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408751 (1987 SF3)
Classification: Amor [NEO]          SPK-ID: 2408751
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5344473308858815 2.5094e-08  
a 2.251983660770981 7.1465e-09 au
q 1.048417004073314 5.639e-08 au
i 3.346540146842186 3.4082e-06 deg
node 186.9978970688917 4.9549e-05 deg
peri 134.5692935448034 5.0371e-05 deg
M 253.6461026836415 4.9087e-06 deg
tp 2459365.167607732794
(2021-May-30.66760773)
1.7974e-05 TDB
period 1234.372619118054
3.38
5.8758e-06
1.609e-08
d
yr
n .2916461321519074 1.3883e-09 deg/d
Q 3.455550317468647 1.0966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      10015 days (27.42 yr)  
   first obs. used      1987-07-18  
   last obs. used      2014-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44559  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-24 07:23:10  

Additional Information
 Earth MOID = .0547239 au 
 Jupiter MOID = 1.91253 au 
 T_jup = 3.421 
[ 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 19.0   n/a MPO315133  
diameter diameter 0.399 km 0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 21.0 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.]
geometric albedo albedo 0.278   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

408751 (1987 SF3)          Discovered 1987-Sep-26 by Shoemaker, C. S., Shoemaker, E. M. at Palomar
Reference: Last Updated: 2014-10-09

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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
1906-Sep-11 16:08 00:26 Earth 0.155519229124569 0.15535257472364 0.155685895354479 10.5563405569617 10.5547174458214 2417465.171940833 25.9066001676302 8581.52112124677 8.95972046522984 -14.4673066607181 519440.261165936 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1908-Mar-26 10:02 00:22 Jupiter 1.90860255652633 1.90860234379897 1.9086027692641 1.71393403456386 1.4317771845604 2418026.917833189 22.0022605371838 569.40611941803 31.2695424309111 86.5848926904913 6040632.74944722 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1931-Oct-11 14:11 00:08 Jupiter 1.92991470044963 1.92991362706721 1.92991577383118 1.70662584800977 1.42646046224585 2426626.090987558 7.97873592169439 100.642266436539 41.9806383896815 47.006102357209 1940653.17005713 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1933-Aug-28 04:54 00:15 Earth 0.0681380552011654 0.0681151672893124 0.0681609526511105 7.45524255881463 7.44999552695621 2427312.704208176 15.4225245890512 1708.93997318183 8.89644709180435 -48.1243711689211 737793.094892763 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1955-May-08 09:01 00:02 Jupiter 1.98007453358895 1.98007354326079 1.98007552391683 1.66494771833112 1.38437885403328 2435235.875698820 2.23578768683123 49.4609678225887 40.7515006446893 -5.59315155290104 2702469.40854842 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1960-Aug-21 17:26 00:03 Earth 0.0566638426118358 0.0566629319413807 0.0566647534814014 6.94720122237822 6.94042935920714 2437168.226595117 2.91091310267117 176.809556512485 8.88215263409856 -75.4207248107045 898833.607374286 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1980-Aug-08 21:46 < 00:01 Mars 0.0993419268270551 0.0993397137162855 0.0993441399891497 11.5292476119193 11.5289976479866 2444460.406623984 0.399196978673735 158.207994307468 12.7820719658181 -45.9619593587161 824105.125221236 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
1987-Aug-30 21:08 < 00:01 Earth 0.0639690720133451 0.0639680434186446 0.0639701006264268 7.68309361626753 7.67767036800821 2447038.380286050 0.657623322545042 75.1539185691434 8.9351485847847 -47.4340950210156 703399.660252156 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2014-Sep-17 10:34 < 00:01 Earth 0.162898313816512 0.162898055652857 0.162898571980168 11.4927957302938 11.4913724285774 2456917.940030020 0.0745899824855967 12.8735912534934 8.57429318347304 -0.615143981334352 1767802.69254359 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2028-Jun-01 01:35 < 00:01 Mars 0.0898083397859519 0.0898072782347973 0.089809401340532 11.8890909498336 11.8888228196123 2461923.566103685 0.138859660723854 60.0499666020216 11.6307064674191 28.7681561453815 579321.529145367 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2031-Jun-22 17:02 < 00:01 Earth 0.381212702034311 0.381211234296299 0.381214169772474 18.0007252652042 18.0003369721031 2463040.209730182 0.137925652030089 74.1094229633127 10.6483530216258 -9.13911939259242 973454.370637188 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2041-Sep-28 00:14 < 00:01 Earth 0.313142008075661 0.313139823625998 0.313144192525396 15.9789776819925 15.9784451701493 2466790.509563742 0.213245173308513 109.218217955505 8.66655219879529 -4.20966864772331 489818.184483775 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2058-Jun-27 06:11 < 00:01 Earth 0.307344027709274 0.307341230426827 0.307346824992543 15.848818346091 15.8482713324135 2472906.757431553 0.283896829087174 141.736891012116 10.4650900237258 -10.2586758216248 708609.699876804 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2068-Oct-01 20:22 < 00:01 Earth 0.364549338610534 0.364546406504288 0.364552270716841 17.6624674238335 17.6620536054729 2476656.348928552 0.268728138174314 146.424238303139 8.56737963500455 -3.11908798813438 432258.986559331 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2085-Jun-24 05:32 < 00:01 Earth 0.350126800626678 0.350124237824267 0.350129363429645 17.1847214577397 17.1842786144176 2482765.730422133 0.247523098130818 129.698432044966 10.6616538989671 -9.86803901192948 791855.77800961 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2095-Oct-02 11:58 < 00:01 Earth 0.361269740983099 0.361267580577728 0.361271901388491 17.5119010670393 17.5114799016285 2486517.998491657 0.223416490119045 107.891927768849 8.52378290436013 -3.174153204314 517648.673179233 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2112-Apr-14 01:12 < 00:01 Mars 0.0806078742581569 0.0806076096346311 0.0806081388827595 10.6350227614227 10.6346887993763 2492555.550126972 0.207643686604468 50.055705726737 12.5711422408946 -85.2510141933115 952736.230384175 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2112-Jun-26 12:03 < 00:01 Earth 0.355220370013797 0.35521887504053 0.355221864987307 17.0357107273742 17.0352704160552 2492629.002058359 0.164530586030431 76.0493037205416 10.4146251743666 -11.5211247369211 1053277.08777291 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2122-Oct-04 20:01 < 00:01 Earth 0.360211505011594 0.360210190068518 0.360212819954691 17.7792897817676 17.7788737318409 2496381.333981236 0.179934008144098 65.6595977583637 8.3834710116986 -3.03649902171406 750764.791587687 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2139-Jun-30 09:48 < 00:01 Earth 0.311122078296005 0.311119941085201 0.311124215507411 15.721583552466 15.7210388080821 2502493.908541010 0.239146568482616 108.730940572505 10.3384843100713 -11.4954122497137 836790.611867933 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2149-Oct-05 13:03 < 00:01 Earth 0.381992660655677 0.381990039232764 0.381995282078634 18.2998103226556 18.2994291556743 2506244.043781498 0.269619088007308 130.8520763477 8.35955742082309 -2.61563582744734 457379.436696116 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2160-Jan-22 16:47 < 00:01 Mars 0.04623865887689 0.0462383090274356 0.0462390087911729 10.5379883080645 10.537400743829 2510005.199200540 0.403852993360539 116.408653574655 11.537244992426 83.5128759280158 593531.647724447 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2166-Jul-07 13:30 < 00:01 Earth 0.229471879199724 0.229468358887234 0.229475399514954 13.0106412895435 13.0097488083425 2512363.062775379 0.46236649689752 179.955037425975 10.3081837049923 -12.753088667415 619147.699202309 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2176-Oct-09 03:51 < 00:01 Earth 0.448568747157216 0.448564609612041 0.448572884702417 20.2030529974007 20.2027589823912 2516109.660223952 0.366004831916105 206.416861311336 8.30864798018039 -1.76853858055287 354526.076653057 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23
2193-Jul-14 17:11 < 00:01 Earth 0.154166547807035 0.154162928696742 0.154170166925609 10.6472741416013 10.64565077397 2522232.216277765 0.692534231508087 189.090719727392 10.1014123194884 -17.4207497417271 558416.966125091 T 20 CATAB v2.0f-lin.ifort 2020-May-24 07:23:26 2020-May-24 07:23

Alternate Designations
 1987 SF3 = 2014 KH2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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