"Pseudo-MPEC" for ST26D09
Created 2026 Apr 9 8:35:09 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
ST26D09* C2026 04 08.26746813 28 34.261-00 51 50.21 ~488K 20.18GVNEOCPU68
ST26D09 C2026 04 08.27080913 28 33.027-00 52 44.61 ~488K 20.18GVNEOCPU68
ST26D09 C2026 04 08.27421413 28 31.837-00 53 39.53 ~488Z 19.93GVNEOCPU68
ST26D09 C2026 04 08.27755513 28 30.555-00 54 30.48 ~488Zx19.93GVNEOCPU68
ST26D09 C2026 04 08.27962413 28 29.953-00 55 07.05 ~488Z 19.92GVNEOCPU74
ST26D09 C2026 04 08.28289813 28 28.778-00 55 58.20 ~488Z 19.92GVNEOCPU74
ST26D09 C2026 04 08.28988213 28 26.313-00 57 49.70 ~488Z 20.22GVNEOCPU74
ST26D09 C2026 04 08.29315613 28 25.151-00 58 40.37 ~488Z 20.22GVNEOCPU74
ST26D09 1C2026 04 08.35934213 27 59.652-01 15 34.52 ~4895 20.13GVNEOCPI52
ST26D09 1C2026 04 08.36026213 27 59.296-01 15 49.21 ~4895 19.79GVNEOCPI52
ST26D09 1C2026 04 08.36118313 27 58.993-01 16 02.57 ~4895 20.31GVNEOCPI52
ST26D09 KB2026 04 08.85173013 26 18.23 -03 06 17.5 ~48L5 20.7 GVNEOCPI93
ST26D09 KB2026 04 08.85189313 26 16.50 -03 06 23.7 ~48L5 19.8 GVNEOCPL01
ST26D09 KB2026 04 08.85795713 26 14.96 -03 07 35.0 ~48L5 20.1 GVNEOCPL01
ST26D09 KB2026 04 08.85927413 26 16.46 -03 07 47.3 ~48L5 20.5 GVNEOCPI93
ST26D09 KB2026 04 08.86401613 26 13.43 -03 08 46.3 ~48L5 20.3 GVNEOCPL01
ST26D09 KB2026 04 08.86667613 26 14.61 -03 09 14.5 ~48L5 20.9 GVNEOCPI93
ST26D09 KC2026 04 08.87009413 26 12.43 -03 09 59.1 ~48NK 20.3 GVNEOCPL06
ST26D09 KC2026 04 08.87237113 26 11.86 -03 10 26.2 ~48NK 19.8 GVNEOCPL06
ST26D09 KB2026 04 08.89164713 26 06.334-03 14 09.78 ~48MZ 19.8 GXNEOCP595
ST26D09 1C2026 04 08.90434313 26 02.682-03 16 44.36 ~48MK 20.5 GWNEOCP246
ST26D09 1C2026 04 08.90498313 26 02.495-03 16 52.21 ~48MK 20.5 GWNEOCP246
ST26D09 1C2026 04 08.90530313 26 02.467-03 16 55.22 ~48MK 20.6 GWNEOCP246
ST26D09 1C2026 04 08.90594213 26 02.266-03 17 01.85 ~48MK 20.6 GWNEOCP246
ST26D09 KB2026 04 08.90874713 26 01.944-03 17 26.84 ~48MZ 19.9 GXNEOCP595
ST26D09 KC2026 04 08.93730213 25 57.18 -03 22 45.8 ~48NK 19.5 GXNEOCP958
ST26D09 KC2026 04 08.94488413 25 55.23 -03 24 12.4 ~48NK 19.7 GXNEOCP958
ST26D09 KC2026 04 08.95241713 25 53.26 -03 25 37.8 ~48NK 19.7 GXNEOCP958
ST26D09 KB2026 04 09.04972 13 25 24.93 -03 43 30.4 ~4925 20.0 GXNEOCPL04
ST26D09 KB2026 04 09.06647 13 25 21.04 -03 46 28.3 ~4925 19.9 GXNEOCPL04
ST26D09 |C2026 04 09.08420013 25 33.050-03 45 20.00 ~492o 20.3 GVNEOCP807
ST26D09 |C2026 04 09.08950013 25 31.790-03 46 16.40 ~492o 20.3 GVNEOCP807
ST26D09 |C2026 04 09.09472013 25 30.520-03 47 12.50 ~492o 20.9 GVNEOCP807
ST26D09 KC2026 04 09.19462913 25 08.83 -04 08 14.5 ~495Z 20.6 GVNEOCPH21
ST26D09 KC2026 04 09.19742513 25 08.17 -04 08 42.6 ~495Z 20.6 GVNEOCPH21
ST26D09 KC2026 04 09.20022013 25 07.50 -04 09 10.5 ~495Z 21.2 GVNEOCPH21
ST26D09 KC2026 04 09.20441513 25 06.53 -04 09 52.3 ~495Z 21.0 GVNEOCPH21
Station data:
(246) Klet Observatory-KLENOT (N48.863991 E14.284760) Czech Republic.
Observer J. Ticha. Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048
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.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(958) Observatoire de Dax (N43.693381 W1.030530) France. Observer P.
Dupouy. 0.32-m Schmidt-Cassegrain.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
(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.
(I93) St Pardon de Conques (N44.558670 W0.202960) France. Observers F.
Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + CCD.
(L01) Višnjan Observatory, Tičan (N45.290897 E13.749300) Croatia.
Observers K. Korlević, L. Poropat. Measurer K. Korlevic. 1.0-m f/2.9
reflector + CCD.
(L04) ROASTERR-1 Observatory, Cluj-Napoca (N46.820952 E23.596400) Romania.
Observer L. Hudin. 0.1-m f/9 refractor + 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.
(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.
Orbital elements: ST26D09
Perihelion 2026 Feb 18.928249 +/- 0.0218 TT = 22:16:40.7 (JD 2461090.428249)
Epoch 2026 Apr 9.0 TT = JDT 2461139.5 Earth MOID: 0.0091 Ve: 0.0136
M 16.137030528 +/- 0.057 Ma: 0.0142 AutoNEOCP
n 0.328845625 +/- 0.00102 Peri. 98.734153 +/- 0.0041
a 2.078777479 +/- 0.00431 Node 21.445388 +/- 0.0009
e 0.65873383 +/- 0.000817 Incl. 4.475812 +/- 0.0044
P 2.99717 H 27.03 G 0.15 U 8.1
q 0.709416418 +/- 0.000231 Q 3.448138539 +/- 0.00886 (J2000 ecliptic)
36 of 37 observations 2026 Apr. 8-9 (22.5 hr); mean residual 0".40
Residuals in arcseconds: 260408 U68 .34+ .71+ 260408 L01 .15- .08+ 260408 958 .19+ .03- 260408 U68 .42- .03+ 260408 I93 .53+ .26- 260408 958 .45- .56- 260408 U68 .17- .25- 260408 L01 .03- .08+ 260409 L04 .13+ .06- 260408 U68( 1.6- 2.3+) 260408 I93 .21- .37- 260409 L04 .46- .03+ 260408 U74 .35+ 1.2- 260408 L06 .06+ .10- 260409 807 .18- .13+ 260408 U74 .15+ .05- 260408 L06 .11+ .54- 260409 807 .04- .12+ 260408 U74 .36+ .36- 260408 595 .01+ .56+ 260409 807 .25- .59- 260408 U74 .35+ .94+ 260408 246 .44- .16- 260409 H21 .45+ .13- 260408 I52 .12+ .18+ 260408 246 .80- .64- 260409 H21 .47+ .16- 260408 I52 .41- .46- 260408 246 .00 .03+ 260409 H21 .34+ .05- 260408 I52 .14- .23+ 260408 246 .57- .74+ 260409 H21 .69+ .12+ 260408 I93 .26- .44+ 260408 595 .17+ .73+ 260408 L01 .06- .21- 260408 958 .40+ .81+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 04 09 09 13 24 34.737 -04 34 53.23 .04461 1.0460 175.5 20.8 .103 111 2026 04 09 10 13 24 28.114 -04 41 15.56 .04502 1.0464 175.6 20.8 .102 104 2026 04 09 11 13 24 21.607 -04 47 30.99 .04543 1.0468 175.7 20.8 .103 97 2026 04 09 12 13 24 15.213 -04 53 39.71 .04584 1.0473 175.8 20.8 .106 90 2026 04 09 13 13 24 08.928 -04 59 41.88 .04625 1.0477 175.9 20.8 .110 84 2026 04 09 14 13 24 02.751 -05 05 37.69 .04666 1.0481 176.0 20.8 .116 78 2026 04 09 15 13 23 56.677 -05 11 27.29 .04708 1.0486 176.1 20.8 .123 72 2026 04 09 16 13 23 50.706 -05 17 10.83 .04749 1.0490 176.2 20.9 .131 67 2026 04 09 17 13 23 44.833 -05 22 48.49 .04790 1.0494 176.3 20.9 .140 63 2026 04 09 18 13 23 39.057 -05 28 20.39 .04831 1.0498 176.4 20.9 .149 59 2026 04 09 19 13 23 33.375 -05 33 46.68 .04872 1.0503 176.5 20.9 .160 56 2026 04 09 20 13 23 27.785 -05 39 07.51 .04913 1.0507 176.6 20.9 .171 53 2026 04 09 21 13 23 22.285 -05 44 23.01 .04955 1.0511 176.7 20.9 .182 50 2026 04 09 22 13 23 16.873 -05 49 33.30 .04996 1.0516 176.8 20.9 .194 48 2026 04 09 23 13 23 11.546 -05 54 38.52 .05037 1.0520 176.9 21.0 .207 45 2026 04 10 00 13 23 06.302 -05 59 38.77 .05078 1.0524 177.0 21.0 .219 44 2026 04 10 01 13 23 01.140 -06 04 34.19 .05120 1.0528 177.0 21.0 .232 42 2026 04 10 02 13 22 56.057 -06 09 24.88 .05161 1.0533 177.1 21.0 .245 40 2026 04 10 03 13 22 51.053 -06 14 10.96 .05202 1.0537 177.2 21.0 .259 39 2026 04 10 04 13 22 46.124 -06 18 52.53 .05243 1.0541 177.3 21.0 .272 38 2026 04 10 05 13 22 41.269 -06 23 29.69 .05285 1.0545 177.4 21.0 .286 37 2026 04 10 06 13 22 36.487 -06 28 02.56 .05326 1.0550 177.5 21.0 .300 36 2026 04 10 07 13 22 31.776 -06 32 31.21 .05367 1.0554 177.5 21.1 .313 35 2026 04 10 08 13 22 27.135 -06 36 55.76 .05409 1.0558 177.6 21.1 .327 34 2026 04 10 09 13 22 22.561 -06 41 16.29 .05450 1.0563 177.7 21.1 .341 33 2026 04 10 10 13 22 18.053 -06 45 32.89 .05492 1.0567 177.8 21.1 .355 33 2026 04 10 11 13 22 13.611 -06 49 45.65 .05533 1.0571 177.8 21.1 .369 32 2026 04 10 12 13 22 09.232 -06 53 54.65 .05574 1.0575 177.9 21.1 .383 31 2026 04 10 13 13 22 04.915 -06 57 59.97 .05616 1.0580 178.0 21.1 .398 31 2026 04 10 14 13 22 00.659 -07 02 01.69 .05657 1.0584 178.1 21.1 .412 30 2026 04 10 15 13 21 56.463 -07 05 59.90 .05699 1.0588 178.1 21.1 .426 30 2026 04 10 16 13 21 52.325 -07 09 54.66 .05740 1.0593 178.2 21.2 .440 29 2026 04 10 17 13 21 48.244 -07 13 46.05 .05782 1.0597 178.3 21.2 .454 29 2026 04 10 18 13 21 44.219 -07 17 34.13 .05823 1.0601 178.4 21.2 .468 29 2026 04 10 19 13 21 40.249 -07 21 18.99 .05865 1.0606 178.4 21.2 .482 28 2026 04 10 20 13 21 36.333 -07 25 00.68 .05906 1.0610 178.5 21.2 .496 28 2026 04 10 21 13 21 32.469 -07 28 39.27 .05948 1.0614 178.6 21.2 .510 28 2026 04 10 22 13 21 28.657 -07 32 14.82 .05990 1.0618 178.6 21.2 .524 27 2026 04 10 23 13 21 24.895 -07 35 47.40 .06031 1.0623 178.7 21.2 .538 27 2026 04 11 00 13 21 21.183 -07 39 17.07 .06073 1.0627 178.8 21.2 .552 27 2026 04 11 01 13 21 17.520 -07 42 43.87 .06114 1.0631 178.8 21.3 .566 26 2026 04 11 02 13 21 13.904 -07 46 07.88 .06156 1.0636 178.9 21.3 .580 26 2026 04 11 03 13 21 10.335 -07 49 29.14 .06198 1.0640 179.0 21.3 .594 26 2026 04 11 04 13 21 06.811 -07 52 47.72 .06239 1.0644 179.0 21.3 .608 26 2026 04 11 05 13 21 03.333 -07 56 03.65 .06281 1.0648 179.1 21.3 .621 26 2026 04 11 06 13 20 59.899 -07 59 17.00 .06323 1.0653 179.1 21.3 .635 25 2026 04 11 07 13 20 56.508 -08 02 27.82 .06364 1.0657 179.2 21.3 .649 25 2026 04 11 08 13 20 53.159 -08 05 36.14 .06406 1.0661 179.3 21.3 .662 25