"Pseudo-MPEC" for A11Evap
Created 2026 Jul 15 9:35:03 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
A11Evap*0C2026 07 09.92429419 47 18.264-40 21 22.43 ~7CF5 19.33oVNEOCPM22
A11Evap 0C2026 07 09.92710719 47 18.355-40 21 07.78 ~7CF5 19.38oVNEOCPM22
A11Evap 0C2026 07 09.94033719 47 18.852-40 19 57.22 ~7CF5 19.28oVNEOCPM22
A11Evap 0C2026 07 09.94621419 47 18.994-40 19 26.87 ~7CF5 19.30oVNEOCPM22
A11Evap KB2026 07 10.16424919 47 29.202-40 00 06.72 ~7CF5 19.2 GXNEOCPY05
A11Evap KB2026 07 10.17972019 47 29.578-39 58 42.46 ~7CF5 19.4 GXNEOCPY05
A11Evap KB2026 07 10.19470919 47 30.018-39 57 20.91 ~7CF5 18.9 GXNEOCPY05
A11Evap 0B2026 07 10.85443219 48 07.350-38 55 53.95 ~7CF5 WNEOCPM21
A11Evap 0B2026 07 10.86630319 48 07.776-38 54 47.38 ~7CF5 19.3 GWNEOCPM21
A11Evap 0B2026 07 10.87821119 48 08.156-38 53 40.32 ~7CF5 WNEOCPM21
A11Evap KC2026 07 11.61006719 48 42.142-37 41 22.20 ~7CF5 19.4 GWNEOCP474
A11Evap KC2026 07 11.61261819 48 42.230-37 41 06.76 ~7CF5 18.9 GWNEOCP474
A11Evap KC2026 07 11.61516819 48 42.317-37 40 50.99 ~7CF5 19.3 GWNEOCP474
A11Evap KC2026 07 11.61771619 48 42.406-37 40 35.44 ~7CF5 19.3 GWNEOCP474
A11Evap 1B2026 07 11.88353919 48 59.323-37 13 34.72 ~7CF5 19.0 VZNEOCPM49
A11Evap 1B2026 07 11.88716719 48 59.438-37 13 12.54 ~7CF5 18.9 VZNEOCPM49
A11Evap 1B2026 07 11.89079419 48 59.537-37 12 50.26 ~7CF5 18.8 VZNEOCPM49
A11Evap 1C2026 07 12.16884019 49 12.870-36 43 37.10 ~7CFo LNEOCPX25
A11Evap 1C2026 07 12.17008019 49 12.890-36 43 28.80 ~7CFo LNEOCPX25
A11Evap 1C2026 07 12.17135019 49 12.900-36 43 20.40 ~7CFo LNEOCPX25
A11Evap 1C2026 07 12.17261019 49 12.930-36 43 12.20 ~7CFo LNEOCPX25
A11Evap 1C2026 07 12.17385019 49 12.990-36 43 05.80 ~7CFo LNEOCPX25
A11Evap C2026 07 13.31252919 50 10.729-34 37 22.44 ~7D85 18.8 GWNEOCPH01
A11Evap C2026 07 13.31555019 50 10.813-34 37 01.20 ~7D85 18.8 GWNEOCPH01
A11Evap C2026 07 13.31919819 50 10.933-34 36 36.23 ~7D85 18.8 GWNEOCPH01
A11Evap C2026 07 13.32549319 50 11.109-34 35 51.73 ~7D85 18.8 GWNEOCPH01
A11Evap KC2026 07 13.53844 19 50 23.62 -34 10 04.5 ~7DEo 18.6 GVNEOCPE23
A11Evap KC2026 07 13.55336 19 50 24.09 -34 08 19.3 ~7DEo 18.7 GVNEOCPE23
A11Evap KC2026 07 13.56827 19 50 24.57 -34 06 34.2 ~7DEo 19.1 GVNEOCPE23
A11Evap 0C2026 07 14.42186619 51 09.042-32 22 40.49 ~7EJ5 18.96wXNEOCPF51
A11Evap 0C2026 07 14.42841419 51 09.218-32 21 51.18 ~7EJ5 19.01wXNEOCPF51
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.
(E23) Arcadia (S33.621197 E151.071190) Australia/NSW. Observer A. Hidas.
0.35-m f/1.9 reflector + CCD.
(F51) Pan-STARRS 1, Haleakala (N20.707234 W156.255910) US/Hawaii.
Observers J. Herman, T. Lowe, P. Minguez, A. Schultz, I. Smith. Measurers
K. Chambers, T. de Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chrétien +
CCD.
(H01) Magdalena Ridge Observatory, Socorro (N33.984833 W107.189333) US/New
Mexico. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m
f/8.9 reflector + CCD.
(M21) Schiaparelli Southern Observatory, Hakos (S23.236549 E16.361440)
Namibia. Observers A. Aletti, F. Bellini, L. Buzzi, G. Galli. Measurer L.
Buzzi. 0.36-m f/8.4 reflector + 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.
(M49) IAS Remote Observatory, Hakos (S23.236549 E16.361720) Namibia.
Observers D. Husar, M. Junius. Measurer D. Husar. 0.25-m f/4.6 reflector +
CCD.
(X25) UBC Southern Observatory (S30.526459 W70.853220) Chile.
(Y05) SONEAR Wykrota-CEAMIG, Serra da Piedade (S19.824251 W43.690000)
Brazil. Observer C. Jacques. 0.45-m f/2.9 reflector + CMO.
Orbital elements: A11Evap
Perihelion 2026 Aug 17.616202 +/- 0.0345 TT = 14:47:19.8 (JD 2461270.116202)
Epoch 2026 Jul 14.0 TT = JDT 2461235.5 Earth MOID: 0.1192 Ju: 0.7265
M 353.807307852 +/- 0.12 (J2000 ecliptic) AutoNEOCP
n 0.178895771 +/- 0.0034 Peri. 31.801857 +/- 0.017
a 3.119387535 +/- 0.0395 Node 296.111649 +/- 0.00051
e 0.65193502 +/- 0.00428 Incl. 19.996951 +/- 0.07
P 5.50940 H 21.87 G 0.15 U 8.9
q 1.085749540 +/- 0.000392 Q 5.153025530 +/- 0.0786
From 31 observations 2026 July 9-14; mean residual 0".34
Residuals in arcseconds: 260709 M22 .71- .17+ 260711 474 .29+ .14- 260713 H01 .21+ .02+ 260709 M22 .64- .00 260711 474 .30+ .03- 260713 H01 .14+ .22+ 260709 M22 .51+ .71+ 260711 474 .32+ .14- 260713 H01 .29+ .24- 260709 M22 .14+ .05- 260711 M49 .30+ .10- 260713 H01 .16+ .33+ 260710 Y05 .22+ .02- 260711 M49 .33+ .15- 260713 E23 .15- .18+ 260710 Y05 .31- .00 260711 M49 .18+ .12- 260713 E23 .02- .20+ 260710 Y05 .02- .41- 260712 X25 .27- .30- 260713 E23 .34+ .14- 260710 M21 .06+ .13- 260712 X25 .47- .17+ 260714 F51 .00 .12+ 260710 M21 .38+ .16- 260712 X25 .81- .54+ 260714 F51 .05- .17- 260710 M21 .31+ .10- 260712 X25 .90- .78+ 260711 474 .27+ .07+ 260712 X25 .61- .66- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 07 15 10 19 52 00.792 -30 11 01.31 .15610 1.1708 170.8 18.7 .322 162 2026 07 15 11 19 52 03.007 -30 05 19.09 .15587 1.1706 170.9 18.7 .327 162 2026 07 15 12 19 52 05.223 -29 59 35.79 .15563 1.1704 171.0 18.7 .332 162 2026 07 15 13 19 52 07.441 -29 53 51.41 .15539 1.1702 171.0 18.7 .337 162 2026 07 15 14 19 52 09.660 -29 48 05.95 .15516 1.1700 171.1 18.7 .343 162 2026 07 15 15 19 52 11.880 -29 42 19.41 .15492 1.1698 171.2 18.7 .348 162 2026 07 15 16 19 52 14.103 -29 36 31.78 .15469 1.1696 171.3 18.7 .353 162 2026 07 15 17 19 52 16.326 -29 30 43.06 .15446 1.1694 171.4 18.7 .358 161 2026 07 15 18 19 52 18.552 -29 24 53.26 .15422 1.1692 171.5 18.7 .364 161 2026 07 15 19 19 52 20.779 -29 19 02.36 .15399 1.1690 171.6 18.7 .369 161 2026 07 15 20 19 52 23.007 -29 13 10.37 .15376 1.1688 171.7 18.7 .374 161 2026 07 15 21 19 52 25.237 -29 07 17.29 .15353 1.1686 171.8 18.7 .380 161 2026 07 15 22 19 52 27.469 -29 01 23.11 .15330 1.1684 171.9 18.7 .385 161 2026 07 15 23 19 52 29.702 -28 55 27.83 .15307 1.1682 172.0 18.6 .390 161 2026 07 16 00 19 52 31.937 -28 49 31.45 .15284 1.1680 172.1 18.6 .395 161 2026 07 16 01 19 52 34.174 -28 43 33.96 .15261 1.1678 172.2 18.6 .401 160 2026 07 16 02 19 52 36.412 -28 37 35.37 .15238 1.1676 172.3 18.6 .406 160 2026 07 16 03 19 52 38.652 -28 31 35.68 .15215 1.1674 172.4 18.6 .411 160 2026 07 16 04 19 52 40.894 -28 25 34.88 .15193 1.1672 172.5 18.6 .416 160 2026 07 16 05 19 52 43.138 -28 19 32.97 .15170 1.1670 172.6 18.6 .422 160 2026 07 16 06 19 52 45.383 -28 13 29.94 .15147 1.1668 172.7 18.6 .427 160 2026 07 16 07 19 52 47.630 -28 07 25.81 .15125 1.1666 172.8 18.6 .432 160 2026 07 16 08 19 52 49.878 -28 01 20.56 .15102 1.1664 172.9 18.6 .437 160 2026 07 16 09 19 52 52.128 -27 55 14.19 .15080 1.1662 173.0 18.6 .442 159 2026 07 16 10 19 52 54.381 -27 49 06.70 .15058 1.1660 173.1 18.6 .447 159 2026 07 16 11 19 52 56.634 -27 42 58.09 .15035 1.1658 173.2 18.6 .452 159 2026 07 16 12 19 52 58.890 -27 36 48.37 .15013 1.1656 173.3 18.5 .457 159 2026 07 16 13 19 53 01.147 -27 30 37.51 .14991 1.1654 173.4 18.5 .463 159 2026 07 16 14 19 53 03.407 -27 24 25.54 .14969 1.1652 173.5 18.5 .468 159 2026 07 16 15 19 53 05.668 -27 18 12.44 .14947 1.1650 173.6 18.5 .473 159 2026 07 16 16 19 53 07.931 -27 11 58.20 .14925 1.1648 173.7 18.5 .478 158 2026 07 16 17 19 53 10.195 -27 05 42.85 .14903 1.1646 173.8 18.5 .482 158 2026 07 16 18 19 53 12.462 -26 59 26.36 .14881 1.1644 173.9 18.5 .487 158 2026 07 16 19 19 53 14.730 -26 53 08.73 .14859 1.1642 174.0 18.5 .492 158 2026 07 16 20 19 53 17.001 -26 46 49.98 .14837 1.1641 174.1 18.5 .497 158 2026 07 16 21 19 53 19.273 -26 40 30.09 .14816 1.1639 174.2 18.5 .502 158 2026 07 16 22 19 53 21.547 -26 34 09.06 .14794 1.1637 174.3 18.5 .507 158 2026 07 16 23 19 53 23.823 -26 27 46.89 .14773 1.1635 174.4 18.5 .511 157 2026 07 17 00 19 53 26.101 -26 21 23.59 .14751 1.1633 174.5 18.5 .516 157 2026 07 17 01 19 53 28.381 -26 14 59.15 .14730 1.1631 174.6 18.4 .521 157 2026 07 17 02 19 53 30.662 -26 08 33.56 .14708 1.1629 174.7 18.4 .525 157 2026 07 17 03 19 53 32.946 -26 02 06.83 .14687 1.1627 174.8 18.4 .530 157 2026 07 17 04 19 53 35.232 -25 55 38.96 .14666 1.1625 174.9 18.4 .534 157 2026 07 17 05 19 53 37.520 -25 49 09.94 .14645 1.1623 175.0 18.4 .539 157 2026 07 17 06 19 53 39.809 -25 42 39.78 .14624 1.1621 175.1 18.4 .543 156 2026 07 17 07 19 53 42.101 -25 36 08.47 .14602 1.1619 175.2 18.4 .548 156 2026 07 17 08 19 53 44.395 -25 29 36.01 .14581 1.1617 175.3 18.4 .552 156 2026 07 17 09 19 53 46.690 -25 23 02.40 .14561 1.1615 175.4 18.4 .556 156