"Pseudo-MPEC" for A11EXt4
Created 2026 Jul 21 14:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11EXt4*0C2026 07 19.44457321 54 47.074+21 24 10.30 ~7JI5 17.69oVNEOCPT08
A11EXt4 0C2026 07 19.44548621 54 54.110+21 24 48.10 ~7JI5 17.80oVNEOCPT08
A11EXt4 0C2026 07 19.44640021 55 00.883+21 25 23.77 ~7JI5 17.94oVNEOCPT08
A11EXt4 0C2026 07 19.44873421 55 18.353+21 26 55.82 ~7JI5 17.41oVNEOCPT08
A11EXt4 0C2026 07 19.48466121 59 52.272+21 50 29.65 ~7JI5 17.62oVNEOCPT08
A11EXt4 0C2026 07 19.48840722 00 21.053+21 52 54.91 ~7JI5 17.74oVNEOCPT08
Station data:
(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: A11EXt4
Perihelion 2026 Sep 14.110122 +/- 10.7 TT = 2:38:34.5 (JD 2461297.610122)
Epoch 2026 Jul 19.0 TT = JDT 2461240.5 Earth MOID: 0.0012 AutoNEOCP
M 316.205238670 +/- 13 (J2000 ecliptic)
n 0.766847624 +/- 0.186 Peri. 244.708812 +/- 12
a 1.182124807 +/- 0.191 Node 118.404861 +/- 1.3
e 0.23699693 +/- 0.138 Incl. 5.019465 +/- 1.4
P 1.285/469.446d H 27.52 G 0.15 U 11.6 SR
q 0.901964853 +/- 0.0295 Q 1.462284762 +/- 0.592
From 6 observations 2026 July 19 (63.1 min); mean residual 1".25
Residuals in arcseconds: 260719 T08 1.9- 1.2- 260719 T08 .32+ .26+ 260719 T08 2.3+ .86+ 260719 T08 1.1+ .60+ 260719 T08 .33+ .34+ 260719 T08 2.2- .84- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 07 21 15 04 36 22.417 +15 44 40.01 971864 1.0118 49.0 22?? 908' 68 2026 07 21 16 04 39 41.345 +15 23 44.44 991330 1.0116 48.4 22?? 915' 68 2026 07 21 17 04 42 51.945 +15 03 27.15 .00676 1.0115 47.7 22?? 922' 67 2026 07 21 18 04 45 54.663 +14 43 47.28 .00689 1.0113 47.2 22?? 928' 67 2026 07 21 19 04 48 49.920 +14 24 43.88 .00703 1.0112 46.6 22?? 933' 67 2026 07 21 20 04 51 38.112 +14 06 15.98 .00716 1.0111 46.0 22?? 939' 67 2026 07 21 21 04 54 19.612 +13 48 22.55 .00730 1.0109 45.5 23?? 943' 67 2026 07 21 22 04 56 54.772 +13 31 02.53 .00743 1.0108 45.0 23?? 948' 66 2026 07 21 23 04 59 23.921 +13 14 14.87 .00757 1.0106 44.6 23?? 952' 66 2026 07 22 00 05 01 47.372 +12 57 58.50 .00771 1.0105 44.1 23?? 956' 66 2026 07 22 01 05 04 05.415 +12 42 12.37 .00785 1.0103 43.7 23?? 960' 66 2026 07 22 02 05 06 18.327 +12 26 55.44 .00800 1.0102 43.3 23?? 963' 66 2026 07 22 03 05 08 26.365 +12 12 06.67 .00814 1.0100 42.9 23?? 966' 66 2026 07 22 04 05 10 29.773 +11 57 45.08 .00828 1.0099 42.5 23?? 969' 66 2026 07 22 05 05 12 28.781 +11 43 49.67 .00842 1.0098 42.2 23?? 972' 65 2026 07 22 06 05 14 23.603 +11 30 19.49 .00857 1.0096 41.8 23?? 974' 65 2026 07 22 07 05 16 14.441 +11 17 13.62 .00871 1.0095 41.5 23?? 976' 65 2026 07 22 08 05 18 01.488 +11 04 31.16 .00886 1.0093 41.2 23?? 979' 65 2026 07 22 09 05 19 44.923 +10 52 11.24 .00901 1.0092 40.9 24?? 980' 65 2026 07 22 10 05 21 24.915 +10 40 13.03 .00915 1.0090 40.6 24?? 982' 65 2026 07 22 11 05 23 01.624 +10 28 35.73 .00930 1.0089 40.3 24?? 984' 65 2026 07 22 12 05 24 35.201 +10 17 18.54 .00945 1.0087 40.1 24?? 986' 65 2026 07 22 13 05 26 05.788 +10 06 20.74 .00960 1.0086 39.8 24?? 987' 65 2026 07 22 14 05 27 33.519 +09 55 41.60 .00975 1.0085 39.6 24?? 988' 65 2026 07 22 15 05 28 58.521 +09 45 20.44 .00989 1.0083 39.3 24?? 989' 65 2026 07 22 16 05 30 20.913 +09 35 16.58 .01004 1.0082 39.1 24?? 991' 64 2026 07 22 17 05 31 40.810 +09 25 29.39 .01019 1.0080 38.9 24?? 992' 64 2026 07 22 18 05 32 58.318 +09 15 58.28 .01035 1.0079 38.7 24?? 993' 64 2026 07 22 19 05 34 13.539 +09 06 42.64 .01050 1.0077 38.5 24?? 993' 64 2026 07 22 20 05 35 26.568 +08 57 41.93 .01065 1.0076 38.3 24?? 994' 64 2026 07 22 21 05 36 37.497 +08 48 55.60 .01080 1.0074 38.1 24?? 995' 64 2026 07 22 22 05 37 46.412 +08 40 23.14 .01095 1.0073 38.0 24?? 995' 64 2026 07 22 23 05 38 53.394 +08 32 04.05 .01110 1.0072 37.8 24?? 996' 64 2026 07 23 00 05 39 58.521 +08 23 57.88 .01126 1.0070 37.6 24?? 997' 64 2026 07 23 01 05 41 01.868 +08 16 04.15 .01141 1.0069 37.5 25?? 997' 64 2026 07 23 02 05 42 03.503 +08 08 22.44 .01156 1.0067 37.3 25?? 997' 64 2026 07 23 03 05 43 03.493 +08 00 52.33 .01172 1.0066 37.2 25?? 998' 64 2026 07 23 04 05 44 01.902 +07 53 33.43 .01187 1.0064 37.0 25?? 998' 64 2026 07 23 05 05 44 58.790 +07 46 25.34 .01202 1.0063 36.9 25?? 998' 64 2026 07 23 06 05 45 54.213 +07 39 27.71 .01218 1.0062 36.8 25?? 999' 64 2026 07 23 07 05 46 48.227 +07 32 40.19 .01233 1.0060 36.7 25?? 999' 64 2026 07 23 08 05 47 40.883 +07 26 02.43 .01249 1.0059 36.5 25?? 17d 64 2026 07 23 09 05 48 32.230 +07 19 34.11 .01264 1.0057 36.4 25?? 17d 63 2026 07 23 10 05 49 22.317 +07 13 14.92 .01280 1.0056 36.3 25?? 17d 63 2026 07 23 11 05 50 11.187 +07 07 04.57 .01295 1.0054 36.2 25?? 17d 63 2026 07 23 12 05 50 58.884 +07 01 02.77 .01311 1.0053 36.1 25?? 17d 63 2026 07 23 13 05 51 45.449 +06 55 09.25 .01326 1.0052 36.0 25?? 17d 63 2026 07 23 14 05 52 30.921 +06 49 23.74 .01342 1.0050 35.9 25?? 17d 63