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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1280916706519293 4.4345e-08  
a 2.239481087955849 1.0488e-08 au
q 1.952622214006184 1.0058e-07 au
i 6.555103690325484 5.2655e-06 deg
node 337.8914480596612 3.5622e-05 deg
peri 160.2455419302117 4.2457e-05 deg
M 117.6105543652386 1.9937e-05 deg
tp 2458200.589025801455
(2018-Mar-23.08902580)
6.8159e-05 TDB
period 1224.107406758623
3.35
8.5992e-06
2.354e-08
d
yr
n .2940918403175606 2.066e-09 deg/d
Q 2.526339961905514 1.1831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2000-11-19  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:08:00  

Additional Information
 Earth MOID = .967489 au 
 Jupiter MOID = 2.49258 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456843.5 (2014-Jul-05.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283162427064356 4.4242e-08  
q 1.951589076347586 1.003e-07 au
tp 2456976.530565072492
(2014-Nov-15.03056507)
6.969e-05 TDB
node 337.9494341554433 3.5621e-05 deg
peri 160.0733993331896 4.246e-05 deg
i 6.556028341974445 5.2657e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2000-11-19  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:08:00  

Additional Information
 Jupiter MOID = 2.49258 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.957384161659897E-15 -4.419698316832595E-15 7.703219482961992E-13 -1.58374646031488E-14 2.816586067315303E-13 -7.369733562211054E-15
q -4.419698316832595E-15 1.006061433065255E-14 -1.885448485509685E-12 3.406640682066392E-14 -6.863909094152509E-13 1.640290098105007E-14
tp 7.703219482961992E-13 -1.885448485509685E-12 4.856638052414897E-9 1.84489156182215E-11 1.621017815264463E-9 2.240284100747313E-12
node -1.58374646031488E-14 3.406640682066392E-14 1.84489156182215E-11 1.268882815169736E-9 -1.253445223547351E-9 4.456850231648802E-12
peri 2.816586067315303E-13 -6.863909094152509E-13 1.621017815264463E-9 -1.253445223547351E-9 1.802829517115848E-9 -3.579041559314098E-12
i -7.369733562211054E-15 1.640290098105007E-14 2.240284100747313E-12 4.456850231648802E-12 -3.579041559314098E-12 2.772743382567522E-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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