Event between 13RC109 and star GA1100:00264835 with event index number of 2070561
Geocentric closest approach at 2023/07/18 10:06:14 UTC
J2000 position of star is 02:25:47.3 +20:30:49
Equinox of date position of star is 02:27:00.8 +20:36:39
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 82 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=23.3
[RECON map]
TNO is 30.8 AU from the Sun
and 31.0 AU from the Earth.
The TNO is moving 13.8
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 246 seconds.
The 1-sigma cross-track error in the shadow position is
3063 km.
The sky-plane scale is
22513.3 km/arcsec.
The TNO has an absolute magnitude Hv=8.2
Diameter=115.9 km assuming a 5% albedo -- 10.1 sec chord
Diameter=47.3 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
Star training set for 13RC109, (2023/07/18 10:07UT) Object RA Dec mag sep mel Aldebaran 04:37:16.5 +16:33:17 0.8 31.06 54 Hamal 02:08:30.3 +23:34:22 2.0 5.22 84 26 Ari 02:31:57.9 +19:57:31 6.1 1.32 81 PPM 091666 02:27:06.6 +20:23:06 8.1 0.23 82 13RC109 02:27:06.8 +20:37:08 15.3 81 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
3.7 sigma about the mid-time.
The median site spacing is 4.1 km
RECON observability=0.9 and success probability=4.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 10:06:38 | -16.5 | AT | Down | 26.9 | 88.8 | Low | 09:51:38 - 10:21:38 | 4504 |
| Chiloquin | 10:05:51 | -21.3 | Dark | Down | 27.6 | 86.7 | Low | 09:50:51 - 10:20:51 | 4469 |
| Klamath Falls | 10:05:48 | -21.6 | Dark | Down | 27.6 | 86.6 | Low | 09:50:48 - 10:20:48 | 4465 |
| Sisters | 10:06:05 | -19.7 | Dark | Down | 27.9 | 87.9 | Low | 09:51:05 - 10:21:05 | 4460 |
| La Pine/Gilchrist | 10:06:01 | -20.2 | Dark | Down | 27.9 | 87.6 | Low | 09:51:01 - 10:21:01 | 4457 |
| Oregon Observatory | 10:06:02 | -20.0 | Dark | Down | 28.0 | 87.7 | Low | 09:51:02 - 10:21:02 | 4455 |
| Bend | 10:06:03 | -19.8 | Dark | Down | 28.1 | 87.9 | Low | 09:51:03 - 10:21:03 | 4450 |
| Fall River/Burney | 10:05:39 | -22.5 | Dark | Down | 27.8 | 86.2 | Low | 09:50:39 - 10:20:39 | 4445 |
| Redmond | 10:06:04 | -19.6 | Dark | Down | 28.2 | 88.1 | Low | 09:51:04 - 10:21:04 | 4445 |
| The Dalles | 10:06:15 | -18.4 | Dark | Down | 28.3 | 88.9 | Low | 09:51:15 - 10:21:15 | 4443 |
| Maupin | 10:06:12 | -18.8 | Dark | Down | 28.3 | 88.7 | Low | 09:51:12 - 10:21:12 | 4440 |
| North Lake | 10:05:56 | -20.4 | Dark | Down | 28.3 | 87.7 | Low | 09:50:56 - 10:20:56 | 4434 |
| Goldendale | 10:06:16 | -18.1 | Dark | Down | 28.5 | 89.2 | Low | 09:51:16 - 10:21:16 | 4429 |
| Greenville | 10:05:32 | -23.2 | Dark | Down | 28.0 | 86.0 | Low | 09:50:32 - 10:20:32 | 4422 |
| Quincy | 10:05:30 | -23.4 | Dark | Down | 28.0 | 85.9 | Low | 09:50:30 - 10:20:30 | 4421 |
| Gimple | 10:05:32 | -23.1 | Dark | Down | 28.1 | 86.0 | Low | 09:50:32 - 10:20:32 | 4419 |
| Paisley | 10:05:52 | -20.8 | Dark | Down | 28.6 | 87.7 | Low | 09:50:52 - 10:20:52 | 4419 |
| Yakima | 10:06:23 | -17.3 | AT | Down | 28.7 | 89.9 | Low | 09:51:23 - 10:21:23 | 4417 |
| Ellensburg | 10:06:26 | -17.0 | AT | Down | 28.7 | 90.1 | Low | 09:51:26 - 10:21:26 | 4415 |
| Susanville | 10:05:34 | -22.8 | Dark | Down | 28.3 | 86.3 | Low | 09:50:34 - 10:20:34 | 4412 |
| Toppenish/White Swan | 10:06:21 | -17.5 | AT | Down | 28.8 | 89.9 | Low | 09:51:21 - 10:21:21 | 4412 |
| Lakeview | 10:05:48 | -21.1 | Dark | Down | 28.7 | 87.5 | Low | 09:50:48 - 10:20:48 | 4410 |
| Wenatchee | 10:06:30 | -16.5 | AT | Down | 28.9 | 90.5 | Low | 09:51:30 - 10:21:30 | 4405 |
| Portola | 10:05:29 | -23.3 | Dark | Down | 28.4 | 86.1 | Low | 09:50:29 - 10:20:29 | 4401 |
| Cedarville | 10:05:42 | -21.7 | Dark | Down | 28.7 | 87.2 | Low | 09:50:42 - 10:20:42 | 4400 |
| Manson/Chelan | 10:06:33 | -16.0 | AT | Down | 29.0 | 90.9 | Low | 09:51:33 - 10:21:33 | 4396 |
| Brewster | 10:06:35 | -15.7 | AT | Down | 29.3 | 91.3 | Low | 09:51:35 - 10:21:35 | 4382 |
| Okanogan | 10:06:37 | -15.4 | AT | Down | 29.4 | 91.6 | Low | 09:51:37 - 10:21:37 | 4373 |
| Reno | 10:05:27 | -23.3 | Dark | Down | 28.9 | 86.3 | Low | 09:50:27 - 10:20:27 | 4372 |
| Peachland | 10:06:48 | -14.3 | AT | Down | 29.3 | 92.3 | Low | 09:51:48 - 10:21:48 | 4370 |
| Carson City | 10:05:24 | -23.6 | Dark | Down | 28.8 | 86.1 | Low | 09:50:24 - 10:20:24 | 4368 |
| Summerland | 10:06:47 | -14.4 | AT | Down | 29.3 | 92.3 | Low | 09:51:47 - 10:21:47 | 4367 |
| Oliver | 10:06:44 | -14.7 | AT | Down | 29.4 | 92.1 | Low | 09:51:44 - 10:21:44 | 4367 |
| Tonasket | 10:06:40 | -15.1 | AT | Down | 29.5 | 91.9 | Low | 09:51:40 - 10:21:40 | 4365 |
| Pasco | 10:06:20 | -17.1 | AT | Down | 29.7 | 90.7 | Low | 09:51:20 - 10:21:20 | 4364 |
| Penticton | 10:06:46 | -14.4 | AT | Down | 29.4 | 92.3 | Low | 09:51:46 - 10:21:46 | 4364 |
| Gardnerville | 10:05:21 | -23.8 | Dark | Down | 28.9 | 86.0 | Low | 09:50:21 - 10:20:21 | 4364 |
| Anarchist Mountain Observatory | 10:06:42 | -14.8 | AT | Down | 29.5 | 92.2 | Low | 09:51:42 - 10:21:42 | 4361 |
| Kelowna | 10:06:49 | -14.1 | AT | Down | 29.5 | 92.6 | Low | 09:51:49 - 10:21:49 | 4358 |
| CPSLO | 10:04:54 | -27.3 | Dark | Down | 27.7 | 83.5 | Low | 09:49:54 - 10:19:54 | 4357 |
| PNWRO | 10:06:19 | -17.3 | AT | Down | 29.9 | 90.7 | Low | 09:51:19 - 10:21:19 | 4356 |
| Clarence Fulton | 10:06:52 | -13.7 | AT | Down | 29.5 | 93.0 | Low | 09:51:52 - 10:21:52 | 4349 |
| Yerington | 10:05:22 | -23.5 | Dark | Down | 29.3 | 86.4 | Low | 09:50:22 - 10:20:22 | 4339 |
| Lee Vining | 10:05:14 | -24.4 | Dark | Down | 29.3 | 85.8 | Low | 09:50:14 - 10:20:14 | 4327 |
| Hawthorne | 10:05:19 | -23.7 | Dark | Down | 29.7 | 86.5 | Low | 09:50:19 - 10:20:19 | 4312 |
| Bishop | 10:05:10 | -24.6 | Dark | Down | 29.8 | 85.9 | Low | 09:50:10 - 10:20:10 | 4287 |
| Wildwood | 10:04:44 | -27.5 | Dark | Down | 29.2 | 83.9 | Low | 09:49:44 - 10:19:44 | 4246 |
| Tonopah | 10:05:15 | -23.5 | Dark | Down | 30.8 | 87.0 | Up | 09:50:15 - 10:20:15 | 4244 |
| Beatty | 10:05:06 | -24.3 | Dark | Down | 31.0 | 86.6 | Up | 09:50:06 - 10:20:06 | 4207 |
| Indian Springs | 10:05:03 | -24.0 | Dark | Down | 31.9 | 87.0 | Up | 09:50:03 - 10:20:03 | 4152 |
| Idyllwild | 10:04:41 | -26.9 | Dark | Down | 30.7 | 84.7 | Up | 09:49:41 - 10:19:41 | 4152 |
| Henderson | 10:05:00 | -24.2 | Dark | Down | 32.4 | 87.0 | Up | 09:50:00 - 10:20:00 | 4110 |
| Calipatria | 10:04:36 | -26.8 | Dark | Down | 31.7 | 84.9 | Up | 09:49:36 - 10:19:36 | 4080 |
| Laughlin/Bullhead City | 10:04:53 | -24.7 | Dark | Down | 32.6 | 86.7 | Up | 09:49:53 - 10:19:53 | 4074 |
| Mohave Valley | 10:04:50 | -24.9 | Dark | Down | 32.6 | 86.5 | Up | 09:49:50 - 10:19:50 | 4069 |
| Kingman/Dolan Springs | 10:04:53 | -24.4 | Dark | Down | 33.1 | 87.0 | Up | 09:49:53 - 10:19:53 | 4050 |
| Lake Havasu City | 10:04:48 | -25.1 | Dark | Down | 32.8 | 86.4 | Up | 09:49:48 - 10:19:48 | 4049 |
| Patrick | 10:04:55 | -24.1 | Dark | Down | 33.2 | 87.2 | Up | 09:49:55 - 10:19:55 | 4045 |
| Blythe | 10:04:41 | -26.0 | Dark | Down | 32.5 | 85.7 | Up | 09:49:41 - 10:19:41 | 4044 |
| Parker | 10:04:45 | -25.4 | Dark | Down | 32.8 | 86.2 | Up | 09:49:45 - 10:19:45 | 4040 |
| Yuma | 10:04:34 | -26.7 | Dark | Down | 32.4 | 85.0 | Up | 09:49:34 - 10:19:34 | 4026 |
| George/Scottsdale | 10:04:43 | -24.5 | Dark | Down | 34.8 | 87.2 | Up | 09:49:43 - 10:19:43 | 3907 |
| Dunrhomin | 10:05:40 | -15.9 | AT | Down | 40.1 | 96.5 | Up | 09:50:40 - 10:20:40 | 3682 |
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 13RC109, (2023/07/18 10:07UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 31.06 54 Hamal 02:07:10.7 +23:27:41 2.0 5.22 84 26 Ari 02:30:38.5 +19:51:18 6.1 1.32 81 PPM 091666 02:25:47.3 +20:16:47 8.1 0.23 82 13RC109 02:25:47.3 +20:30:49 15.3 81 Positions are for J2000
Event circumstances last updated at 2021/10/08 01:04:55 UT
Marc W. Buie, Southwest Research Institute