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(2015 WF2)
Classification: Mars-crossing Asteroid          SPK-ID: 3735488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5362922738231342 5.3889e-07  
a 2.975318230106532 1.1519e-07 au
q 1.379678051135277 1.6122e-06 au
i 19.6528606616759 2.6625e-05 deg
node 20.02921627651796 4.0605e-05 deg
peri 324.2874991169933 0.00010045 deg
M 65.43108862286363 2.8007e-05 deg
tp 2459055.793666425520
(2020-Jul-25.29366643)
0.00016167 TDB
period 1874.556616255863
5.13
0.00010886
2.98e-07
d
yr
n .1920454132343276 1.1153e-08 deg/d
Q 4.570958409077788 1.7697e-07 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      1885 days (5.16 yr)  
   first obs. used      2015-11-19  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 15:21:11  

Additional Information
 Earth MOID = .417206 au 
 Jupiter MOID = 1.14014 au 
 T_jup = 2.951 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a E2021B25  

[ 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
1909-Dec-10 12:12 00:10 Jupiter 1.70639942734821 1.70635158239055 1.7064472722012 4.75489028579062 4.64932486204432 2418651.008057303 9.49396110164009 2288.55628182788 248.58925614913 -3.199467902683 63220.9985466362 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
1956-Dec-07 01:10 00:06 Jupiter 1.3354720292025 1.33544252743591 1.33550153161503 6.1667962455476 6.06307486904872 2435814.548940752 6.15812270352093 2105.05033763745 268.487097648579 -47.5613928983682 278126.605691691 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
1992-Oct-02 15:41 00:02 Jupiter 1.11506347420734 1.11505886302358 1.11506808539261 4.91119192008869 4.75400564497107 2448898.153517021 2.22186876910633 753.13480144269 215.237285428461 86.5949050626603 403711.244653806 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2025-Sep-19 06:26 < 00:01 Earth 0.452326308314977 0.452323528257139 0.452329088520684 10.7605290176893 10.7599815759166 2460937.767862814 0.218501465854293 637.624330397062 104.720356527495 -81.6944925198334 541820.444718145 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2028-Jul-27 04:10 00:05 Jupiter 1.37755525037832 1.37753873406345 1.3775717667354 4.58148311927063 4.44524916590008 2461979.673939891 4.65765806266426 910.306572203591 87.8343085214607 26.9906501732151 1148596.7864554 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2075-Jun-11 02:07 00:03 Jupiter 1.60290233079749 1.6028772025351 1.60292745924411 7.15304213120774 7.07878172372435 2479099.588376117 2.98916444894486 1532.15482835858 259.870946040387 -36.5638242901364 371612.591392873 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2111-May-05 04:45 00:03 Jupiter 1.09406036168951 1.0940555964081 1.09406512698037 5.33556629097584 5.18843578119005 2492210.698014478 3.19564009490221 769.550674492805 227.295258788796 -86.1860617822406 486871.425440071 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2118-Sep-27 11:32 00:02 Earth 0.458860807724289 0.458848291197364 0.458873341362535 10.7631379389178 10.7625984241085 2494912.980369531 1.53497724299122 4573.16549438465 137.766084321702 -82.341273450463 446046.769023591 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2147-Feb-20 06:25 00:08 Jupiter 1.16943654439879 1.16941914676359 1.1694539422471 4.80565474127842 4.65249590422169 2505285.767420175 7.51666724044052 1190.58005047673 172.984057838246 43.5368135516283 900076.920692414 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
2183-Jan-26 04:47 00:15 Jupiter 1.9491821384483 1.94911768864262 1.94924658818717 5.68543148038213 5.60847800781388 2518409.699390874 15.2429746186686 3162.07643773491 287.429535055757 -1.11719369009887 58406.1906582673 T 18 CATAB v2.0g-lin.ifort 2021-Apr-15 15:21:11 2021-Apr-15 15:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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