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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8846333167471393 1.7272e-07  
a 2.461840513390117 1.4259e-07 au
q .2840143747273376 4.361e-07 au
i 51.31916699060113 6.3838e-05 deg
node 261.340899408362 1.6384e-05 deg
peri 48.15836420743809 4.2844e-05 deg
M 256.9427272056456 0.00014244 deg
tp 2459604.391248722236
(2022-Jan-24.89124872)
0.00059329 TDB
period 1410.874221658717
3.86
0.00012258
3.356e-07
d
yr
n .255160945230653 2.2169e-08 deg/d
Q 4.639666652052896 2.6874e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:15  

Additional Information
 Earth MOID = .13013 au 
 Jupiter MOID = 2.44225 au 
 T_jup = 2.515 
[ 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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