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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2164036463383242 8.4742e-08  
a 2.416768488821422 2.5281e-08 au
q 1.893770975484905 2.1427e-07 au
i 5.384987475085866 1.0991e-05 deg
node 19.541052235029 8.648e-05 deg
peri 25.70503735620141 9.3045e-05 deg
M 316.08997392712 3.6954e-05 deg
tp 2459167.883326922074
(2020-Nov-14.38332692)
0.00014271 TDB
period 1372.306124162466
3.76
2.1533e-05
5.895e-08
d
yr
n .2623321383337206 4.1162e-09 deg/d
Q 2.939766002157939 3.0752e-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 = .904468 au 
 Jupiter MOID = 2.47614 au 
 T_jup = 3.478 
[ 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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