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JPL Small-Body Database Browser
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347946 (2003 HE26)
Classification: Main-belt Asteroid          SPK-ID: 2347946
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09308480199995796 6.0423e-08  
a 3.098509807448339 3.5116e-08 au
q 2.810085635527082 1.8626e-07 au
i 2.663971521969055 6.0455e-06 deg
node 333.64741493944 0.00013255 deg
peri 190.69979463213 0.00013678 deg
M 86.34426916112285 3.4395e-05 deg
tp 2458522.686125209182
(2019-Feb-08.18612521)
0.00018776 TDB
period 1992.176164045231
5.45
3.3866e-05
9.272e-08
d
yr
n .1807069106122617 3.0719e-09 deg/d
Q 3.386933979369595 3.8384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      2003-04-25  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:34:01  

Additional Information
 Earth MOID = 1.81768 au 
 Jupiter MOID = 1.59241 au 
 T_jup = 3.214 
[ 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 16.2   n/a MPO476611  

347946 (2003 HE26)          Discovered 2003-Apr-25 by Spacewatch at Kitt Peak
Reference: 20121228/Numbers.arcLast Updated: 2013-01-02

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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
1941-Jul-28 16:00 00:04 Jupiter 1.98111550701377 1.98111324484247 1.98111776918473 3.44892299224353 3.32264552100183 2430204.166422699 3.83405589329953 112.245594721843 43.8642520088383 41.9340688736565 1089726.29159324 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
1951-May-20 04:08 00:04 Jupiter 1.58222818928087 1.58222749907418 1.58222887948694 1.88571199127382 1.57646415229124 2433786.672354091 3.51032055923751 215.631030146322 50.6656256652623 86.423626072952 1434132.28132006 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
1961-Mar-16 04:29 00:03 Jupiter 1.91923116358636 1.91922953515345 1.91923279201861 2.94850608292935 2.79482012811005 2437374.686568079 2.78326143761499 71.1766237428681 53.0569033359074 57.8821488501021 1051781.08550291 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2011-Sep-11 08:50 < 00:01 Jupiter 1.70242438550085 1.70242372968687 1.70242504131454 2.23131281098496 1.99591554752062 2455815.868192509 0.441893377994132 75.9510228120332 9.50375890736428 -84.3235491638694 1718338.20298788 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2021-Jun-26 04:07 < 00:01 Jupiter 1.68315568973369 1.68315501793621 1.68315636153098 2.23647609036566 1.99883858879701 2459391.671847453 0.5260567451833 92.2258440134148 19.2821747584015 85.7517060530442 1796380.34865487 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2071-Dec-27 23:19 00:03 Jupiter 1.93262328879125 1.93262174234858 1.9326248352337 3.21074232432448 3.07120728021373 2477838.471468403 3.00705894178475 82.699268228034 39.3309595221961 57.1560244012254 1264607.8679172 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2081-Oct-13 19:45 00:04 Jupiter 1.5799598174052 1.57995919353616 1.57996044127845 1.86795837102412 1.5546899394129 2481416.322595574 3.70808921913644 265.29423745392 52.7679862438941 84.8722822979763 1594217.2088037 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2091-Aug-13 22:05 00:04 Jupiter 1.97048962494996 1.97048723536122 1.97049201453769 3.16735969386706 3.02860690198173 2485007.420480966 4.03738917434343 101.927028619675 57.3994165229448 27.6229370587606 837290.541174743 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2142-Feb-08 01:04 00:07 Jupiter 1.66812383810927 1.66812146887917 1.66812620733604 2.08097721962435 1.82069411445091 2503447.544301348 7.16003695116806 139.700484548541 16.9151897350767 -86.8026238385324 761435.425394969 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34
2151-Nov-24 01:02 00:08 Jupiter 1.72074057537469 1.72073724036261 1.72074391038863 2.36675139773264 2.14872663776312 2507023.542874034 7.52937287054493 219.908038765384 34.8744564676546 -72.3608035000715 1170581.60326682 T 15 CATAB v2.0f-lin.ifort 2019-Sep-24 06:34:02 2019-Sep-24 06:34

Alternate Designations
 2003 HE26 = 2007 YS61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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