"Pseudo-MPEC" for 6HF2521
Created 2026 Aug 16 8:35:04 UT using Find_Orb
Click here for an explanation of pseudo-MPECs
Astrometry:
6HF2521*KC2026 08 16.13819 20 54 59.74 -03 31 56.9 ~8G55 19.9 GVNEOCPW94
6HF2521 KC2026 08 16.14444 20 55 00.70 -03 32 39.1 ~8G55 VNEOCPW94
6HF2521 KC2026 08 16.15066 20 55 01.55 -03 33 21.6 ~8G55 19.5 GVNEOCPW94
6HF2521 4C2026 08 16.21138 20 55 10.67 -03 40 09.2 ~8G5o 19.7 VqNEOCPW97
6HF2521 4C2026 08 16.21724 20 55 11.63 -03 40 47.9 ~8G5o qNEOCPW97
6HF2521 4C2026 08 16.22308 20 55 12.50 -03 41 27.0 ~8G5o qNEOCPW97
6HF2521 !C2026 08 16.27290520 55 21.967-03 47 39.08 ~8G6o 20.1 GWNEOCP673
6HF2521 !C2026 08 16.27518520 55 22.308-03 47 54.42 ~8G6o 20.0 GWNEOCP673
Station data:
(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.
(W94) AMACS1, San Pedro de Atacama (S22.953074 W68.179810) Chile. Observers
A. Maury, G. Attard. Measurers A. Maury, G. Attard, D. Parrott. 0.28-m
f/2.2 Schmidt + CCD.
(W97) Atacama Desert Observatory, San Pedro de Atacama (S22.953413
W68.179760) Chile.
Orbital elements: 6HF2521
Perihelion 2026 Jul 23.010195 +/- 97.7 TT = 0:14:40.8 (JD 2461244.510195)
Epoch 2026 Aug 16.0 TT = JDT 2461268.5 Earth MOID: 0.2200 AutoNEOCP
M 6.801343250 +/- 30 (J2000 ecliptic)
n 0.283509730 +/- 0.098 Peri. 152.305582 +/- 90
a 2.294866378 +/- 0.529 Node 147.167992 +/- 1.1
e 0.47637800 +/- 0.0199 Incl. 23.222397 +/- 4.8
P 3.47645 H 22.12 G 0.15 U 11.2
q 1.201642501 +/- 0.242 Q 3.388090256 +/- 0.818
From 8 observations 2026 Aug. 16 (3.3 hr); mean residual 0".38
Residuals in arcseconds: 260816 W94 .15+ .33+ 260816 W97 .63- .38- 260816 673 .02- .03- 260816 W94 .49+ .14+ 260816 W97 .51+ .25+ 260816 673 .09- .06- 260816 W94 .74- .56- 260816 W97 .34+ .33+ Ephemerides (geocentric): Date (UTC) HH RA Dec delta r elong mag " sig PA ---- -------- ------------ ------------ ------ ------ ----- --- -------- 2026 08 16 09 20 55 38.492 -03 58 39.70 .22372 1.2300 164.9 20.1 9.08 165 2026 08 16 10 20 55 45.373 -04 03 18.95 .22379 1.2301 165.0 20.1 14.1 164 2026 08 16 11 20 55 52.254 -04 07 58.09 .22385 1.2302 165.0 20.1 20.1 163 2026 08 16 12 20 55 59.136 -04 12 37.10 .22391 1.2303 165.1 20.1 27.2 163 2026 08 16 13 20 56 06.017 -04 17 15.98 .22397 1.2304 165.1 20.1 35.2 163 2026 08 16 14 20 56 12.900 -04 21 54.73 .22404 1.2305 165.2 20.1 44.3 162 2026 08 16 15 20 56 19.782 -04 26 33.35 .22410 1.2306 165.2 20.1 54.4 162 2026 08 16 16 20 56 26.665 -04 31 11.84 .22417 1.2307 165.3 20.1 65.6 162 2026 08 16 17 20 56 33.548 -04 35 50.20 .22423 1.2308 165.3 20.1 77.7 162 2026 08 16 18 20 56 40.431 -04 40 28.42 .22430 1.2309 165.4 20.1 90.9 162 2026 08 16 19 20 56 47.315 -04 45 06.50 .22437 1.2310 165.4 20.1 105 161 2026 08 16 20 20 56 54.199 -04 49 44.45 .22443 1.2311 165.5 20.1 120 161 2026 08 16 21 20 57 01.083 -04 54 22.25 .22450 1.2312 165.5 20.1 137 161 2026 08 16 22 20 57 07.967 -04 58 59.91 .22457 1.2313 165.6 20.1 154 161 2026 08 16 23 20 57 14.851 -05 03 37.42 .22464 1.2314 165.6 20.1 173 161 2026 08 17 00 20 57 21.736 -05 08 14.79 .22471 1.2315 165.7 20.0 192 161 2026 08 17 01 20 57 28.621 -05 12 52.00 .22478 1.2316 165.7 20.0 213 161 2026 08 17 02 20 57 35.506 -05 17 29.07 .22485 1.2317 165.8 20.0 234 161 2026 08 17 03 20 57 42.391 -05 22 05.99 .22492 1.2318 165.8 20.0 257 161 2026 08 17 04 20 57 49.277 -05 26 42.75 .22500 1.2319 165.8 20.0 281 161 2026 08 17 05 20 57 56.162 -05 31 19.36 .22507 1.2320 165.9 20.0 306 161 2026 08 17 06 20 58 03.048 -05 35 55.81 .22514 1.2321 165.9 20.0 332 161 2026 08 17 07 20 58 09.934 -05 40 32.10 .22522 1.2322 166.0 20.0 359 161 2026 08 17 08 20 58 16.820 -05 45 08.23 .22529 1.2323 166.0 20.0 387 161 2026 08 17 09 20 58 23.706 -05 49 44.19 .22537 1.2324 166.1 20.0 416 161 2026 08 17 10 20 58 30.593 -05 54 20.00 .22545 1.2325 166.1 20.0 446 160 2026 08 17 11 20 58 37.479 -05 58 55.64 .22552 1.2326 166.1 20.0 477 160 2026 08 17 12 20 58 44.366 -06 03 31.10 .22560 1.2327 166.2 20.0 510 160 2026 08 17 13 20 58 51.252 -06 08 06.41 .22568 1.2328 166.2 20.0 543 160 2026 08 17 14 20 58 58.139 -06 12 41.54 .22576 1.2329 166.3 20.0 578 160 2026 08 17 15 20 59 05.026 -06 17 16.49 .22584 1.2330 166.3 20.0 614 160 2026 08 17 16 20 59 11.913 -06 21 51.28 .22592 1.2331 166.3 20.0 651 160 2026 08 17 17 20 59 18.800 -06 26 25.88 .22600 1.2332 166.4 20.0 689 160 2026 08 17 18 20 59 25.687 -06 31 00.31 .22608 1.2333 166.4 20.0 728 160 2026 08 17 19 20 59 32.573 -06 35 34.56 .22616 1.2334 166.5 20.0 768 160 2026 08 17 20 20 59 39.460 -06 40 08.63 .22624 1.2335 166.5 20.0 809 160 2026 08 17 21 20 59 46.348 -06 44 42.51 .22632 1.2336 166.5 20.0 852 160 2026 08 17 22 20 59 53.235 -06 49 16.22 .22641 1.2337 166.6 20.0 895 160 2026 08 17 23 21 00 00.122 -06 53 49.73 .22649 1.2338 166.6 20.0 940 160 2026 08 18 00 21 00 07.009 -06 58 23.06 .22658 1.2339 166.6 20.0 986 160 2026 08 18 01 21 00 13.896 -07 02 56.20 .22666 1.2340 166.7 20.0 1033 160 2026 08 18 02 21 00 20.783 -07 07 29.14 .22675 1.2341 166.7 20.0 1081 160 2026 08 18 03 21 00 27.670 -07 12 01.90 .22683 1.2342 166.7 20.0 1130 160 2026 08 18 04 21 00 34.556 -07 16 34.46 .22692 1.2343 166.8 20.0 1181 160 2026 08 18 05 21 00 41.443 -07 21 06.82 .22701 1.2344 166.8 20.0 1232 160 2026 08 18 06 21 00 48.330 -07 25 38.99 .22710 1.2345 166.8 20.0 1285 160 2026 08 18 07 21 00 55.217 -07 30 10.96 .22719 1.2346 166.9 20.0 1339 160 2026 08 18 08 21 01 02.103 -07 34 42.73 .22728 1.2347 166.9 20.0 1394 160