"Pseudo-MPEC" for P12pl4l
Created 2026 Aug 18 18:35:11 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P12pl4l*0C2026 08 13.59136100 54 55.467-09 22 05.82 ~8DGK 21.59wXNEOCPF51
P12pl4l 0C2026 08 13.59818900 54 55.830-09 22 07.39 ~8DGK 21.48wXNEOCPF51
P12pl4l 0C2026 08 13.60480200 54 56.178-09 22 08.69 ~8DGK 21.51wXNEOCPF51
P12pl4l 0C2026 08 13.61141900 54 56.515-09 22 10.04 ~8DGK 21.34wXNEOCPF51
P12pl4l 1C2026 08 14.09317000 55 23.837-09 23 54.90 ~8E6Z 20.9 GXNEOCP033
P12pl4l 1C2026 08 14.09538000 55 23.995-09 23 55.60 ~8E6Z 21.1 GXNEOCP033
P12pl4l 1C2026 08 14.09759000 55 24.107-09 23 56.60 ~8E6Z 20.7 GXNEOCP033
P12pl4l 3C2026 08 14.96928800 56 12.48 -09 26 52.9 ~8I4o 20.5 GVNEOCPK92
P12pl4l 3C2026 08 14.97170100 56 12.60 -09 26 53.7 ~8I4o 20.6 GVNEOCPK92
P12pl4l 3C2026 08 14.97415000 56 12.71 -09 26 54.1 ~8I4o 20.5 GVNEOCPK92
P12pl4l 3C2026 08 14.97656800 56 12.86 -09 26 54.6 ~8I4o 20.7 GVNEOCPK92
P12pl4l KC2026 08 15.02236000 56 15.20 -09 27 16.2 ~8F1K XNEOCPL01
P12pl4l KC2026 08 15.02912600 56 15.55 -09 27 18.9 ~8F1K 20.5 GXNEOCPL01
P12pl4l KC2026 08 15.03591700 56 15.89 -09 27 19.8 ~8F1K 20.4 GXNEOCPL01
P12pl4l KC2026 08 18.31393600 59 05.09 -09 40 27.0 ~8I85 20.6 GVNEOCPH21
P12pl4l KC2026 08 18.31953400 59 05.34 -09 40 28.1 ~8I85 21.7 GVNEOCPH21
Station data:
(033) Karl Schwarzschild Observatory, Tautenburg (N50.980139 E11.711240)
Germany. Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
(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.
(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.
(K92) Sutherland-LCO B (S32.380540 E20.810040) South Africa. Observers T.
Lister, S. Greenstreet, E. Gomez. Measurer S. Greenstreet. 1.0-m f/6.3
Cassegrain + CCD.
(L01) Višnjan Observatory, Tičan (N45.290897 E13.749300) Croatia.
Observers K. Korlević, L. Poropat. Measurer K. Korlevic. 1.0-m f/2.9
reflector + CCD.
Orbital elements: P12pl4l
Perihelion 2026 Oct 26.714698 +/- 2.95 TT = 17:09:09.9 (JD 2461340.214698)
Epoch 2026 Aug 18.0 TT = JDT 2461270.5 Earth MOID: 0.6750 AutoNEOCP
M 344.206592598 +/- 1.1 (J2000 ecliptic)
n 0.226543438 +/- 0.00683 Peri. 290.862203 +/- 2.3
a 2.665027682 +/- 0.0536 Node 91.168700 +/- 0.6
e 0.37991324 +/- 0.00761 Incl. 7.711514 +/- 0.054
P 4.35063 H 18.90 G 0.15 U 9.4
q 1.652548359 +/- 0.0132 Q 3.677507006 +/- 0.0941
From 16 observations 2026 Aug. 13-18; mean residual 0".35
Residuals in arcseconds: 260813 F51 .01- .12+ 260814 033 .87+ .80- 260815 L01 .33- .70- 260813 F51 .02+ .04- 260814 K92 .12+ .23+ 260815 L01 .50- .06- 260813 F51 .02- .03+ 260814 K92 .04+ .02- 260818 H21 .09+ .15- 260813 F51 .22- .04+ 260814 K92 .21- .14+ 260818 H21 .01- .21+ 260814 033 .36+ .04- 260814 K92 .16+ .19+ 260814 033 .95+ .27- 260815 L01 .32- .47+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 18 19 00 59 27.992 -09 42 23.49 .88483 1.7453 133.8 21.0 .234 29 2026 08 18 20 00 59 29.989 -09 42 34.41 .88451 1.7452 133.8 21.0 .246 28 2026 08 18 21 00 59 31.983 -09 42 45.35 .88419 1.7451 133.8 21.0 .258 28 2026 08 18 22 00 59 33.974 -09 42 56.31 .88387 1.7450 133.8 21.0 .271 27 2026 08 18 23 00 59 35.962 -09 43 07.28 .88355 1.7449 133.9 21.0 .284 27 2026 08 19 00 00 59 37.947 -09 43 18.27 .88323 1.7448 133.9 21.0 .297 26 2026 08 19 01 00 59 39.929 -09 43 29.28 .88291 1.7447 133.9 21.0 .310 26 2026 08 19 02 00 59 41.908 -09 43 40.30 .88259 1.7446 134.0 21.0 .324 26 2026 08 19 03 00 59 43.883 -09 43 51.34 .88227 1.7445 134.0 21.0 .338 25 2026 08 19 04 00 59 45.856 -09 44 02.40 .88195 1.7443 134.0 21.0 .352 25 2026 08 19 05 00 59 47.825 -09 44 13.48 .88163 1.7442 134.1 21.0 .366 25 2026 08 19 06 00 59 49.792 -09 44 24.57 .88131 1.7441 134.1 21.0 .380 25 2026 08 19 07 00 59 51.755 -09 44 35.68 .88099 1.7440 134.1 21.0 .394 24 2026 08 19 08 00 59 53.716 -09 44 46.81 .88067 1.7439 134.1 21.0 .409 24 2026 08 19 09 00 59 55.673 -09 44 57.95 .88036 1.7438 134.2 21.0 .424 24 2026 08 19 10 00 59 57.627 -09 45 09.12 .88004 1.7437 134.2 21.0 .439 24 2026 08 19 11 00 59 59.579 -09 45 20.29 .87972 1.7436 134.2 21.0 .454 24 2026 08 19 12 01 00 01.527 -09 45 31.49 .87940 1.7435 134.3 21.0 .470 23 2026 08 19 13 01 00 03.472 -09 45 42.70 .87908 1.7434 134.3 21.0 .485 23 2026 08 19 14 01 00 05.414 -09 45 53.93 .87877 1.7433 134.3 21.0 .501 23 2026 08 19 15 01 00 07.353 -09 46 05.18 .87845 1.7432 134.4 21.0 .517 23 2026 08 19 16 01 00 09.288 -09 46 16.44 .87813 1.7431 134.4 21.0 .533 23 2026 08 19 17 01 00 11.221 -09 46 27.72 .87782 1.7430 134.4 21.0 .550 23 2026 08 19 18 01 00 13.151 -09 46 39.02 .87750 1.7429 134.4 21.0 .567 23 2026 08 19 19 01 00 15.077 -09 46 50.33 .87718 1.7428 134.5 21.0 .583 22 2026 08 19 20 01 00 17.001 -09 47 01.66 .87687 1.7427 134.5 21.0 .600 22 2026 08 19 21 01 00 18.921 -09 47 13.01 .87655 1.7426 134.5 21.0 .618 22 2026 08 19 22 01 00 20.839 -09 47 24.38 .87623 1.7424 134.6 21.0 .635 22 2026 08 19 23 01 00 22.753 -09 47 35.76 .87592 1.7423 134.6 21.0 .653 22 2026 08 20 00 01 00 24.664 -09 47 47.16 .87560 1.7422 134.6 21.0 .670 22 2026 08 20 01 01 00 26.572 -09 47 58.57 .87529 1.7421 134.7 21.0 .688 22 2026 08 20 02 01 00 28.477 -09 48 10.00 .87497 1.7420 134.7 21.0 .707 22 2026 08 20 03 01 00 30.379 -09 48 21.45 .87466 1.7419 134.7 21.0 .725 22 2026 08 20 04 01 00 32.277 -09 48 32.92 .87435 1.7418 134.7 21.0 .744 22 2026 08 20 05 01 00 34.173 -09 48 44.40 .87403 1.7417 134.8 20.9 .763 22 2026 08 20 06 01 00 36.065 -09 48 55.90 .87372 1.7416 134.8 20.9 .782 22 2026 08 20 07 01 00 37.955 -09 49 07.41 .87340 1.7415 134.8 20.9 .801 22 2026 08 20 08 01 00 39.841 -09 49 18.94 .87309 1.7414 134.9 20.9 .820 21 2026 08 20 09 01 00 41.724 -09 49 30.49 .87278 1.7413 134.9 20.9 .840 21 2026 08 20 10 01 00 43.604 -09 49 42.06 .87246 1.7412 134.9 20.9 .860 21 2026 08 20 11 01 00 45.481 -09 49 53.64 .87215 1.7411 135.0 20.9 .880 21 2026 08 20 12 01 00 47.355 -09 50 05.24 .87184 1.7410 135.0 20.9 .900 21 2026 08 20 13 01 00 49.226 -09 50 16.85 .87153 1.7409 135.0 20.9 .920 21 2026 08 20 14 01 00 51.093 -09 50 28.48 .87121 1.7408 135.0 20.9 .941 21 2026 08 20 15 01 00 52.958 -09 50 40.13 .87090 1.7407 135.1 20.9 .962 21 2026 08 20 16 01 00 54.819 -09 50 51.80 .87059 1.7406 135.1 20.9 .983 21 2026 08 20 17 01 00 56.677 -09 51 03.48 .87028 1.7405 135.1 20.9 1.00 21 2026 08 20 18 01 00 58.533 -09 51 15.17 .86997 1.7404 135.2 20.9 1.03 21