"Pseudo-MPEC" for A11H5r9
Created 2026 Sep 21 6:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11H5r9 0C2026 09 16.39485303 11 36.306-19 42 46.60 ~9INo 19.19rUNEOCPI41
A11H5r9 0C2026 09 16.42133803 11 24.008-19 40 12.18 ~9INo 19.70gUNEOCPI41
A11H5r9 0C2026 09 16.44100903 11 14.797-19 38 16.58 ~9INo 19.19gUNEOCPI41
A11H5r9 0C2026 09 16.47723203 10 57.910-19 34 43.14 ~9INo 19.27rUNEOCPI41
A11H5r9 0C2026 09 16.47770303 10 57.756-19 34 40.21 ~9INo 19.21rUNEOCPI41
A11H5r9*0C2026 09 17.53649703 03 34.078-17 54 05.94 ~9HFK 19.17oVNEOCPT08
A11H5r9 0C2026 09 17.54060903 03 32.189-17 53 43.69 ~9HFK 19.38oVNEOCPT08
A11H5r9 0C2026 09 17.54335103 03 31.116-17 53 29.58 ~9HFK 19.05oVNEOCPT08
A11H5r9 0C2026 09 17.54380703 03 30.898-17 53 26.41 ~9HFK 19.20oVNEOCPT08
A11H5r9 0C2026 09 17.54700703 03 29.491-17 53 08.38 ~9HFK 19.02oVNEOCPT08
A11H5r9 0C2026 09 17.55248903 03 27.142-17 52 39.07 ~9HFK 18.77oVNEOCPT08
A11H5r9 0C2026 09 18.05087403 00 12.106-17 08 07.33 ~9I25 18.1 GWNEOCPJ95
A11H5r9 0C2026 09 18.05369403 00 11.004-17 07 52.03 ~9I25x18.1 GWNEOCPJ95
A11H5r9 0C2026 09 18.05767003 00 09.334-17 07 31.22 ~9I25 18.7 GWNEOCPJ95
A11H5r9 0C2026 09 18.06128403 00 07.889-17 07 11.68 ~9I25 18.6 GWNEOCPJ95
A11H5r9 KB2026 09 18.08182 02 59 58.27 -17 05 21.5 ~9I7o 19.0 GXNEOCPM45
A11H5r9 KB2026 09 18.08788 02 59 55.83 -17 04 49.2 ~9I7o 19.0 GXNEOCPM45
A11H5r9 KB2026 09 18.09016 02 59 55.02 -17 04 38.2 ~9IJZ 19.1 GXNEOCPL04
A11H5r9 KB2026 09 18.09371 02 59 53.47 -17 04 18.1 ~9I7o 19.1 GXNEOCPM45
A11H5r9 KB2026 09 18.09958 02 59 51.24 -17 03 47.7 ~9IJZ 18.9 GXNEOCPL04
A11H5r9 KC2026 09 18.15428202 59 31.562-16 58 47.21 ~9IJK 19.4 VZNEOCPJ22
A11H5r9 KC2026 09 18.15931702 59 29.525-16 58 19.96 ~9IJK 19.6 VZNEOCPJ22
A11H5r9 KC2026 09 18.16417802 59 27.614-16 57 54.11 ~9IJK 19.7 VZNEOCPJ22
A11H5r9 1C2026 09 18.37949102 58 06.892-16 39 09.47 ~9IAK 18.76GVNEOCP703
A11H5r9 1C2026 09 18.38175102 58 05.999-16 38 57.73 ~9IAK 18.60GVNEOCP703
A11H5r9 1C2026 09 18.38401402 58 05.099-16 38 46.18 ~9IAK 18.56GVNEOCP703
A11H5r9 1C2026 09 18.38627602 58 04.192-16 38 34.62 ~9IAK 18.61GVNEOCP703
A11H5r9 KC2026 09 18.91385402 54 48.290-15 53 48.88 ~9J3o 19.5 GXNEOCPN88
A11H5r9 KC2026 09 18.91842602 54 46.558-15 53 24.58 ~9J3o 19.4 GXNEOCPN88
A11H5r9 KC2026 09 18.92303202 54 44.705-15 53 00.78 ~9J3o 18.3 GXNEOCPN88
A11H5r9 KB2026 09 19.01174702 54 15.76 -15 45 35.6 ~9J0o 18.6 GXNEOCPI93
A11H5r9 KB2026 09 19.01607402 54 14.11 -15 45 14.2 ~9J0o 18.4 GXNEOCPI93
A11H5r9 KB2026 09 19.02039902 54 12.52 -15 44 52.8 ~9J0o 18.8 GXNEOCPI93
A11H5r9 KC2026 09 19.02470302 54 10.97 -15 44 30.8 ~9J15 18.7 GXNEOCP958
A11H5r9 KC2026 09 19.02904302 54 09.36 -15 44 09.9 ~9J15 19.1 GXNEOCP958
A11H5r9 KC2026 09 19.03335202 54 07.76 -15 43 47.4 ~9J15 19.0 GXNEOCP958
A11H5r9 0B2026 09 19.12007802 53 34.752-15 36 41.19 ~9JCZ WNEOCP204
A11H5r9 0B2026 09 19.12746602 53 32.003-15 36 04.53 ~9JCZ 19.0 GWNEOCP204
A11H5r9 0B2026 09 19.13473602 53 29.265-15 35 28.75 ~9JCZ WNEOCP204
A11H5r9 KC2026 09 19.96667902 48 45.379-14 28 48.04 ~9K05 19.1 GXNEOCPL18
A11H5r9 KC2026 09 19.97207502 48 43.534-14 28 22.69 ~9K05 18.9 GXNEOCPL18
A11H5r9 KC2026 09 19.97747002 48 41.542-14 27 56.20 ~9K05 18.9 GXNEOCPL18
A11H5r9 KB2026 09 20.04297302 48 19.339-14 22 49.55 ~9K1Z 19.3 GXNEOCP595
A11H5r9 KC2026 09 20.04450402 48 19.01 -14 22 41.8 ~9K1Z 19.3 GVNEOCP104
A11H5r9 KB2026 09 20.04726502 48 17.839-14 22 29.78 ~9K1Z 19.4 GXNEOCP595
A11H5r9 KC2026 09 20.05191502 48 16.42 -14 22 07.4 ~9K1Z 19.3 GVNEOCP104
A11H5r9 1C2026 09 20.40010402 46 22.426-13 55 19.42 ~9KAK 18.64GVNEOCP703
A11H5r9 1C2026 09 20.40239202 46 21.655-13 55 09.48 ~9KAK 18.97GVNEOCP703
A11H5r9 1C2026 09 20.40468002 46 20.827-13 54 59.00 ~9KAK 18.83GVNEOCP703
A11H5r9 1C2026 09 20.40696802 46 20.064-13 54 49.14 ~9KAK 18.77GVNEOCP703
Station data:
(104) San Marcello Pistoiese (N44.064178 E10.803750) Italy. Observers P.
Bacci, M. Maestripieri. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m
reflector + CCD.
(204) Schiaparelli Observatory (N45.868292 E8.769720) Italy. Observer L.
Buzzi. 0.84-m f/3.5 reflector + CCD.
(595) Farra d'Isonzo (N45.915731 E13.525780) Italy. Observers S. Aschi, E.
Pettarin, G. Panterotto. Measurers S. Aschi, E. Pettarin. 0.40-m f/5.15
reflector + CCD.
(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.
(958) Observatoire de Dax (N43.693381 W1.030530) France. Observer P.
Dupouy. 0.32-m Schmidt-Cassegrain.
(I41) Palomar Mountain--ZTF (N33.357336 W116.859780) US/California.
Observers B. T. Bolin, Z. T. F. Collaboration. Measurers B. T. Bolin,
Z.-Y. Lin, F. J. Masci. 1.2-m f/2.4 Schmidt.
(I93) St Pardon de Conques (N44.558670 W0.202960) France. Observers F.
Losse, W. D'Anna. Measurer F. Losse. 0.40-m f/3.7 reflector + CCD.
(J22) Tacande Observatory, La Palma (N28.641559 W17.867650) Canary Islands
(Spain). Observer K. Hills. 0.5-m f/2.9 astrograph + CCD.
(J95) Great Shefford (N51.474969 W1.447003) UK/England. Observer P.
Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain + CCD.
(L04) ROASTERR-1 Observatory, Cluj-Napoca (N46.820952 E23.596400) Romania.
Observer L. Hudin. 0.1-m f/9 refractor + CCD.
(L18) QOS Observatory, Zalistci (N48.848292 E26.718280) Ukraine. Observers
O. V. Kravchenko, Y. V. Tanasiychuk. Measurer A. M. Kozhukhov. 0.50-m
f/3.8 reflector + CCD.
(M45) Starhopper Observatory, Sfantu Gheorghe (N45.865494 E25.768890)
Romania. Observer F. Ursache. 0.41-m f/7.5 reflector + CMO.
(N88) Xingming Observatory #3, Nanshan (N43.471784 E87.173220) China.
Observer X. Gao. Measurer Q.-Z. Ye. 0.6-m f/8 Ritchey-Chrétien + 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.
Orbital elements: A11H5r9
Perihelion 2026 Aug 8.041781 +/- 0.0303 TT = 1:00:09.8 (JD 2461260.541781)
Epoch 2026 Sep 20.0 TT = JDT 2461303.5 Earth MOID: 0.0700 Ju: 0.5774
M 8.479126836 +/- 0.18 Ma: 0.0049 AutoNEOCP
n 0.197380781 +/- 0.00424 Peri. 265.335448 +/- 0.024
a 2.921456834 +/- 0.0411 Node 40.456430 +/- 0.040
e 0.68579523 +/- 0.00465 Incl. 5.687310 +/- 0.037
P 4.99343 H 21.64 G 0.15 U 9.1
q 0.917935659 +/- 0.00046 Q 4.924978009 +/- 0.0826 (J2000 ecliptic)
49 of 50 observations 2026 Sept. 16-20; mean residual 0".45
Residuals in arcseconds: 260916 I41 .27- .17+ 260918 L04 .17- .10- 260919 958 .05- .43- 260916 I41 .31+ .60- 260918 M45 .00 .57+ 260919 958 .09+ .82+ 260916 I41 .27- .44- 260918 L04 .17+ .37+ 260919 204 .30+ .13- 260916 I41 .48- .02+ 260918 J22 .39- .33- 260919 204 .48+ .10- 260916 I41 .44+ .18+ 260918 J22 .19- .45+ 260919 204 .14+ .37- 260917 T08 .64+ .29+ 260918 J22 .80+ .73+ 260919 L18 .63+ 1.2- 260917 T08 1.1- .05+ 260918 703 .00 .26- 260919 L18 1.2+ .94- 260917 T08 .37+ .84- 260918 703 .10+ .19- 260919 L18 .46- .48+ 260917 T08 .05+ .17- 260918 703 .12+ .32- 260920 595 .62- .75+ 260917 T08 .42- .35+ 260918 703 .04+ .44- 260920 104 .03+ .25+ 260917 T08 .36- .35- 260918 N88 .29+ 1.4- 260920 595 .64- .61+ 260918 J95 .45+ .30- 260918 N88 .39+ .06- 260920 104 .03+ .31+ 260918 J95( .87+ .12+) 260918 N88 1.1- .56+ 260920 703 .08- .26+ 260918 J95 .20- .03- 260919 I93 .12+ .17- 260920 703 .17+ .17- 260918 J95 .12- .45+ 260919 I93 .42- .11- 260920 703 .41- .06- 260918 M45 .12- .35+ 260919 I93 .09- .05- 260920 703 .04- .57- 260918 M45 .04+ .45+ 260919 958 .21- .08+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 09 21 07 02 41 42.980 -12 49 06.50 .15201 1.1191 136.4 19.3 .261 155 2026 09 21 08 02 41 30.368 -12 46 08.51 .15225 1.1194 136.5 19.3 .261 154 2026 09 21 09 02 41 17.791 -12 43 11.00 .15249 1.1197 136.6 19.3 .260 154 2026 09 21 10 02 41 05.251 -12 40 13.99 .15273 1.1201 136.7 19.3 .259 153 2026 09 21 11 02 40 52.747 -12 37 17.48 .15298 1.1204 136.8 19.3 .258 153 2026 09 21 12 02 40 40.279 -12 34 21.45 .15322 1.1207 136.9 19.3 .258 152 2026 09 21 13 02 40 27.846 -12 31 25.92 .15346 1.1210 137.0 19.3 .257 151 2026 09 21 14 02 40 15.449 -12 28 30.87 .15370 1.1214 137.0 19.3 .257 151 2026 09 21 15 02 40 03.086 -12 25 36.31 .15395 1.1217 137.1 19.3 .256 150 2026 09 21 16 02 39 50.759 -12 22 42.24 .15419 1.1220 137.2 19.3 .256 149 2026 09 21 17 02 39 38.467 -12 19 48.65 .15444 1.1224 137.3 19.3 .255 149 2026 09 21 18 02 39 26.210 -12 16 55.55 .15468 1.1227 137.4 19.3 .255 148 2026 09 21 19 02 39 13.987 -12 14 02.92 .15492 1.1230 137.5 19.3 .255 147 2026 09 21 20 02 39 01.799 -12 11 10.78 .15517 1.1233 137.6 19.4 .255 147 2026 09 21 21 02 38 49.644 -12 08 19.12 .15541 1.1237 137.7 19.4 .255 146 2026 09 21 22 02 38 37.524 -12 05 27.93 .15566 1.1240 137.8 19.4 .255 145 2026 09 21 23 02 38 25.438 -12 02 37.22 .15590 1.1243 137.8 19.4 .255 144 2026 09 22 00 02 38 13.386 -11 59 46.98 .15615 1.1247 137.9 19.4 .255 144 2026 09 22 01 02 38 01.368 -11 56 57.21 .15640 1.1250 138.0 19.4 .255 143 2026 09 22 02 02 37 49.383 -11 54 07.92 .15664 1.1253 138.1 19.4 .255 142 2026 09 22 03 02 37 37.431 -11 51 19.10 .15689 1.1257 138.2 19.4 .256 141 2026 09 22 04 02 37 25.513 -11 48 30.74 .15713 1.1260 138.3 19.4 .256 140 2026 09 22 05 02 37 13.627 -11 45 42.86 .15738 1.1263 138.4 19.4 .257 140 2026 09 22 06 02 37 01.775 -11 42 55.44 .15763 1.1267 138.5 19.4 .258 139 2026 09 22 07 02 36 49.955 -11 40 08.48 .15788 1.1270 138.6 19.4 .258 138 2026 09 22 08 02 36 38.168 -11 37 21.99 .15812 1.1273 138.6 19.4 .259 137 2026 09 22 09 02 36 26.414 -11 34 35.95 .15837 1.1276 138.7 19.4 .260 136 2026 09 22 10 02 36 14.691 -11 31 50.38 .15862 1.1280 138.8 19.4 .261 135 2026 09 22 11 02 36 03.001 -11 29 05.27 .15887 1.1283 138.9 19.4 .263 135 2026 09 22 12 02 35 51.343 -11 26 20.62 .15912 1.1286 139.0 19.4 .264 134 2026 09 22 13 02 35 39.717 -11 23 36.42 .15937 1.1290 139.1 19.4 .265 133 2026 09 22 14 02 35 28.123 -11 20 52.67 .15962 1.1293 139.2 19.4 .267 132 2026 09 22 15 02 35 16.560 -11 18 09.38 .15987 1.1296 139.3 19.4 .269 131 2026 09 22 16 02 35 05.029 -11 15 26.54 .16012 1.1300 139.3 19.4 .270 130 2026 09 22 17 02 34 53.529 -11 12 44.16 .16037 1.1303 139.4 19.4 .272 130 2026 09 22 18 02 34 42.060 -11 10 02.22 .16062 1.1306 139.5 19.4 .274 129 2026 09 22 19 02 34 30.622 -11 07 20.73 .16087 1.1310 139.6 19.4 .276 128 2026 09 22 20 02 34 19.215 -11 04 39.68 .16112 1.1313 139.7 19.4 .278 127 2026 09 22 21 02 34 07.839 -11 01 59.08 .16137 1.1316 139.8 19.4 .281 126 2026 09 22 22 02 33 56.494 -10 59 18.93 .16162 1.1320 139.9 19.4 .283 125 2026 09 22 23 02 33 45.179 -10 56 39.22 .16187 1.1323 140.0 19.4 .286 125 2026 09 23 00 02 33 33.894 -10 53 59.94 .16213 1.1326 140.0 19.4 .288 124 2026 09 23 01 02 33 22.640 -10 51 21.11 .16238 1.1330 140.1 19.4 .291 123 2026 09 23 02 02 33 11.416 -10 48 42.72 .16263 1.1333 140.2 19.4 .294 122 2026 09 23 03 02 33 00.221 -10 46 04.76 .16288 1.1336 140.3 19.4 .297 121 2026 09 23 04 02 32 49.057 -10 43 27.24 .16314 1.1340 140.4 19.4 .300 121 2026 09 23 05 02 32 37.922 -10 40 50.15 .16339 1.1343 140.5 19.4 .303 120 2026 09 23 06 02 32 26.817 -10 38 13.50 .16364 1.1346 140.6 19.4 .307 119