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JPL Small-Body Database Browser
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469901 (2005 WA89)
Classification: Main-belt Asteroid          SPK-ID: 2469901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168835529058112 8.5399e-08  
a 2.418464156145351 2.5663e-08 au
q 1.893939057385193 2.1652e-07 au
i 5.387999557259787 1.0989e-05 deg
node 19.65084515995212 8.6384e-05 deg
peri 25.34451715496794 9.2874e-05 deg
M 211.5636156568939 3.5538e-05 deg
tp 2459166.929385661716
(2020-Nov-13.42938566)
0.00014205 TDB
period 1373.750645710121
3.76
2.1865e-05
5.986e-08
d
yr
n .2620562917471157 4.1711e-09 deg/d
Q 2.942989254905509 3.1228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4530 days (12.40 yr)  
   first obs. used      2005-10-23  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57181  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:47:22  

Additional Information
 Earth MOID = .903996 au 
 Jupiter MOID = 2.47223 au 
 T_jup = 3.477 
[ 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 17.5   n/a MPO437771  

469901 (2005 WA89)          Discovered 2005-Oct-23 by CSS at Catalina
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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