Event between 19CJ3 and star GA1080:03317023 with event index number of 2354140
Geocentric closest approach at 2023/01/31 13:59:41 UTC
J2000 position of star is 10:37:48.4 +19:34:02
Equinox of date position of star is 10:39:01.1 +19:27:01
Stellar brightness G=16.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon.
Moon is 78% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 17.9 AU from the Sun
and 17.0 AU from the Earth.
The TNO is moving 23.0
km/sec on the sky relative to the star, or,
6.7 arcsec/hr.
The 1-sigma error in the time of the event is 35 seconds.
The 1-sigma cross-track error in the shadow position is
779 km.
The sky-plane scale is
12362.2 km/arcsec.
The TNO has an absolute magnitude Hv=8.7
Diameter=110.7 km assuming a 5% albedo -- 4.8 sec chord
Diameter=45.2 km assuming a 30% albedo -- 2.0 sec chord
Dynamical classification is CENTAURR
Star training set for 19CJ3, (2023/01/31 14:00UT) Object RA Dec mag sep mel Regulus 10:09:36.0 +11:51:13 1.3 10.38 75 68Del Leo 11:15:20.0 +20:23:49 2.6 8.58 86 PPM 127658 10:45:28.9 +19:38:14 6.2 1.53 80 PPM 127583 10:39:47.6 +19:29:41 8.2 0.18 79 19CJ3 10:39:03.2 +19:26:49 16.4 79 Positions are for equinox of date
This table contains the target star visibility for the RECON
network. The observing range has been set to a maximum of
5.0 sigma about the mid-time.
The median site spacing is 7.8 km
RECON observability=0.4 and success probability=0.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 13:59:33 | -7.3 | NT | Down | 24.4 | 270.9 | Low | 13:56:07 - 14:02:59 | 4052 |
| Dunrhomin | 13:58:35 | -3.0 | CT | Down | 23.3 | 276.5 | Low | 13:55:09 - 14:02:01 | 3923 |
| CU-SBO | 13:58:35 | -3.0 | CT | Down | 23.4 | 276.5 | Low | 13:55:09 - 14:02:01 | 3914 |
| Kelowna | 13:59:26 | -15.0 | AT | Down | 33.1 | 261.2 | Up | 13:56:00 - 14:02:52 | 3578 |
| Penticton | 13:59:24 | -15.1 | AT | Down | 33.2 | 261.3 | Up | 13:55:58 - 14:02:50 | 3569 |
| Anarchist Mountain Observatory | 13:59:21 | -14.9 | AT | Down | 33.2 | 261.8 | Up | 13:55:55 - 14:02:47 | 3568 |
| Summerland | 13:59:25 | -15.1 | AT | Down | 33.3 | 261.2 | Up | 13:55:59 - 14:02:51 | 3566 |
| Peachland | 13:59:26 | -15.2 | AT | Down | 33.3 | 261.0 | Up | 13:56:00 - 14:02:52 | 3565 |
| Oliver | 13:59:23 | -15.0 | AT | Down | 33.3 | 261.6 | Up | 13:55:57 - 14:02:49 | 3563 |
| Tonasket | 13:59:20 | -14.9 | AT | Down | 33.3 | 262.0 | Up | 13:55:54 - 14:02:46 | 3559 |
| Kamloops | 13:59:30 | -15.7 | AT | Down | 33.5 | 259.9 | Up | 13:56:04 - 14:02:56 | 3557 |
| Okanogan | 13:59:19 | -14.9 | AT | Down | 33.4 | 262.1 | Up | 13:55:53 - 14:02:45 | 3547 |
| Brewster | 13:59:19 | -15.0 | AT | Down | 33.6 | 262.1 | Up | 13:55:53 - 14:02:45 | 3534 |
| PNWRO | 13:59:07 | -14.1 | AT | Down | 33.3 | 264.1 | Up | 13:55:41 - 14:02:33 | 3527 |
| Manson/Chelan | 13:59:17 | -15.2 | AT | Down | 33.9 | 261.9 | Up | 13:55:51 - 14:02:43 | 3515 |
| Wenatchee | 13:59:15 | -15.2 | AT | Down | 34.0 | 262.1 | Up | 13:55:49 - 14:02:41 | 3499 |
| Ellensburg | 13:59:13 | -15.3 | AT | Down | 34.3 | 262.2 | Up | 13:55:47 - 14:02:39 | 3481 |
| Toppenish/White Swan | 13:59:10 | -15.1 | AT | Down | 34.2 | 262.7 | Up | 13:55:44 - 14:02:36 | 3473 |
| Yakima | 13:59:11 | -15.3 | AT | Down | 34.3 | 262.4 | Up | 13:55:45 - 14:02:37 | 3471 |
| George/Scottsdale | 13:58:07 | -6.1 | NT | Down | 28.0 | 275.8 | Low | 13:54:41 - 14:01:33 | 3460 |
| Goldendale | 13:59:07 | -15.4 | AT | Down | 34.6 | 262.7 | Up | 13:55:41 - 14:02:33 | 3443 |
| Patrick | 13:58:16 | -8.1 | NT | Down | 29.8 | 273.8 | Low | 13:54:50 - 14:01:42 | 3434 |
| The Dalles | 13:59:07 | -15.6 | AT | Down | 34.9 | 262.6 | Up | 13:55:41 - 14:02:33 | 3421 |
| Kingman/Dolan Springs | 13:58:15 | -8.2 | NT | Down | 29.9 | 273.8 | Low | 13:54:49 - 14:01:41 | 3418 |
| Maupin | 13:59:05 | -15.4 | AT | Down | 34.9 | 263.0 | Up | 13:55:39 - 14:02:31 | 3416 |
| Henderson | 13:58:19 | -9.1 | NT | Down | 30.7 | 272.8 | Up | 13:54:53 - 14:01:45 | 3406 |
| Victoria | 13:59:23 | -17.4 | AT | Down | 35.9 | 258.8 | Up | 13:55:57 - 14:02:49 | 3396 |
| Indian Springs | 13:58:22 | -9.8 | NT | Down | 31.3 | 272.1 | Up | 13:54:56 - 14:01:48 | 3395 |
| Laughlin/Bullhead City | 13:58:14 | -8.6 | NT | Down | 30.4 | 273.6 | Up | 13:54:48 - 14:01:40 | 3393 |
| Mohave Valley | 13:58:13 | -8.5 | NT | Down | 30.3 | 273.7 | Up | 13:54:47 - 14:01:39 | 3383 |
| Lake Havasu City | 13:58:11 | -8.2 | NT | Down | 30.1 | 274.1 | Up | 13:54:45 - 14:01:37 | 3379 |
| Tonopah | 13:58:29 | -11.3 | NT | Down | 32.5 | 270.3 | Up | 13:55:03 - 14:01:55 | 3377 |
| Bend | 13:58:59 | -15.4 | AT | Down | 35.2 | 263.6 | Up | 13:55:33 - 14:02:25 | 3377 |
| North Lake | 13:58:56 | -15.0 | AT | Down | 35.0 | 264.4 | Up | 13:55:30 - 14:02:22 | 3373 |
| Sisters | 13:59:01 | -15.6 | AT | Down | 35.4 | 263.2 | Up | 13:55:35 - 14:02:27 | 3372 |
| Parker | 13:58:09 | -8.1 | NT | Down | 30.1 | 274.3 | Up | 13:54:43 - 14:01:35 | 3367 |
| Lakeview | 13:58:50 | -14.4 | AT | Down | 34.7 | 265.5 | Up | 13:55:24 - 14:02:16 | 3367 |
| Oregon Observatory | 13:58:59 | -15.5 | AT | Down | 35.3 | 263.6 | Up | 13:55:33 - 14:02:25 | 3366 |
| Beatty | 13:58:24 | -10.7 | NT | Down | 32.2 | 271.3 | Up | 13:54:58 - 14:01:50 | 3357 |
| Cedarville | 13:58:47 | -14.2 | AT | Down | 34.6 | 266.1 | Up | 13:55:21 - 14:02:13 | 3355 |
| Hawthorne | 13:58:32 | -12.5 | AT | Down | 33.6 | 269.1 | Up | 13:55:06 - 14:01:58 | 3328 |
| Yerington | 13:58:35 | -13.0 | AT | Down | 34.0 | 268.5 | Up | 13:55:09 - 14:02:01 | 3319 |
| Chiloquin | 13:58:53 | -15.6 | AT | Down | 35.8 | 264.2 | Up | 13:55:27 - 14:02:19 | 3310 |
| Reno | 13:58:37 | -13.6 | AT | Down | 34.5 | 267.7 | Up | 13:55:11 - 14:02:03 | 3308 |
| Klamath Falls | 13:58:51 | -15.5 | AT | Down | 35.8 | 264.5 | Up | 13:55:25 - 14:02:17 | 3303 |
| Bishop | 13:58:27 | -12.1 | AT | Down | 33.5 | 270.0 | Up | 13:55:01 - 14:01:53 | 3298 |
| Susanville | 13:58:42 | -14.4 | AT | Down | 35.1 | 266.5 | Up | 13:55:16 - 14:02:08 | 3298 |
| Carson City | 13:58:36 | -13.5 | AT | Down | 34.5 | 267.9 | Up | 13:55:10 - 14:02:02 | 3297 |
| Yuma | 13:58:03 | -8.0 | NT | Down | 30.3 | 275.0 | Up | 13:54:37 - 14:01:29 | 3294 |
| Gardnerville | 13:58:35 | -13.4 | AT | Down | 34.5 | 268.1 | Up | 13:55:09 - 14:02:01 | 3291 |
| Portola | 13:58:39 | -14.1 | AT | Down | 35.0 | 267.1 | Up | 13:55:13 - 14:02:05 | 3287 |
| Lee Vining | 13:58:30 | -12.8 | AT | Down | 34.0 | 269.2 | Up | 13:55:04 - 14:01:56 | 3286 |
| Fall River/Burney | 13:58:46 | -15.0 | AT | Down | 35.6 | 265.6 | Up | 13:55:20 - 14:02:12 | 3284 |
| Gimple | 13:58:41 | -14.5 | AT | Down | 35.3 | 266.6 | Up | 13:55:15 - 14:02:07 | 3279 |
| Greenville | 13:58:41 | -14.5 | AT | Down | 35.3 | 266.5 | Up | 13:55:15 - 14:02:07 | 3275 |
| Calipatria | 13:58:06 | -8.8 | NT | Down | 31.0 | 274.3 | Up | 13:54:40 - 14:01:32 | 3270 |
| Quincy | 13:58:40 | -14.5 | AT | Down | 35.3 | 266.7 | Up | 13:55:14 - 14:02:06 | 3269 |
| Idyllwild | 13:58:10 | -9.9 | NT | Down | 32.0 | 273.3 | Up | 13:54:44 - 14:01:36 | 3240 |
| Wildwood | 13:58:12 | -11.5 | NT | Down | 33.6 | 272.0 | Up | 13:54:46 - 14:01:38 | 3163 |
Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.
Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.
Star training set for 19CJ3, (2023/01/31 14:00UT) Object RA Dec mag sep mel Regulus 10:08:21.9 +11:58:02 1.3 10.38 75 68Del Leo 11:14:06.7 +20:31:23 2.6 8.58 86 PPM 127658 10:44:14.4 +19:45:32 6.2 1.53 80 PPM 127583 10:38:32.8 +19:36:55 8.2 0.18 79 19CJ3 10:37:48.4 +19:34:02 16.4 78 Positions are for J2000
Event circumstances last updated at 2022/06/07 22:21:01 UT
Marc W. Buie, Southwest Research Institute