"Pseudo-MPEC" for STO1510
Created 2026 Sep 17 18:35:25 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
STO1510* C2026 09 16.25798 00 16 19.19 -35 19 58.3 ~9GLo 19.9 RXNEOCPX19
STO1510 C2026 09 16.26502 00 16 18.97 -35 20 12.5 ~9GLo 20.2 RXNEOCPX19
STO1510 C2026 09 16.27206 00 16 18.69 -35 20 25.9 ~9GLo 20.5 RXNEOCPX19
STO1510 |C2026 09 17.13860400 15 59.530-35 47 15.30 ~9H4K 20.4 GVNEOCP807
STO1510 |C2026 09 17.14775000 15 59.310-35 47 31.50 ~9H4K 20.0 GVNEOCP807
STO1510 |C2026 09 17.15689000 15 59.020-35 47 49.10 ~9H4K 20.6 GVNEOCP807
STO1510 C2026 09 17.32837 00 15 54.03 -35 53 00.9 ~9HEZ 20.3 RXNEOCPX19
STO1510 C2026 09 17.33547 00 15 53.83 -35 53 13.7 ~9HEZ 20.0 RXNEOCPX19
STO1510 C2026 09 17.34256 00 15 53.63 -35 53 25.9 ~9HEZ 20.4 RXNEOCPX19
Station data:
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(X19) Santel Observatory, El Leoncito (S31.802444 W69.326170) Argentina.
Observer A. Sankovich. 0.5-m f/1.5 reflector + CMOS.
Orbital elements: STO1510
Perihelion 2026 Sep 12.873490 +/- 68.7 TT = 20:57:49.5 (JD 2461296.373490)
Epoch 2026 Sep 17.0 TT = JDT 2461300.5 Earth MOID: 0.6185 AutoNEOCP
M 1.512235660 +/- 23 (J2000 ecliptic)
n 0.366468399 +/- 0.0537 Peri. 208.645799 +/- 42
a 1.933949051 +/- 0.189 Node 143.594566 +/- 3.5
e 0.16792058 +/- 0.0809 Incl. 27.277772 +/- 3.5
P 2.689/982.331d H 19.41 G 0.15 U 10.8 SR
q 1.609199199 +/- 0.073 Q 2.258698903 +/- 0.441
From 9 observations 2026 Sept. 16-17 (26.0 hr); mean residual 0".38
Residuals in arcseconds: 260916 X19 .51+ .79+ 260917 807 .19- .40- 260917 X19 .00 .03- 260916 X19 .24+ .24- 260917 807 .32+ .35+ 260917 X19 .02- .08- 260916 X19 .78- .49- 260917 807 .01- .34- 260917 X19 .06- .44+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 17 19 00 15 43.565 -36 07 00.53 .67910 1.6094 145.1 20.6 4.78 171 2026 09 17 20 00 15 42.561 -36 08 15.41 .67924 1.6094 145.0 20.6 5.29 171 2026 09 17 21 00 15 41.555 -36 09 30.19 .67938 1.6094 145.0 20.6 5.83 171 2026 09 17 22 00 15 40.548 -36 10 44.88 .67952 1.6094 145.0 20.6 6.38 171 2026 09 17 23 00 15 39.539 -36 11 59.48 .67965 1.6094 145.0 20.6 6.95 171 2026 09 18 00 00 15 38.528 -36 13 13.97 .67979 1.6095 144.9 20.6 7.54 171 2026 09 18 01 00 15 37.516 -36 14 28.37 .67993 1.6095 144.9 20.6 8.15 171 2026 09 18 02 00 15 36.502 -36 15 42.68 .68007 1.6095 144.9 20.6 8.78 171 2026 09 18 03 00 15 35.487 -36 16 56.88 .68021 1.6095 144.8 20.6 9.43 171 2026 09 18 04 00 15 34.471 -36 18 10.99 .68035 1.6095 144.8 20.6 10.1 171 2026 09 18 05 00 15 33.453 -36 19 25.01 .68049 1.6095 144.8 20.6 10.8 171 2026 09 18 06 00 15 32.433 -36 20 38.93 .68063 1.6095 144.8 20.6 11.5 171 2026 09 18 07 00 15 31.412 -36 21 52.75 .68077 1.6095 144.7 20.6 12.2 171 2026 09 18 08 00 15 30.390 -36 23 06.47 .68091 1.6095 144.7 20.6 13.0 171 2026 09 18 09 00 15 29.366 -36 24 20.10 .68105 1.6095 144.7 20.6 13.7 171 2026 09 18 10 00 15 28.340 -36 25 33.63 .68120 1.6095 144.7 20.6 14.5 171 2026 09 18 11 00 15 27.313 -36 26 47.07 .68134 1.6095 144.6 20.6 15.3 171 2026 09 18 12 00 15 26.285 -36 28 00.41 .68148 1.6095 144.6 20.6 16.2 171 2026 09 18 13 00 15 25.255 -36 29 13.65 .68162 1.6095 144.6 20.7 17.0 171 2026 09 18 14 00 15 24.224 -36 30 26.79 .68177 1.6095 144.5 20.7 17.9 171 2026 09 18 15 00 15 23.191 -36 31 39.84 .68191 1.6095 144.5 20.7 18.7 171 2026 09 18 16 00 15 22.157 -36 32 52.79 .68205 1.6095 144.5 20.7 19.6 171 2026 09 18 17 00 15 21.121 -36 34 05.64 .68220 1.6095 144.5 20.7 20.6 171 2026 09 18 18 00 15 20.085 -36 35 18.39 .68234 1.6095 144.4 20.7 21.5 171 2026 09 18 19 00 15 19.046 -36 36 31.05 .68249 1.6095 144.4 20.7 22.5 171 2026 09 18 20 00 15 18.007 -36 37 43.61 .68263 1.6095 144.4 20.7 23.4 171 2026 09 18 21 00 15 16.966 -36 38 56.07 .68278 1.6095 144.4 20.7 24.4 171 2026 09 18 22 00 15 15.923 -36 40 08.44 .68292 1.6095 144.3 20.7 25.4 171 2026 09 18 23 00 15 14.879 -36 41 20.70 .68307 1.6096 144.3 20.7 26.5 171 2026 09 19 00 00 15 13.834 -36 42 32.87 .68322 1.6096 144.3 20.7 27.5 171 2026 09 19 01 00 15 12.788 -36 43 44.94 .68336 1.6096 144.2 20.7 28.6 171 2026 09 19 02 00 15 11.740 -36 44 56.92 .68351 1.6096 144.2 20.7 29.7 171 2026 09 19 03 00 15 10.691 -36 46 08.79 .68366 1.6096 144.2 20.7 30.8 171 2026 09 19 04 00 15 09.641 -36 47 20.57 .68380 1.6096 144.2 20.7 31.9 171 2026 09 19 05 00 15 08.589 -36 48 32.24 .68395 1.6096 144.1 20.7 33.0 171 2026 09 19 06 00 15 07.536 -36 49 43.82 .68410 1.6096 144.1 20.7 34.2 171 2026 09 19 07 00 15 06.482 -36 50 55.31 .68425 1.6096 144.1 20.7 35.4 171 2026 09 19 08 00 15 05.426 -36 52 06.69 .68440 1.6096 144.0 20.7 36.6 171 2026 09 19 09 00 15 04.369 -36 53 17.97 .68455 1.6096 144.0 20.7 37.8 171 2026 09 19 10 00 15 03.311 -36 54 29.16 .68470 1.6096 144.0 20.7 39.0 171 2026 09 19 11 00 15 02.252 -36 55 40.25 .68484 1.6096 144.0 20.7 40.3 171 2026 09 19 12 00 15 01.191 -36 56 51.24 .68499 1.6096 143.9 20.7 41.5 171 2026 09 19 13 00 15 00.129 -36 58 02.13 .68515 1.6096 143.9 20.7 42.8 171 2026 09 19 14 00 14 59.066 -36 59 12.92 .68530 1.6096 143.9 20.7 44.1 171 2026 09 19 15 00 14 58.001 -37 00 23.61 .68545 1.6096 143.9 20.7 45.5 171 2026 09 19 16 00 14 56.936 -37 01 34.21 .68560 1.6096 143.8 20.7 46.8 171 2026 09 19 17 00 14 55.869 -37 02 44.70 .68575 1.6096 143.8 20.7 48.2 171 2026 09 19 18 00 14 54.801 -37 03 55.10 .68590 1.6097 143.8 20.7 49.5 171