"Pseudo-MPEC" for A11GrOF
Created 2026 Sep 11 0:35:04 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11GrOF*0C2026 09 08.98775102 09 35.666-19 30 47.66 ~9AFK 19.61oVNEOCPM22
A11GrOF 0C2026 09 08.98955302 09 35.016-19 30 38.41 ~9AFK 19.38oVNEOCPM22
A11GrOF 0C2026 09 09.01302902 09 26.158-19 28 35.69 ~9AFK 19.44oVNEOCPM22
A11GrOF 0C2026 09 09.01708402 09 24.566-19 28 14.45 ~9AFK 19.29oVNEOCPM22
A11GrOF 0C2026 09 09.47464902 06 36.771-18 48 00.66 ~9AFK 19.80rUNEOCPI41
A11GrOF 0C2026 09 09.48156202 06 34.066-18 47 22.82 ~9AFK 20.14gUNEOCPI41
A11GrOF KB2026 09 09.98493 02 03 26.55 -18 00 10.4 ~9AFK 19.5 GXNEOCPM45
A11GrOF KB2026 09 09.99386 02 03 22.98 -17 59 19.6 ~9AFK 19.6 GXNEOCPM45
A11GrOF |C2026 09 10.36750002 00 55.710-17 21 42.70 ~9AFK 19.4 GVNEOCP807
A11GrOF |C2026 09 10.37142002 00 54.080-17 21 19.10 ~9AFK 19.8 GVNEOCP807
A11GrOF |C2026 09 10.37534002 00 52.450-17 20 55.50 ~9AFK 19.5 GVNEOCP807
A11GrOF KB2026 09 10.99837201 56 45.19 -16 18 28.7 ~9B0Z 19.7 GXNEOCPI93
A11GrOF KB2026 09 11.00203901 56 43.56 -16 18 06.2 ~9B0Z 19.5 GXNEOCPI93
A11GrOF KB2026 09 11.00570701 56 42.04 -16 17 43.3 ~9B0Z 19.9 GXNEOCPI93
Station data:
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(I41) Palomar Mountain--ZTF (N33.357336 W116.859780) US/California.
Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin,
Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt.
(I93) St Pardon de Conques (N44.558670 W0.202960) France. Observers F.
Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + 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.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
Orbital elements: A11GrOF
Perihelion 2027 Feb 13.145641 +/- 0.601 TT = 3:29:43.3 (JD 2461449.645641)
Epoch 2026 Sep 11.0 TT = JDT 2461294.5 Earth MOID: 0.0326 AutoNEOCP
M 222.112475897 +/- 0.7 (J2000 ecliptic)
n 0.888761834 +/- 0.00172 Peri. 134.921098 +/- 0.7
a 1.071385550 +/- 0.00138 Node 357.675327 +/- 0.007
e 0.05532844 +/- 0.000602 Incl. 27.279496 +/- 0.12
P 1.109/405.050d H 22.24 G 0.15 U 8.5
q 1.012107452 +/- 0.00191 Q 1.130663648 +/- 0.000914
From 14 observations 2026 Sept. 8-11; mean residual 0".34
Residuals in arcseconds: 260908 M22 .04- .60+ 260909 I41 .23+ .65- 260910 807 .23+ .18+ 260908 M22 .34+ .41+ 260909 M45 .52- .42+ 260910 I93 .38+ .17+ 260909 M22 .19+ .19- 260909 M45 .43- .02+ 260911 I93 .58- .18- 260909 M22 .65- .31- 260910 807 .29+ .02- 260911 I93 .07+ .16- 260909 I41 .27+ .23- 260910 807 .26+ .09+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 11 01 01 56 25.326 -16 13 05.01 .14058 1.1167 139.0 19.7 .226 159 2026 09 11 02 01 56 08.114 -16 08 41.77 .14037 1.1167 139.1 19.7 .235 158 2026 09 11 03 01 55 50.853 -16 04 17.59 .14015 1.1167 139.2 19.7 .245 158 2026 09 11 04 01 55 33.542 -15 59 52.47 .13993 1.1167 139.3 19.7 .255 157 2026 09 11 05 01 55 16.181 -15 55 26.43 .13972 1.1166 139.4 19.7 .266 156 2026 09 11 06 01 54 58.770 -15 50 59.44 .13950 1.1166 139.5 19.7 .276 156 2026 09 11 07 01 54 41.309 -15 46 31.51 .13929 1.1166 139.6 19.7 .287 155 2026 09 11 08 01 54 23.797 -15 42 02.64 .13907 1.1166 139.8 19.7 .299 154 2026 09 11 09 01 54 06.236 -15 37 32.83 .13886 1.1165 139.9 19.6 .311 154 2026 09 11 10 01 53 48.624 -15 33 02.06 .13864 1.1165 140.0 19.6 .323 153 2026 09 11 11 01 53 30.962 -15 28 30.35 .13843 1.1165 140.1 19.6 .335 152 2026 09 11 12 01 53 13.249 -15 23 57.68 .13822 1.1165 140.2 19.6 .348 152 2026 09 11 13 01 52 55.486 -15 19 24.06 .13800 1.1164 140.3 19.6 .361 151 2026 09 11 14 01 52 37.672 -15 14 49.48 .13779 1.1164 140.4 19.6 .374 151 2026 09 11 15 01 52 19.808 -15 10 13.95 .13758 1.1164 140.6 19.6 .388 150 2026 09 11 16 01 52 01.892 -15 05 37.45 .13737 1.1164 140.7 19.6 .402 150 2026 09 11 17 01 51 43.926 -15 00 59.99 .13716 1.1163 140.8 19.6 .416 149 2026 09 11 18 01 51 25.909 -14 56 21.56 .13695 1.1163 140.9 19.6 .431 149 2026 09 11 19 01 51 07.841 -14 51 42.16 .13674 1.1163 141.0 19.6 .446 148 2026 09 11 20 01 50 49.722 -14 47 01.79 .13653 1.1163 141.1 19.6 .462 148 2026 09 11 21 01 50 31.551 -14 42 20.45 .13632 1.1162 141.3 19.6 .478 148 2026 09 11 22 01 50 13.330 -14 37 38.14 .13612 1.1162 141.4 19.6 .494 147 2026 09 11 23 01 49 55.057 -14 32 54.85 .13591 1.1162 141.5 19.6 .510 147 2026 09 12 00 01 49 36.733 -14 28 10.58 .13570 1.1162 141.6 19.6 .527 146 2026 09 12 01 01 49 18.357 -14 23 25.33 .13550 1.1162 141.7 19.5 .545 146 2026 09 12 02 01 48 59.930 -14 18 39.09 .13529 1.1161 141.9 19.5 .562 146 2026 09 12 03 01 48 41.451 -14 13 51.88 .13509 1.1161 142.0 19.5 .580 145 2026 09 12 04 01 48 22.920 -14 09 03.67 .13488 1.1161 142.1 19.5 .599 145 2026 09 12 05 01 48 04.338 -14 04 14.48 .13468 1.1161 142.2 19.5 .617 145 2026 09 12 06 01 47 45.704 -13 59 24.29 .13448 1.1160 142.3 19.5 .636 144 2026 09 12 07 01 47 27.018 -13 54 33.12 .13427 1.1160 142.5 19.5 .656 144 2026 09 12 08 01 47 08.280 -13 49 40.95 .13407 1.1160 142.6 19.5 .676 144 2026 09 12 09 01 46 49.491 -13 44 47.78 .13387 1.1160 142.7 19.5 .696 143 2026 09 12 10 01 46 30.649 -13 39 53.62 .13367 1.1159 142.8 19.5 .717 143 2026 09 12 11 01 46 11.755 -13 34 58.45 .13347 1.1159 142.9 19.5 .738 143 2026 09 12 12 01 45 52.808 -13 30 02.29 .13327 1.1159 143.1 19.5 .759 143 2026 09 12 13 01 45 33.810 -13 25 05.12 .13307 1.1159 143.2 19.5 .781 142 2026 09 12 14 01 45 14.759 -13 20 06.94 .13287 1.1158 143.3 19.5 .803 142 2026 09 12 15 01 44 55.656 -13 15 07.76 .13267 1.1158 143.4 19.5 .825 142 2026 09 12 16 01 44 36.500 -13 10 07.58 .13247 1.1158 143.6 19.5 .848 142 2026 09 12 17 01 44 17.292 -13 05 06.38 .13228 1.1158 143.7 19.4 .871 142 2026 09 12 18 01 43 58.031 -13 00 04.17 .13208 1.1157 143.8 19.4 .895 141 2026 09 12 19 01 43 38.718 -12 55 00.95 .13189 1.1157 143.9 19.4 .919 141 2026 09 12 20 01 43 19.352 -12 49 56.72 .13169 1.1157 144.1 19.4 .944 141 2026 09 12 21 01 42 59.933 -12 44 51.47 .13150 1.1157 144.2 19.4 .969 141 2026 09 12 22 01 42 40.461 -12 39 45.20 .13130 1.1156 144.3 19.4 0.99 141 2026 09 12 23 01 42 20.937 -12 34 37.91 .13111 1.1156 144.4 19.4 1.02 140 2026 09 13 00 01 42 01.359 -12 29 29.61 .13092 1.1156 144.6 19.4 1.05 140