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173546 (2000 XZ18)
Classification: Main-belt Asteroid          SPK-ID: 2173546
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287850171641621 4.4154e-08  
a 2.238199533661339 1.0236e-08 au
q 1.949952968301944 1.0018e-07 au
i 6.558453149888726 5.2413e-06 deg
node 337.8638083475888 3.5347e-05 deg
peri 160.2261150164764 4.1982e-05 deg
M 235.3466833161688 1.9563e-05 deg
tp 2459423.994686657526
(2021-Jul-28.49468666)
6.6422e-05 TDB
period 1223.056804684963
3.35
8.3898e-06
2.297e-08
d
yr
n .2943444643135192 2.0191e-09 deg/d
Q 2.526446099020734 1.1554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:04:40  

Additional Information
 Earth MOID = .964385 au 
 Jupiter MOID = 2.49115 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456918.5 (2014-Sep-18.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283792618402118 4.4055e-08  
q 1.95168676607753 1e-07 au
tp 2456976.397345657407
(2014-Nov-14.89734566)
6.8943e-05 TDB
node 337.9461746501796 3.5363e-05 deg
peri 160.0258447032774 4.2079e-05 deg
i 6.556289076166278 5.2394e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 13:04:40  

Additional Information
 Jupiter MOID = 2.49115 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.940828155800839E-15 -4.388241521862909E-15 8.018907943521015E-13 -1.538561182096095E-14 2.932485124799565E-13 -7.23742860705121E-15
q -4.388241521862909E-15 1.000089721899999E-14 -1.943389164765504E-12 3.304900941837091E-14 -7.075727043819477E-13 1.615578358352997E-14
tp 8.018907943521015E-13 -1.943389164765504E-12 4.753076265967574E-9 1.852273751252793E-11 1.582782931285212E-9 1.793230309309558E-12
node -1.538561182096095E-14 3.304900941837091E-14 1.852273751252793E-11 1.25054750969385E-9 -1.23524164037403E-9 5.844497172038502E-12
peri 2.932485124799565E-13 -7.075727043819477E-13 1.582782931285212E-9 -1.23524164037403E-9 1.770637865318504E-9 -5.122587807410425E-12
i -7.23742860705121E-15 1.615578358352997E-14 1.793230309309558E-12 5.844497172038502E-12 -5.122587807410425E-12 2.745097668974421E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO449898  

173546 (2000 XZ18)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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