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488693 (2003 WW87)
Classification: Amor [NEO]          SPK-ID: 2488693
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5693296589341268 1.5409e-07  
a 2.60118916306523 2.4994e-08 au
q 1.120255024034156 3.9707e-07 au
i 46.82325742848526 3.053e-05 deg
node 46.09554273414695 3.5982e-05 deg
peri 349.2670924619542 4.5809e-05 deg
M 339.29667152305 2.2256e-05 deg
tp 2459088.623959611535
(2020-Aug-27.12395961)
9.5792e-05 TDB
period 1532.344207139116
4.20
2.2086e-05
6.047e-08
d
yr
n .234934160564433 3.3861e-09 deg/d
Q 4.082123302096305 3.9224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-10-15  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4463  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-14 06:56:03  

Additional Information
 Earth MOID = .1365 au 
 Jupiter MOID = 1.38571 au 
 T_jup = 2.796 
[ 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 17.0   n/a MPO260743  

488693 (2003 WW87)          Discovered 2003-Nov-24 by LONEOS at Anderson Mesa
Reference: Last Updated: 2017-05-15

[ 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
1915-Nov-10 13:34 00:01 Earth 0.134251699535891 0.134240117734153 0.134263286843126 26.6994391704389 26.6986958150892 2420812.065388635 1.2243165052549 1480.96390375981 62.2350534535798 67.1612978514901 298032.270419227 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
1935-Jan-04 11:50 00:02 Jupiter 1.43619029871523 1.43618813354389 1.43619246390754 9.38100876135385 9.31792812786788 2427806.992883956 1.56075572837304 383.903409651151 72.1799318372948 -77.743821500458 1878077.72459121 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
1936-Nov-04 15:15 < 00:01 Earth 0.139121151468087 0.139111462308009 0.139130842596424 26.4855023796359 26.4847792487572 2428477.135105175 0.834562435888003 961.152753388255 56.3965273504976 -59.9891078800623 319990.563180333 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
1947-May-10 23:19 00:02 Jupiter 1.74625672904687 1.74625079224986 1.74626266584874 9.39811726901266 9.34636332551633 2432316.471761288 1.51329120139801 343.981872881487 160.556121134424 35.5000246090546 702270.794574376 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2006-Apr-03 06:59 00:01 Jupiter 1.39478909075879 1.39478800696431 1.39479017455352 9.2510861579568 9.18520779711105 2453828.790756590 1.24320555653853 272.855512730423 53.8130735431176 -88.7723064652054 1820508.62264541 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2018-Aug-06 12:39 00:01 Jupiter 1.8786425365314 1.87863862864518 1.87864644442051 9.69311191571685 9.64648535595896 2458337.026795251 1.27846981456707 257.69572985055 138.75709579285 51.1462648752087 983863.437289437 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2024-Nov-12 10:33 < 00:01 Earth 0.197179543929377 0.197175619343117 0.19718346864348 27.0923143304095 27.0918155511444 2460626.939891479 0.292577064129216 327.194424674892 58.1660080494896 54.5248974615024 415779.513977203 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2045-Nov-11 06:17 < 00:01 Earth 0.175317258536386 0.17531113459304 0.17532338321108 26.7384372432684 26.7378688403736 2468295.761852627 0.541813202947699 650.313007786529 55.2949227345723 62.3850432403674 421466.906044814 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2066-Nov-11 17:52 < 00:01 Earth 0.166809056338719 0.166799063886526 0.16681905049037 26.9899692002947 26.9893773728458 2475966.244747456 0.84328744167922 980.710133644055 54.4902623365117 59.6114957669501 396068.35698804 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2077-Jul-02 06:56 00:02 Jupiter 1.37765115110525 1.3776500996432 1.37765220256738 9.17830566527681 9.11107200378312 2479851.788610583 1.77332919502454 305.834332258919 52.1205299185656 89.2845115423727 1642904.96693435 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2087-Oct-27 21:27 00:01 Earth 0.365550320183097 0.365528844610888 0.365571796237382 27.0310336019378 27.0307639492821 2483621.393908896 1.13880814198978 1259.54899374725 60.8123007138095 -31.8043880020249 464429.374020901 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2108-Oct-28 06:10 00:01 Earth 0.384772579640044 0.384745504493049 0.38479965560874 26.8285037164754 26.8282456010977 2491291.756838021 1.37238790479714 1615.73312861396 58.6907743786632 -33.3439399383681 526263.961526722 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2129-Oct-28 07:47 00:02 Earth 0.381942359934593 0.381912019313416 0.381972701518756 26.9676304912998 26.9673718047648 2498961.824532202 1.55991845914212 1790.27733276343 58.5418698333854 -32.3354053717524 509977.517866272 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2136-May-22 22:57 00:03 Jupiter 1.82856893811217 1.82856146412132 1.82857641212057 10.1964008073062 10.1508697797181 2501360.455933296 2.56770487327821 487.242454253087 160.209564751576 -43.2481425382017 856768.079227184 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2148-Oct-03 16:17 00:02 Jupiter 1.4006886433529 1.40068672781468 1.40069055892441 9.18808294392661 9.12202997840061 2505877.178720584 2.46200622163573 399.961297512517 44.7898551059827 77.7240144657839 1590068.92674369 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2175-Nov-20 10:29 00:02 Earth 0.382546550264473 0.382512368318909 0.382580735638351 28.2992161263532 28.298970001455 2515785.936587447 1.81807230328322 2484.19117289407 62.1725767927023 46.690730497076 660664.711134412 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
2196-Nov-23 08:39 00:02 Earth 0.475179372567417 0.475144322578598 0.475214425067512 29.4891624902187 29.4889723413531 2523459.860178985 1.86829774336445 2455.12354429365 73.6359622099021 44.6338300802939 664473.17619515 T 33 CATAB v2.0f-lin.ifort 2020-Sep-14 06:56:17 2020-Sep-14 06:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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