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437398 (2013 WZ63)
Classification: Main-belt Asteroid          SPK-ID: 2437398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1365555263050033 1.613e-07  
a 2.614703947038853 4.5992e-08 au
q 2.257651673419193 4.4351e-07 au
i 11.25556931792277 8.6312e-06 deg
node 95.36855642521779 5.7336e-05 deg
peri 328.9023934487134 7.0494e-05 deg
M 248.5190230290119 4.2937e-05 deg
tp 2459678.723017942326
(2022-Apr-09.22301794)
0.00019123 TDB
period 1544.301917124752
4.23
4.0746e-05
1.116e-07
d
yr
n .2331150379391249 6.1507e-09 deg/d
Q 2.971756220658513 5.2272e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      3432 days (9.40 yr)  
   first obs. used      2009-11-10  
   last obs. used      2019-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:27  

Additional Information
 Earth MOID = 1.27898 au 
 Jupiter MOID = 2.31887 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388684740145398 1.6081e-07  
q 2.248339077809711 4.4199e-07 au
tp 2456595.843240737505
(2013-Oct-30.34324074)
0.00015433 TDB
node 95.38208287389574 5.7319e-05 deg
peri 329.172541630131 7.0021e-05 deg
i 11.26296849302947 8.65e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      3432 days (9.40 yr)  
   first obs. used      2009-11-10  
   last obs. used      2019-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56646  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:26:27  

Additional Information
 Jupiter MOID = 2.31887 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.585860321042224E-14 -7.086495765969543E-14 -1.726870004319689E-11 -6.094401533367454E-13 -4.93785342697792E-12 -8.391013239833314E-15
q -7.086495765969543E-14 1.953525764042566E-13 4.620434577838412E-11 1.688614922456996E-12 1.335804547386937E-11 2.39264454535725E-14
tp -1.726870004319689E-11 4.620434577838412E-11 2.381831208390851E-8 4.11404826948949E-10 6.376311797420228E-9 -3.083456239335633E-12
node -6.094401533367454E-13 1.688614922456996E-12 4.11404826948949E-10 3.285506462595815E-9 -3.087896751213238E-9 -2.809720435355997E-10
peri -4.93785342697792E-12 1.335804547386937E-11 6.376311797420228E-9 -3.087896751213238E-9 4.902950017731494E-9 2.755240993959847E-10
i -8.391013239833314E-15 2.39264454535725E-14 -3.083456239335633E-12 -2.809720435355997E-10 2.755240993959847E-10 7.482240613561196E-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 17.1   n/a MPO437696  

437398 (2013 WZ63)          Discovered 2009-Nov-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

Alternate Designations
 2013 WZ63 = 2009 YG21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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