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JPL Small-Body Database Browser
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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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)  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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