"Pseudo-MPEC" for ST26H81
Created 2026 Aug 23 23:35:21 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
ST26H81* C2026 08 23.31152500 10 31.045+14 28 31.31 ~8N8K 18.81GVNEOCPU68
ST26H81 C2026 08 23.31486600 10 38.921+14 27 35.57 ~8N8K 18.81GVNEOCPU68
ST26H81 C2026 08 23.33052700 11 15.698+14 23 14.84 ~8N8K 18.80GVNEOCPU74
ST26H81 C2026 08 23.33209700 11 19.369+14 22 48.90 ~8N8K 18.80GVNEOCPU74
ST26H81 C2026 08 23.41072700 14 19.970+14 00 31.44 ~8NAK 18.92GVNEOCPU74
ST26H81 C2026 08 23.41406800 14 27.472+13 59 34.53 ~8NAK 18.92GVNEOCPU74
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: ST26H81
Perihelion 2026 Aug 31.233760 +/- 2.72 TT = 5:36:36.9 (JD 2461283.733760)
Epoch 2026 Aug 23.0 TT = JDT 2461275.5 Earth MOID: 0.0071 AutoNEOCP
M 354.057884519 +/- 2.1 (J2000 ecliptic)
n 0.721676994 +/- 0.0242 Peri. 186.627575 +/- 2.8
a 1.230951121 +/- 0.0275 Node 151.769637 +/- 0.059
e 0.17383595 +/- 0.0175 Incl. 4.127291 +/- 0.20
P 1.366/498.829d H 27.62 G 0.15 U 10.2
q 1.016967559 +/- 0.00123 Q 1.444934684 +/- 0.0539
From 6 observations 2026 Aug. 23 (2.5 hr); mean residual 0".30
Residuals in arcseconds: 260823 U68 .12+ .11+ 260823 U74 .06- .07- 260823 U74 .56+ .46- 260823 U68 .09- .20- 260823 U74 .02- .23+ 260823 U74 .53- .42+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 24 00 00 38 37.462 +11 16 46.02 .00982 1.0183 136.8 19.3 226 98 2026 08 24 01 00 40 16.070 +11 04 52.70 .00985 1.0182 136.6 19.3 247 99 2026 08 24 02 00 41 54.034 +10 53 01.01 .00987 1.0182 136.4 19.3 269 100 2026 08 24 03 00 43 31.349 +10 41 11.08 .00990 1.0182 136.2 19.3 291 100 2026 08 24 04 00 45 08.013 +10 29 23.03 .00992 1.0182 135.9 19.3 314 101 2026 08 24 05 00 46 44.022 +10 17 36.98 .00995 1.0182 135.7 19.3 337 102 2026 08 24 06 00 48 19.375 +10 05 53.04 .00998 1.0182 135.5 19.4 361 102 2026 08 24 07 00 49 54.069 +09 54 11.34 .01001 1.0182 135.3 19.4 385 103 2026 08 24 08 00 51 28.102 +09 42 31.97 .01004 1.0181 135.1 19.4 410 103 2026 08 24 09 00 53 01.472 +09 30 55.05 .01007 1.0181 134.9 19.4 435 103 2026 08 24 10 00 54 34.178 +09 19 20.68 .01010 1.0181 134.6 19.4 460 104 2026 08 24 11 00 56 06.219 +09 07 48.96 .01013 1.0181 134.4 19.4 486 104 2026 08 24 12 00 57 37.594 +08 56 19.99 .01016 1.0181 134.2 19.4 513 105 2026 08 24 13 00 59 08.302 +08 44 53.85 .01019 1.0181 134.0 19.4 540 105 2026 08 24 14 01 00 38.343 +08 33 30.64 .01022 1.0181 133.8 19.5 567 105 2026 08 24 15 01 02 07.716 +08 22 10.45 .01026 1.0180 133.6 19.5 594 106 2026 08 24 16 01 03 36.422 +08 10 53.35 .01029 1.0180 133.3 19.5 622 106 2026 08 24 17 01 05 04.461 +07 59 39.43 .01032 1.0180 133.1 19.5 650 106 2026 08 24 18 01 06 31.833 +07 48 28.76 .01036 1.0180 132.9 19.5 679 106 2026 08 24 19 01 07 58.539 +07 37 21.42 .01039 1.0180 132.7 19.5 708 107 2026 08 24 20 01 09 24.580 +07 26 17.47 .01043 1.0180 132.5 19.5 737 107 2026 08 24 21 01 10 49.956 +07 15 16.99 .01046 1.0180 132.3 19.5 766 107 2026 08 24 22 01 12 14.670 +07 04 20.03 .01050 1.0179 132.0 19.6 796 107 2026 08 24 23 01 13 38.722 +06 53 26.66 .01054 1.0179 131.8 19.6 825 108 2026 08 25 00 01 15 02.115 +06 42 36.93 .01057 1.0179 131.6 19.6 855 108 2026 08 25 01 01 16 24.849 +06 31 50.90 .01061 1.0179 131.4 19.6 886 108 2026 08 25 02 01 17 46.927 +06 21 08.62 .01065 1.0179 131.2 19.6 916 108 2026 08 25 03 01 19 08.351 +06 10 30.14 .01069 1.0179 131.0 19.6 947 108 2026 08 25 04 01 20 29.123 +05 59 55.49 .01073 1.0179 130.7 19.6 977 108 2026 08 25 05 01 21 49.245 +05 49 24.74 .01077 1.0179 130.5 19.7 1008 109 2026 08 25 06 01 23 08.720 +05 38 57.90 .01081 1.0178 130.3 19.7 1039 109 2026 08 25 07 01 24 27.551 +05 28 35.03 .01085 1.0178 130.1 19.7 1070 109 2026 08 25 08 01 25 45.740 +05 18 16.16 .01089 1.0178 129.9 19.7 1101 109 2026 08 25 09 01 27 03.290 +05 08 01.32 .01093 1.0178 129.7 19.7 1133 109 2026 08 25 10 01 28 20.204 +04 57 50.53 .01097 1.0178 129.5 19.7 1164 109 2026 08 25 11 01 29 36.485 +04 47 43.83 .01101 1.0178 129.3 19.7 1196 109 2026 08 25 12 01 30 52.137 +04 37 41.24 .01106 1.0178 129.1 19.8 1227 110 2026 08 25 13 01 32 07.163 +04 27 42.78 .01110 1.0177 128.9 19.8 1259 110 2026 08 25 14 01 33 21.565 +04 17 48.47 .01114 1.0177 128.7 19.8 1290 110 2026 08 25 15 01 34 35.349 +04 07 58.33 .01119 1.0177 128.5 19.8 1322 110 2026 08 25 16 01 35 48.516 +03 58 12.38 .01123 1.0177 128.2 19.8 1354 110 2026 08 25 17 01 37 01.071 +03 48 30.62 .01128 1.0177 128.0 19.8 1385 110 2026 08 25 18 01 38 13.017 +03 38 53.08 .01132 1.0177 127.8 19.8 1417 110 2026 08 25 19 01 39 24.359 +03 29 19.76 .01137 1.0177 127.6 19.9 1449 110 2026 08 25 20 01 40 35.099 +03 19 50.66 .01141 1.0177 127.4 19.9 1480 110 2026 08 25 21 01 41 45.243 +03 10 25.80 .01146 1.0177 127.3 19.9 1512 110 2026 08 25 22 01 42 54.793 +03 01 05.18 .01151 1.0176 127.1 19.9 1544 111 2026 08 25 23 01 44 03.755 +02 51 48.80 .01155 1.0176 126.9 19.9 1575 111