"Pseudo-MPEC" for A11GrOE
Created 2026 Sep 10 9:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11GrOE*0C2026 09 08.94488100 42 55.970-31 49 23.45 ~993o 17.93oVNEOCPM22
A11GrOE 0C2026 09 08.94746300 43 01.092-31 48 40.21 ~993o 17.89oVNEOCPM22
A11GrOE 0C2026 09 08.97297700 43 51.322-31 41 25.22 ~993o 18.08oVNEOCPM22
A11GrOE 0C2026 09 08.97658100 43 58.387-31 40 22.87 ~993o 17.98oVNEOCPM22
A11GrOE 1C2026 09 09.31975400 57 35.111-30 07 10.78 ~997o 18.35GVNEOCPI52
A11GrOE 1C2026 09 09.31992400 57 35.428-30 07 07.43 ~997o 18.26GVNEOCPI52
A11GrOE 1C2026 09 09.32009400 57 35.788-30 07 04.15 ~997o 18.39GVNEOCPI52
A11GrOE 1C2026 09 09.32026300 57 36.140-30 07 01.45 ~997o 17.98GVNEOCPI52
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.
(M22) ATLAS South Africa, Sutherland (S32.380156 E20.810590) South Africa.
Observers L. Denneau, R. Siverd, J. Tonry, H. Weiland. Measurers L.
Denneau, N. Erasmus, A. Fitzsimmons, J. Robinson, R. Siverd, J. Tonry, H.
Weiland. 0.5-m f/2.0 Schmidt + CCD.
Orbital elements: A11GrOE
Perihelion 2026 Sep 28.066611 +/- 0.296 TT = 1:35:55.2 (JD 2461311.566611)
Epoch 2026 Sep 9.0 TT = JDT 2461292.5 Earth MOID: 0.0026 AutoNEOCP
M 346.506564328 +/- 0.20 (J2000 ecliptic)
n 0.707699737 +/- 0.000976 Peri. 8.689699 +/- 0.58
a 1.247105973 +/- 0.00115 Node 357.607226 +/- 0.25
e 0.19411683 +/- 0.000854 Incl. 1.456569 +/- 0.036
P 1.393/508.681d H 27.09 G 0.15 U 8.1
q 1.005021704 +/- 0.000322 Q 1.489190242 +/- 0.00241
From 8 observations 2026 Sept. 8-9 (9.0 hr); mean residual 0".12
Residuals in arcseconds: 260908 M22 .09- .01+ 260908 M22 .03- .07- 260909 I52 .00 .21+ 260908 M22 .10+ .02- 260909 I52 .07+ .06- 260909 I52 .17+ .25- 260908 M22 .02+ .08+ 260909 I52 .24- .11+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 10 10 01 40 22.756 -23 04 22.32 .00875 1.0138 140.2 18.4 96.8 60 2026 09 10 11 01 42 00.093 -22 47 02.92 .00874 1.0137 140.0 18.4 104 60 2026 09 10 12 01 43 37.261 -22 29 37.01 .00873 1.0137 139.8 18.4 111 59 2026 09 10 13 01 45 14.251 -22 12 04.76 .00872 1.0136 139.6 18.4 119 59 2026 09 10 14 01 46 51.054 -21 54 26.34 .00871 1.0136 139.3 18.4 126 58 2026 09 10 15 01 48 27.662 -21 36 41.93 .00870 1.0136 139.1 18.4 134 58 2026 09 10 16 01 50 04.065 -21 18 51.71 .00869 1.0135 138.9 18.4 142 58 2026 09 10 17 01 51 40.256 -21 00 55.87 .00868 1.0135 138.6 18.4 151 57 2026 09 10 18 01 53 16.225 -20 42 54.60 .00868 1.0134 138.4 18.4 160 57 2026 09 10 19 01 54 51.965 -20 24 48.08 .00867 1.0134 138.1 18.4 168 57 2026 09 10 20 01 56 27.467 -20 06 36.52 .00866 1.0134 137.9 18.4 178 56 2026 09 10 21 01 58 02.723 -19 48 20.11 .00866 1.0133 137.6 18.4 187 56 2026 09 10 22 01 59 37.725 -19 29 59.05 .00865 1.0133 137.4 18.5 197 56 2026 09 10 23 02 01 12.466 -19 11 33.56 .00865 1.0132 137.1 18.5 206 56 2026 09 11 00 02 02 46.938 -18 53 03.82 .00864 1.0132 136.9 18.5 216 55 2026 09 11 01 02 04 21.134 -18 34 30.07 .00864 1.0132 136.6 18.5 227 55 2026 09 11 02 02 05 55.045 -18 15 52.50 .00864 1.0131 136.3 18.5 237 55 2026 09 11 03 02 07 28.666 -17 57 11.32 .00863 1.0131 136.1 18.5 248 55 2026 09 11 04 02 09 01.988 -17 38 26.76 .00863 1.0130 135.8 18.5 259 54 2026 09 11 05 02 10 35.005 -17 19 39.03 .00863 1.0130 135.5 18.5 270 54 2026 09 11 06 02 12 07.711 -17 00 48.35 .00863 1.0130 135.3 18.5 281 54 2026 09 11 07 02 13 40.098 -16 41 54.93 .00863 1.0129 135.0 18.5 292 54 2026 09 11 08 02 15 12.161 -16 22 58.99 .00863 1.0129 134.7 18.5 304 53 2026 09 11 09 02 16 43.893 -16 04 00.76 .00863 1.0128 134.4 18.5 316 53 2026 09 11 10 02 18 15.288 -15 45 00.45 .00863 1.0128 134.2 18.5 328 53 2026 09 11 11 02 19 46.340 -15 25 58.29 .00864 1.0128 133.9 18.5 340 53 2026 09 11 12 02 21 17.044 -15 06 54.50 .00864 1.0127 133.6 18.6 352 53 2026 09 11 13 02 22 47.393 -14 47 49.30 .00864 1.0127 133.3 18.6 365 53 2026 09 11 14 02 24 17.383 -14 28 42.90 .00865 1.0126 133.0 18.6 377 52 2026 09 11 15 02 25 47.007 -14 09 35.53 .00865 1.0126 132.7 18.6 390 52 2026 09 11 16 02 27 16.262 -13 50 27.41 .00866 1.0126 132.5 18.6 403 52 2026 09 11 17 02 28 45.142 -13 31 18.76 .00866 1.0125 132.2 18.6 416 52 2026 09 11 18 02 30 13.642 -13 12 09.79 .00867 1.0125 131.9 18.6 429 52 2026 09 11 19 02 31 41.758 -12 53 00.71 .00868 1.0124 131.6 18.6 443 52 2026 09 11 20 02 33 09.485 -12 33 51.76 .00868 1.0124 131.3 18.6 456 52 2026 09 11 21 02 34 36.820 -12 14 43.12 .00869 1.0124 131.0 18.6 469 51 2026 09 11 22 02 36 03.757 -11 55 35.03 .00870 1.0123 130.7 18.6 483 51 2026 09 11 23 02 37 30.293 -11 36 27.68 .00871 1.0123 130.4 18.7 497 51 2026 09 12 00 02 38 56.425 -11 17 21.28 .00872 1.0122 130.1 18.7 511 51 2026 09 12 01 02 40 22.148 -10 58 16.05 .00873 1.0122 129.8 18.7 524 51 2026 09 12 02 02 41 47.459 -10 39 12.17 .00874 1.0122 129.5 18.7 538 51 2026 09 12 03 02 43 12.355 -10 20 09.84 .00875 1.0121 129.2 18.7 552 51 2026 09 12 04 02 44 36.832 -10 01 09.28 .00877 1.0121 128.9 18.7 567 51 2026 09 12 05 02 46 00.888 -09 42 10.66 .00878 1.0121 128.6 18.7 581 51 2026 09 12 06 02 47 24.520 -09 23 14.18 .00879 1.0120 128.3 18.7 595 50 2026 09 12 07 02 48 47.725 -09 04 20.02 .00881 1.0120 128.0 18.7 609 50 2026 09 12 08 02 50 10.501 -08 45 28.38 .00882 1.0119 127.7 18.8 623 50 2026 09 12 09 02 51 32.845 -08 26 39.42 .00884 1.0119 127.4 18.8 638 50