"Pseudo-MPEC" for P21DdiS
Created 2023 Jan 29 12:22:24 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry: P21DdiS* C2023 01 23+qdFB1qMfq/F7DWyR
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F52 P21DdiS C2023 01 235FX7n3)k$E]-kgXW9o_m?9dBoEq5cOL1/W3VBp
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F52 P21DdiS C2023 01 23Qk^DdRbaG.a%v[.HF$W#AjZ=;w+RMP]si
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F52 P21DdiS C2023 01 23BCnEd9Y\TWg`^rDWaK;\o9$Gy
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F52 P21DdiS |C2023 01 2872GQ6H*U'p$j,yeB9D84f
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807 P21DdiS |C2023 01 289_)3%c*v[@o]96jv^;N0dAjE#c$P%I
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807 P21DdiS |C2023 01 28fp#`y:U(K?Iod3BW8ka0-u;Ns+F+;f!C;r]pTb6#XT*kw;]hmvx.
807 P21DdiS KC2023 01 29.27394209 01 38.982+14 09 35.14 ~1T77 21.89GVNEOCPI52 P21DdiS KC2023 01 29.27657309 01 38.748+14 09 39.13 ~1T77 21.05GVNEOCPI52 P21DdiS KC2023 01 29.27921109 01 38.608+14 09 42.84 ~1T77 21.97GVNEOCPI52 Station data: (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. (I52) Steward Observatory, Mt. Lemmon Station (N32.442544 W110.788920) US/Arizona. Observers T. A. Pruyne, B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Gröller, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchoś. 1.0-m reflector + CCD. Orbital elements: P21DdiS Perihelion 2022 May 23.04500 +/- 12.9 TT = 1:04:47 (JD 2459722.54500) Epoch 2023 Jan 29.0 TT = JDT 2459973.5 Earth MOID: 0.7661 AutoNEOCP M 93.26494420 +/- 2.6 (J2000 ecliptic) n 0.37164011 +/- 0.00905 Peri. 249.96335 +/- 2.4 a 1.91596540 +/- 0.0311 Node 134.07274 +/- 0.08 e 0.1205023 +/- 0.00295 Incl. 24.95595 +/- 1.5 P 2.65/968.66d H 19.79 G 0.15 U 9.6 q 1.68508711 +/- 0.0257 Q 2.14684369 +/- 0.0374 From 10 observations 2023 Jan. 23-29; mean residual 0".15
Residuals in arcseconds: 230123 F52 .13+ .15- 230128 807 .03- .02- 230129 I52 .46- .10+ 230123 F52 .03- .08+ 230128 807 .03- .04+ 230129 I52 .31+ .05+ 230123 F52 .07- .02+ 230128 807 .06+ .03- 230123 F52 .04- .06+ 230129 I52 .15+ .15- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2023 01 29 12 09 01 22.969 +14 14 59.31 .97420 1.9570 174.7 21.5 .262 94 2023 01 29 13 09 01 20.050 +14 15 58.50 .97421 1.9571 174.7 21.5 .279 95 2023 01 29 14 09 01 17.130 +14 16 57.70 .97422 1.9571 174.8 21.5 .295 96 2023 01 29 15 09 01 14.209 +14 17 56.90 .97424 1.9572 174.8 21.5 .311 97 2023 01 29 16 09 01 11.287 +14 18 56.10 .97425 1.9573 174.9 21.5 .327 98 2023 01 29 17 09 01 08.365 +14 19 55.30 .97426 1.9573 175.0 21.5 .344 98 2023 01 29 18 09 01 05.441 +14 20 54.51 .97427 1.9574 175.0 21.5 .360 99 2023 01 29 19 09 01 02.517 +14 21 53.72 .97429 1.9574 175.1 21.5 .376 99 2023 01 29 20 09 00 59.593 +14 22 52.93 .97430 1.9575 175.1 21.5 .393 100 2023 01 29 21 09 00 56.668 +14 23 52.14 .97431 1.9576 175.2 21.5 .409 100 2023 01 29 22 09 00 53.742 +14 24 51.36 .97433 1.9576 175.2 21.5 .426 101 2023 01 29 23 09 00 50.815 +14 25 50.57 .97434 1.9577 175.3 21.5 .442 101 2023 01 30 00 09 00 47.888 +14 26 49.79 .97436 1.9577 175.4 21.5 .458 102 2023 01 30 01 09 00 44.960 +14 27 49.01 .97438 1.9578 175.4 21.5 .474 102 2023 01 30 02 09 00 42.031 +14 28 48.23 .97439 1.9579 175.5 21.5 .490 102 2023 01 30 03 09 00 39.102 +14 29 47.45 .97441 1.9579 175.5 21.5 .506 102 2023 01 30 04 09 00 36.172 +14 30 46.68 .97443 1.9580 175.6 21.5 .522 103 2023 01 30 05 09 00 33.241 +14 31 45.90 .97445 1.9580 175.6 21.5 .538 103 2023 01 30 06 09 00 30.310 +14 32 45.13 .97447 1.9581 175.7 21.5 .554 103 2023 01 30 07 09 00 27.378 +14 33 44.35 .97449 1.9582 175.7 21.5 .570 103 2023 01 30 08 09 00 24.446 +14 34 43.58 .97451 1.9582 175.8 21.5 .586 103 2023 01 30 09 09 00 21.513 +14 35 42.81 .97453 1.9583 175.9 21.5 .601 103 2023 01 30 10 09 00 18.579 +14 36 42.03 .97455 1.9583 175.9 21.5 .617 104 2023 01 30 11 09 00 15.645 +14 37 41.26 .97457 1.9584 176.0 21.5 .632 104 2023 01 30 12 09 00 12.710 +14 38 40.49 .97459 1.9585 176.0 21.5 .647 104 2023 01 30 13 09 00 09.775 +14 39 39.72 .97461 1.9585 176.1 21.5 .662 104 2023 01 30 14 09 00 06.839 +14 40 38.95 .97464 1.9586 176.1 21.5 .677 104 2023 01 30 15 09 00 03.903 +14 41 38.18 .97466 1.9586 176.2 21.5 .692 104 2023 01 30 16 09 00 00.966 +14 42 37.40 .97468 1.9587 176.2 21.5 .706 104 2023 01 30 17 08 59 58.028 +14 43 36.63 .97471 1.9588 176.3 21.5 .721 104 2023 01 30 18 08 59 55.090 +14 44 35.86 .97473 1.9588 176.3 21.5 .735 104 2023 01 30 19 08 59 52.152 +14 45 35.09 .97476 1.9589 176.4 21.5 .749 104 2023 01 30 20 08 59 49.213 +14 46 34.31 .97479 1.9589 176.5 21.5 .764 104 2023 01 30 21 08 59 46.273 +14 47 33.54 .97481 1.9590 176.5 21.5 .777 104 2023 01 30 22 08 59 43.333 +14 48 32.76 .97484 1.9591 176.6 21.5 .791 104 2023 01 30 23 08 59 40.393 +14 49 31.98 .97487 1.9591 176.6 21.5 .805 104 2023 01 31 00 08 59 37.452 +14 50 31.21 .97490 1.9592 176.7 21.5 .818 104 2023 01 31 01 08 59 34.510 +14 51 30.43 .97493 1.9592 176.7 21.5 .831 104 2023 01 31 02 08 59 31.568 +14 52 29.65 .97495 1.9593 176.8 21.5 .844 104 2023 01 31 03 08 59 28.626 +14 53 28.86 .97498 1.9594 176.8 21.5 .857 104 2023 01 31 04 08 59 25.683 +14 54 28.08 .97501 1.9594 176.9 21.5 .870 104 2023 01 31 05 08 59 22.740 +14 55 27.30 .97505 1.9595 176.9 21.4 .882 103 2023 01 31 06 08 59 19.797 +14 56 26.51 .97508 1.9595 177.0 21.4 .894 103 2023 01 31 07 08 59 16.853 +14 57 25.72 .97511 1.9596 177.0 21.4 .906 103 2023 01 31 08 08 59 13.908 +14 58 24.93 .97514 1.9597 177.1 21.4 .918 103 2023 01 31 09 08 59 10.963 +14 59 24.13 .97517 1.9597 177.1 21.4 .929 103 2023 01 31 10 08 59 08.018 +15 00 23.34 .97521 1.9598 177.2 21.4 .941 103 2023 01 31 11 08 59 05.073 +15 01 22.54 .97524 1.9598 177.2 21.4 .952 103