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392865 (2012 UW89)
Classification: Main-belt Asteroid          SPK-ID: 2392865
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07188079599267136 8.2901e-08  
a 2.797039210379576 4.0964e-08 au
q 2.595985805514779 2.1528e-07 au
i 5.972705110582506 9.9743e-06 deg
node 231.3527859317971 6.5403e-05 deg
peri 208.7468243841113 9.312e-05 deg
M 202.1126758977419 6.9314e-05 deg
tp 2459749.860888735418
(2022-Jun-19.36088874)
0.00033685 TDB
period 1708.62304164475
4.68
3.7536e-05
1.028e-07
d
yr
n .2106959763655404 4.6287e-09 deg/d
Q 2.998092615244373 4.3909e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      9342 days (25.58 yr)  
   first obs. used      1993-10-10  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:46:43  

Additional Information
 Earth MOID = 1.61321 au 
 Jupiter MOID = 2.20528 au 
 T_jup = 3.315 
[ 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 16.6   n/a MPO472034  

392865 (2012 UW89)          Discovered 2007-Oct-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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