"Pseudo-MPEC" for P21Yd4B
Created 2024 Sep 9 10:22:22 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry: P21Yd4B* C2024 09 07.39128923 12 52.738+10 20 45.95 ~97BM 20.68wXNEOCPF52 P21Yd4B C2024 09 07.40261123 12 43.108+10 18 37.87 ~97BM 20.79wXNEOCPF52 P21Yd4B C2024 09 07.41398323 12 33.487+10 16 29.87 ~97BM 20.70wXNEOCPF52 P21Yd4B C2024 09 07.50737423 11 16.070+09 59 14.30 ~97H7 20.85GVNEOCPF52 P21Yd4B C2024 09 07.50803123 11 15.527+09 59 07.07 ~97H7 20.39GVNEOCPF52 P21Yd4B 1C2024 09 07.83555 23 07 18.21 +09 01 37.5 ~97KM 21.4 VXNEOCP033 P21Yd4B 1C2024 09 07.83673 23 07 17.39 +09 01 25.8 ~97KM 20.8 VXNEOCP033 P21Yd4B 1C2024 09 07.83792 23 07 16.55 +09 01 14.1 ~97KM 21.3 VXNEOCP033 P21Yd4B KB2024 09 07.88417 23 06 43.53 +08 53 46.7 ~97MM 20.3 RZNEOCP106 P21Yd4B KB2024 09 07.88939 23 06 39.72 +08 52 55.1 ~97MM 19.9 RZNEOCP106 P21Yd4B KB2024 09 07.89451 23 06 36.19 +08 52 06.3 ~97MM 20.3 RZNEOCP106 P21Yd4B KB2024 09 07.89892 23 06 33.02 +08 51 23.9 ~97MM 20.1 RZNEOCP106 P21Yd4B KB2024 09 07.91109623 06 25.28 +08 49 25.9 ~97MM 20.6 GXNEOCPI93 P21Yd4B KB2024 09 07.91488523 06 22.56 +08 48 49.3 ~97MM 20.5 GXNEOCPI93 P21Yd4B KB2024 09 07.91866323 06 19.93 +08 48 12.6 ~97MM 20.3 GXNEOCPI93 P21Yd4B |C2024 09 08.14373023 03 50.730+08 14 44.50 ~984q 21.2 GVNEOCP807 P21Yd4B |C2024 09 08.15034023 03 46.370+08 13 44.60 ~984q 21.0 GVNEOCP807 P21Yd4B |C2024 09 08.15688023 03 42.020+08 12 45.60 ~984q 20.9 GVNEOCP807 P21Yd4B KC2024 09 08.40444823 01 06.640+07 35 15.32 ~98A7 21.72GVNEOCPI52 P21Yd4B KC2024 09 08.40534623 01 06.110+07 35 08.59 ~98A7 21.29GVNEOCPI52 P21Yd4B KC2024 09 08.40623923 01 05.567+07 35 00.67 ~98A7 21.17GVNEOCPI52 P21Yd4B !C2024 09 09.27533 22 53 35.22 +05 45 49.2 ~997M 21.3 GVNEOCP673 P21Yd4B !C2024 09 09.28202 22 53 31.96 +05 45 04.8 ~997M VNEOCP673 Station data: (033) Karl Schwarzschild Observatory, Tautenburg (N50.980139 E11.711240) Germany. Observer B. Stecklum. 1.34-m f/3 Schmidt + CCD. (106) Črni Vrh (N45.945905 E14.071100) Slovenia. Observer J. Skvarč. 0.6-m f/3.3 Deltagraph + CCD. (673) Table Mountain Observatory, Wrightwood (N34.381485 W117.682170) US/California. Observers J. Chesley, J. Pittichova. Measurer W. M. Owen Jr. 0.61-m f/16 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. (I52) Steward Observatory, Mt. Lemmon Station (N32.442570 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 prime focus + CCD. (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. Orbital elements: P21Yd4B Perihelion 2024 Jul 21.43803 +/- 0.0692 TT = 10:30:45 (JD 2460512.93803) Epoch 2024 Sep 9.0 TT = JDT 2460562.5 Earth MOID: 0.0164 Ve: 0.0046 M 15.02999853 +/- 0.19 Me: 0.0266 Ma: 0.0748 AutoNEOCP n 0.30325667 +/- 0.00354 Peri. 253.70987 +/- 0.020 a 2.19413059 +/- 0.0171 Node 329.47447 +/- 0.011 e 0.8536157 +/- 0.0015 Incl. 4.35323 +/- 0.011 P 3.25008 H 24.94 G 0.15 U 9.0 q 0.32118625 +/- 0.000782 Q 4.06707493 +/- 0.035 (J2000 ecliptic) From 23 observations 2024 Sept. 7-9 (45.4 hr); mean residual 0".36
Residuals in arcseconds: 240907 F52 .64+ .50+ 240907 106 .31+ .06+ 240908 807 .15+ .02+ 240907 F52 .00 .03- 240907 106 .92- .71- 240908 807 .21+ .19+ 240907 F52 .33- .28- 240907 106 .88+ .27+ 240908 I52 .08+ .48- 240907 F52 .09- .13- 240907 106 .46+ .69+ 240908 I52 .37+ .40+ 240907 F52 .22- .16- 240907 I93 .17- .02+ 240908 I52 .42+ .05+ 240907 033 .42- .12+ 240907 I93 .74- .02+ 240909 673 .02- .30- 240907 033 .02- .06+ 240907 I93 .11- .23- 240909 673 .11- .20+ 240907 033 .20+ .09+ 240908 807 .55- .03+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 09 09 10 22 52 30.147 +05 30 48.86 .12656 1.1314 168.3 21.4 .072 174 2024 09 09 11 22 52 11.680 +05 26 19.57 .12723 1.1320 168.3 21.4 .072 175 2024 09 09 12 22 51 53.413 +05 21 53.02 .12789 1.1327 168.3 21.4 .072 176 2024 09 09 13 22 51 35.341 +05 17 29.17 .12856 1.1333 168.4 21.4 .072 176 2024 09 09 14 22 51 17.463 +05 13 07.97 .12923 1.1340 168.4 21.4 .072 177 2024 09 09 15 22 50 59.774 +05 08 49.39 .12990 1.1347 168.4 21.4 .073 178 2024 09 09 16 22 50 42.273 +05 04 33.39 .13057 1.1353 168.5 21.4 .073 178 2024 09 09 17 22 50 24.955 +05 00 19.94 .13124 1.1360 168.5 21.5 .073 179 2024 09 09 18 22 50 07.820 +04 56 09.00 .13191 1.1366 168.5 21.5 .073 0 2024 09 09 19 22 49 50.863 +04 52 00.53 .13259 1.1373 168.5 21.5 .073 0 2024 09 09 20 22 49 34.083 +04 47 54.50 .13326 1.1379 168.5 21.5 .073 1 2024 09 09 21 22 49 17.476 +04 43 50.88 .13393 1.1386 168.6 21.5 .074 2 2024 09 09 22 22 49 01.041 +04 39 49.63 .13460 1.1393 168.6 21.5 .074 3 2024 09 09 23 22 48 44.774 +04 35 50.71 .13528 1.1399 168.6 21.5 .074 4 2024 09 10 00 22 48 28.673 +04 31 54.11 .13595 1.1406 168.6 21.5 .074 4 2024 09 10 01 22 48 12.736 +04 27 59.78 .13662 1.1412 168.6 21.6 .075 5 2024 09 10 02 22 47 56.961 +04 24 07.70 .13730 1.1419 168.6 21.6 .075 6 2024 09 10 03 22 47 41.345 +04 20 17.83 .13798 1.1425 168.6 21.6 .075 7 2024 09 10 04 22 47 25.885 +04 16 30.15 .13865 1.1432 168.6 21.6 .075 8 2024 09 10 05 22 47 10.580 +04 12 44.61 .13933 1.1439 168.6 21.6 .076 9 2024 09 10 06 22 46 55.428 +04 09 01.21 .14000 1.1445 168.6 21.6 .076 9 2024 09 10 07 22 46 40.426 +04 05 19.90 .14068 1.1452 168.6 21.6 .076 10 2024 09 10 08 22 46 25.572 +04 01 40.66 .14136 1.1458 168.6 21.6 .077 11 2024 09 10 09 22 46 10.864 +03 58 03.46 .14204 1.1465 168.6 21.6 .077 12 2024 09 10 10 22 45 56.301 +03 54 28.28 .14272 1.1471 168.6 21.7 .077 13 2024 09 10 11 22 45 41.879 +03 50 55.08 .14339 1.1478 168.6 21.7 .078 14 2024 09 10 12 22 45 27.598 +03 47 23.85 .14407 1.1484 168.6 21.7 .078 15 2024 09 10 13 22 45 13.455 +03 43 54.55 .14475 1.1491 168.6 21.7 .079 16 2024 09 10 14 22 44 59.449 +03 40 27.16 .14543 1.1498 168.6 21.7 .079 17 2024 09 10 15 22 44 45.577 +03 37 01.66 .14611 1.1504 168.6 21.7 .080 18 2024 09 10 16 22 44 31.838 +03 33 38.02 .14680 1.1511 168.6 21.7 .080 19 2024 09 10 17 22 44 18.229 +03 30 16.21 .14748 1.1517 168.5 21.7 .081 20 2024 09 10 18 22 44 04.750 +03 26 56.22 .14816 1.1524 168.5 21.7 .081 21 2024 09 10 19 22 43 51.399 +03 23 38.01 .14884 1.1530 168.5 21.8 .082 22 2024 09 10 20 22 43 38.173 +03 20 21.58 .14952 1.1537 168.5 21.8 .082 23 2024 09 10 21 22 43 25.072 +03 17 06.88 .15021 1.1543 168.5 21.8 .083 24 2024 09 10 22 22 43 12.092 +03 13 53.91 .15089 1.1550 168.5 21.8 .084 25 2024 09 10 23 22 42 59.234 +03 10 42.65 .15157 1.1556 168.4 21.8 .084 25 2024 09 11 00 22 42 46.496 +03 07 33.05 .15226 1.1563 168.4 21.8 .085 26 2024 09 11 01 22 42 33.875 +03 04 25.12 .15294 1.1569 168.4 21.8 .086 27 2024 09 11 02 22 42 21.370 +03 01 18.82 .15363 1.1576 168.4 21.8 .087 28 2024 09 11 03 22 42 08.980 +02 58 14.14 .15431 1.1582 168.3 21.9 .088 29 2024 09 11 04 22 41 56.703 +02 55 11.06 .15500 1.1589 168.3 21.9 .089 30 2024 09 11 05 22 41 44.539 +02 52 09.55 .15568 1.1595 168.3 21.9 .089 31 2024 09 11 06 22 41 32.484 +02 49 09.60 .15637 1.1602 168.3 21.9 .090 32 2024 09 11 07 22 41 20.539 +02 46 11.19 .15706 1.1609 168.2 21.9 .091 33 2024 09 11 08 22 41 08.701 +02 43 14.30 .15774 1.1615 168.2 21.9 .092 34 2024 09 11 09 22 40 56.970 +02 40 18.91 .15843 1.1622 168.2 21.9 .093 35