"Pseudo-MPEC" for A11HElj
Created 2026 Oct 6 11:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11HElj*0C2026 10 06.11012003 06 41.035-08 00 51.77 ~A64o 18.72wVNEOCPR17
A11HElj 0C2026 10 06.12426703 06 28.889-07 58 23.92 ~A64o 18.19wVNEOCPR17
A11HElj 0C2026 10 06.13841603 06 16.718-07 55 55.70 ~A64o 18.60wVNEOCPR17
A11HElj 0C2026 10 06.15261203 06 04.519-07 53 26.92 ~A64o 18.76wVNEOCPR17
A11HElj 0C2026 10 06.33469103 03 41.669-07 21 21.82 ~A6BZ 18.92cVNEOCPT08
A11HElj 0C2026 10 06.33728003 03 39.511-07 20 54.31 ~A6BZ 18.95cVNEOCPT08
A11HElj 0C2026 10 06.33982803 03 37.428-07 20 29.29 ~A6BZ 18.99cVNEOCPT08
A11HElj 0C2026 10 06.34242003 03 35.251-07 20 01.64 ~A6BZ 18.81cVNEOCPT08
A11HElj KC2026 10 06.40338903 02 38.141-07 09 56.88 ~A6A5 19.2 VZNEOCPH36
A11HElj KC2026 10 06.40786703 02 34.354-07 09 10.08 ~A6A5 19.2 VZNEOCPH36
A11HElj KC2026 10 06.41233303 02 30.578-07 08 23.82 ~A6A5 19.3 VZNEOCPH36
A11HElj 1C2026 10 06.42861803 02 17.927-07 05 25.33 ~A6Ao 18.59GVNEOCP703
A11HElj 1C2026 10 06.43088603 02 16.094-07 05 01.82 ~A6Ao 18.69GVNEOCP703
A11HElj 1C2026 10 06.43315303 02 14.068-07 04 38.32 ~A6Ao 18.86GVNEOCP703
A11HElj 1C2026 10 06.43541703 02 12.181-07 04 14.70 ~A6Ao 18.49GVNEOCP703
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 (N38.797700 W95.706554) US/Kansas.
Observer G. Hug. 0.56-m reflector + CCD.
(R17) ATLAS-TDO (N28.298778 W16.510310) Canary Islands (Spain). Observers
L. Denneau, R. Siverd, J. Tonry, H. Weiland, J. Licandro, M. Alarcon.
Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, J. Robinson, R. Siverd,
J. Tonry, H. Weiland, J. Licandro, M. Alarcon. 0.56-m f/2.2 Astrograph +
CMOS.
(T08) ATLAS-MLO, Mauna Loa (N19.536150 W155.576050) US/Hawaii. 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: A11HElj
Perihelion 2026 Jul 17.382791 +/- 0.94 TT = 9:11:13.1 (JD 2461238.882791)
Epoch 2026 Oct 6.0 TT = JDT 2461319.5 Earth MOID: 0.0439 AutoNEOCP
M 68.818740523 +/- 1.4 (J2000 ecliptic)
n 0.853648268 +/- 0.00799 Peri. 253.508520 +/- 0.8
a 1.100567642 +/- 0.00687 Node 20.371240 +/- 0.06
e 0.27245134 +/- 0.00474 Incl. 18.813520 +/- 0.23
P 1.155/421.711d H 22.55 G 0.15 U 9.5
q 0.800716511 +/- 0.00032 Q 1.400418772 +/- 0.014
From 15 observations 2026 Oct. 6 (7.8 hr); mean residual 0".33
Residuals in arcseconds: 261006 R17 .06- .00 261006 T08 .27- .69+ 261006 H36 .21+ .36- 261006 R17 .14+ .13- 261006 T08 .39+ .75- 261006 703 .57- .30+ 261006 R17 .03- .01+ 261006 T08 .21+ .02- 261006 703 .86+ .08+ 261006 R17 .08- .12+ 261006 H36 .02- .22+ 261006 703 .60- .14- 261006 T08 .29- .07+ 261006 H36 .10+ .14+ 261006 703 .03- .21- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 10 06 12 03 01 21.016 -06 51 57.96 .08883 1.0733 144.5 18.8 .301 102 2026 10 06 13 03 00 47.104 -06 44 43.19 .08886 1.0735 144.7 18.8 .528 114 2026 10 06 14 03 00 13.231 -06 37 28.61 .08890 1.0737 144.9 18.8 .803 119 2026 10 06 15 02 59 39.395 -06 30 14.24 .08895 1.0739 145.1 18.8 1.12 122 2026 10 06 16 02 59 05.598 -06 23 00.09 .08899 1.0741 145.3 18.8 1.48 124 2026 10 06 17 02 58 31.841 -06 15 46.18 .08903 1.0743 145.5 18.8 1.88 125 2026 10 06 18 02 57 58.123 -06 08 32.51 .08907 1.0745 145.7 18.8 2.31 126 2026 10 06 19 02 57 24.444 -06 01 19.10 .08912 1.0747 145.9 18.8 2.79 127 2026 10 06 20 02 56 50.806 -05 54 05.95 .08916 1.0749 146.1 18.8 3.31 127 2026 10 06 21 02 56 17.209 -05 46 53.09 .08921 1.0751 146.3 18.8 3.86 128 2026 10 06 22 02 55 43.653 -05 39 40.52 .08926 1.0752 146.5 18.8 4.45 128 2026 10 06 23 02 55 10.138 -05 32 28.26 .08931 1.0754 146.7 18.8 5.08 129 2026 10 07 00 02 54 36.664 -05 25 16.32 .08936 1.0756 146.9 18.8 5.75 129 2026 10 07 01 02 54 03.233 -05 18 04.70 .08941 1.0758 147.1 18.8 6.46 129 2026 10 07 02 02 53 29.844 -05 10 53.42 .08946 1.0760 147.3 18.8 7.21 129 2026 10 07 03 02 52 56.498 -05 03 42.50 .08951 1.0762 147.5 18.8 7.99 129 2026 10 07 04 02 52 23.196 -04 56 31.94 .08956 1.0764 147.7 18.8 8.81 129 2026 10 07 05 02 51 49.937 -04 49 21.75 .08962 1.0766 147.9 18.8 9.67 130 2026 10 07 06 02 51 16.721 -04 42 11.95 .08967 1.0768 148.1 18.8 10.6 130 2026 10 07 07 02 50 43.550 -04 35 02.55 .08973 1.0770 148.3 18.8 11.5 130 2026 10 07 08 02 50 10.423 -04 27 53.56 .08979 1.0771 148.5 18.8 12.5 130 2026 10 07 09 02 49 37.342 -04 20 44.99 .08984 1.0773 148.7 18.7 13.5 130 2026 10 07 10 02 49 04.305 -04 13 36.84 .08990 1.0775 148.9 18.7 14.5 130 2026 10 07 11 02 48 31.315 -04 06 29.15 .08996 1.0777 149.1 18.7 15.6 130 2026 10 07 12 02 47 58.370 -03 59 21.90 .09002 1.0779 149.3 18.7 16.7 130 2026 10 07 13 02 47 25.471 -03 52 15.12 .09009 1.0781 149.5 18.7 17.9 130 2026 10 07 14 02 46 52.619 -03 45 08.81 .09015 1.0783 149.7 18.7 19.0 130 2026 10 07 15 02 46 19.814 -03 38 03.00 .09021 1.0785 149.9 18.7 20.3 130 2026 10 07 16 02 45 47.056 -03 30 57.67 .09028 1.0787 150.1 18.7 21.5 130 2026 10 07 17 02 45 14.345 -03 23 52.86 .09034 1.0789 150.3 18.7 22.8 130 2026 10 07 18 02 44 41.683 -03 16 48.56 .09041 1.0790 150.5 18.7 24.1 130 2026 10 07 19 02 44 09.068 -03 09 44.79 .09048 1.0792 150.7 18.7 25.5 130 2026 10 07 20 02 43 36.503 -03 02 41.56 .09054 1.0794 150.9 18.7 26.9 130 2026 10 07 21 02 43 03.985 -02 55 38.88 .09061 1.0796 151.1 18.7 28.3 130 2026 10 07 22 02 42 31.517 -02 48 36.76 .09068 1.0798 151.3 18.7 29.8 130 2026 10 07 23 02 41 59.099 -02 41 35.21 .09076 1.0800 151.5 18.7 31.3 130 2026 10 08 00 02 41 26.730 -02 34 34.24 .09083 1.0802 151.7 18.7 32.8 131 2026 10 08 01 02 40 54.411 -02 27 33.86 .09090 1.0804 151.9 18.7 34.4 131 2026 10 08 02 02 40 22.143 -02 20 34.08 .09098 1.0806 152.1 18.7 35.9 131 2026 10 08 03 02 39 49.925 -02 13 34.91 .09105 1.0807 152.3 18.7 37.6 131 2026 10 08 04 02 39 17.758 -02 06 36.36 .09113 1.0809 152.4 18.7 39.2 131 2026 10 08 05 02 38 45.642 -01 59 38.43 .09120 1.0811 152.6 18.7 40.9 131 2026 10 08 06 02 38 13.578 -01 52 41.15 .09128 1.0813 152.8 18.7 42.6 131 2026 10 08 07 02 37 41.565 -01 45 44.51 .09136 1.0815 153.0 18.7 44.4 131 2026 10 08 08 02 37 09.604 -01 38 48.53 .09144 1.0817 153.2 18.7 46.2 131 2026 10 08 09 02 36 37.696 -01 31 53.22 .09152 1.0819 153.4 18.7 48.0 131 2026 10 08 10 02 36 05.840 -01 24 58.59 .09160 1.0821 153.6 18.7 49.8 131 2026 10 08 11 02 35 34.037 -01 18 04.63 .09169 1.0823 153.8 18.7 51.7 131