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152489 (2005 WE89)
Classification: Main-belt Asteroid          SPK-ID: 2152489
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01718878239010816 4.1145e-08  
a 3.005858282031846 2.165e-08 au
q 2.954191238126497 1.18e-07 au
i 7.993187495387541 4.0771e-06 deg
node 66.9716061191756 2.9958e-05 deg
peri 177.9842172035718 0.00013386 deg
M 141.1769252009334 0.00013225 deg
tp 2458454.029934916252
(2018-Dec-01.52993492)
0.00069727 TDB
period 1903.492536387758
5.21
2.0565e-05
5.63e-08
d
yr
n .189126037070347 2.0433e-09 deg/d
Q 3.057525325937196 2.2022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      7794 days (21.34 yr)  
   first obs. used      1999-09-05  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5684  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:20  

Additional Information
 Earth MOID = 1.93885 au 
 Jupiter MOID = 1.93094 au 
 T_jup = 3.236 
[ 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 14.8   n/a MPO439909  

152489 (2005 WE89)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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