"Pseudo-MPEC" for P12r4oE
Created 2026 Oct 15 10:35:20 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12r4oE*0C2026 10 06.39835000 22 47.130+36 50 33.12 ~ADI5 22.38wXNEOCPF51
P12r4oE 0C2026 10 06.40977800 22 46.237+36 50 27.91 ~ADI5 22.10wXNEOCPF51
P12r4oE 0C2026 10 06.42115900 22 45.379+36 50 22.27 ~ADI5 22.18wXNEOCPF51
P12r4oE 0C2026 10 06.43269600 22 44.495+36 50 16.56 ~ADI5 22.16wXNEOCPF51
P12r4oE 0C2026 10 06.55291000 22 35.368+36 49 16.54 ~ADI5 21.66GVNEOCPF52
P12r4oE 0C2026 10 06.55373400 22 35.290+36 49 16.15 ~ADI5 22.02GVNEOCPF52
P12r4oE KC2026 10 07.17581600 21 50.64 +36 44 05.9 ~ADI5 21.4 GVNEOCPH21
P12r4oE KC2026 10 07.18159300 21 50.21 +36 44 03.3 ~ADI5 22.0 GVNEOCPH21
P12r4oE KC2026 10 07.18467400 21 49.96 +36 44 01.9 ~ADI5 22.0 GVNEOCPH21
Station data:
(F51) Pan-STARRS 1, Haleakala (N20.707234 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.
(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.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.40-m f/5.32 astrograph + CCD.
Orbital elements: P12r4oE
Perihelion 2027 Apr 5.381997 +/- 271 TT = 9:10:04.5 (JD 2461500.881997)
Epoch 2026 Oct 7.0 TT = JDT 2461320.5 Earth MOID: 0.3664 Ma: 0.0588
M 313.690360559 +/- 80 (J2000 ecliptic) AutoNEOCP
n 0.256730938 +/- 0.049 Peri. 227.123843 +/- 54
a 2.451793616 +/- 0.312 Node 250.361488 +/- 16
e 0.47934027 +/- 0.141 Incl. 20.927200 +/- 1.6
P 3.83907 H 19.28 G 0.15 U 10.8 SR
q 1.276550180 +/- 0.161 Q 3.627037052 +/- 0.736
From 9 observations 2026 Oct. 6-7 (18.9 hr); mean residual 0".19
Residuals in arcseconds: 261006 F51 .24+ .06- 261006 F51 .07+ .01- 261007 H21 .20+ .14- 261006 F51 .01- .23+ 261006 F52 .16- .17- 261007 H21 .30+ .17+ 261006 F51 .12+ .09+ 261006 F52 .36- .14- 261007 H21 .10+ .32+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 15 11 00 11 52.577 +35 15 23.18 1.1286 2.0486 149.0 21.9 290 130 2026 10 15 12 00 11 49.657 +35 14 50.89 1.1283 2.0484 149.0 21.9 293 130 2026 10 15 13 00 11 46.738 +35 14 18.55 1.1281 2.0481 149.0 21.9 296 130 2026 10 15 14 00 11 43.821 +35 13 46.16 1.1279 2.0479 149.0 21.9 299 130 2026 10 15 15 00 11 40.905 +35 13 13.71 1.1276 2.0476 149.0 21.9 302 130 2026 10 15 16 00 11 37.991 +35 12 41.21 1.1274 2.0474 149.0 21.9 304 130 2026 10 15 17 00 11 35.078 +35 12 08.66 1.1272 2.0471 149.0 21.9 307 130 2026 10 15 18 00 11 32.167 +35 11 36.06 1.1270 2.0469 148.9 21.9 310 130 2026 10 15 19 00 11 29.258 +35 11 03.40 1.1267 2.0467 148.9 21.9 313 130 2026 10 15 20 00 11 26.350 +35 10 30.69 1.1265 2.0464 148.9 21.9 316 130 2026 10 15 21 00 11 23.443 +35 09 57.93 1.1263 2.0462 148.9 21.9 319 130 2026 10 15 22 00 11 20.538 +35 09 25.11 1.1261 2.0459 148.9 21.9 322 130 2026 10 15 23 00 11 17.635 +35 08 52.24 1.1258 2.0457 148.9 21.9 325 131 2026 10 16 00 00 11 14.733 +35 08 19.32 1.1256 2.0454 148.9 21.9 328 131 2026 10 16 01 00 11 11.833 +35 07 46.35 1.1254 2.0452 148.9 21.9 331 131 2026 10 16 02 00 11 08.934 +35 07 13.33 1.1251 2.0449 148.9 21.9 334 131 2026 10 16 03 00 11 06.038 +35 06 40.25 1.1249 2.0447 148.9 21.9 337 131 2026 10 16 04 00 11 03.142 +35 06 07.12 1.1247 2.0444 148.9 21.9 340 131 2026 10 16 05 00 11 00.248 +35 05 33.94 1.1245 2.0442 148.9 21.9 343 131 2026 10 16 06 00 10 57.356 +35 05 00.70 1.1243 2.0439 148.9 21.9 346 131 2026 10 16 07 00 10 54.466 +35 04 27.42 1.1240 2.0437 148.9 21.9 349 131 2026 10 16 08 00 10 51.577 +35 03 54.08 1.1238 2.0434 148.9 21.9 353 131 2026 10 16 09 00 10 48.690 +35 03 20.69 1.1236 2.0432 148.9 21.9 356 131 2026 10 16 10 00 10 45.804 +35 02 47.25 1.1234 2.0429 148.9 21.9 359 131 2026 10 16 11 00 10 42.920 +35 02 13.75 1.1231 2.0427 148.9 21.9 362 131 2026 10 16 12 00 10 40.038 +35 01 40.21 1.1229 2.0425 148.9 21.9 365 131 2026 10 16 13 00 10 37.158 +35 01 06.61 1.1227 2.0422 148.9 21.9 368 131 2026 10 16 14 00 10 34.279 +35 00 32.96 1.1225 2.0420 148.9 21.9 372 131 2026 10 16 15 00 10 31.402 +34 59 59.26 1.1223 2.0417 148.9 21.9 375 131 2026 10 16 16 00 10 28.527 +34 59 25.50 1.1220 2.0415 148.9 21.9 378 131 2026 10 16 17 00 10 25.653 +34 58 51.70 1.1218 2.0412 148.9 21.9 381 131 2026 10 16 18 00 10 22.781 +34 58 17.84 1.1216 2.0410 148.9 21.9 384 131 2026 10 16 19 00 10 19.911 +34 57 43.94 1.1214 2.0407 148.9 21.9 388 131 2026 10 16 20 00 10 17.042 +34 57 09.98 1.1212 2.0405 148.8 21.9 391 131 2026 10 16 21 00 10 14.176 +34 56 35.96 1.1210 2.0402 148.8 21.9 394 131 2026 10 16 22 00 10 11.311 +34 56 01.90 1.1207 2.0400 148.8 21.9 398 131 2026 10 16 23 00 10 08.448 +34 55 27.79 1.1205 2.0397 148.8 21.9 401 131 2026 10 17 00 00 10 05.586 +34 54 53.62 1.1203 2.0395 148.8 21.9 404 131 2026 10 17 01 00 10 02.727 +34 54 19.41 1.1201 2.0392 148.8 21.9 408 131 2026 10 17 02 00 09 59.869 +34 53 45.14 1.1199 2.0390 148.8 21.9 411 131 2026 10 17 03 00 09 57.013 +34 53 10.82 1.1197 2.0388 148.8 21.9 414 131 2026 10 17 04 00 09 54.159 +34 52 36.45 1.1194 2.0385 148.8 21.9 418 131 2026 10 17 05 00 09 51.307 +34 52 02.03 1.1192 2.0383 148.8 21.9 421 131 2026 10 17 06 00 09 48.456 +34 51 27.56 1.1190 2.0380 148.8 21.9 425 131 2026 10 17 07 00 09 45.608 +34 50 53.03 1.1188 2.0378 148.8 21.9 428 132 2026 10 17 08 00 09 42.761 +34 50 18.46 1.1186 2.0375 148.8 21.9 431 132 2026 10 17 09 00 09 39.916 +34 49 43.83 1.1184 2.0373 148.8 21.9 435 132 2026 10 17 10 00 09 37.073 +34 49 09.16 1.1182 2.0370 148.8 21.9 438 132