"Pseudo-MPEC" for v27sep5
Created 2025 Oct 15 15:35:20 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
v27sep5*2C2025 09 27.98356 14 51 47.938-19 36 54.61 ~9SJKx21.0 rVNEOCPW84
v27sep5 2C2025 09 27.98427 14 51 48.038-19 36 56.42 ~9SJKx20.8 rVNEOCPW84
v27sep5 .C2025 09 29.98661 14 56 42.364-21 02 58.30 ~9UD5 20.7 rVNEOCP807
v27sep5 .C2025 09 29.98740 14 56 42.464-21 02 59.86 ~9UD5 20.8 rVNEOCP807
v27sep5 1C2025 09 30.03056814 56 48.506-21 04 47.54 ~A19Z 20.8 GXNEOCPW57
v27sep5 2C2025 09 30.98671 14 58 57.994-21 44 48.53 ~A115 20.4 rVNEOCPW84
v27sep5 2C2025 09 30.98749 14 58 58.080-21 44 50.62 ~A115 20.5 rVNEOCPW84
v27sep5 2C2025 09 30.98828 14 58 58.195-21 44 52.29 ~A115 20.5 rVNEOCPW84
v27sep5 2C2025 09 30.98907 14 58 58.271-21 44 54.45 ~A115 20.6 rVNEOCPW84
v27sep5 2C2025 09 30.98987 14 58 58.390-21 44 56.37 ~A115 20.5 rVNEOCPW84
v27sep5 2C2025 09 30.99065 14 58 58.504-21 44 58.40 ~A115 20.5 rVNEOCPW84
v27sep5 2C2025 10 03.99188 15 04 56.877-23 45 31.90 ~ADJZ 20.6 rVNEOCPI11
v27sep5 2C2025 10 03.99605 15 04 57.328-23 45 41.66 ~ADJZ 20.6 rVNEOCPI11
v27sep5 7C2025 10 04.98785 15 06 38.855-24 23 45.65 ~ADJZ 20.6 rVNEOCP269
v27sep5 2C2025 10 04.99108 15 06 39.177-24 23 52.35 ~ADJZ 20.7 rVNEOCPI11
v27sep5 7C2025 10 04.99149 15 06 39.190-24 23 53.42 ~ADJZ 20.7 rVNEOCP269
v27sep5 2C2025 10 04.99431 15 06 39.495-24 23 59.70 ~ADJZ 20.6 rVNEOCPI11
v27sep5 1C2025 10 06.01228915 08 14.332-25 02 02.23 ~AEI5x20.5 GXNEOCPW57
v27sep5 2C2025 10 07.99394 15 10 51.640-26 13 04.50 ~ADJZ 20.7 rVNEOCPI11
v27sep5 2C2025 10 07.99720 15 10 51.867-26 13 11.17 ~ADJZ 20.7 rVNEOCPI11
v27sep5 1C2025 10 08.02233815 10 53.454-26 14 04.30 ~AEI5 XNEOCPW57
Station data:
(269) New Horizons KBO Search-Magellan/Baade (S29.014789 W70.690860) Chile.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer S. S. Sheppard. 0.61-m f/6.5 astrograph + CCD.
(I11) Gemini South Observatory, Cerro Pachon (S30.240639 W70.736550) Chile.
Observers C. A. Trujillo, S. S. Sheppard. Measurer J. Masiero. 8.0-m
reflector.
(W57) ESA TBT La Silla Observatory (S29.255232 W70.739050) Chile. Observer
F. Ocaña. Measurers F. Ocana, M. Micheli. 0.56-m f/2.52 astrograph
prime-focus corrector + 4K CCD.
(W84) Cerro Tololo-DECam (S30.169594 W70.806420) Chile. Observer S. S.
Sheppard. Measurer S. Deen. 4.0-m reflector + CCD.
Orbital elements: v27sep5
Perihelion 2025 Nov 14.741741 +/- 0.127 TT = 17:48:06.4 (JD 2460994.241741)
Epoch 2025 Oct 8.0 TT = JDT 2460956.5 Earth MOID: 0.3401 Ve: 0.0578
M 233.364420255 +/- 0.16 (J2000 ecliptic) AutoNEOCP
n 3.355318989 +/- 0.00724 Peri. 359.859868 +/- 0.030
a 0.441889320 +/- 0.000638 Node 134.474485 +/- 0.15
e 0.52546089 +/- 0.00196 Incl. 26.322942 +/- 0.15
P 0.294/107.290d H 19.05 G 0.15 U 9.4
q 0.209693762 +/- 0.00117 Q 0.674084879 +/- 0.000109
18 of 21 observations 2025 Sept. 29-Oct. 8; mean residual 1".00
Residuals in arcseconds: 250927 W84(10.2- 16.4-) 250930 W84 1.2+ 1.4+ 251004 I11 .97- .57- 250927 W84(10.4- 16.4-) 250930 W84 .88+ 1.2+ 251004 269 1.2- .49- 250929 807 1.3- 1.6- 250930 W84 1.1+ 1.2+ 251004 I11 .89- .67- 250929 807 1.5- 1.2- 250930 W84 1.3+ 1.1+ 251006 W57( 3.9- .31-) 250930 W57 .16- .25- 251003 I11 .69+ .36+ 251007 I11 .80+ .75+ 250930 W84 1.3+ 1.3+ 251003 I11 .85+ .20+ 251007 I11 .86+ .79+ 250930 W84 1.1+ 1.1+ 251004 269 .98- .90- 251008 W57 .85- .48- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 10 15 16 15 14 12.881 -30 02 15.14 .67243 .57655 33.8 20.9 7.20 74 2025 10 15 17 15 14 11.951 -30 03 15.02 .67237 .57620 33.8 20.9 7.23 74 2025 10 15 18 15 14 10.998 -30 04 14.71 .67230 .57585 33.8 20.9 7.27 74 2025 10 15 19 15 14 10.020 -30 05 14.20 .67224 .57549 33.7 20.9 7.31 74 2025 10 15 20 15 14 09.018 -30 06 13.50 .67217 .57513 33.7 20.9 7.35 74 2025 10 15 21 15 14 07.992 -30 07 12.61 .67211 .57478 33.7 20.9 7.38 74 2025 10 15 22 15 14 06.942 -30 08 11.52 .67204 .57442 33.6 20.9 7.42 74 2025 10 15 23 15 14 05.868 -30 09 10.24 .67198 .57406 33.6 20.9 7.46 74 2025 10 16 00 15 14 04.769 -30 10 08.76 .67191 .57370 33.6 20.9 7.49 74 2025 10 16 01 15 14 03.645 -30 11 07.08 .67185 .57334 33.5 20.9 7.53 74 2025 10 16 02 15 14 02.498 -30 12 05.21 .67178 .57298 33.5 20.9 7.56 74 2025 10 16 03 15 14 01.325 -30 13 03.14 .67172 .57262 33.5 20.9 7.60 74 2025 10 16 04 15 14 00.129 -30 14 00.87 .67165 .57226 33.4 20.9 7.63 74 2025 10 16 05 15 13 58.908 -30 14 58.40 .67159 .57190 33.4 20.9 7.67 74 2025 10 16 06 15 13 57.662 -30 15 55.73 .67152 .57153 33.4 20.9 7.71 74 2025 10 16 07 15 13 56.391 -30 16 52.86 .67146 .57117 33.3 20.9 7.74 74 2025 10 16 08 15 13 55.096 -30 17 49.79 .67139 .57081 33.3 20.9 7.77 74 2025 10 16 09 15 13 53.777 -30 18 46.51 .67133 .57044 33.3 20.9 7.81 74 2025 10 16 10 15 13 52.432 -30 19 43.04 .67126 .57008 33.2 20.9 7.84 74 2025 10 16 11 15 13 51.063 -30 20 39.36 .67120 .56971 33.2 20.9 7.88 74 2025 10 16 12 15 13 49.669 -30 21 35.47 .67114 .56934 33.2 20.9 7.91 74 2025 10 16 13 15 13 48.250 -30 22 31.38 .67107 .56897 33.1 20.9 7.95 74 2025 10 16 14 15 13 46.807 -30 23 27.09 .67101 .56860 33.1 20.9 7.98 74 2025 10 16 15 15 13 45.338 -30 24 22.58 .67094 .56824 33.1 20.9 8.01 74 2025 10 16 16 15 13 43.845 -30 25 17.87 .67088 .56787 33.0 20.9 8.04 74 2025 10 16 17 15 13 42.326 -30 26 12.96 .67082 .56749 33.0 20.9 8.08 74 2025 10 16 18 15 13 40.783 -30 27 07.83 .67075 .56712 33.0 20.9 8.11 73 2025 10 16 19 15 13 39.214 -30 28 02.49 .67069 .56675 32.9 20.9 8.14 73 2025 10 16 20 15 13 37.621 -30 28 56.95 .67062 .56638 32.9 20.9 8.17 73 2025 10 16 21 15 13 36.002 -30 29 51.19 .67056 .56600 32.9 20.9 8.21 73 2025 10 16 22 15 13 34.358 -30 30 45.22 .67050 .56563 32.8 20.9 8.24 73 2025 10 16 23 15 13 32.689 -30 31 39.04 .67043 .56526 32.8 20.9 8.27 73 2025 10 17 00 15 13 30.995 -30 32 32.64 .67037 .56488 32.8 20.9 8.30 73 2025 10 17 01 15 13 29.275 -30 33 26.03 .67031 .56450 32.7 20.9 8.33 73 2025 10 17 02 15 13 27.530 -30 34 19.21 .67025 .56413 32.7 20.9 8.36 73 2025 10 17 03 15 13 25.760 -30 35 12.17 .67018 .56375 32.7 21.0 8.39 73 2025 10 17 04 15 13 23.965 -30 36 04.92 .67012 .56337 32.6 21.0 8.42 73 2025 10 17 05 15 13 22.144 -30 36 57.44 .67006 .56299 32.6 21.0 8.45 73 2025 10 17 06 15 13 20.297 -30 37 49.75 .66999 .56261 32.6 21.0 8.48 73 2025 10 17 07 15 13 18.426 -30 38 41.84 .66993 .56223 32.5 21.0 8.51 73 2025 10 17 08 15 13 16.528 -30 39 33.71 .66987 .56185 32.5 21.0 8.54 73 2025 10 17 09 15 13 14.605 -30 40 25.37 .66981 .56147 32.4 21.0 8.56 73 2025 10 17 10 15 13 12.657 -30 41 16.80 .66974 .56109 32.4 21.0 8.59 73 2025 10 17 11 15 13 10.683 -30 42 08.00 .66968 .56070 32.4 21.0 8.62 73 2025 10 17 12 15 13 08.683 -30 42 58.99 .66962 .56032 32.3 21.0 8.65 73 2025 10 17 13 15 13 06.658 -30 43 49.75 .66956 .55993 32.3 21.0 8.68 73 2025 10 17 14 15 13 04.607 -30 44 40.29 .66950 .55955 32.3 21.0 8.70 72 2025 10 17 15 15 13 02.530 -30 45 30.60 .66944 .55916 32.2 21.0 8.73 72