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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495065687805658 1.4547e-07  
a 2.805058620997057 5.7273e-08 au
q 2.385683931343441 3.7495e-07 au
i 10.52309246082711 7.4786e-06 deg
node 66.2100893431498 5.9429e-05 deg
peri 153.7226235072211 8.7082e-05 deg
M 113.9669262595755 5.4231e-05 deg
tp 2458657.265086665229
(2019-Jun-22.76508667)
0.00026633 TDB
period 1715.976513704441
4.70
5.2554e-05
1.439e-07
d
yr
n .2097930811551925 6.4252e-09 deg/d
Q 3.224433310650673 6.5835e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57692  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 19:30:10  

Additional Information
 Earth MOID = 1.38054 au 
 Jupiter MOID = 1.77152 au 
 T_jup = 3.283 
[ 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 16.96   n/a E2021B25  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1903-Nov-12 19:05 00:08 Jupiter 1.98825420885952 1.98825056343268 1.98825785442153 2.43557502515785 2.25388538531372 2416431.295365074 8.29285757129004 915.081538676803 35.080000137628 -80.8874783074262 815663.368205739 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30
2012-Oct-21 21:52 < 00:01 Jupiter 1.89072760188961 1.89072667540801 1.89072852837433 3.18189776982122 3.03784433894107 2456222.411112858 0.771611935551551 181.455228668963 21.9180184478576 -79.196283723701 1562001.404584 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30
2036-Feb-14 19:55 00:02 Jupiter 1.80248754379753 1.80248693377767 1.80248815381953 2.99644715164034 2.83528803385056 2464738.330013836 2.15192654903188 210.454751589271 18.4788181226907 -83.6284249906398 1572404.93919947 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30
2059-Jun-20 18:33 00:04 Jupiter 1.7650989388185 1.76509771078341 1.76510016686602 2.82469484725279 2.64936896261877 2473265.272672923 4.45711850011384 358.374506781139 37.2119936307616 -81.5157956574344 1278878.65106397 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30
2082-Oct-27 20:48 00:07 Jupiter 1.78484900810807 1.78484605045132 1.78485196599949 2.6776508760365 2.49413093034764 2481795.366591518 7.37215363731853 1125.1304586692 35.6823912080917 -82.1504790854546 1068411.28676516 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30
2106-Feb-21 16:06 00:11 Jupiter 1.85912597483616 1.85911997918094 1.85913197183276 2.55679104684474 2.37191386496301 2490312.170658343 10.9787652687398 2635.60231268177 35.3404019363024 -83.6412275231525 957631.502788478 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30
2129-May-30 08:12 00:15 Jupiter 1.97226431716905 1.97225501039572 1.97227362482939 2.5762250736716 2.40374739887092 2498810.841978464 14.8668293883671 2223.69388221913 35.9566138305979 -80.6675203315682 1007576.96220471 T 23 CATAB v2.0g-lin.ifort 2021-Apr-14 19:30:11 2021-Apr-14 19:30

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