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434633 (2005 WB1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2434633
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3553302114800241 2.8348e-07  
a 1.2638018746971 2.3621e-08 au
q .8147348872921287 3.7294e-07 au
i 22.88232888327357 2.069e-05 deg
node 61.42919031403892 9.6979e-06 deg
peri 265.69562283 4.6621e-05 deg
M 134.2538316106311 6.846e-05 deg
tp 2458806.973203218743
(2019-Nov-19.47320322)
9.4928e-05 TDB
period 518.9397278679646
1.42
1.4549e-05
3.983e-08
d
yr
n .6937221813389394 1.9449e-08 deg/d
Q 1.712868862102072 3.2014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      3625 days (9.92 yr)  
   first obs. used      2005-11-21  
   last obs. used      2015-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51553  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:20:48  

Additional Information
 Earth MOID = .0463748 au 
 Jupiter MOID = 3.75525 au 
 T_jup = 4.966 
[ 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 20.9   n/a MPO249895  
diameter diameter 0.310 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.039   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

434633 (2005 WB1)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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