"Pseudo-MPEC" for P12r4oH
Created 2026 Oct 19 19:35:16 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12r4oH*0C2026 10 06.40908700 07 58.886+33 57 55.14 ~AIHo 22.58wXNEOCPF51
P12r4oH 0C2026 10 06.42046500 07 58.086+33 57 47.72 ~AIHo 21.99wXNEOCPF51
P12r4oH 0C2026 10 06.43181700 07 57.293+33 57 40.49 ~AIHo 21.95wXNEOCPF51
P12r4oH 0C2026 10 06.54710500 07 49.298+33 56 25.02 ~AIHo 22.22GVNEOCPF52
P12r4oH 0C2026 10 06.54793500 07 49.208+33 56 24.65 ~AIHo 22.24GVNEOCPF52
P12r4oH 3C2026 10 10.52868600 03 31.163+33 10 37.26 ~AIHo 22.30GVNEOCPT14
P12r4oH 3C2026 10 10.52990600 03 31.082+33 10 36.31 ~AIHo 22.36GVNEOCPT14
P12r4oH 3C2026 10 10.53111000 03 31.006+33 10 35.45 ~AIHo 22.39GVNEOCPT14
P12r4oH 1C2026 10 16.24538723 57 54.983+31 55 06.49 ~AIHo 22.67GVNEOCPT12
P12r4oH 1C2026 10 16.24924923 57 54.780+31 55 03.57 ~AIHo 22.51GVNEOCPT12
P12r4oH 1C2026 10 16.25311123 57 54.521+31 55 00.23 ~AIHo 21.77GVNEOCPT12
P12r4oH KC2026 10 18.12772623 56 14.92 +31 28 08.9 ~AIHo 22.6 GVNEOCPH21
P12r4oH KC2026 10 18.18668823 56 11.73 +31 27 17.8 ~AIHo 22.7 GVNEOCPH21
P12r4oH KC2026 10 18.18957723 56 11.57 +31 27 15.3 ~AIHo 22.5 GVNEOCPH21
P12r4oH KC2026 10 18.19265923 56 11.40 +31 27 12.7 ~AIHo 22.4 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.
(T12) Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m) (N19.823004
W155.469460) US/Hawaii. Observer R. Weryk. 2.24-m f/10.1 University of
Hawaii reflector.
(T14) Mauna Kea-UH/Tholen NEO Follow-Up (CFHT) (N19.825265 W155.468902)
US/Hawaii. Observer R. Weryk. 3.6-m Canada-France-Hawaii Telescope.
Orbital elements: P12r4oH
Perihelion 2027 Dec 13.997455 +/- 0.646 TT = 23:56:20.1 (JD 2461753.497455)
Epoch 2026 Oct 18.0 TT = JDT 2461331.5 Earth MOID: 0.8577 AutoNEOCP
M 209.368118127 +/- 0.24 (J2000 ecliptic)
n 0.356949740 +/- 5.71e-5 Peri. 273.761274 +/- 0.18
a 1.968179342 +/- 0.00021 Node 259.118916 +/- 0.021
e 0.10165738 +/- 0.000226 Incl. 18.336093 +/- 0.006
P 2.76119 H 19.65 G 0.15 U 6.3
q 1.768099369 +/- 0.00027 Q 2.168259314 +/- 0.00067
From 15 observations 2026 Oct. 6-18; mean residual 0".17
Residuals in arcseconds: 261006 F51 .03+ .04+ 261010 T14 .02+ .02+ 261016 T12 .26- .02- 261006 F51 .00 .07- 261010 T14 .01- .01- 261018 H21 .21+ .05+ 261006 F51 .03+ .00 261010 T14 .02+ .04+ 261018 H21 .16+ .33+ 261006 F52 .16+ .10- 261016 T12 .00 .17- 261018 H21 .11+ .36+ 261006 F52 .25- .08+ 261016 T12 .23+ .12+ 261018 H21 .07+ .46+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 19 20 23 54 49.785 +31 03 02.37 1.2332 2.1459 148.4 22.6 .189 125 2026 10 19 21 23 54 47.776 +31 02 25.08 1.2333 2.1459 148.4 22.6 .191 125 2026 10 19 22 23 54 45.770 +31 01 47.77 1.2334 2.1459 148.4 22.6 .194 124 2026 10 19 23 23 54 43.768 +31 01 10.43 1.2334 2.1458 148.3 22.6 .197 124 2026 10 20 00 23 54 41.769 +31 00 33.08 1.2335 2.1458 148.3 22.6 .199 124 2026 10 20 01 23 54 39.773 +30 59 55.70 1.2336 2.1458 148.3 22.6 .202 124 2026 10 20 02 23 54 37.780 +30 59 18.30 1.2337 2.1458 148.3 22.6 .205 124 2026 10 20 03 23 54 35.791 +30 58 40.88 1.2338 2.1457 148.3 22.6 .207 124 2026 10 20 04 23 54 33.805 +30 58 03.45 1.2338 2.1457 148.3 22.6 .210 124 2026 10 20 05 23 54 31.822 +30 57 25.99 1.2339 2.1457 148.2 22.6 .213 124 2026 10 20 06 23 54 29.843 +30 56 48.51 1.2340 2.1457 148.2 22.6 .216 124 2026 10 20 07 23 54 27.866 +30 56 11.01 1.2341 2.1457 148.2 22.6 .219 124 2026 10 20 08 23 54 25.894 +30 55 33.49 1.2342 2.1456 148.2 22.6 .221 124 2026 10 20 09 23 54 23.924 +30 54 55.95 1.2342 2.1456 148.2 22.6 .224 124 2026 10 20 10 23 54 21.958 +30 54 18.39 1.2343 2.1456 148.2 22.6 .227 124 2026 10 20 11 23 54 19.995 +30 53 40.81 1.2344 2.1456 148.1 22.6 .230 124 2026 10 20 12 23 54 18.036 +30 53 03.21 1.2345 2.1456 148.1 22.6 .233 124 2026 10 20 13 23 54 16.080 +30 52 25.59 1.2346 2.1455 148.1 22.6 .236 123 2026 10 20 14 23 54 14.127 +30 51 47.95 1.2346 2.1455 148.1 22.6 .239 123 2026 10 20 15 23 54 12.178 +30 51 10.29 1.2347 2.1455 148.1 22.6 .242 123 2026 10 20 16 23 54 10.232 +30 50 32.61 1.2348 2.1455 148.1 22.6 .244 123 2026 10 20 17 23 54 08.289 +30 49 54.91 1.2349 2.1454 148.0 22.6 .247 123 2026 10 20 18 23 54 06.350 +30 49 17.19 1.2350 2.1454 148.0 22.6 .250 123 2026 10 20 19 23 54 04.414 +30 48 39.45 1.2351 2.1454 148.0 22.6 .253 123 2026 10 20 20 23 54 02.481 +30 48 01.70 1.2352 2.1454 148.0 22.6 .256 123 2026 10 20 21 23 54 00.552 +30 47 23.92 1.2352 2.1454 148.0 22.6 .259 123 2026 10 20 22 23 53 58.626 +30 46 46.13 1.2353 2.1453 148.0 22.6 .262 123 2026 10 20 23 23 53 56.704 +30 46 08.31 1.2354 2.1453 147.9 22.6 .265 123 2026 10 21 00 23 53 54.785 +30 45 30.48 1.2355 2.1453 147.9 22.6 .268 123 2026 10 21 01 23 53 52.869 +30 44 52.63 1.2356 2.1453 147.9 22.6 .272 123 2026 10 21 02 23 53 50.957 +30 44 14.75 1.2357 2.1452 147.9 22.6 .275 123 2026 10 21 03 23 53 49.048 +30 43 36.86 1.2358 2.1452 147.9 22.6 .278 123 2026 10 21 04 23 53 47.142 +30 42 58.96 1.2359 2.1452 147.8 22.6 .281 123 2026 10 21 05 23 53 45.240 +30 42 21.03 1.2359 2.1452 147.8 22.6 .284 123 2026 10 21 06 23 53 43.342 +30 41 43.08 1.2360 2.1452 147.8 22.6 .287 123 2026 10 21 07 23 53 41.446 +30 41 05.12 1.2361 2.1451 147.8 22.6 .290 122 2026 10 21 08 23 53 39.554 +30 40 27.14 1.2362 2.1451 147.8 22.6 .293 122 2026 10 21 09 23 53 37.666 +30 39 49.14 1.2363 2.1451 147.8 22.6 .297 122 2026 10 21 10 23 53 35.781 +30 39 11.12 1.2364 2.1451 147.7 22.6 .300 122 2026 10 21 11 23 53 33.899 +30 38 33.08 1.2365 2.1450 147.7 22.6 .303 122 2026 10 21 12 23 53 32.021 +30 37 55.03 1.2366 2.1450 147.7 22.6 .306 122 2026 10 21 13 23 53 30.146 +30 37 16.95 1.2367 2.1450 147.7 22.6 .309 122 2026 10 21 14 23 53 28.275 +30 36 38.86 1.2368 2.1450 147.7 22.6 .313 122 2026 10 21 15 23 53 26.407 +30 36 00.75 1.2369 2.1450 147.6 22.6 .316 122 2026 10 21 16 23 53 24.543 +30 35 22.63 1.2369 2.1449 147.6 22.6 .319 122 2026 10 21 17 23 53 22.682 +30 34 44.48 1.2370 2.1449 147.6 22.6 .323 122 2026 10 21 18 23 53 20.824 +30 34 06.32 1.2371 2.1449 147.6 22.6 .326 122 2026 10 21 19 23 53 18.970 +30 33 28.14 1.2372 2.1449 147.6 22.6 .329 122