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(2014 WZ120)
Classification: Apollo [NEO, PHA]          SPK-ID: 3697798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ 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 .6394964169486199 6.6608e-07  
a 2.212114097759204 3.4922e-06 au
q .797475058360664 2.1998e-07 au
i 20.90837306546962 2.6375e-05 deg
node 244.8224075856853 6.2861e-06 deg
peri 245.2036764014588 1.0063e-05 deg
M 228.132370266799 0.0014 deg
tp 2459440.695310257664
(2021-Aug-14.19531026)
0.0057159 TDB
period 1201.737773048484
3.29
0.0028457
7.791e-06
d
yr
n .2995661849646095 7.0937e-07 deg/d
Q 3.626753137157745 5.7254e-06 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      189 days  
   first obs. used      2014-11-21  
   last obs. used      2015-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .323  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Aug-10 06:18:36  

Additional Information
 Earth MOID = .0278416 au 
 Jupiter MOID = 2.04333 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457044.5 (2015-Jan-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6385825137437071 6.6019e-07  
q .7999717476262987 1.931e-07 au
tp 2457035.365594954546
(2015-Jan-12.86559495)
1.5377e-05 TDB
node 244.9218276610206 6.4551e-06 deg
peri 245.1447520864401 9.4248e-06 deg
i 20.9247283726033 2.6332e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      346  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      189 days  
   first obs. used      2014-11-21  
   last obs. used      2015-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .323  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Aug-10 06:18:36  

Additional Information
 Jupiter MOID = 2.04333 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.358509762241131E-13 -1.236683583812718E-13 -9.97467745253903E-12 9.75781562653914E-13 1.689344836008169E-12 -1.97698065056004E-12
q -1.236683583812718E-13 3.728701559148032E-14 2.710740363957332E-12 -2.695084062114924E-13 -7.899798365073312E-13 5.287850930261166E-13
tp -9.97467745253903E-12 2.710740363957332E-12 2.364565490832549E-10 -2.241733146307321E-11 -1.888778323554775E-11 4.576208698118979E-11
node 9.75781562653914E-13 -2.695084062114924E-13 -2.241733146307321E-11 4.166874303162807E-11 -3.300521474699893E-11 -1.293496603668183E-10
peri 1.689344836008169E-12 -7.899798365073312E-13 -1.888778323554775E-11 -3.300521474699893E-11 8.882713660234789E-11 1.102132136928418E-10
i -1.97698065056004E-12 5.287850930261166E-13 4.576208698118979E-11 -1.293496603668183E-10 1.102132136928418E-10 6.933635927688214E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.5   n/a MPO336655  
diameter diameter 0.297 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 3.361 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 132-136.]
geometric albedo albedo 0.126   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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