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JPL Small-Body Database Browser
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392141 (2009 HW15)
Classification: Main-belt Asteroid          SPK-ID: 2392141
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05340178497620357 6.4245e-08  
a 3.123196280431267 6.8277e-08 au
q 2.956412024225198 2.3653e-07 au
i 12.09110390741175 9.3236e-06 deg
node 156.0036752848833 3.0898e-05 deg
peri 268.2081823030204 9.3653e-05 deg
M 59.3629047594845 8.6068e-05 deg
tp 2458268.062515023131
(2018-May-29.56251502)
0.00048404 TDB
period 2016.031645967453
5.52
6.6109e-05
1.81e-07
d
yr
n .1785686255074847 5.8556e-09 deg/d
Q 3.289980536637337 7.1923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      9386 days (25.70 yr)  
   first obs. used      1992-03-06  
   last obs. used      2017-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63164  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:10:36  

Additional Information
 Earth MOID = 2.00116 au 
 Jupiter MOID = 1.8938 au 
 T_jup = 3.179 
[ 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 15.8   n/a MPO427953  

392141 (2009 HW15)          Discovered 2009-Jan-19 by Mt. Lemmon Survey at Mount Lemmon
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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