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385402 (2002 WZ2)
Classification: Apollo [NEO]          SPK-ID: 2385402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8845759449925052 1.7288e-07  
a 2.462034378931242 1.415e-07 au
q .2841779915841028 4.3646e-07 au
i 51.32983045241363 6.3847e-05 deg
node 261.3604704392685 1.6374e-05 deg
peri 48.141037997737 4.2843e-05 deg
M 205.9354696254237 0.00013774 deg
tp 2459604.364862834880
(2022-Jan-24.86486284)
0.00059184 TDB
period 1411.040880675223
3.86
0.00012164
3.33e-07
d
yr
n .2551308079945421 2.1994e-08 deg/d
Q 4.639890766278381 2.6666e-07 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      4077 days (11.16 yr)  
   first obs. used      2002-11-22  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50775  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:40:08  

Additional Information
 Earth MOID = .130753 au 
 Jupiter MOID = 2.44188 au 
 T_jup = 2.514 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO193943  
diameter diameter 1.597 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.110   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

385402 (2002 WZ2)          Discovered 2002-Nov-23 by NEAT at Palomar
Reference: Last Updated: 2014-02-19

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