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173536 (2000 WX77)
Classification: Main-belt Asteroid          SPK-ID: 2173536
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 .1257799175187368 3.5338e-08  
a 2.234241106242997 8.9755e-09 au
q 1.953218444182781 7.9559e-08 au
i 5.511481955963214 4.7467e-06 deg
node 28.31126980853122 3.9294e-05 deg
peri 53.68610394760515 4.542e-05 deg
M 286.7148965986485 2.0119e-05 deg
tp 2459248.817134394127
(2021-Feb-03.31713439)
6.7993e-05 TDB
period 1219.813635143715
3.34
7.3505e-06
2.012e-08
d
yr
n .2951270502543495 1.7784e-09 deg/d
Q 2.515263768303212 1.0104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7328 days (20.06 yr)  
   first obs. used      2000-10-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:10  

Additional Information
 Earth MOID = .974598 au 
 Jupiter MOID = 2.69169 au 
 T_jup = 3.623 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457304.5 (2015-Oct-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260897393400827 3.5492e-08  
q 1.952501524495634 7.992e-08 au
tp 2456806.603549921794
(2014-May-29.10354992)
7.0651e-05 TDB
node 28.38826960989604 3.9233e-05 deg
peri 53.07606416153664 4.5349e-05 deg
i 5.51647753753673 4.7499e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      7328 days (20.06 yr)  
   first obs. used      2000-10-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56267  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 23:26:10  

Additional Information
 Jupiter MOID = 2.69169 au 
 T_jup = 3.623 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.259651279055733E-15 -2.822996749912412E-15 -6.603681146295696E-13 7.543784452128537E-16 -2.347124311921099E-13 -1.191850400581901E-15
q -2.822996749912412E-15 6.387194330387308E-15 1.315332344410566E-12 -1.662485270496956E-15 4.80185031614609E-13 2.959414646019859E-15
tp -6.603681146295696E-13 1.315332344410566E-12 4.991627427789509E-9 -3.421662669095918E-12 1.614857020004012E-9 -4.201684812243464E-12
node 7.543784452128537E-16 -1.662485270496956E-15 -3.421662669095918E-12 1.539234621246411E-9 -1.532580638609469E-9 -2.434311606434889E-11
peri -2.347124311921099E-13 4.80185031614609E-13 1.614857020004012E-9 -1.532580638609469E-9 2.056529239397116E-9 2.296230240059732E-11
i -1.191850400581901E-15 2.959414646019859E-15 -4.201684812243464E-12 -2.434311606434889E-11 2.296230240059732E-11 2.256164267956064E-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 16.7   n/a MPO436861  

173536 (2000 WX77)          Discovered 2000-Nov-20 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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