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JPL Small-Body Database Browser
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469899 (2005 WY54)
Classification: Main-belt Asteroid          SPK-ID: 2469899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2443994509353039 1.642e-07  
a 2.389250038367461 1.5163e-08 au
q 1.8053186408433 3.987e-07 au
i 5.458803779906644 9.164e-06 deg
node 35.70607046706753 8.2391e-05 deg
peri 320.6624723717695 8.7455e-05 deg
M 359.5767937352321 1.6828e-05 deg
tp 2459002.085770799898
(2020-Jun-01.58577080)
6.3056e-05 TDB
period 1348.934397926488
3.69
1.2841e-05
3.516e-08
d
yr
n .26687732224293 2.5405e-09 deg/d
Q 2.973181435891622 1.8869e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      8998 days (24.64 yr)  
   first obs. used      1994-10-13  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68273  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:47  

Additional Information
 Earth MOID = .805481 au 
 Jupiter MOID = 2.48028 au 
 T_jup = 3.486 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO477210  

469899 (2005 WY54)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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