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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6398839248862125 6.7967e-07  
a 2.211565390759099 3.4397e-06 au
q .7964202483776565 2.6866e-07 au
i 20.90935944298743 2.6343e-05 deg
node 244.7847628867728 6.8448e-06 deg
peri 245.2658030249106 1.1966e-05 deg
M 346.7903715550187 0.00168 deg
tp 2459440.579453926383
(2021-Aug-14.07945393)
0.0057089 TDB
period 1201.290670634033
3.29
0.0028026
7.673e-06
d
yr
n .2996776790166817 6.9913e-07 deg/d
Q 3.626710533140541 5.6406e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .31324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 11:50:20  

Additional Information
 Earth MOID = .0271903 au 
 Jupiter MOID = 2.04401 au 
 T_jup = 3.289 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457045.5 (2015-Jan-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6385823914068417 6.6004e-07  
q .7999716975727427 1.93e-07 au
tp 2457035.365578004302
(2015-Jan-12.86557800)
1.5365e-05 TDB
node 244.9218036841494 6.4455e-06 deg
peri 245.1447516922441 9.3713e-06 deg
i 20.92472223641406 2.6297e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .31324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 11:50:20  

Additional Information
 Jupiter MOID = 2.04401 au 
 T_jup = 3.289 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.3565620134986E-13 -1.236492919658086E-13 -9.968058693897828E-12 9.711639779188764E-13 1.697802729498737E-12 -1.959210876167756E-12
q -1.236492919658086E-13 3.72485475491416E-14 2.712303630740142E-12 -2.683552608691399E-13 -7.859727104887815E-13 5.243787992972935E-13
tp -9.968058693897828E-12 2.712303630740142E-12 2.360980382617834E-10 -2.230342744198169E-11 -1.946670924531773E-11 4.532215039843493E-11
node 9.711639779188764E-13 -2.683552608691399E-13 -2.230342744198169E-11 4.15443475048995E-11 -3.289663944280896E-11 -1.288744125307141E-10
peri 1.697802729498737E-12 -7.859727104887815E-13 -1.946670924531773E-11 -3.289663944280896E-11 8.782114198362843E-11 1.097942154315268E-10
i -1.959210876167756E-12 5.243787992972935E-13 4.532215039843493E-11 -1.288744125307141E-10 1.097942154315268E-10 6.915498957061119E-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. 2020-October); 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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