"Pseudo-MPEC" for ST26H57
Created 2026 Aug 23 6:35:15 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
ST26H57* C2026 08 17.40345000 36 50.724+12 14 19.68 ~8I2o 19.14GVNEOCPU68
ST26H57 C2026 08 17.40679100 37 07.560+12 11 02.08 ~8I2o 19.14GVNEOCPU68
ST26H57* C2026 08 17.42024600 38 14.664+11 57 50.36 ~8I4K 18.77GVNEOCPU74
ST26H57 C2026 08 17.42298600 38 28.185+11 55 15.48 ~8I4K 18.77GVNEOCPU74
Station data:
(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: ST26H57
Perihelion 2026 Nov 3.012854 +/- 29.3 TT = 0:18:30.5 (JD 2461347.512854)
Epoch 2026 Aug 17.0 TT = JDT 2461269.5 Earth MOID: 0.0032 AutoNEOCP
M 287.878954091 +/- 25 (J2000 ecliptic)
n 0.924476443 +/- 0.141 Peri. 268.295433 +/- 33
a 1.043611404 +/- 0.106 Node 144.747553 +/- 0.06
e 0.14802860 +/- 0.0696 Incl. 10.675820 +/- 3.5
P 1.066/389.402d H 28.12 G 0.15 U 11.4 SR
q 0.889127063 +/- 0.0451 Q 1.198095744 +/- 0.283
From 4 observations 2026 Aug. 17 (28.1 min); mean residual 2".18
Residuals in arcseconds: 260817 U68 1.5- 1.6+ 260817 U74 1.3+ 3.6- 260817 U68 1.6+ 1.4- 260817 U74 1.4- 3.4+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 23 07 07 21 51.624 -38 11 23.05 .02040 1.0021 63.0 24.2 22d 61 2026 08 23 08 07 22 33.169 -38 11 43.57 .02056 1.0020 62.9 24.2 22d 62 2026 08 23 09 07 23 14.094 -38 12 02.77 .02072 1.0019 62.9 24.3 22d 62 2026 08 23 10 07 23 54.414 -38 12 20.70 .02087 1.0018 62.8 24.3 22d 62 2026 08 23 11 07 24 34.140 -38 12 37.41 .02103 1.0017 62.7 24.3 22d 62 2026 08 23 12 07 25 13.284 -38 12 52.95 .02119 1.0016 62.6 24.3 22d 62 2026 08 23 13 07 25 51.861 -38 13 07.35 .02135 1.0015 62.5 24.3 23d 62 2026 08 23 14 07 26 29.880 -38 13 20.66 .02151 1.0014 62.5 24.4 23d 62 2026 08 23 15 07 27 07.355 -38 13 32.91 .02167 1.0013 62.4 24.4 23d 62 2026 08 23 16 07 27 44.296 -38 13 44.15 .02182 1.0012 62.3 24.4 23d 62 2026 08 23 17 07 28 20.714 -38 13 54.41 .02198 1.0011 62.2 24.4 23d 62 2026 08 23 18 07 28 56.620 -38 14 03.72 .02214 1.0010 62.2 24.4 23d 62 2026 08 23 19 07 29 32.024 -38 14 12.13 .02230 1.0009 62.1 24.5 23d 62 2026 08 23 20 07 30 06.937 -38 14 19.65 .02246 1.0008 62.0 24.5 23d 62 2026 08 23 21 07 30 41.369 -38 14 26.32 .02262 1.0007 62.0 24.5 23d 62 2026 08 23 22 07 31 15.329 -38 14 32.18 .02278 1.0006 61.9 24.5 23d 62 2026 08 23 23 07 31 48.826 -38 14 37.24 .02294 1.0005 61.8 24.5 23d 62 2026 08 24 00 07 32 21.870 -38 14 41.54 .02310 1.0004 61.8 24.6 23d 62 2026 08 24 01 07 32 54.470 -38 14 45.10 .02326 1.0003 61.7 24.6 23d 62 2026 08 24 02 07 33 26.635 -38 14 47.95 .02341 1.0001 61.6 24.6 23d 62 2026 08 24 03 07 33 58.373 -38 14 50.12 .02357 1.0000 61.6 24.6 23d 63 2026 08 24 04 07 34 29.692 -38 14 51.62 .02373 0.9999 61.5 24.6 23d 63 2026 08 24 05 07 35 00.600 -38 14 52.48 .02389 0.9998 61.4 24.7 23d 63 2026 08 24 06 07 35 31.106 -38 14 52.72 .02405 0.9997 61.4 24.7 23d 63 2026 08 24 07 07 36 01.217 -38 14 52.36 .02421 0.9996 61.3 24.7 23d 63 2026 08 24 08 07 36 30.941 -38 14 51.42 .02437 0.9995 61.3 24.7 23d 63 2026 08 24 09 07 37 00.285 -38 14 49.92 .02453 0.9994 61.2 24.7 23d 63 2026 08 24 10 07 37 29.256 -38 14 47.88 .02469 0.9993 61.1 24.7 23d 63 2026 08 24 11 07 37 57.861 -38 14 45.32 .02485 0.9992 61.1 24.8 23d 63 2026 08 24 12 07 38 26.107 -38 14 42.25 .02501 0.9991 61.0 24.8 23d 63 2026 08 24 13 07 38 54.000 -38 14 38.70 .02517 0.9990 61.0 24.8 23d 63 2026 08 24 14 07 39 21.548 -38 14 34.67 .02533 0.9989 60.9 24.8 23d 63 2026 08 24 15 07 39 48.757 -38 14 30.19 .02549 0.9988 60.9 24.8 23d 63 2026 08 24 16 07 40 15.632 -38 14 25.26 .02565 0.9987 60.8 24.8 23d 63 2026 08 24 17 07 40 42.180 -38 14 19.91 .02581 0.9986 60.8 24.9 23d 63 2026 08 24 18 07 41 08.407 -38 14 14.14 .02597 0.9985 60.7 24.9 23d 63 2026 08 24 19 07 41 34.319 -38 14 07.97 .02613 0.9984 60.7 24.9 23d 63 2026 08 24 20 07 41 59.921 -38 14 01.41 .02629 0.9983 60.6 24.9 23d 63 2026 08 24 21 07 42 25.218 -38 13 54.48 .02645 0.9982 60.6 24.9 23d 63 2026 08 24 22 07 42 50.217 -38 13 47.19 .02662 0.9981 60.5 24.9 23d 63 2026 08 24 23 07 43 14.922 -38 13 39.55 .02678 0.9979 60.5 25.0 23d 63 2026 08 25 00 07 43 39.339 -38 13 31.56 .02694 0.9978 60.4 25.0 23d 63 2026 08 25 01 07 44 03.472 -38 13 23.25 .02710 0.9977 60.4 25.0 23d 64 2026 08 25 02 07 44 27.327 -38 13 14.61 .02726 0.9976 60.3 25.0 23d 64 2026 08 25 03 07 44 50.909 -38 13 05.67 .02742 0.9975 60.3 25.0 23d 64 2026 08 25 04 07 45 14.222 -38 12 56.43 .02758 0.9974 60.2 25.0 23d 64 2026 08 25 05 07 45 37.270 -38 12 46.90 .02774 0.9973 60.2 25.1 23d 64 2026 08 25 06 07 46 00.059 -38 12 37.09 .02790 0.9972 60.1 25.1 23d 64