"Pseudo-MPEC" for STO1507
Created 2026 Oct 1 13:35:10 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
STO1507 0C2026 07 26.54331423 44 38.192-18 13 52.51 ~A11K 21.70wXNEOCPF52
STO1507 0C2026 07 26.56649323 44 38.977-18 14 19.87 ~A11K 21.68wXNEOCPF52
STO1507 0C2026 07 26.57799323 44 39.393-18 14 33.15 ~A11K 21.78wXNEOCPF52
STO1507 C2026 09 15.13078 23 43 45.89 -39 59 35.7 ~9MHF 20.5 RXNEOCPX19
STO1507 C2026 09 15.13522 23 43 45.71 -39 59 42.7 ~9MHF 19.9 RXNEOCPX19
STO1507 C2026 09 15.13961 23 43 45.61 -39 59 48.6 ~9MHF 20.3 RXNEOCPX19
STO1507 C2026 09 15.14401 23 43 45.45 -39 59 54.6 ~9MHF 19.9 RXNEOCPX19
STO1507 C2026 09 15.14796 23 43 45.23 -40 00 00.5 ~9MHF 19.6 RXNEOCPX19
STO1507 C2026 09 16.27966 23 43 02.10 -40 26 24.3 ~9MHF 19.8 RXNEOCPX19
STO1507 C2026 09 16.28676 23 43 01.81 -40 26 34.6 ~9MHF 20.2 RXNEOCPX19
STO1507 C2026 09 16.29388 23 43 01.46 -40 26 43.6 ~9MHF 20.6 RXNEOCPX19
STO1507 C2026 09 17.35146 23 42 20.98 -40 50 45.3 ~9MHF 20.0 RXNEOCPX19
STO1507 C2026 09 17.36212 23 42 20.59 -40 50 58.9 ~9MHF 20.3 RXNEOCPX19
STO1507* C2026 09 19.13582 23 41 12.31 -41 29 56.1 ~9M1q 19.9 RXNEOCPX19
STO1507 C2026 09 19.14290 23 41 11.99 -41 30 05.5 ~9M1q 19.7 RXNEOCPX19
STO1507 C2026 09 19.15006 23 41 11.61 -41 30 14.9 ~9M1q 20.2 RXNEOCPX19
STO1507 |C2026 10 01.01056023 33 34.040-45 00 32.20 ~A10o 20.7 GVNEOCP807
STO1507 |C2026 10 01.01420023 33 33.900-45 00 35.30 ~A10o 21.1 GVNEOCP807
STO1507 |C2026 10 01.01784023 33 33.780-45 00 38.90 ~A10o 21.2 GVNEOCP807
Station data:
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(X19) Santel Observatory, El Leoncito (S31.802444 W69.326170) Argentina.
Observer A. Sankovich. 0.5-m f/1.5 reflector + CMOS.
Orbital elements: STO1507
Perihelion 2027 Jan 20.269259 +/- 0.000894 TT = 6:27:43.9 (JD 2461425.769259)
Epoch 2026 Oct 1.0 TT = JDT 2461314.5 Earth MOID: 0.7875 AutoNEOCP
M 335.638115698 +/- 0.0036 (J2000 ecliptic)
n 0.218945327 +/- 3.36e-5 Peri. 284.017178 +/- 0.007
a 2.726333173 +/- 0.000279 Node 132.083332 +/- 0.0023
e 0.42693658 +/- 3.13e-5 Incl. 29.484313 +/- 0.0028
P 4.50162 H 18.24 G 0.15 U 5.8
q 1.562361788 +/- 0.000106 Q 3.890304557 +/- 0.000469
From 19 observations 2026 July 26-Oct. 1; mean residual 0".51
Residuals in arcseconds: 260726 F52 .03+ .20+ 260915 X19 .25- .45+ 260919 X19 .69+ .13- 260726 F52 .16- .16- 260916 X19 .66- .24- 260919 X19 .09- .26- 260726 F52 .14+ .05- 260916 X19 .61- .85- 261001 807 .18- .22+ 260915 X19 .77- .72+ 260916 X19 1.2- .14- 261001 807 .19- .24+ 260915 X19 .75- .07+ 260917 X19 .60+ .67- 261001 807 .02+ .25- 260915 X19 .17+ .44+ 260917 X19 1.1+ .20- 260915 X19 .41+ .72+ 260919 X19 .85+ .11+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 01 14 23 33 13.338 -45 08 21.61 1.0217 1.8339 130.1 20.7 .294 111 2026 10 01 15 23 33 11.883 -45 08 55.25 1.0218 1.8337 130.0 20.7 .295 111 2026 10 01 16 23 33 10.430 -45 09 28.81 1.0219 1.8335 130.0 20.7 .296 111 2026 10 01 17 23 33 08.978 -45 10 02.30 1.0220 1.8334 130.0 20.7 .297 111 2026 10 01 18 23 33 07.529 -45 10 35.72 1.0221 1.8332 129.9 20.7 .298 111 2026 10 01 19 23 33 06.081 -45 11 09.07 1.0222 1.8330 129.9 20.7 .300 111 2026 10 01 20 23 33 04.635 -45 11 42.36 1.0223 1.8328 129.9 20.7 .301 112 2026 10 01 21 23 33 03.191 -45 12 15.57 1.0224 1.8326 129.8 20.8 .302 112 2026 10 01 22 23 33 01.748 -45 12 48.71 1.0225 1.8325 129.8 20.8 .303 112 2026 10 01 23 23 33 00.308 -45 13 21.78 1.0226 1.8323 129.8 20.8 .304 112 2026 10 02 00 23 32 58.869 -45 13 54.78 1.0227 1.8321 129.7 20.8 .306 112 2026 10 02 01 23 32 57.432 -45 14 27.71 1.0228 1.8319 129.7 20.8 .307 112 2026 10 02 02 23 32 55.997 -45 15 00.57 1.0229 1.8318 129.7 20.8 .308 112 2026 10 02 03 23 32 54.563 -45 15 33.36 1.0230 1.8316 129.6 20.8 .309 112 2026 10 02 04 23 32 53.132 -45 16 06.08 1.0231 1.8314 129.6 20.8 .311 112 2026 10 02 05 23 32 51.702 -45 16 38.72 1.0232 1.8312 129.6 20.8 .312 113 2026 10 02 06 23 32 50.274 -45 17 11.30 1.0233 1.8311 129.5 20.8 .313 113 2026 10 02 07 23 32 48.848 -45 17 43.81 1.0234 1.8309 129.5 20.8 .314 113 2026 10 02 08 23 32 47.424 -45 18 16.25 1.0235 1.8307 129.4 20.8 .315 113 2026 10 02 09 23 32 46.002 -45 18 48.61 1.0236 1.8305 129.4 20.8 .317 113 2026 10 02 10 23 32 44.582 -45 19 20.91 1.0237 1.8304 129.4 20.8 .318 113 2026 10 02 11 23 32 43.163 -45 19 53.14 1.0238 1.8302 129.3 20.8 .319 113 2026 10 02 12 23 32 41.747 -45 20 25.29 1.0240 1.8300 129.3 20.8 .320 113 2026 10 02 13 23 32 40.332 -45 20 57.38 1.0241 1.8298 129.3 20.8 .322 113 2026 10 02 14 23 32 38.920 -45 21 29.39 1.0242 1.8296 129.2 20.8 .323 114 2026 10 02 15 23 32 37.509 -45 22 01.34 1.0243 1.8295 129.2 20.8 .324 114 2026 10 02 16 23 32 36.100 -45 22 33.21 1.0244 1.8293 129.2 20.8 .325 114 2026 10 02 17 23 32 34.693 -45 23 05.01 1.0245 1.8291 129.1 20.8 .327 114 2026 10 02 18 23 32 33.288 -45 23 36.75 1.0246 1.8289 129.1 20.8 .328 114 2026 10 02 19 23 32 31.885 -45 24 08.41 1.0247 1.8288 129.1 20.8 .329 114 2026 10 02 20 23 32 30.484 -45 24 40.00 1.0248 1.8286 129.0 20.8 .330 114 2026 10 02 21 23 32 29.085 -45 25 11.52 1.0249 1.8284 129.0 20.8 .331 114 2026 10 02 22 23 32 27.688 -45 25 42.98 1.0250 1.8282 129.0 20.8 .333 114 2026 10 02 23 23 32 26.293 -45 26 14.36 1.0251 1.8281 128.9 20.8 .334 114 2026 10 03 00 23 32 24.900 -45 26 45.67 1.0252 1.8279 128.9 20.8 .335 115 2026 10 03 01 23 32 23.509 -45 27 16.91 1.0253 1.8277 128.9 20.8 .336 115 2026 10 03 02 23 32 22.120 -45 27 48.08 1.0254 1.8275 128.8 20.8 .338 115 2026 10 03 03 23 32 20.733 -45 28 19.18 1.0255 1.8274 128.8 20.8 .339 115 2026 10 03 04 23 32 19.348 -45 28 50.20 1.0256 1.8272 128.8 20.8 .340 115 2026 10 03 05 23 32 17.965 -45 29 21.16 1.0258 1.8270 128.7 20.8 .341 115 2026 10 03 06 23 32 16.584 -45 29 52.05 1.0259 1.8268 128.7 20.8 .343 115 2026 10 03 07 23 32 15.205 -45 30 22.87 1.0260 1.8267 128.7 20.8 .344 115 2026 10 03 08 23 32 13.828 -45 30 53.61 1.0261 1.8265 128.6 20.8 .345 115 2026 10 03 09 23 32 12.454 -45 31 24.29 1.0262 1.8263 128.6 20.8 .346 115 2026 10 03 10 23 32 11.081 -45 31 54.90 1.0263 1.8261 128.6 20.8 .348 116 2026 10 03 11 23 32 09.710 -45 32 25.43 1.0264 1.8260 128.5 20.8 .349 116 2026 10 03 12 23 32 08.342 -45 32 55.90 1.0265 1.8258 128.5 20.8 .350 116 2026 10 03 13 23 32 06.976 -45 33 26.29 1.0266 1.8256 128.5 20.8 .351 116