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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1492627330652145 2.8861e-07  
a 2.806992814776459 5.9406e-08 au
q 2.388013395548505 8.0426e-07 au
i 10.52391841449683 1.2039e-05 deg
node 66.23880675496507 7.5654e-05 deg
peri 153.9585232411957 0.00015041 deg
M 71.77561138688992 8.8315e-05 deg
tp 2458658.020344443894
(2019-Jun-23.52034444)
0.00042666 TDB
period 1717.751665473351
4.70
5.4531e-05
1.493e-07
d
yr
n .2095762776633938 6.6531e-09 deg/d
Q 3.225972234004413 6.8274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6052 days (16.57 yr)  
   first obs. used      2002-11-07  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:41:31  

Additional Information
 Earth MOID = 1.38389 au 
 Jupiter MOID = 1.77124 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457861.5 (2017-Apr-18.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480829298991622 2.9004e-07  
q 2.391017918347945 8.0352e-07 au
tp 2458657.946243622884
(2019-Jun-23.44624362)
0.00043182 TDB
node 66.26062820771475 7.5573e-05 deg
peri 153.9251468176669 0.00015136 deg
i 10.52965514102443 1.2053e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6052 days (16.57 yr)  
   first obs. used      2002-11-07  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:41:31  

Additional Information
 Jupiter MOID = 1.77124 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.412119718552097E-14 -2.326214119727222E-13 5.236532951042475E-11 -5.745983055478307E-13 1.943789034579315E-11 -1.233763804196696E-13
q -2.326214119727222E-13 6.456461970189651E-13 -1.562927849542777E-10 1.706382772408695E-12 -5.727147451821954E-11 3.045973933503273E-13
tp 5.236532951042475E-11 -1.562927849542777E-10 1.864689726840616E-7 -2.022680634790701E-9 5.654181624351645E-8 4.311700161117215E-10
node -5.745983055478307E-13 1.706382772408695E-12 -2.022680634790701E-9 5.711284261717149E-9 -6.209582814611786E-9 -5.934668874685915E-10
peri 1.943789034579315E-11 -5.727147451821954E-11 5.654181624351645E-8 -6.209582814611786E-9 2.290897606734568E-8 6.972741600004871E-10
i -1.233763804196696E-13 3.045973933503273E-13 4.311700161117215E-10 -5.934668874685915E-10 6.972741600004871E-10 1.452636819283173E-10

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

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