"Pseudo-MPEC" for K4I21RS
Created 2025 Jul 7 21:35:07 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
K4I21RS*!C2025 06 25.01199 16 21 44.96 -25 20 47.5 ~6PH5 22.2 rWNEOCPW84
K4I21RS !C2025 06 25.01336 16 21 45.22 -25 20 46.6 ~6PH5 22.3 rWNEOCPW84
K4I21RS !C2025 06 25.01474 16 21 45.50 -25 20 45.6 ~6PH5 22.4 rWNEOCPW84
K4I21RS !C2025 06 25.01748 16 21 46.08 -25 20 43.5 ~6PH5 22.1 rWNEOCPW84
K4I21RS !C2025 06 25.01885 16 21 46.34 -25 20 42.6 ~6PH5 22.3 rWNEOCPW84
K4I21RS !C2025 06 25.02022 16 21 46.61 -25 20 41.7 ~6PH5 22.4 rWNEOCPW84
K4I21RS !C2025 06 25.11300 16 22 04.90 -25 19 32.3 ~6PH5 22.1 rWNEOCPW84
K4I21RS !C2025 06 25.11437 16 22 05.18 -25 19 31.2 ~6PH5 22.2 rWNEOCPW84
K4I21RS !C2025 06 25.11989 16 22 06.26 -25 19 26.8 ~6PH5 22.5 rWNEOCPW84
Station data:
(W84) Cerro Tololo-DECam (S30.169594 W70.806420) Chile. Observer F. Valdes.
Measurer S. Deen. 4.0-m reflector + CCD.
Orbital elements: K4I21RS
Perihelion 2025 Apr 25.59253 +/- 34.7 TT = 14:13:15 (JD 2460791.09253)
Epoch 2025 Jun 25.0 TT = JDT 2460851.5 Earth MOID: 0.0446 Ma: 0.0362
M 28.42714704 +/- 22 (J2000 ecliptic) AutoNEOCP
n 0.47058996 +/- 0.334 Peri. 286.39885 +/- 70
a 1.63697083 +/- 0.774 Node 281.66036 +/- 55
e 0.3807985 +/- 0.241 Incl. 2.77209 +/- 1.6
P 2.094/764.983d H 24.67 G 0.15 U 12.0 SR
q 1.01361466 +/- 0.321 Q 2.26032700 +/- 46.6
From 9 observations 2025 June 25 (2.6 hr); mean residual 0".10
Residuals in arcseconds: 250625 W84 .00 .03+ 250625 W84 .27+ .10+ 250625 W84 .12- .05- 250625 W84 .20- .05- 250625 W84 .08+ .02+ 250625 W84 .04+ .02- 250625 W84 .15- .03- 250625 W84 .02+ .07- 250625 W84 .06+ .07+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2025 07 07 22 16 58 23.529 -23 08 59.76 .26100 1.2498 150.2 23.4 27d 112 2025 07 07 23 16 58 29.277 -23 08 40.64 .26128 1.2500 150.2 23.4 27d 112 2025 07 08 00 16 58 35.019 -23 08 21.55 .26156 1.2503 150.1 23.4 27d 112 2025 07 08 01 16 58 40.755 -23 08 02.50 .26184 1.2505 150.1 23.4 27d 112 2025 07 08 02 16 58 46.485 -23 07 43.49 .26211 1.2507 150.1 23.4 27d 112 2025 07 08 03 16 58 52.209 -23 07 24.51 .26239 1.2509 150.1 23.4 27d 112 2025 07 08 04 16 58 57.927 -23 07 05.57 .26267 1.2511 150.1 23.4 27d 112 2025 07 08 05 16 59 03.639 -23 06 46.66 .26295 1.2514 150.1 23.4 27d 112 2025 07 08 06 16 59 09.345 -23 06 27.79 .26323 1.2516 150.0 23.4 27d 112 2025 07 08 07 16 59 15.044 -23 06 08.95 .26350 1.2518 150.0 23.4 27d 112 2025 07 08 08 16 59 20.738 -23 05 50.15 .26378 1.2520 150.0 23.4 27d 112 2025 07 08 09 16 59 26.426 -23 05 31.38 .26406 1.2522 150.0 23.4 28d 112 2025 07 08 10 16 59 32.108 -23 05 12.65 .26434 1.2524 150.0 23.4 28d 112 2025 07 08 11 16 59 37.784 -23 04 53.96 .26462 1.2527 149.9 23.4 28d 112 2025 07 08 12 16 59 43.454 -23 04 35.29 .26490 1.2529 149.9 23.4 28d 112 2025 07 08 13 16 59 49.119 -23 04 16.67 .26518 1.2531 149.9 23.4 28d 112 2025 07 08 14 16 59 54.777 -23 03 58.07 .26546 1.2533 149.9 23.4 28d 112 2025 07 08 15 17 00 00.430 -23 03 39.52 .26574 1.2535 149.9 23.4 28d 112 2025 07 08 16 17 00 06.076 -23 03 21.00 .26602 1.2538 149.9 23.4 28d 112 2025 07 08 17 17 00 11.717 -23 03 02.51 .26630 1.2540 149.8 23.4 28d 112 2025 07 08 18 17 00 17.352 -23 02 44.05 .26658 1.2542 149.8 23.4 28d 112 2025 07 08 19 17 00 22.982 -23 02 25.63 .26686 1.2544 149.8 23.4 28d 112 2025 07 08 20 17 00 28.606 -23 02 07.25 .26714 1.2546 149.8 23.4 28d 112 2025 07 08 21 17 00 34.223 -23 01 48.90 .26742 1.2549 149.8 23.4 28d 112 2025 07 08 22 17 00 39.836 -23 01 30.59 .26770 1.2551 149.7 23.4 28d 112 2025 07 08 23 17 00 45.442 -23 01 12.30 .26798 1.2553 149.7 23.4 28d 112 2025 07 09 00 17 00 51.043 -23 00 54.06 .26826 1.2555 149.7 23.4 28d 112 2025 07 09 01 17 00 56.638 -23 00 35.84 .26854 1.2557 149.7 23.4 28d 112 2025 07 09 02 17 01 02.228 -23 00 17.67 .26883 1.2560 149.7 23.4 29d 112 2025 07 09 03 17 01 07.812 -22 59 59.52 .26911 1.2562 149.6 23.4 29d 112 2025 07 09 04 17 01 13.390 -22 59 41.41 .26939 1.2564 149.6 23.4 29d 112 2025 07 09 05 17 01 18.963 -22 59 23.33 .26967 1.2566 149.6 23.5 29d 112 2025 07 09 06 17 01 24.530 -22 59 05.29 .26995 1.2568 149.6 23.5 29d 112 2025 07 09 07 17 01 30.092 -22 58 47.28 .27024 1.2571 149.6 23.5 29d 112 2025 07 09 08 17 01 35.648 -22 58 29.31 .27052 1.2573 149.6 23.5 29d 112 2025 07 09 09 17 01 41.198 -22 58 11.36 .27080 1.2575 149.5 23.5 29d 112 2025 07 09 10 17 01 46.743 -22 57 53.46 .27108 1.2577 149.5 23.5 29d 112 2025 07 09 11 17 01 52.283 -22 57 35.58 .27137 1.2579 149.5 23.5 29d 112 2025 07 09 12 17 01 57.817 -22 57 17.74 .27165 1.2582 149.5 23.5 29d 112 2025 07 09 13 17 02 03.345 -22 56 59.93 .27193 1.2584 149.5 23.5 29d 112 2025 07 09 14 17 02 08.869 -22 56 42.16 .27222 1.2586 149.4 23.5 29d 112 2025 07 09 15 17 02 14.386 -22 56 24.42 .27250 1.2588 149.4 23.5 29d 112 2025 07 09 16 17 02 19.899 -22 56 06.71 .27279 1.2590 149.4 23.5 29d 112 2025 07 09 17 17 02 25.406 -22 55 49.04 .27307 1.2593 149.4 23.5 29d 112 2025 07 09 18 17 02 30.907 -22 55 31.40 .27335 1.2595 149.4 23.5 29d 112 2025 07 09 19 17 02 36.404 -22 55 13.79 .27364 1.2597 149.3 23.5 29d 112 2025 07 09 20 17 02 41.895 -22 54 56.22 .27392 1.2599 149.3 23.5 29d 112 2025 07 09 21 17 02 47.380 -22 54 38.68 .27421 1.2602 149.3 23.5 29d 112