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525550 (2005 HW3)
Classification: Main-belt Asteroid          SPK-ID: 2525550
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492628700260129 1.4486e-07  
a 2.806992820102482 5.7537e-08 au
q 2.388013015631574 3.7335e-07 au
i 10.52391098543034 7.4776e-06 deg
node 66.23885122089705 5.9398e-05 deg
peri 153.9585472995687 8.721e-05 deg
M 71.77556704643541 5.5028e-05 deg
tp 2458658.020555041072
(2019-Jun-23.52055504)
0.00026768 TDB
period 1717.751670362275
4.70
5.2815e-05
1.446e-07
d
yr
n .2095762770669148 6.4438e-09 deg/d
Q 3.22597262457339 6.6125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      6517 days (17.84 yr)  
   first obs. used      2002-11-07  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:30:48  

Additional Information
 Earth MOID = 1.38389 au 
 Jupiter MOID = 1.77124 au 
 T_jup = 3.282 
[ 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 16.8   n/a MPO477470  

525550 (2005 HW3)          Discovered 2005-Apr-28 by Lowe, A. at Mayhill
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 2005 HW3 = 2010 EN148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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