"Pseudo-MPEC" for A11GrOs
Created 2026 Sep 12 8:35:05 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11GrOs*0C2026 09 08.96407222 15 15.245-14 07 55.78 ~9AFK 18.2 GWNEOCPK92
A11GrOs 0C2026 09 08.96616622 15 15.582-14 07 52.12 ~9AFK 18.2 GWNEOCPK92
A11GrOs*0C2026 09 09.02563422 15 27.311-14 05 53.55 ~9AFK 19.0 GWNEOCPK93
A11GrOs 0C2026 09 09.02809922 15 27.907-14 05 48.06 ~9AFK 19.1 GWNEOCPK93
A11GrOs*KC2026 09 12.16764 22 43 39.70 -12 54 22.2 ~9C8K 17.6 GVNEOCPW94
A11GrOs KC2026 09 12.17382 22 43 40.41 -12 54 11.4 ~9C8K 17.7 GVNEOCPW94
A11GrOs KC2026 09 12.18000 22 43 41.11 -12 54 00.7 ~9C8K 17.7 GVNEOCPW94
A11GrOs 4C2026 09 12.31256 22 44 05.37 -12 48 55.4 ~9C8K 18.1 VqNEOCPW97
A11GrOs 4C2026 09 12.31833 22 44 07.08 -12 48 39.8 ~9C8K 18.4 VqNEOCPW97
A11GrOs 4C2026 09 12.32406 22 44 08.86 -12 48 23.7 ~9C8K 18.3 VqNEOCPW97
Station data:
(K92) Sutherland-LCO B (S32.380540 E20.810040) South Africa. Observer M.
Micheli. Measurer S. Greenstreet. 1.0-m f/6.3 Cassegrain + CCD.
(K93) Sutherland-LCOGT C (S32.380667 E20.810110) South Africa. Observer M.
Micheli. 1.0-m f/8.0 Ritchey-Chrétien + CCD.
(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.
(W97) Atacama Desert Observatory, San Pedro de Atacama (S22.953413
W68.179760) Chile.
Orbital elements: A11GrOs
Perihelion 2026 Oct 4.438695 +/- 0.0963 TT = 10:31:43.2 (JD 2461317.938695)
Epoch 2026 Sep 12.0 TT = JDT 2461295.5 Earth MOID: 0.0081 AutoNEOCP
M 339.638955935 +/- 0.08 (J2000 ecliptic)
n 0.907407661 +/- 4.54e-5 Peri. 213.161103 +/- 0.11
a 1.056657941 +/- 3.53e-5 Node 157.787307 +/- 0.016
e 0.04261741 +/- 5.76e-5 Incl. 0.188308 +/- 0.00041
P 1.086/396.727d H 28.02 G 0.15 U 6.0
q 1.011625912 +/- 3.57e-5 Q 1.101689970 +/- 9.45e-5
From 10 observations 2026 Sept. 8-12; mean residual 0".08
Residuals in arcseconds: 260908 K92 .03+ .01+ 260912 W94 .05+ .09- 260912 W97 .04- .19- 260908 K92 .03+ .03- 260912 W94 .08+ .18+ 260912 W97 .05+ .01- 260909 K93 .02- .02- 260912 W94 .15- .02+ 260909 K93 .04- .04+ 260912 W97 .01+ .09+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 12 09 22 45 33.346 -12 51 50.84 .00826 1.0146 167.8 18.4 .515 103 2026 09 12 10 22 45 55.725 -12 50 42.48 .00826 1.0146 167.8 18.4 .579 100 2026 09 12 11 22 46 18.115 -12 49 33.91 .00826 1.0146 167.9 18.4 .646 98 2026 09 12 12 22 46 40.514 -12 48 25.14 .00825 1.0146 167.9 18.4 .716 96 2026 09 12 13 22 47 02.923 -12 47 16.15 .00825 1.0145 168.0 18.4 .788 94 2026 09 12 14 22 47 25.342 -12 46 06.96 .00825 1.0145 168.0 18.4 .863 93 2026 09 12 15 22 47 47.770 -12 44 57.56 .00825 1.0145 168.0 18.4 .940 91 2026 09 12 16 22 48 10.208 -12 43 47.95 .00825 1.0145 168.1 18.4 1.02 90 2026 09 12 17 22 48 32.655 -12 42 38.13 .00825 1.0145 168.1 18.3 1.10 89 2026 09 12 18 22 48 55.112 -12 41 28.10 .00825 1.0145 168.2 18.3 1.18 89 2026 09 12 19 22 49 17.578 -12 40 17.86 .00824 1.0145 168.2 18.3 1.27 88 2026 09 12 20 22 49 40.054 -12 39 07.42 .00824 1.0145 168.3 18.3 1.35 87 2026 09 12 21 22 50 02.539 -12 37 56.76 .00824 1.0145 168.3 18.3 1.44 87 2026 09 12 22 22 50 25.033 -12 36 45.89 .00824 1.0144 168.3 18.3 1.53 86 2026 09 12 23 22 50 47.536 -12 35 34.82 .00824 1.0144 168.4 18.3 1.63 86 2026 09 13 00 22 51 10.049 -12 34 23.54 .00824 1.0144 168.4 18.3 1.72 85 2026 09 13 01 22 51 32.571 -12 33 12.04 .00824 1.0144 168.5 18.3 1.82 85 2026 09 13 02 22 51 55.102 -12 32 00.34 .00823 1.0144 168.5 18.3 1.92 84 2026 09 13 03 22 52 17.642 -12 30 48.43 .00823 1.0144 168.5 18.3 2.02 84 2026 09 13 04 22 52 40.191 -12 29 36.30 .00823 1.0144 168.6 18.3 2.12 84 2026 09 13 05 22 53 02.749 -12 28 23.97 .00823 1.0144 168.6 18.3 2.22 83 2026 09 13 06 22 53 25.316 -12 27 11.43 .00823 1.0143 168.7 18.3 2.33 83 2026 09 13 07 22 53 47.892 -12 25 58.68 .00823 1.0143 168.7 18.3 2.44 83 2026 09 13 08 22 54 10.476 -12 24 45.72 .00823 1.0143 168.7 18.3 2.55 83 2026 09 13 09 22 54 33.070 -12 23 32.55 .00823 1.0143 168.8 18.3 2.66 82 2026 09 13 10 22 54 55.672 -12 22 19.17 .00822 1.0143 168.8 18.3 2.77 82 2026 09 13 11 22 55 18.283 -12 21 05.58 .00822 1.0143 168.9 18.3 2.89 82 2026 09 13 12 22 55 40.902 -12 19 51.79 .00822 1.0143 168.9 18.3 3.01 82 2026 09 13 13 22 56 03.530 -12 18 37.78 .00822 1.0143 168.9 18.3 3.13 82 2026 09 13 14 22 56 26.167 -12 17 23.56 .00822 1.0143 169.0 18.3 3.25 81 2026 09 13 15 22 56 48.812 -12 16 09.13 .00822 1.0142 169.0 18.3 3.37 81 2026 09 13 16 22 57 11.465 -12 14 54.50 .00822 1.0142 169.0 18.3 3.50 81 2026 09 13 17 22 57 34.127 -12 13 39.65 .00822 1.0142 169.1 18.3 3.62 81 2026 09 13 18 22 57 56.798 -12 12 24.60 .00821 1.0142 169.1 18.3 3.75 81 2026 09 13 19 22 58 19.476 -12 11 09.34 .00821 1.0142 169.2 18.3 3.89 81 2026 09 13 20 22 58 42.163 -12 09 53.87 .00821 1.0142 169.2 18.3 4.02 80 2026 09 13 21 22 59 04.858 -12 08 38.18 .00821 1.0142 169.2 18.3 4.15 80 2026 09 13 22 22 59 27.561 -12 07 22.29 .00821 1.0142 169.3 18.3 4.29 80 2026 09 13 23 22 59 50.272 -12 06 06.20 .00821 1.0142 169.3 18.3 4.43 80 2026 09 14 00 23 00 12.992 -12 04 49.89 .00821 1.0141 169.4 18.3 4.57 80 2026 09 14 01 23 00 35.719 -12 03 33.37 .00821 1.0141 169.4 18.3 4.71 80 2026 09 14 02 23 00 58.454 -12 02 16.65 .00820 1.0141 169.4 18.3 4.86 80 2026 09 14 03 23 01 21.197 -12 00 59.71 .00820 1.0141 169.5 18.3 5.01 80 2026 09 14 04 23 01 43.948 -11 59 42.57 .00820 1.0141 169.5 18.3 5.16 80 2026 09 14 05 23 02 06.706 -11 58 25.22 .00820 1.0141 169.6 18.3 5.31 79 2026 09 14 06 23 02 29.473 -11 57 07.66 .00820 1.0141 169.6 18.3 5.46 79 2026 09 14 07 23 02 52.247 -11 55 49.90 .00820 1.0141 169.6 18.3 5.61 79 2026 09 14 08 23 03 15.028 -11 54 31.92 .00820 1.0141 169.7 18.3 5.77 79