"Pseudo-MPEC" for P21Yd4A
Created 2024 Sep 9 7:22:20 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
P21Yd4A* C2024 09 07.38921523 54 54.956+14 24 33.36 ~97Bb 22.10wXNEOCPF52
P21Yd4A C2024 09 07.40049423 54 53.425+14 24 06.63 ~97Bb 22.43wXNEOCPF52
P21Yd4A C2024 09 07.41181523 54 51.877+14 23 39.94 ~97Bb 21.92wXNEOCPF52
P21Yd4A C2024 09 07.42327423 54 50.319+14 23 13.03 ~97Bb 21.88wXNEOCPF52
P21Yd4A C2024 09 07.51263523 54 37.956+14 19 36.91 ~97H7 22.67GVNEOCPF52
P21Yd4A C2024 09 07.51329223 54 37.852+14 19 35.54 ~97H7 22.24GVNEOCPF52
P21Yd4A KC2024 09 08.27387523 53 08.65 +13 47 26.0 ~987M 22.3 GVNEOCPH21
P21Yd4A KC2024 09 08.27965223 53 07.81 +13 47 11.2 ~987M 22.1 GVNEOCPH21
P21Yd4A KC2024 09 08.28446623 53 07.13 +13 46 58.6 ~987M 22.3 GVNEOCPH21
P21Yd4A KC2024 09 08.30981823 53 04.873+13 45 59.33 ~987q VNEOCPV06
P21Yd4A KC2024 09 08.31299423 53 04.394+13 45 51.01 ~987q 22.16GVNEOCPV06
P21Yd4A KC2024 09 08.31616923 53 03.944+13 45 42.84 ~987q 21.88GVNEOCPV06
P21Yd4A KC2024 09 08.31960723 53 03.383+13 45 33.88 ~987q 22.23GVNEOCPV06
P21Yd4A 1C2024 09 08.50736423 52 38.592+13 37 31.21 ~98MM 21.96GVNEOCPT12
P21Yd4A 1C2024 09 08.50904423 52 38.341+13 37 26.66 ~98MM 22.28GVNEOCPT12
Station data:
(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.
(H21) Astronomical Research Observatory, Westfield (N39.483054 W87.968270)
US/Illinois. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T.
Linder, R. Holmes. 0.76-m f/3.0 astrograph + CCD0.81-m f/4.0 astrograph +
CCD0.61-m f/4.5 astrograph + CCD0.40-m f/5.32 astrograph + CCD.
(T12) Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m) (N19.822991 W155.469434)
US/Hawaii. Observer R. Weryk. 2.24-m f/10.1 University of Hawaii
reflector.
(V06) Catalina Sky Survey-Kuiper (N32.416871 W110.732550) 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. 1.55-m reflector + CCD.
Orbital elements: P21Yd4A
Perihelion 2024 Dec 21.79736 +/- 0.377 TT = 19:08:11 (JD 2460666.29736)
Epoch 2024 Sep 8.0 TT = JDT 2460561.5 Earth MOID: 0.0345 Ve: 0.0384
M 252.01780675 +/- 0.40 (J2000 ecliptic) AutoNEOCP
n 1.03039043 +/- 0.000393 Peri. 307.34258 +/- 0.08
a 0.97081133 +/- 0.000247 Node 178.07693 +/- 0.045
e 0.3215318 +/- 0.00212 Incl. 9.37639 +/- 0.053
P 0.957/349.376d H 25.24 G 0.15 U 7.5
q 0.65866458 +/- 0.00196 Q 1.28295808 +/- 0.00229
From 15 observations 2024 Sept. 7-8 (26.9 hr); mean residual 0".18
Residuals in arcseconds: 240907 F52 .04+ .01+ 240907 F52 .08- .05+ 240908 V06 .17+ .02+ 240907 F52 .02- .12- 240908 H21 .00 .20- 240908 V06 .33+ .11+ 240907 F52 .10- .03- 240908 H21 .20- .05+ 240908 V06 .56- .10+ 240907 F52 .06+ .27+ 240908 H21 .06- .02+ 240908 T12 .00 .02+ 240907 F52 .11+ .19- 240908 V06 .43+ .08+ 240908 T12 .00 .02- Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2024 09 09 07 23 50 58.476 +13 01 33.84 .13802 1.1373 159.3 22.2 .329 12 2024 09 09 08 23 50 52.911 +12 59 34.37 .13780 1.1371 159.3 22.2 .360 13 2024 09 09 09 23 50 47.327 +12 57 34.42 .13757 1.1370 159.4 22.1 .392 14 2024 09 09 10 23 50 41.724 +12 55 34.01 .13735 1.1368 159.5 22.1 .425 15 2024 09 09 11 23 50 36.102 +12 53 33.13 .13713 1.1366 159.5 22.1 .460 16 2024 09 09 12 23 50 30.460 +12 51 31.78 .13691 1.1365 159.6 22.1 .496 17 2024 09 09 13 23 50 24.799 +12 49 29.96 .13668 1.1363 159.7 22.1 .534 18 2024 09 09 14 23 50 19.119 +12 47 27.66 .13646 1.1361 159.8 22.1 .573 18 2024 09 09 15 23 50 13.420 +12 45 24.89 .13624 1.1360 159.8 22.1 .613 19 2024 09 09 16 23 50 07.701 +12 43 21.64 .13602 1.1358 159.9 22.1 .654 19 2024 09 09 17 23 50 01.962 +12 41 17.91 .13580 1.1356 160.0 22.1 .697 20 2024 09 09 18 23 49 56.204 +12 39 13.70 .13557 1.1354 160.0 22.1 .741 20 2024 09 09 19 23 49 50.426 +12 37 09.01 .13535 1.1353 160.1 22.1 .786 21 2024 09 09 20 23 49 44.629 +12 35 03.83 .13513 1.1351 160.2 22.1 .833 21 2024 09 09 21 23 49 38.812 +12 32 58.16 .13491 1.1349 160.3 22.1 .881 22 2024 09 09 22 23 49 32.975 +12 30 52.01 .13469 1.1348 160.3 22.1 .931 22 2024 09 09 23 23 49 27.119 +12 28 45.36 .13447 1.1346 160.4 22.1 .982 22 2024 09 10 00 23 49 21.242 +12 26 38.23 .13425 1.1344 160.5 22.1 1.03 23 2024 09 10 01 23 49 15.346 +12 24 30.60 .13403 1.1342 160.6 22.1 1.09 23 2024 09 10 02 23 49 09.429 +12 22 22.47 .13381 1.1341 160.6 22.0 1.14 23 2024 09 10 03 23 49 03.493 +12 20 13.85 .13359 1.1339 160.7 22.0 1.20 23 2024 09 10 04 23 48 57.536 +12 18 04.72 .13337 1.1337 160.8 22.0 1.26 24 2024 09 10 05 23 48 51.559 +12 15 55.10 .13315 1.1336 160.9 22.0 1.32 24 2024 09 10 06 23 48 45.562 +12 13 44.97 .13293 1.1334 160.9 22.0 1.38 24 2024 09 10 07 23 48 39.545 +12 11 34.33 .13271 1.1332 161.0 22.0 1.44 24 2024 09 10 08 23 48 33.507 +12 09 23.19 .13249 1.1331 161.1 22.0 1.51 24 2024 09 10 09 23 48 27.449 +12 07 11.54 .13227 1.1329 161.1 22.0 1.57 25 2024 09 10 10 23 48 21.370 +12 04 59.38 .13206 1.1327 161.2 22.0 1.64 25 2024 09 10 11 23 48 15.271 +12 02 46.70 .13184 1.1325 161.3 22.0 1.71 25 2024 09 10 12 23 48 09.152 +12 00 33.51 .13162 1.1324 161.4 22.0 1.78 25 2024 09 10 13 23 48 03.011 +11 58 19.81 .13140 1.1322 161.4 22.0 1.85 25 2024 09 10 14 23 47 56.850 +11 56 05.58 .13118 1.1320 161.5 22.0 1.92 26 2024 09 10 15 23 47 50.668 +11 53 50.84 .13097 1.1319 161.6 22.0 2.00 26 2024 09 10 16 23 47 44.465 +11 51 35.57 .13075 1.1317 161.7 22.0 2.08 26 2024 09 10 17 23 47 38.242 +11 49 19.77 .13053 1.1315 161.7 22.0 2.15 26 2024 09 10 18 23 47 31.997 +11 47 03.45 .13031 1.1313 161.8 22.0 2.23 26 2024 09 10 19 23 47 25.731 +11 44 46.61 .13010 1.1312 161.9 21.9 2.32 26 2024 09 10 20 23 47 19.444 +11 42 29.23 .12988 1.1310 162.0 21.9 2.40 26 2024 09 10 21 23 47 13.136 +11 40 11.31 .12966 1.1308 162.0 21.9 2.48 26 2024 09 10 22 23 47 06.807 +11 37 52.87 .12945 1.1306 162.1 21.9 2.57 27 2024 09 10 23 23 47 00.457 +11 35 33.88 .12923 1.1305 162.2 21.9 2.66 27 2024 09 11 00 23 46 54.085 +11 33 14.36 .12901 1.1303 162.3 21.9 2.75 27 2024 09 11 01 23 46 47.692 +11 30 54.30 .12880 1.1301 162.4 21.9 2.84 27 2024 09 11 02 23 46 41.277 +11 28 33.69 .12858 1.1300 162.4 21.9 2.93 27 2024 09 11 03 23 46 34.840 +11 26 12.54 .12837 1.1298 162.5 21.9 3.03 27 2024 09 11 04 23 46 28.383 +11 23 50.84 .12815 1.1296 162.6 21.9 3.13 27 2024 09 11 05 23 46 21.903 +11 21 28.60 .12794 1.1294 162.7 21.9 3.23 27 2024 09 11 06 23 46 15.402 +11 19 05.80 .12772 1.1293 162.7 21.9 3.33 27