"Pseudo-MPEC" for A11DIrf
Created 2026 Jun 17 18:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11DIrf*0C2026 06 16.43686817 26 47.858-19 44 27.71 ~6H45 16.98cVNEOCPT08
A11DIrf 0C2026 06 16.46917917 26 16.752-19 36 01.19 ~6H45 17.03cVNEOCPT08
A11DIrf 0C2026 06 16.47237717 26 13.642-19 35 10.61 ~6H45 17.05cVNEOCPT08
A11DIrf 0C2026 06 16.47786417 26 08.357-19 33 43.63 ~6H45 17.11cVNEOCPT08
A11DIrf KB2026 06 17.17283617 14 43.174-16 16 07.10 ~6H4Z 17.1 VZNEOCPW05
A11DIrf KB2026 06 17.17506917 14 40.774-16 15 25.99 ~6H4Z 16.6 VZNEOCPW05
A11DIrf KB2026 06 17.17719917 14 38.482-16 14 46.57 ~6H4Z 16.7 VZNEOCPW05
A11DIrf C2026 06 17.39559617 10 46.937-15 04 03.97 ~6HA5 16.8 GWNEOCP474
A11DIrf C2026 06 17.39674417 10 45.691-15 03 42.05 ~6HA5 16.7 GWNEOCP474
A11DIrf C2026 06 17.40082517 10 41.177-15 02 22.78 ~6HA5 16.7 GWNEOCP474
A11DIrf C2026 06 17.40388817 10 37.793-15 01 23.20 ~6HA5 16.8 GWNEOCP474
A11DIrf C2026 06 17.40694917 10 34.404-15 00 23.98 ~6HA5 16.6 GWNEOCP474
A11DIrf KB2026 06 17.42459 17 10 14.50 -14 54 47.2 ~6HB5 16.7 rZNEOCPE94
A11DIrf KB2026 06 17.42705 17 10 11.74 -14 53 59.0 ~6HB5 16.8 rZNEOCPE94
A11DIrf KB2026 06 17.42932 17 10 09.25 -14 53 14.7 ~6HB5 16.9 rZNEOCPE94
Station data:
(474) Mount John Observatory, Lake Tekapo (S43.987385 E170.464960) New
Zealand. Observers A. C. Gilmore, P. M. Kilmartin. Measurer P. M.
Kilmartin. 1.0-m f/7.7 reflector + CCD.
(E94) Gisborne (Possum Observatory) (S38.629920 E177.883310) New Zealand.
Observer J. Drummond. 0.41-m f/4.5 Newtonian reflector + CCD.
(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.
(W05) Tree Gate Farm Observatory, Starkville (N33.347635 W88.732810)
US/Mississippi. Observer J.-F. Gout. 0.5-m f/1.5 reflector + CMOS.
Orbital elements: A11DIrf
Perihelion 2026 Aug 10.493934 +/- 0.176 TT = 11:51:15.9 (JD 2461262.993934)
Epoch 2026 Jun 17.0 TT = JDT 2461208.5 Earth MOID: 0.0656 AutoNEOCP
M 335.081015689 +/- 0.6 (J2000 ecliptic)
n 0.457279966 +/- 0.0103 Peri. 123.472248 +/- 0.18
a 1.668583452 +/- 0.025 Node 264.214230 +/- 0.0007
e 0.77871941 +/- 0.00358 Incl. 41.336011 +/- 0.28
P 2.155/787.249d H 20.83 G 0.15 U 9.7
q 0.369225124 +/- 0.000441 Q 2.967941781 +/- 0.0504
From 15 observations 2026 June 16-17 (23.8 hr); mean residual 0".15
Residuals in arcseconds: 260616 T08 .05- .07- 260617 W05 .01+ .06- 260617 474 .08+ .03+ 260616 T08 .17+ .22- 260617 W05 .06- .05+ 260617 474 .02+ .27- 260616 T08 .16- .05- 260617 474 .10- .24+ 260617 E94 .09- .00 260616 T08 .03+ .34+ 260617 474 .20+ .10- 260617 E94 .36- .10+ 260617 W05 .06+ .03+ 260617 474 .07+ .05- 260617 E94 .24+ .01- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 06 17 19 17 03 21.382 -12 50 31.57 .10627 1.1193 165.8 17.0 1.32 160 2026 06 17 20 17 02 33.139 -12 35 42.37 .10581 1.1187 165.4 17.0 1.50 158 2026 06 17 21 17 01 44.578 -12 20 45.01 .10536 1.1181 165.1 17.0 1.69 157 2026 06 17 22 17 00 55.696 -12 05 39.45 .10491 1.1175 164.7 17.0 1.89 157 2026 06 17 23 17 00 06.492 -11 50 25.66 .10446 1.1169 164.4 17.0 2.11 156 2026 06 18 00 16 59 16.964 -11 35 03.58 .10402 1.1163 164.0 17.0 2.33 155 2026 06 18 01 16 58 27.110 -11 19 33.18 .10358 1.1158 163.7 17.0 2.57 154 2026 06 18 02 16 57 36.929 -11 03 54.44 .10315 1.1152 163.3 17.0 2.82 154 2026 06 18 03 16 56 46.418 -10 48 07.31 .10272 1.1146 163.0 17.0 3.08 153 2026 06 18 04 16 55 55.576 -10 32 11.76 .10229 1.1140 162.6 17.0 3.35 153 2026 06 18 05 16 55 04.401 -10 16 07.76 .10187 1.1134 162.2 17.0 3.64 152 2026 06 18 06 16 54 12.891 -09 59 55.30 .10145 1.1128 161.9 17.0 3.94 152 2026 06 18 07 16 53 21.045 -09 43 34.33 .10103 1.1122 161.5 17.0 4.25 152 2026 06 18 08 16 52 28.861 -09 27 04.84 .10062 1.1117 161.1 17.0 4.57 151 2026 06 18 09 16 51 36.337 -09 10 26.82 .10021 1.1111 160.7 17.0 4.91 151 2026 06 18 10 16 50 43.471 -08 53 40.23 .09980 1.1105 160.3 17.0 5.26 151 2026 06 18 11 16 49 50.262 -08 36 45.07 .09940 1.1099 160.0 17.0 5.63 151 2026 06 18 12 16 48 56.708 -08 19 41.33 .09900 1.1093 159.6 17.0 6.01 150 2026 06 18 13 16 48 02.807 -08 02 28.99 .09861 1.1087 159.2 17.0 6.40 150 2026 06 18 14 16 47 08.558 -07 45 08.05 .09822 1.1081 158.8 17.0 6.81 150 2026 06 18 15 16 46 13.960 -07 27 38.50 .09784 1.1076 158.4 17.0 7.23 150 2026 06 18 16 16 45 19.010 -07 10 00.36 .09745 1.1070 158.0 17.0 7.67 150 2026 06 18 17 16 44 23.707 -06 52 13.61 .09708 1.1064 157.6 17.0 8.12 149 2026 06 18 18 16 43 28.050 -06 34 18.26 .09671 1.1058 157.2 17.0 8.59 149 2026 06 18 19 16 42 32.036 -06 16 14.34 .09634 1.1052 156.8 17.0 9.07 149 2026 06 18 20 16 41 35.666 -05 58 01.84 .09597 1.1046 156.4 17.0 9.57 149 2026 06 18 21 16 40 38.936 -05 39 40.79 .09561 1.1040 155.9 17.0 10.1 149 2026 06 18 22 16 39 41.846 -05 21 11.20 .09526 1.1034 155.5 17.0 10.6 149 2026 06 18 23 16 38 44.395 -05 02 33.11 .09491 1.1029 155.1 17.0 11.2 148 2026 06 19 00 16 37 46.581 -04 43 46.54 .09456 1.1023 154.7 17.0 11.7 148 2026 06 19 01 16 36 48.402 -04 24 51.53 .09422 1.1017 154.3 17.0 12.3 148 2026 06 19 02 16 35 49.858 -04 05 48.11 .09388 1.1011 153.8 17.0 12.9 148 2026 06 19 03 16 34 50.947 -03 46 36.32 .09355 1.1005 153.4 17.0 13.5 148 2026 06 19 04 16 33 51.668 -03 27 16.22 .09322 1.0999 153.0 17.0 14.1 148 2026 06 19 05 16 32 52.019 -03 07 47.84 .09290 1.0993 152.5 17.0 14.8 148 2026 06 19 06 16 31 52.001 -02 48 11.25 .09258 1.0987 152.1 17.0 15.5 148 2026 06 19 07 16 30 51.611 -02 28 26.51 .09227 1.0981 151.6 17.0 16.1 148 2026 06 19 08 16 29 50.848 -02 08 33.67 .09196 1.0975 151.2 17.1 16.8 147 2026 06 19 09 16 28 49.712 -01 48 32.82 .09166 1.0970 150.8 17.1 17.6 147 2026 06 19 10 16 27 48.202 -01 28 24.01 .09136 1.0964 150.3 17.1 18.3 147 2026 06 19 11 16 26 46.316 -01 08 07.34 .09107 1.0958 149.9 17.1 19.0 147 2026 06 19 12 16 25 44.054 -00 47 42.89 .09078 1.0952 149.4 17.1 19.8 147 2026 06 19 13 16 24 41.416 -00 27 10.75 .09050 1.0946 148.9 17.1 20.6 147 2026 06 19 14 16 23 38.399 -00 06 31.00 .09022 1.0940 148.5 17.1 21.4 147 2026 06 19 15 16 22 35.004 +00 14 16.24 .08995 1.0934 148.0 17.1 22.2 147 2026 06 19 16 16 21 31.230 +00 35 10.88 .08968 1.0928 147.5 17.1 23.1 147 2026 06 19 17 16 20 27.077 +00 56 12.80 .08942 1.0922 147.1 17.1 23.9 147 2026 06 19 18 16 19 22.543 +01 17 21.89 .08916 1.0916 146.6 17.1 24.8 147