -4.119516507853738E-16
q -4.874800015401487E-15 1.380582578197641E-14 4.001386907990022E-12 2.496965006579831E-14 9.366546768426661E-13 1.325818729463463E-15
tp -1.472280275129282E-12 4.001386907990022E-12 1.282171868499979E-8 1.87711830078184E-11 2.866855024969872E-9 3.971324938663032E-13
node -8.902241672647691E-15 2.496965006579831E-14 1.87711830078184E-11 1.090897231175628E-8 -1.089494608106187E-8 -8.200339354007686E-11
peri -3.466475852482369E-13 9.366546768426661E-13 2.866855024969872E-9 -1.089494608106187E-8 1.153909737869624E-8 8.201351718332097E-11
i -4.119516507853738E-16 1.325818729463463E-15 3.971324938663032E-13 -8.200339354007686E-11 8.201351718332097E-11 1.389860791287305E-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 14.5   n/a MPO502303  

17670 Liddell           Discovered 1996 Dec. 8 by T. Urata at the Nihondaira Observatory.
Alice Pleasance Liddell (1852-1934) was the young girl, then aged 10, for whom Lewis Carroll wrote Alice's adventures in Wonderland. The name was suggested by J. Meeus.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011101/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1996 XQ19 = 1998 FV27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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