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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 ]

[ hide orbit diagram ]

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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458246.5 (2018-May-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482359053147782 1.4494e-07  
q 2.389885308481209 3.7236e-07 au
tp 2458658.285363508276
(2019-Jun-23.78536351)		 0.00026952 TDB
node 66.26172543594254 5.9329e-05 deg
peri 154.0388837669638 8.7446e-05 deg
i 10.53062316493949 7.4847e-06 deg
   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
 Jupiter MOID = 1.77124 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.100864477916893E-14 -5.374400901854657E-14 -3.095060325921898E-11 -4.14134001167296E-13 -7.447213875919902E-12 -2.211882473940534E-14
q -5.374400901854657E-14 1.38652280346911E-13 8.004109672237718E-11 1.057901889641151E-12 1.917168436016901E-11 5.768565056018793E-14
tp -3.095060325921898E-11 8.004109672237718E-11 7.264252448184221E-8 7.417031998248002E-10 1.748365507250615E-8 3.78626381178402E-11
node -4.14134001167296E-13 1.057901889641151E-12 7.417031998248002E-10 3.519944743058604E-9 -3.274935017946231E-9 -1.539452340398223E-10
peri -7.447213875919902E-12 1.917168436016901E-11 1.748365507250615E-8 -3.274935017946231E-9 7.646881368592224E-9 1.609929361249609E-10
i -2.211882473940534E-14 5.768565056018793E-14 3.78626381178402E-11 -1.539452340398223E-10 1.609929361249609E-10 5.602055050986078E-11

[ 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

[ 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 19:06 00:08 Jupiter 1.98825364802601 1.98825000321695 1.98825729297025 2.43557405717324 2.25388428493847 2416431.296064733 8.29154459426147 914.931242325355 35.080236710614 -80.8873855655715 815662.30156842 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30
2012-Oct-21 21:52 < 00:01 Jupiter 1.89072762783073 1.89072670134879 1.89072855431578 3.18189770509587 3.03784427235511 2456222.411113987 0.771611980859506 181.455271077628 21.9180163966396 -79.1962817028879 1562001.16242057 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30
2036-Feb-14 19:55 00:02 Jupiter 1.80248754683732 1.80248693681757 1.80248815685922 2.99644724203565 2.83528812874789 2464738.330053141 2.15191975264088 210.454608986717 18.4787873481651 -83.6284170863421 1572404.56577501 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30
2059-Jun-20 18:33 00:04 Jupiter 1.76509891562579 1.76509768759855 1.76510014366547 2.82469511422584 2.64936924387862 2473265.272752705 4.45703990852481 358.374690910894 37.2113776726365 -81.5158482111857 1278876.61586288 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30
2082-Oct-27 20:48 00:07 Jupiter 1.78484892345186 1.78484596588239 1.78485188125599 2.67765134899953 2.49413142803582 2481795.366722254 7.37184955890455 1125.10161925223 35.6820072968051 -82.1505544315879 1068409.55152349 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30
2106-Feb-21 16:06 00:11 Jupiter 1.85912576719212 1.85911977191949 1.85913176380602 2.55679156109407 2.37191439678053 2490312.170892567 10.9779594726795 2635.4336472194 35.3403019003361 -83.6412634518498 957630.710535791 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30
2129-May-30 08:13 00:15 Jupiter 1.97226394710138 1.9722546413241 1.97227325376545 2.57622499786498 2.40374728311379 2498810.842336530 14.8651212999554 2223.45329197681 35.9565836980349 -80.6675692259437 1007577.21470581 T 22 CATAB v2.0f-lin.ifort 2020-Nov-11 22:30:48 2020-Nov-11 22:30

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