"Pseudo-MPEC" for 6EF1B21
Created 2026 May 17 14:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
6EF1B21*KC2026 05 16.17150 15 15 21.21 -18 05 03.8 ~5G9o 20.2 GVNEOCPW94
6EF1B21 KC2026 05 16.17764 15 15 22.02 -18 04 57.9 ~5G9o 19.4 GVNEOCPW94
6EF1B21 KC2026 05 16.18383 15 15 22.92 -18 04 50.7 ~5G9o VNEOCPW94
6EF1B21 7B2026 05 16.85656015 18 13.061-17 54 21.80 ~5H6Z 20.1 GXNEOCPZ84
6EF1B21 7B2026 05 16.86055415 18 13.947-17 54 17.24 ~5H6Z 19.9 GXNEOCPZ84
6EF1B21 7B2026 05 16.86456315 18 14.847-17 54 12.38 ~5H6Z 19.9 GXNEOCPZ84
6EF1B21 1C2026 05 17.30000715 20 14.467-17 43 49.48 ~5H8K 19.51GVNEOCPI52
6EF1B21 1C2026 05 17.32444515 20 20.310-17 43 11.64 ~5H8K 19.02GVNEOCPI52
6EF1B21 1C2026 05 17.32572315 20 20.612-17 43 09.44 ~5H8K 19.15GVNEOCPI52
6EF1B21 1C2026 05 17.32700315 20 20.915-17 43 07.36 ~5H8K 19.06GVNEOCPI52
6EF1B21 KB2026 05 17.54820515 21 44.117-17 37 00.94 ~5HDo 18.8 GXNEOCPQ06
6EF1B21 KB2026 05 17.55570315 21 46.178-17 36 48.63 ~5HDo XNEOCPQ06
6EF1B21 KB2026 05 17.56320215 21 48.261-17 36 36.19 ~5HDo 17.9 GXNEOCPQ06
Station data:
(I52) Steward Observatory, Mt. Lemmon Station (N32.442570 W110.788920)
US/Arizona. Measurers T. Beuden, V. F. Carvajal, D. Fay, J. B. Fazekas, D.
C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. K. Hogan, R. A.
Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchoś. 1.0-m prime focus + CCD.
(Q06) Tarui Observatory, Tarui (N35.394791 E136.495470) Japan. Observer H.
Watanabe. 0.35-m f/1.9 Schmidt-Cassegrain + CMO.
(W94) AMACS1, San Pedro de Atacama (S22.953074 W68.179810) Chile. Observers
A. Maury, G. Attard. Measurers A. Maury, G. Attard, D. Parrott. 0.28-m
f/2.2 Schmidt + CCD.
(Z84) Calar Alto-Schmidt (N37.224006 W2.548160) Spain. Observer F. Ocaña.
Measurers F. Ocaña, M. Micheli, R. Kresken. 0.8-m f/3 Schmidt + CCD.
Orbital elements: 6EF1B21
Perihelion 2026 Jul 6.250285 +/- 0.0377 TT = 6:00:24.6 (JD 2461227.750285)
Epoch 2026 May 17.0 TT = JDT 2461177.5 Earth MOID: 0.0025 Ve: 0.0935
M 338.962251336 +/- 0.10 Ma: 0.0012 AutoNEOCP
n 0.418659288 +/- 0.00178 Peri. 71.097388 +/- 0.012
a 1.769683338 +/- 0.00503 Node 234.695491 +/- 0.00021
e 0.54379115 +/- 0.00152 Incl. 1.323809 +/- 0.0028
P 2.354/859.872d H 26.13 G 0.15 U 8.5
q 0.807345192 +/- 0.000408 Q 2.732021484 +/- 0.0105 (J2000 ecliptic)
From 13 observations 2026 May 16-17 (33.4 hr); mean residual 0".39
Residuals in arcseconds: 260516 W94 .04+ .03+ 260516 Z84 .06+ .56+ 260517 Q06 .39+ .12- 260516 W94 .37- .47- 260517 I52 .01+ 1.5+ 260517 Q06 .03- .08- 260516 W94 .37+ .18+ 260517 I52 .05- .45- 260517 Q06 .10- .07- 260516 Z84 .05+ .24- 260517 I52 .14- .38- 260516 Z84 .05- .03+ 260517 I52 .23- .44- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 05 17 15 15 22 06.994 -17 31 33.85 .03621 1.0475 176.2 19.4 .561 172 2026 05 17 16 15 22 22.543 -17 30 15.37 .03587 1.0471 176.2 19.3 .582 173 2026 05 17 17 15 22 38.385 -17 28 55.34 .03554 1.0468 176.2 19.3 .603 174 2026 05 17 18 15 22 54.526 -17 27 33.71 .03520 1.0465 176.2 19.3 .625 174 2026 05 17 19 15 23 10.976 -17 26 10.44 .03486 1.0461 176.2 19.3 .647 175 2026 05 17 20 15 23 27.744 -17 24 45.47 .03453 1.0458 176.2 19.3 .670 176 2026 05 17 21 15 23 44.839 -17 23 18.75 .03419 1.0455 176.2 19.2 .693 176 2026 05 17 22 15 24 02.270 -17 21 50.23 .03386 1.0452 176.2 19.2 .718 177 2026 05 17 23 15 24 20.048 -17 20 19.85 .03352 1.0448 176.2 19.2 .743 178 2026 05 18 00 15 24 38.181 -17 18 47.56 .03318 1.0445 176.3 19.2 .769 179 2026 05 18 01 15 24 56.682 -17 17 13.29 .03285 1.0442 176.3 19.1 .795 179 2026 05 18 02 15 25 15.561 -17 15 36.98 .03251 1.0439 176.3 19.1 .823 0 2026 05 18 03 15 25 34.830 -17 13 58.55 .03218 1.0435 176.3 19.1 .851 1 2026 05 18 04 15 25 54.501 -17 12 17.96 .03184 1.0432 176.3 19.1 .880 1 2026 05 18 05 15 26 14.586 -17 10 35.11 .03151 1.0429 176.3 19.1 .911 2 2026 05 18 06 15 26 35.099 -17 08 49.94 .03117 1.0426 176.3 19.0 .942 3 2026 05 18 07 15 26 56.052 -17 07 02.36 .03083 1.0422 176.3 19.0 .974 4 2026 05 18 08 15 27 17.461 -17 05 12.30 .03050 1.0419 176.3 19.0 1.01 4 2026 05 18 09 15 27 39.339 -17 03 19.66 .03016 1.0416 176.3 19.0 1.04 5 2026 05 18 10 15 28 01.703 -17 01 24.36 .02983 1.0413 176.3 18.9 1.08 6 2026 05 18 11 15 28 24.568 -16 59 26.30 .02949 1.0409 176.3 18.9 1.12 7 2026 05 18 12 15 28 47.951 -16 57 25.39 .02916 1.0406 176.4 18.9 1.15 7 2026 05 18 13 15 29 11.870 -16 55 21.51 .02883 1.0403 176.4 18.9 1.20 8 2026 05 18 14 15 29 36.344 -16 53 14.56 .02849 1.0400 176.4 18.8 1.24 9 2026 05 18 15 15 30 01.391 -16 51 04.43 .02816 1.0396 176.4 18.8 1.28 10 2026 05 18 16 15 30 27.031 -16 48 51.00 .02782 1.0393 176.4 18.8 1.33 10 2026 05 18 17 15 30 53.285 -16 46 34.14 .02749 1.0390 176.4 18.7 1.37 11 2026 05 18 18 15 31 20.176 -16 44 13.71 .02715 1.0387 176.4 18.7 1.42 12 2026 05 18 19 15 31 47.727 -16 41 49.59 .02682 1.0383 176.4 18.7 1.47 13 2026 05 18 20 15 32 15.961 -16 39 21.61 .02649 1.0380 176.4 18.7 1.53 14 2026 05 18 21 15 32 44.905 -16 36 49.64 .02615 1.0377 176.4 18.6 1.58 14 2026 05 18 22 15 33 14.585 -16 34 13.50 .02582 1.0374 176.4 18.6 1.64 15 2026 05 18 23 15 33 45.028 -16 31 33.03 .02549 1.0370 176.4 18.6 1.70 16 2026 05 19 00 15 34 16.265 -16 28 48.04 .02515 1.0367 176.4 18.5 1.77 17 2026 05 19 01 15 34 48.325 -16 25 58.35 .02482 1.0364 176.4 18.5 1.83 17 2026 05 19 02 15 35 21.243 -16 23 03.76 .02449 1.0361 176.4 18.5 1.90 18 2026 05 19 03 15 35 55.051 -16 20 04.04 .02416 1.0357 176.4 18.5 1.98 19 2026 05 19 04 15 36 29.787 -16 16 58.99 .02382 1.0354 176.3 18.4 2.05 20 2026 05 19 05 15 37 05.487 -16 13 48.35 .02349 1.0351 176.3 18.4 2.14 21 2026 05 19 06 15 37 42.193 -16 10 31.89 .02316 1.0348 176.3 18.4 2.22 21 2026 05 19 07 15 38 19.947 -16 07 09.33 .02283 1.0344 176.3 18.3 2.31 22 2026 05 19 08 15 38 58.792 -16 03 40.39 .02250 1.0341 176.2 18.3 2.40 23 2026 05 19 09 15 39 38.778 -16 00 04.77 .02217 1.0338 176.2 18.3 2.50 24 2026 05 19 10 15 40 19.952 -15 56 22.15 .02183 1.0335 176.1 18.2 2.61 25 2026 05 19 11 15 41 02.370 -15 52 32.19 .02150 1.0331 176.1 18.2 2.72 25 2026 05 19 12 15 41 46.086 -15 48 34.54 .02117 1.0328 176.0 18.2 2.84 26 2026 05 19 13 15 42 31.160 -15 44 28.81 .02084 1.0325 176.0 18.2 2.96 27 2026 05 19 14 15 43 17.655 -15 40 14.59 .02051 1.0322 175.9 18.1 3.09 28