"Pseudo-MPEC" for A11GrOw
Created 2026 Sep 9 16:35:05 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11GrOw*0C2026 09 08.91342222 25 24.552-17 12 15.70 ~9905 17.92oVNEOCPM22
A11GrOw 0C2026 09 08.91702822 25 14.966-17 12 38.81 ~9905 17.94oVNEOCPM22
A11GrOw 0C2026 09 08.95175622 23 41.534-17 16 16.97 ~9905 17.78oVNEOCPM22
A11GrOw 0C2026 09 08.95265622 23 39.077-17 16 22.55 ~9905 18.04oVNEOCPM22
A11GrOw 0C2026 09 08.96787122 22 57.134-17 17 56.15 ~9905 17.84oVNEOCPM22
A11GrOw 0C2026 09 09.00725722 21 29.746-17 41 43.98 ~990Z 18.0 GWNEOCPJ95
A11GrOw 0C2026 09 09.00842922 21 26.422-17 41 51.86 ~990Z 18.2 GWNEOCPJ95
A11GrOw 0C2026 09 09.00955422 21 23.230-17 42 00.07 ~990Z 18.0 GWNEOCPJ95
A11GrOw KB2026 09 09.11684 22 17 11.57 -17 54 01.5 ~993K 17.9 GXNEOCPW13
A11GrOw KB2026 09 09.12011 22 17 01.08 -17 54 31.0 ~993K 18.1 GXNEOCPW13
A11GrOw KB2026 09 09.12332 22 16 50.81 -17 55 00.1 ~993K 18.5 GXNEOCPW13
A11GrOw KC2026 09 09.18591222 13 28.344-18 04 14.56 ~9955 17.9 VZNEOCPH36
A11GrOw KC2026 09 09.18878522 13 18.322-18 04 41.84 ~9955 18.1 VZNEOCPH36
A11GrOw KC2026 09 09.19159322 13 08.357-18 05 07.58 ~9955 18.2 VZNEOCPH36
A11GrOw KC2026 09 09.19434622 12 58.558-18 05 32.78 ~9955 18.2 VZNEOCPH36
A11GrOw 1C2026 09 09.19762022 13 03.810-18 04 29.35 ~9955 17.58GVNEOCPV06
A11GrOw 1C2026 09 09.19774322 13 03.378-18 04 30.61 ~9955 17.79GVNEOCPV06
A11GrOw 1C2026 09 09.19786522 13 02.953-18 04 31.84 ~9955 17.94GVNEOCPV06
A11GrOw 1C2026 09 09.19798722 13 02.500-18 04 32.70 ~9955 18.00GVNEOCPV06
A11GrOw 1C2026 09 09.22805822 11 12.581-18 09 19.87 ~9965 18.06GVNEOCP703
A11GrOw 1C2026 09 09.23589022 10 43.244-18 10 34.21 ~9965 18.64GVNEOCP703
A11GrOw KB2026 09 09.50220521 52 55.905-18 56 36.17 ~99Co 17.3 GXNEOCPQ06
A11GrOw KB2026 09 09.50809821 52 24.036-18 57 48.84 ~99Co 17.6 GXNEOCPQ06
A11GrOw KB2026 09 09.51399321 51 51.891-18 59 01.71 ~99Co 17.6 GXNEOCPQ06
Station data:
(703) Catalina Sky Survey (N32.417029 W110.732640)
US/Arizona. Observer E. J. Christensen. 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. 0.68 m Schmidt + 10K
CCD.
(H36) Sandlot Observatory, Scranton (N38.797718 W95.706550) US/Kansas.
Observer G. Hug. 0.56-m reflector + CCD.
(J95) Great Shefford (N51.474969 W1.447003) UK/England. Observer P.
Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + 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.
(Q06) Tarui Observatory, Tarui (N35.394791 E136.495470) Japan. Observer H.
Watanabe. 0.35-m f/1.9 Schmidt-Cassegrain + CMO.
(V06) Catalina Sky Survey-Kuiper (N32.416871 W110.732550) 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. 1.55-m reflector + CCD.
(W13) Star Quarry Observatory, Bedford (N38.977039 W86.526390) US/Indiana.
Observer C. J. Horowitz. 0.20-m f/2 Schmidt-Cassegrain + CMO.
Orbital elements: A11GrOw
Perihelion 2026 Nov 15.220118 +/- 0.00874 TT = 5:16:58.2 (JD 2461359.720118)
Epoch 2026 Sep 9.0 TT = JDT 2461292.5 Earth MOID: 0.0004 Ve: 0.0419
M 303.661529435 +/- 0.015 Ma: 0.0315 AutoNEOCP
n 0.838119181 +/- 0.000124 Peri. 92.698377 +/- 0.006
a 1.114120578 +/- 0.00011 Node 346.976094 +/- 0.00009
e 0.32856592 +/- 0.000104 Incl. 3.040850 +/- 0.0008
P 1.176/429.525d H 27.64 G 0.15 U 6.7
q 0.748058522 +/- 4.96e-5 Q 1.480182634 +/- 0.000258 (J2000 ecliptic)
From 24 observations 2026 Sept. 8-9 (14.4 hr); mean residual 0".49
Residuals in arcseconds: 260908 M22 .21+ .28+ 260909 W13 .79+ .17+ 260909 V06 .27- .25- 260908 M22 .84- .09+ 260909 W13 .31+ .29+ 260909 V06 .12- .31- 260908 M22 .74- .25- 260909 W13 1.0+ .25+ 260909 V06 .38- .00 260908 M22 .65- .26- 260909 H36 1.7- .64+ 260909 703 .62- .09+ 260908 M22 .67- .19- 260909 H36 .12- .24- 260909 703 1.2+ .12+ 260909 J95 .49+ .43- 260909 H36 .43- .20- 260909 Q06 .50+ .26- 260909 J95 .07+ .21+ 260909 H36 .60- .15- 260909 Q06 .24- .09+ 260909 J95 .30- .18+ 260909 V06 .37- .17- 260909 Q06 .02+ .14+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 09 17 21 32 23.633 -19 18 18.41 834394 1.0121 152.2 17.6 .562 34 2026 09 09 18 21 27 25.238 -19 26 44.54 804902 1.0119 151.0 17.6 .685 43 2026 09 09 19 21 22 03.741 -19 35 14.75 775772 1.0117 149.8 17.5 .847 50 2026 09 09 20 21 16 16.739 -19 43 44.49 747044 1.0114 148.5 17.5 1.05 56 2026 09 09 21 21 10 01.561 -19 52 07.66 718769 1.0112 147.0 17.5 1.31 61 2026 09 09 22 21 03 15.253 -20 00 16.27 691001 1.0110 145.4 17.4 1.63 66 2026 09 09 23 20 55 54.562 -20 07 59.88 663805 1.0107 143.7 17.4 2.02 69 2026 09 10 00 20 47 55.946 -20 15 05.04 637254 1.0105 141.9 17.3 2.48 72 2026 09 10 01 20 39 15.590 -20 21 14.55 611433 1.0102 139.9 17.3 3.04 75 2026 09 10 02 20 29 49.459 -20 26 06.68 586437 1.0100 137.7 17.3 3.70 77 2026 09 10 03 20 19 33.398 -20 29 14.34 562379 1.0098 135.3 17.2 4.48 80 2026 09 10 04 20 08 23.282 -20 30 04.23 539384 1.0095 132.7 17.2 5.39 82 2026 09 10 05 19 56 15.250 -20 27 56.27 517594 1.0093 129.9 17.2 6.45 84 2026 09 10 06 19 43 06.037 -20 22 03.39 497168 1.0091 126.9 17.2 7.66 86 2026 09 10 07 19 28 53.403 -20 11 32.14 478281 1.0088 123.6 17.2 9.04 88 2026 09 10 08 19 13 36.662 -19 55 24.54 461125 1.0086 120.0 17.2 10.6 90 2026 09 10 09 18 57 17.267 -19 32 41.52 445898 1.0083 116.1 17.3 12.2 92 2026 09 10 10 18 39 59.372 -19 02 28.34 432806 1.0081 112.1 17.4 14.0 93 2026 09 10 11 18 21 50.244 -18 24 01.76 422048 1.0079 107.7 17.4 15.9 95 2026 09 10 12 18 03 00.388 -17 36 58.09 413807 1.0076 103.2 17.5 17.7 97 2026 09 10 13 17 43 43.237 -16 41 20.67 408235 1.0074 98.5 17.7 19.4 99 2026 09 10 14 17 24 14.371 -15 37 44.52 405444 1.0072 93.8 17.8 21.0 100 2026 09 10 15 17 04 50.339 -14 27 16.32 405489 1.0069 89.0 18.0 22.3 102 2026 09 10 16 16 45 47.280 -13 11 29.05 408371 1.0067 84.2 18.3 23.3 103 2026 09 10 17 16 27 19.638 -11 52 12.06 414029 1.0064 79.5 18.5 24.0 104 2026 09 10 18 16 09 39.195 -10 31 19.07 422352 1.0062 75.0 18.8 24.4 105 2026 09 10 19 15 52 54.570 -09 10 36.82 433186 1.0060 70.7 19.1 24.4 106 2026 09 10 20 15 37 11.174 -07 51 36.61 446346 1.0057 66.6 19.4 24.1 106 2026 09 10 21 15 22 31.522 -06 35 29.77 461634 1.0055 62.8 19.7 23.7 107 2026 09 10 22 15 08 55.749 -05 23 06.73 478843 1.0053 59.2 20?? 23.1 107 2026 09 10 23 14 56 22.200 -04 14 58.71 497776 1.0050 55.9 20?? 22.3 107 2026 09 11 00 14 44 47.984 -03 11 20.95 518240 1.0048 52.9 20?? 21.5 108 2026 09 11 01 14 34 09.449 -02 12 16.36 540063 1.0045 50.1 21?? 20.6 108 2026 09 11 02 14 24 22.556 -01 17 39.00 563084 1.0043 47.5 21?? 19.7 108 2026 09 11 03 14 15 23.144 -00 27 17.07 587163 1.0041 45.1 21?? 18.8 108 2026 09 11 04 14 07 07.119 +00 19 04.73 612174 1.0038 42.9 22?? 18.0 108 2026 09 11 05 13 59 30.572 +01 01 43.53 638007 1.0036 40.9 22?? 17.2 108 2026 09 11 06 13 52 29.847 +01 40 56.99 664565 1.0034 39.1 22?? 16.4 107 2026 09 11 07 13 46 01.574 +02 17 02.53 691765 1.0031 37.4 23?? 15.6 107 2026 09 11 08 13 40 02.676 +02 50 16.82 719532 1.0029 35.8 23?? 14.9 107 2026 09 11 09 13 34 30.369 +03 20 55.46 747805 1.0026 34.3 23?? 14.3 107 2026 09 11 10 13 29 22.143 +03 49 12.88 776527 1.0024 33.0 24?? 13.6 107 2026 09 11 11 13 24 35.743 +04 15 22.25 805649 1.0022 31.7 24?? 13.1 107 2026 09 11 12 13 20 09.146 +04 39 35.55 835130 1.0019 30.6 24?? 12.5 107 2026 09 11 13 13 16 00.544 +05 02 03.59 864933 1.0017 29.5 24?? 12.0 107 2026 09 11 14 13 12 08.317 +05 22 56.10 895026 1.0015 28.5 25?? 11.5 106 2026 09 11 15 13 08 31.015 +05 42 21.82 925379 1.0012 27.6 25?? 11.1 106 2026 09 11 16 13 05 07.339 +06 00 28.60 955969 1.0010 26.7 25?? 10.6 106