"Pseudo-MPEC" for A11I1L4
Created 2026 Oct 12 13:35:04 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11I1L4*0C2026 10 12.19701703 54 36.526-31 21 39.13 ~AC6Z 16.93cVNEOCPW68
A11I1L4 0C2026 10 12.19927203 54 32.266-31 21 23.98 ~AC6Z 16.85cVNEOCPW68
A11I1L4 0C2026 10 12.20242603 54 26.330-31 21 02.52 ~AC6Z 17.07cVNEOCPW68
A11I1L4 0C2026 10 12.22031003 53 52.639-31 19 00.84 ~AC6Z 16.94cVNEOCPW68
A11I1L4 C2026 10 12.41632303 47 57.758-30 55 39.11 ~ACAZ 17.4 GWNEOCP474
A11I1L4 C2026 10 12.41882403 47 53.278-30 55 21.94 ~ACAZ 16.8 GWNEOCP474
A11I1L4 C2026 10 12.42013703 47 50.914-30 55 13.19 ~ACAZ 16.4 GWNEOCP474
A11I1L4 C2026 10 12.42144703 47 48.581-30 55 03.43 ~ACAZ 17.3 GWNEOCP474
Station data:
(474) Mount John Observatory, Lake Tekapo (S43.987385 E170.464960) New
Zealand. Observers A. C. Gilmore, P. M. Kilmartin. Measurer P. M.
Kilmartin. 1.0-m f/7.7 reflector + CCD.
(W68) ATLAS Chile, Rio Hurtado (S30.471010 W70.764980) Chile. Observers L.
Denneau, R. Siverd, J. Tonry, H. Weiland. Measurers L. Denneau, N.
Erasmus, A. Fitzsimmons, J. Robinson, R. Siverd, J. Tonry, H. Weiland.
0.5-m f/2.0 Schmidt + CCD.
Orbital elements: A11I1L4
Perihelion 2026 Aug 27.553504 +/- 2.6 TT = 13:17:02.7 (JD 2461280.053504)
Epoch 2026 Oct 12.0 TT = JDT 2461325.5 Earth MOID: 0.0086 Ve: 0.0106
M 14.571705124 +/- 8 Me: 0.0026 Ma: 0.0836 AutoNEOCP
n 0.320634295 +/- 0.168 Peri. 126.182940 +/- 25
a 2.114118860 +/- 0.74 Node 130.098343 +/- 27
e 0.85922680 +/- 0.0562 Incl. 5.199087 +/- 1.0
P 3.07393 H 19.69 G 0.15 U 11.5
q 0.297611275 +/- 0.0199 Q 3.930626444 +/- 1.49 (J2000 ecliptic)
From 8 observations 2026 Oct. 12 (5.4 hr); mean residual 0".15
Residuals in arcseconds: 261012 W68 .01+ .07+ 261012 W68 .05- .01+ 261012 474 .13- .32- 261012 W68 .06- .07- 261012 474 .08+ .06- 261012 474 .01+ .44+ 261012 W68 .09+ .00 261012 474 .05+ .06- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 12 14 03 43 00.733 -30 36 35.29 .12266 1.0766 127.2 17.1 10.9 77 2026 10 12 15 03 41 49.106 -30 31 39.15 .12307 1.0773 127.4 17.1 13.3 81 2026 10 12 16 03 40 38.067 -30 26 42.47 .12348 1.0780 127.7 17.1 16.1 84 2026 10 12 17 03 39 27.615 -30 21 45.30 .12390 1.0786 127.9 17.1 19.2 87 2026 10 12 18 03 38 17.743 -30 16 47.69 .12431 1.0793 128.2 17.1 22.6 89 2026 10 12 19 03 37 08.451 -30 11 49.70 .12473 1.0800 128.5 17.1 26.3 91 2026 10 12 20 03 35 59.732 -30 06 51.37 .12516 1.0807 128.7 17.1 30.3 92 2026 10 12 21 03 34 51.584 -30 01 52.75 .12558 1.0814 129.0 17.1 34.6 94 2026 10 12 22 03 33 44.003 -29 56 53.88 .12601 1.0821 129.2 17.1 39.2 95 2026 10 12 23 03 32 36.985 -29 51 54.82 .12644 1.0827 129.5 17.1 44.0 96 2026 10 13 00 03 31 30.526 -29 46 55.61 .12687 1.0834 129.7 17.1 49.2 97 2026 10 13 01 03 30 24.622 -29 41 56.30 .12731 1.0841 130.0 17.1 54.6 98 2026 10 13 02 03 29 19.270 -29 36 56.91 .12775 1.0848 130.2 17.1 60.2 99 2026 10 13 03 03 28 14.464 -29 31 57.51 .12819 1.0855 130.4 17.1 66.2 100 2026 10 13 04 03 27 10.202 -29 26 58.12 .12863 1.0861 130.7 17.1 72.3 100 2026 10 13 05 03 26 06.479 -29 21 58.78 .12908 1.0868 130.9 17.1 78.7 101 2026 10 13 06 03 25 03.291 -29 16 59.54 .12953 1.0875 131.2 17.1 85.3 101 2026 10 13 07 03 24 00.633 -29 12 00.44 .12998 1.0882 131.4 17.1 92.2 102 2026 10 13 08 03 22 58.503 -29 07 01.50 .13043 1.0888 131.6 17.1 99 102 2026 10 13 09 03 21 56.895 -29 02 02.76 .13088 1.0895 131.9 17.1 107 103 2026 10 13 10 03 20 55.806 -28 57 04.26 .13134 1.0902 132.1 17.1 114 103 2026 10 13 11 03 19 55.232 -28 52 06.03 .13180 1.0909 132.3 17.1 122 104 2026 10 13 12 03 18 55.167 -28 47 08.11 .13226 1.0916 132.5 17.1 130 104 2026 10 13 13 03 17 55.609 -28 42 10.51 .13273 1.0922 132.8 17.1 138 104 2026 10 13 14 03 16 56.552 -28 37 13.29 .13319 1.0929 133.0 17.1 146 105 2026 10 13 15 03 15 57.993 -28 32 16.46 .13366 1.0936 133.2 17.1 155 105 2026 10 13 16 03 14 59.928 -28 27 20.05 .13413 1.0943 133.4 17.1 163 105 2026 10 13 17 03 14 02.352 -28 22 24.09 .13460 1.0950 133.6 17.1 172 106 2026 10 13 18 03 13 05.261 -28 17 28.61 .13508 1.0956 133.8 17.1 181 106 2026 10 13 19 03 12 08.652 -28 12 33.64 .13556 1.0963 134.1 17.2 190 106 2026 10 13 20 03 11 12.519 -28 07 39.19 .13604 1.0970 134.3 17.2 200 106 2026 10 13 21 03 10 16.858 -28 02 45.30 .13652 1.0977 134.5 17.2 209 107 2026 10 13 22 03 09 21.667 -27 57 51.98 .13700 1.0983 134.7 17.2 219 107 2026 10 13 23 03 08 26.939 -27 52 59.27 .13748 1.0990 134.9 17.2 228 107 2026 10 14 00 03 07 32.672 -27 48 07.18 .13797 1.0997 135.1 17.2 238 107 2026 10 14 01 03 06 38.861 -27 43 15.73 .13846 1.1004 135.3 17.2 248 108 2026 10 14 02 03 05 45.502 -27 38 24.95 .13895 1.1010 135.5 17.2 259 108 2026 10 14 03 03 04 52.591 -27 33 34.85 .13945 1.1017 135.7 17.2 269 108 2026 10 14 04 03 04 00.124 -27 28 45.45 .13994 1.1024 135.9 17.2 279 108 2026 10 14 05 03 03 08.097 -27 23 56.78 .14044 1.1031 136.1 17.2 290 108 2026 10 14 06 03 02 16.506 -27 19 08.85 .14094 1.1037 136.3 17.2 300 109 2026 10 14 07 03 01 25.346 -27 14 21.67 .14144 1.1044 136.5 17.2 311 109 2026 10 14 08 03 00 34.615 -27 09 35.27 .14194 1.1051 136.7 17.2 322 109 2026 10 14 09 02 59 44.307 -27 04 49.66 .14244 1.1058 136.8 17.2 333 109 2026 10 14 10 02 58 54.419 -27 00 04.85 .14295 1.1064 137.0 17.2 344 109 2026 10 14 11 02 58 04.947 -26 55 20.87 .14346 1.1071 137.2 17.2 355 109 2026 10 14 12 02 57 15.886 -26 50 37.72 .14397 1.1078 137.4 17.2 367 110 2026 10 14 13 02 56 27.235 -26 45 55.41 .14448 1.1084 137.6 17.2 378 110