"Pseudo-MPEC" for P21XHE9
Created 2024 Sep 11 0:22:16 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P21XHE9* C2024 09 01.30720720 41 33.457-32 29 09.86 ~919q 21.00wXNEOCPF52
P21XHE9 C2024 09 01.31910120 41 30.615-32 29 00.85 ~919q 21.14wXNEOCPF52
P21XHE9 C2024 09 01.33101520 41 27.753-32 28 51.57 ~919q 21.06wXNEOCPF52
P21XHE9 C2024 09 01.34291020 41 24.916-32 28 42.42 ~919q 20.87wXNEOCPF52
P21XHE9 C2024 09 01.41130220 41 08.578-32 27 49.49 ~91Jq 21.20GVNEOCPF52
P21XHE9 C2024 09 01.41213220 41 08.367-32 27 48.67 ~91Jq 21.03GVNEOCPF52
P21XHE9 |C2024 09 02.00255020 38 49.960-32 20 02.80 ~921b 21.2 GVNEOCP807
P21XHE9 |C2024 09 02.00799020 38 48.700-32 19 58.40 ~921b 21.3 GVNEOCP807
P21XHE9 |C2024 09 02.01350020 38 47.380-32 19 54.20 ~921b 21.0 GVNEOCP807
P21XHE9 C2024 09 04.31731620 30 03.905-31 48 27.08 ~949M 21.19wXNEOCPF52
P21XHE9 C2024 09 04.33705620 29 59.499-31 48 10.46 ~949M 21.47wXNEOCPF52
P21XHE9 C2024 09 04.34691120 29 57.284-31 48 01.75 ~949M 21.36wXNEOCPF52
P21XHE9 1C2024 09 06.48235 20 22 19.10 -31 16 58.4 ~97Mq VNEOCPQ62
P21XHE9 1C2024 09 06.49014 20 22 17.48 -31 16 51.5 ~97Mq 21.1 GVNEOCPQ62
P21XHE9 KC2024 09 09.19123 20 13 15.08 -30 35 54.0 ~995M VNEOCP291
P21XHE9 KC2024 09 09.20074 20 13 13.24 -30 35 45.4 ~995M 21.5 RVNEOCP291
Station data:
(291) LPL/Spacewatch II (N31.961669 W111.599905) US/Arizona. Observers J.
V. Scotti, R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
(807) Cerro Tololo Observatory, La Serena (S30.169133 W70.805900) Chile.
Observer R. Holmes. 0.61-m f/6.5 astrograph + CCD.
(F52) Pan-STARRS 2, Haleakala (N20.707382 W156.255910) US/Hawaii.
Observers J. Bulger, T. Dukes, T. Lowe, A. Schultz, M. Willman. Measurers
K. Chambers, S. Chastel, T. de Boer, L. Denneau, J. Fairlamb, H.
Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
R. Weryk. 1.8-m Ritchey-Chrétien + CCD.
(Q62) iTelescope Observatory, Siding Spring (S31.273286 E149.064420)
Australia/NSW. Observer H. Sato. 0.51-m f/6.8 astrograph + CCD + f/4.5
focal reducer0.43-m f/6.8 astrograph + CCD + focal reducer0.43-m f/6.8
astrograph + CCD0.10-m f/5 astrograph + CCD0.127-m f/5.6 refractor +
CCD0.50-m f/6.8 reflector + CCD0.30-m f/9 reflector + CCD.
Orbital elements: P21XHE9
Perihelion 2024 Sep 1.54319 +/- 0.676 TT = 13:02:11 (JD 2460555.04319)
Epoch 2024 Sep 9.0 TT = JDT 2460562.5 AutoNEOCP
M 0.01576966 +/- 0.008 (J2000 ecliptic)
n 0.00211480 +/- 0.00126 Peri. 347.43345 +/- 0.23
a 60.1113473 +/- 23.6 Node 308.09878 +/- 0.049
e 0.9555004 +/- 0.0175 Incl. 133.19832 +/- 0.08
P 466.05234 H 17.02 G 0.15 U 8.3
q 2.67493058 +/- 0.00364 Q 117.547764 +/- 47.6
From 16 observations 2024 Sept. 1-9; mean residual 0".29
Residuals in arcseconds: 240901 F52 .03- .08+ 240902 807 .23+ .17- 240906 Q62 .78+ .38+ 240901 F52 .03+ .05- 240902 807 .47+ .03- 240906 Q62 1.0+ .33+ 240901 F52 .11- .06+ 240902 807 .16+ .14- 240909 291 .34- .03+ 240901 F52 .01+ .04+ 240904 F52 .01- .07- 240909 291 .17- .22- 240901 F52 .12+ .10- 240904 F52 .07- .19- 240901 F52 .04- .08+ 240904 F52 .30- .14+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 09 11 00 20 07 35.303 -30 07 31.75 1.9310 2.6767 128.5 21.5 .548 26 2024 09 11 01 20 07 27.694 -30 06 52.28 1.9317 2.6767 128.5 21.5 .555 26 2024 09 11 02 20 07 20.095 -30 06 12.79 1.9323 2.6767 128.4 21.5 .563 26 2024 09 11 03 20 07 12.506 -30 05 33.29 1.9330 2.6767 128.4 21.5 .571 26 2024 09 11 04 20 07 04.927 -30 04 53.77 1.9337 2.6768 128.3 21.5 .579 26 2024 09 11 05 20 06 57.358 -30 04 14.24 1.9343 2.6768 128.2 21.5 .587 27 2024 09 11 06 20 06 49.799 -30 03 34.70 1.9350 2.6768 128.2 21.5 .595 27 2024 09 11 07 20 06 42.249 -30 02 55.14 1.9357 2.6768 128.1 21.5 .603 27 2024 09 11 08 20 06 34.710 -30 02 15.57 1.9363 2.6768 128.0 21.5 .611 27 2024 09 11 09 20 06 27.180 -30 01 35.99 1.9370 2.6768 128.0 21.5 .619 27 2024 09 11 10 20 06 19.660 -30 00 56.40 1.9377 2.6769 127.9 21.5 .627 27 2024 09 11 11 20 06 12.150 -30 00 16.79 1.9383 2.6769 127.9 21.5 .635 27 2024 09 11 12 20 06 04.649 -29 59 37.17 1.9390 2.6769 127.8 21.5 .643 27 2024 09 11 13 20 05 57.159 -29 58 57.53 1.9397 2.6769 127.7 21.5 .651 27 2024 09 11 14 20 05 49.678 -29 58 17.89 1.9404 2.6769 127.7 21.5 .660 28 2024 09 11 15 20 05 42.207 -29 57 38.23 1.9410 2.6769 127.6 21.5 .668 28 2024 09 11 16 20 05 34.746 -29 56 58.56 1.9417 2.6770 127.6 21.5 .676 28 2024 09 11 17 20 05 27.294 -29 56 18.87 1.9424 2.6770 127.5 21.5 .685 28 2024 09 11 18 20 05 19.853 -29 55 39.18 1.9431 2.6770 127.4 21.5 .693 28 2024 09 11 19 20 05 12.421 -29 54 59.47 1.9438 2.6770 127.4 21.5 .702 28 2024 09 11 20 20 05 04.999 -29 54 19.75 1.9444 2.6770 127.3 21.5 .711 28 2024 09 11 21 20 04 57.586 -29 53 40.02 1.9451 2.6770 127.2 21.5 .719 28 2024 09 11 22 20 04 50.184 -29 53 00.28 1.9458 2.6771 127.2 21.5 .728 28 2024 09 11 23 20 04 42.791 -29 52 20.53 1.9465 2.6771 127.1 21.5 .737 29 2024 09 12 00 20 04 35.408 -29 51 40.76 1.9472 2.6771 127.1 21.5 .745 29 2024 09 12 01 20 04 28.035 -29 51 00.99 1.9478 2.6771 127.0 21.5 .754 29 2024 09 12 02 20 04 20.672 -29 50 21.20 1.9485 2.6771 126.9 21.5 .763 29 2024 09 12 03 20 04 13.318 -29 49 41.41 1.9492 2.6771 126.9 21.5 .772 29 2024 09 12 04 20 04 05.974 -29 49 01.60 1.9499 2.6772 126.8 21.5 .781 29 2024 09 12 05 20 03 58.640 -29 48 21.78 1.9506 2.6772 126.8 21.5 .790 29 2024 09 12 06 20 03 51.315 -29 47 41.95 1.9513 2.6772 126.7 21.5 .799 29 2024 09 12 07 20 03 44.001 -29 47 02.11 1.9519 2.6772 126.6 21.5 .808 29 2024 09 12 08 20 03 36.696 -29 46 22.26 1.9526 2.6772 126.6 21.5 .818 29 2024 09 12 09 20 03 29.401 -29 45 42.40 1.9533 2.6772 126.5 21.5 .827 30 2024 09 12 10 20 03 22.115 -29 45 02.53 1.9540 2.6773 126.5 21.5 .836 30 2024 09 12 11 20 03 14.839 -29 44 22.65 1.9547 2.6773 126.4 21.5 .845 30 2024 09 12 12 20 03 07.573 -29 43 42.76 1.9554 2.6773 126.3 21.5 .855 30 2024 09 12 13 20 03 00.317 -29 43 02.87 1.9561 2.6773 126.3 21.5 .864 30 2024 09 12 14 20 02 53.070 -29 42 22.96 1.9568 2.6773 126.2 21.5 .874 30 2024 09 12 15 20 02 45.833 -29 41 43.04 1.9575 2.6774 126.1 21.5 .883 30 2024 09 12 16 20 02 38.606 -29 41 03.11 1.9582 2.6774 126.1 21.5 .893 30 2024 09 12 17 20 02 31.388 -29 40 23.18 1.9589 2.6774 126.0 21.5 .902 30 2024 09 12 18 20 02 24.181 -29 39 43.23 1.9596 2.6774 126.0 21.5 .912 30 2024 09 12 19 20 02 16.982 -29 39 03.28 1.9602 2.6774 125.9 21.6 .922 30 2024 09 12 20 20 02 09.794 -29 38 23.31 1.9609 2.6774 125.8 21.6 .932 31 2024 09 12 21 20 02 02.615 -29 37 43.34 1.9616 2.6775 125.8 21.6 .941 31 2024 09 12 22 20 01 55.446 -29 37 03.36 1.9623 2.6775 125.7 21.6 .951 31 2024 09 12 23 20 01 48.286 -29 36 23.37 1.9630 2.6775 125.7 21.6 .961 31