"Pseudo-MPEC" for ST26E89
Created 2026 May 17 2:35:10 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
ST26E89* C2026 05 16.20669613 53 39.396+10 44 21.83 ~5G6Z 19.01GVNEOCPU68
ST26E89 C2026 05 16.21003713 53 35.333+10 43 29.97 ~5G6Z 19.01GVNEOCPU68
ST26E89 C2026 05 16.22438913 53 17.442+10 39 39.41 ~5G6o 18.86GVNEOCPU74
ST26E89 C2026 05 16.22589213 53 15.561+10 39 15.93 ~5G6o 18.86GVNEOCPU74
ST26E89 C2026 05 16.28232713 51 59.471+10 22 51.63 ~5G75 19.12GVNEOCPU74
ST26E89 C2026 05 16.28560213 51 54.896+10 21 50.24 ~5G75 19.12GVNEOCPU74
ST26E89 0C2026 05 16.29588613 51 36.271+10 19 46.14 ~5GJZ 19.94gUNEOCPI41
ST26E89 1C2026 05 16.30125513 51 21.146+10 18 14.51 ~5G7Z 19.38GVNEOCPI52
ST26E89 1C2026 05 16.30183413 51 20.293+10 18 03.24 ~5G7Z 18.78GVNEOCPI52
ST26E89 1C2026 05 16.30241613 51 19.436+10 17 51.61 ~5G7Z 19.88GVNEOCPI52
ST26E89 1C2026 05 16.30300513 51 18.565+10 17 40.38 ~5G7Z 19.22GVNEOCPI52
ST26E89 0C2026 05 16.34720713 50 18.893+10 02 23.73 ~5GJZx19.36iUNEOCPI41
ST26E89 KB2026 05 16.49993613 48 02.664+08 58 42.07 ~5GCo 19.6 GXNEOCPQ06
ST26E89 KB2026 05 16.50755713 47 46.806+08 54 57.84 ~5GCo 19.6 GXNEOCPQ06
ST26E89 KB2026 05 16.51517813 47 30.590+08 51 07.67 ~5GCo 19.6 GXNEOCPQ06
ST26E89 KB2026 05 16.61732013 43 21.439+07 51 16.27 ~5GGZ 18.3 GWNEOCP900
ST26E89 KB2026 05 16.62512713 42 59.882+07 45 54.11 ~5GGZ 18.6 GWNEOCP900
ST26E89 KB2026 05 16.63292913 42 37.932+07 40 24.49 ~5GGZ 18.6 GWNEOCP900
ST26E89 KB2026 05 16.81729213 34 43.416+04 38 10.79 ~5GKK 18.2 GXNEOCPM35
ST26E89 KB2026 05 16.82092613 34 56.098+04 34 55.34 ~5GKK 18.8 GWNEOCPL47
ST26E89 KB2026 05 16.82127313 34 24.502+04 32 55.90 ~5GKK 18.1 GXNEOCPM35
ST26E89 KB2026 05 16.82157413 34 53.028+04 34 03.58 ~5GKK 18.5 GWNEOCPL47
ST26E89 KB2026 05 16.82519713 34 05.599+04 27 41.72 ~5GKK 18.1 GXNEOCPM35
ST26E89 KB2026 05 16.83107213 34 12.521+04 20 54.12 ~5GKZ 17.27GXNEOCP126
ST26E89 KB2026 05 16.83198813 33 59.386+04 18 42.95 ~5GKo 17.8 GVNEOCP595
ST26E89 KB2026 05 16.83511313 33 43.925+04 14 22.24 ~5GKo 17.7 GVNEOCP595
ST26E89 KB2026 05 16.83824413 33 28.243+04 09 57.82 ~5GKo 17.8 GVNEOCP595
ST26E89 KB2026 05 16.83852913 33 33.51 +04 10 35.1 ~5GLZ VNEOCP104
ST26E89 KB2026 05 16.83865913 33 34.875+04 10 21.52 ~5GKZ 18.70GXNEOCP126
ST26E89 KB2026 05 16.83972913 33 27.43 +04 08 52.9 ~5GLZ 18.7 GVNEOCP104
ST26E89 KB2026 05 16.84092513 33 21.34 +04 07 10.7 ~5GLZ 18.9 GVNEOCP104
ST26E89 KC2026 05 16.84354613 33 10.874+04 02 32.58 ~5GL5 17.9 GWNEOCP203
ST26E89 KC2026 05 16.84672213 32 54.480+03 57 54.99 ~5GL5 18.1 GWNEOCP203
ST26E89 KB2026 05 16.84705913 32 49.60 +03 58 16.8 ~5GLZ 19.0 GVNEOCP104
ST26E89 0B2026 05 16.84902413 32 30.305+03 51 36.71 ~5GL5 17.4 GWNEOCPG34
ST26E89 KC2026 05 16.85087713 32 32.670+03 51 45.80 ~5GL5 17.6 GWNEOCP203
ST26E89 0B2026 05 16.85182713 32 15.630+03 47 25.27 ~5GL5 17.7 GWNEOCPG34
ST26E89 KC2026 05 16.85383913 32 12.32 +03 49 08.2 ~5GLK 16.7 RVNEOCPM50
ST26E89 0B2026 05 16.85462313 32 00.767+03 43 11.34 ~5GL5 17.7 GWNEOCPG34
ST26E89 KC2026 05 16.85610 13 32 03.91 +03 43 37.8 ~5GLo VNEOCPL06
ST26E89 0B2026 05 16.85743413 31 45.705+03 38 53.35 ~5GL5 17.6 GWNEOCPG34
ST26E89 KC2026 05 16.85823 13 31 52.33 +03 40 21.9 ~5GLo 18.3 GVNEOCPL06
ST26E89 KC2026 05 16.86036 13 31 40.65 +03 37 04.3 ~5GLo VNEOCPL06
ST26E89 KC2026 05 16.86887213 30 48.17 +03 25 44.3 ~5GLK 17.2 RVNEOCPM50
ST26E89 0B2026 05 16.87719313 30 05.628+03 10 00.24 ~5GMo WNEOCP204
ST26E89 0B2026 05 16.88109013 29 42.336+03 03 26.35 ~5GMo 18.1 GWNEOCP204
ST26E89 0B2026 05 16.88497713 29 18.711+02 56 46.12 ~5GMo WNEOCP204
ST26E89 KC2026 05 16.89090413 28 02.693+02 44 31.67 ~5GNo 17.4 GXNEOCPL18
ST26E89 KC2026 05 16.89423113 27 41.743+02 38 32.14 ~5GNo 17.2 GXNEOCPL18
ST26E89 KC2026 05 16.89755913 27 20.390+02 32 28.97 ~5GNo 17.3 GXNEOCPL18
ST26E89 KB2026 05 16.91636613 25 41.801+01 59 55.25 ~5GMZ 17.4 GWNEOCPL47
ST26E89 KB2026 05 16.91699113 25 37.342+01 58 39.79 ~5GMZ 17.2 GWNEOCPL47
ST26E89 KB2026 05 16.91762713 25 32.844+01 57 24.05 ~5GMZ 17.1 GWNEOCPL47
ST26E89 KB2026 05 16.93061013 24 33.34 +01 30 31.9 ~5GNZ 17.3 GXNEOCP958
ST26E89 KC2026 05 16.93908613 22 58.363+01 11 45.34 ~5GN5 17.3 GWNEOCPD63
ST26E89 KC2026 05 16.94051213 22 47.153+01 08 34.75 ~5GN5 17.3 GWNEOCPD63
ST26E89 KC2026 05 16.94159313 22 38.610+01 06 08.68 ~5GN5 17.1 GWNEOCPD63
ST26E89 KB2026 05 16.94942513 22 05.49 +00 48 28.3 ~5GNZ 17.8 GXNEOCP958
ST26E89 KB2026 05 16.99143913 18 03.942+00 02 40.17 ~5H1K 17.5 VZNEOCPY05
ST26E89 KB2026 05 16.99487313 17 28.413-00 06 53.40 ~5H1K 17.3 VZNEOCPY05
ST26E89 KB2026 05 16.99660313 17 10.267-00 11 46.07 ~5H1K 17.3 VZNEOCPY05
Station data:
(104) San Marcello Pistoiese (N44.064178 E10.803750) Italy. Observers P.
Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m
reflector + CCD.
(126) Monte Viseggi (N44.132565 E9.790150) Italy.
Observers L. Sannino, A. Mancuso, S. Mercanti, D. Agnetti. Measurers L.
Sannino, A. Mancuso. 0.41-m f/5.3 reflector + CCD.
(203) GiaGa Observatory (N45.541442 E8.995480) Italy. Observers S. Foglia,
G. Galli. Measurer G. Galli. 0.36-m f/5.76 Schmidt-Cassegrain + CCD.
(204) Schiaparelli Observatory (N45.868292 E8.769720) Italy. Observer L.
Buzzi. 0.84-m f/3.5 reflector + CCD.
(595) Farra d'Isonzo (N45.915731 E13.525780) Italy. Observers S. Aschi, E.
Pettarin, G. Panterotto. Measurers S. Aschi, E. Pettarin. 0.40-m f/5.15
reflector + CCD.
(900) Moriyama (N35.049753 E135.989940) Japan. Observer Y. Ikari. 0.26-m
f/7.0 reflector + CCD.
(958) Observatoire de Dax (N43.693381 W1.030530) France. Observer P.
Dupouy. 0.32-m Schmidt-Cassegrain.
(D63) G. Pascoli Observatory, Barga (since June 2023) (N44.081324
E10.461380) Italy. Observer R. Bacci. 0.41-m f/3.75 reflector + CCD.
(G34) Oberfrauendorf (N50.860002 E13.701500) Germany. Observer T. Felber.
0.35-m f/6.3 Schmidt-Cassegrain + CCD.
(I41) Palomar Mountain--ZTF (N33.357336 W116.859780) US/California.
Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin,
Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt.
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920)
US/Arizona. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. K. Hogan, R. A.
Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.
(L06) Sormano 2 Observatory, Bellagio Via Lattea (N45.970100 E9.254030)
Italy. Observer G. Ventre. Measurers G. Ventre, P. Sicoli. 0.28-m f/10
reflector + CCD.
(L18) QOS Observatory, Zalistci (N48.848292 E26.718280) Ukraine. Observers
O. V. Kravchenko, Y. V. Tanasiychuk. Measurer A. M. Kozhukhov. 0.50-m
f/3.8 reflector + CCD.
(L47) Osservatorio Astronomico, Piobbico (N43.585893 E12.507110) Italy.
Observers A. Teseo, A. Annamelia. 0.20-m f/6.3 Schmidt-Cassegrain + CCD.
(M35) PS Observatory, Parjol (N46.575378 E26.616690). Observer R. Anghel.
Measurers R. Anghel, A. Anghel. 0.2-m f/12 Cassegrain + CCD.
(M50) Virtual Telescope Project, Manciano (N42.480174 E11.563750) Italy.
Observer G. Masi. 0.36-m f/7.2 Schmidt-Cassegrain + CCD.
(Q06) Tarui Observatory, Tarui (N35.394791 E136.495470) Japan. Observer H.
Watanabe. 0.35-m f/1.9 Schmidt-Cassegrain + CMO.
(U68) JPL SynTrack Robotic Telescope, Auberry (N37.070387 W119.412990)
US/California. Observers N. Saini, C. Zhai, R. Trahan, M. Zhan, M. Shao.
0.28-m f/2.2 Schmidt + CCD.
(U74) JPL SynTrack Robotic Telescope 2, Auberry (N37.070341 W119.412800)
US/California. Observers N. Saini, C. Zhai, R. Trahan, M. Zhan, M. Shao.
0.36-m f/2.2 Schmidt.
(Y05) SONEAR Wykrota-CEAMIG, Serra da Piedade (S19.824251 W43.690000)
Brazil. Observer C. Jacques. 0.45-m f/2.9 reflector + CMO.
Orbital elements: ST26E89
Perigee 2026 May 17.311581 +/- 2.31e-5 TT = 7:28:40.5 (JD 2461177.811581)
Epoch 2026 May 17.0 TT = JDT 2461177.5 AutoNEOCP
q122255.3052 +/- 16.9 (J2000 equator)
H 28.95 G 0.15 Peri. 251.118188 +/- 0.00058
Node 19.559615 +/- 0.00007
e 44.93933776 +/- 0.0158 Incl. 128.399276 +/- 0.00028
60 of 61 observations 2026 May 16 (19.0 hr); mean residual 0".69
Residuals in arcseconds: 260516 U68 .12+ .27- 260516 L47 2.0- .82- 260516 L06 .15+ .04+ 260516 U68 .30+ .31+ 260516 M35 .55- .72- 260516 M50 1.1- .41- 260516 U74 .18+ .45- 260516 126 1.2- 1.5- 260516 204 .65+ .07+ 260516 U74 .57+ .57+ 260516 595 .52+ .59+ 260516 204 .43+ .24+ 260516 U74 .73- .16- 260516 595 .53+ .52+ 260516 204 .25+ .12- 260516 U74 .43+ .46- 260516 595 .74+ .60+ 260516 L18 .38+ .78+ 260516 I41 1.2- .38- 260516 104 .27+ .44+ 260516 L18 1.2+ .55- 260516 I52 .35+ .17+ 260516 126 .68- .84+ 260516 L18 .47+ .04- 260516 I52 .34+ .21+ 260516 104 .28+ .45+ 260516 L47 1.3- .61- 260516 I52 .33+ .04- 260516 104 .31+ .63+ 260516 L47 1.8- 1.2- 260516 I52 .29+ .27+ 260516 203 .83+ .91+ 260516 L47 1.4- .52- 260516 I41( 2.3+ 2.4+) 260516 203 .98+ .85+ 260516 958 .01+ .26+ 260516 Q06 .01- .20- 260516 104 .23+ .16- 260516 D63 .02- .46- 260516 Q06 .01- .17+ 260516 G34 .87+ .66+ 260516 D63 .26- .15- 260516 Q06 .24- .65- 260516 203 .84+ .37+ 260516 D63 .39- .62- 260516 900 .06+ .82+ 260516 G34 1.1+ .72+ 260516 958 .32- .80- 260516 900 .41+ .54+ 260516 M50 1.5- 1.3- 260516 Y05 .49+ .78+ 260516 900 .14- .20+ 260516 G34 .48+ .61+ 260516 Y05 .47+ .40+ 260516 M35 .37- .99- 260516 L06 .18+ .02+ 260516 Y05 .85+ .77+ 260516 L47 1.8- .37- 260516 G34 .75+ .84+ 260516 M35 .71- 1.4- 260516 L06 .12+ .01- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 05 17 03 12 46 31.409 -09 52 02.24 229343 1.0124 138.5 16.5 .690 24 2026 05 17 04 12 28 22.447 -15 13 50.20 193971 1.0122 135.5 16.2 .962 28 2026 05 17 05 12 01 00.129 -22 38 34.60 162537 1.0119 130.3 16.0 1.34 33 2026 05 17 06 11 16 44.417 -32 32 10.57 137801 1.0117 121.3 15.9 1.74 39 2026 05 17 07 10 01 49.274 -43 38 39.47 123888 1.0115 107.9 16.1 1.83 51 2026 05 17 08 08 08 18.198 -50 55 47.87 124513 1.0113 92.1 16.7 1.20 68 2026 05 17 09 06 13 32.992 -50 28 19.36 139476 1.0111 78.0 17.5 .231 37 2026 05 17 10 04 56 58.360 -45 50 09.46 164895 1.0109 67.7 18.5 .854 128 2026 05 17 11 04 11 47.693 -40 55 08.27 196728 1.0106 60.8 19.3 1.48 130 2026 05 17 12 03 43 59.335 -36 50 58.69 232333 1.0104 56.2 20?? 1.88 132 2026 05 17 13 03 25 38.148 -33 39 25.05 270208 1.0102 53.0 20?? 2.14 134 2026 05 17 14 03 12 45.608 -31 09 24.15 309509 1.0100 50.8 21?? 2.32 135 2026 05 17 15 03 03 16.777 -29 10 22.83 349750 1.0098 49.2 21?? 2.44 136 2026 05 17 16 02 56 01.725 -27 34 21.85 390634 1.0096 47.9 22?? 2.53 136 2026 05 17 17 02 50 18.796 -26 15 37.12 431977 1.0094 47.0 22?? 2.60 137 2026 05 17 18 02 45 41.810 -25 10 03.00 473654 1.0092 46.2 22?? 2.66 137 2026 05 17 19 02 41 53.565 -24 14 42.41 515582 1.0089 45.6 22?? 2.70 137 2026 05 17 20 02 38 42.319 -23 27 25.73 557704 1.0087 45.1 23?? 2.73 138 2026 05 17 21 02 35 59.799 -22 46 36.52 599977 1.0085 44.7 23?? 2.76 138 2026 05 17 22 02 33 40.014 -22 11 01.80 642370 1.0083 44.4 23?? 2.79 138 2026 05 17 23 02 31 38.524 -21 39 45.54 684861 1.0081 44.1 23?? 2.81 138 2026 05 18 00 02 29 51.970 -21 12 04.07 727431 1.0079 43.9 23?? 2.82 138 2026 05 18 01 02 28 17.766 -20 47 22.88 770066 1.0077 43.7 23?? 2.84 138 2026 05 18 02 02 26 53.888 -20 25 14.43 812756 1.0075 43.5 24?? 2.85 138 2026 05 18 03 02 25 38.730 -20 05 16.43 855493 1.0073 43.3 24?? 2.86 138 2026 05 18 04 02 24 31.003 -19 47 10.72 898269 1.0071 43.2 24?? 2.87 138 2026 05 18 05 02 23 29.658 -19 30 42.29 941078 1.0069 43.1 24?? 2.88 139 2026 05 18 06 02 22 33.836 -19 15 38.72 983916 1.0066 43.0 24?? 2.89 139 2026 05 18 07 02 21 42.825 -19 01 49.57 .00686 1.0064 42.9 24?? 2.90 139 2026 05 18 08 02 20 56.029 -18 49 06.04 .00715 1.0062 42.8 24?? 2.91 139 2026 05 18 09 02 20 12.947 -18 37 20.67 .00744 1.0060 42.8 24?? 2.91 139 2026 05 18 10 02 19 33.155 -18 26 27.07 .00772 1.0058 42.7 24?? 2.92 139 2026 05 18 11 02 18 56.291 -18 16 19.75 .00801 1.0056 42.7 25?? 2.92 139 2026 05 18 12 02 18 22.043 -18 06 53.98 .00830 1.0054 42.6 25?? 2.93 139 2026 05 18 13 02 17 50.143 -17 58 05.63 .00859 1.0052 42.6 25?? 2.93 139 2026 05 18 14 02 17 20.358 -17 49 51.12 .00887 1.0050 42.5 25?? 2.94 139 2026 05 18 15 02 16 52.486 -17 42 07.28 .00916 1.0048 42.5 25?? 2.94 139 2026 05 18 16 02 16 26.347 -17 34 51.35 .00945 1.0046 42.5 25?? 2.95 139 2026 05 18 17 02 16 01.785 -17 28 00.88 .00973 1.0044 42.5 25?? 2.95 139 2026 05 18 18 02 15 38.663 -17 21 33.69 .01002 1.0042 42.4 25?? 2.95 139 2026 05 18 19 02 15 16.858 -17 15 27.86 .01031 1.0040 42.4 25?? 2.96 139 2026 05 18 20 02 14 56.260 -17 09 41.65 .01060 1.0038 42.4 25?? 2.96 139 2026 05 18 21 02 14 36.773 -17 04 13.53 .01088 1.0036 42.4 25?? 2.96 139 2026 05 18 22 02 14 18.310 -16 59 02.10 .01117 1.0034 42.4 25?? 2.97 139 2026 05 18 23 02 14 00.791 -16 54 06.12 .01146 1.0032 42.4 25?? 2.97 139 2026 05 19 00 02 13 44.148 -16 49 24.45 .01175 1.0030 42.4 25?? 2.97 139 2026 05 19 01 02 13 28.315 -16 44 56.07 .01204 1.0028 42.4 25?? 2.97 139 2026 05 19 02 02 13 13.236 -16 40 40.06 .01232 1.0025 42.4 25?? 2.97 139