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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08456765530382518 4.1726e-08  
a 2.787346939015162 1.2403e-08 au
q 2.551627543864356 1.1796e-07 au
i 2.406944068474968 3.7603e-06 deg
node 254.4929884393035 0.00010487 deg
peri 140.7162225531742 0.00010779 deg
M 47.36740391908555 2.3588e-05 deg
tp 2458776.853528032566
(2019-Oct-20.35352803)
0.00011137 TDB
period 1699.749685370356
4.65
1.1345e-05
3.106e-08
d
yr
n .2117958915353822 1.4137e-09 deg/d
Q 3.023066334165969 1.3452e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      9864 days (27.01 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:09:09  

Additional Information
 Earth MOID = 1.55881 au 
 Jupiter MOID = 2.33253 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456607.5 (2013-Nov-11.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0835683687500728 4.2016e-08  
q 2.554828449826943 1.1865e-07 au
tp 2457066.965372290615
(2015-Feb-13.46537229)
0.00011324 TDB
node 254.7660388059438 0.00010531 deg
peri 138.437103865607 0.00010826 deg
i 2.400594500426349 3.7521e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1427  
   data-arc span      9864 days (27.01 yr)  
   first obs. used      1993-01-23  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55289  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:09:09  

Additional Information
 Jupiter MOID = 2.33253 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.76535106550141E-15 -4.962375753812148E-15 -1.46153281298569E-12 -9.485762824327443E-15 -3.422473099634075E-13 -4.110275729431484E-16
q -4.962375753812148E-15 1.407670177654416E-14 3.970257391834008E-12 2.665382833284697E-14 9.23706007832491E-13 1.327349430816986E-15
tp -1.46153281298569E-12 3.970257391834008E-12 1.282424304740073E-8 1.990764279639092E-11 2.866401622025253E-9 3.532337209625274E-13
node -9.485762824327443E-15 2.665382833284697E-14 1.990764279639092E-11 1.109091369628465E-8 -1.107648293571642E-8 -8.742400315039378E-11
peri -3.422473099634075E-13 9.23706007832491E-13 2.866401622025253E-9 -1.107648293571642E-8 1.172047813362364E-8 8.741905953336027E-11
i -4.110275729431484E-16 1.327349430816986E-15 3.532337209625274E-13 -8.742400315039378E-11 8.741905953336027E-11 1.40779768021045E-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

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