Event between (342842) 08YB3 and star GA1280:06679696 with event index number of 2201776
Geocentric closest approach at 2022/12/15 04:35:57 UTC
J2000 position of star is 19:53:26.0 +38:46:24
Equinox of date position of star is 19:54:12.6 +38:49:52
Stellar brightness G=14.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 114 degrees from the moon.
Moon is 62% illuminated.
TNO apparent brightness V=21.3
[RECON map]
TNO is 14.7 AU from the Sun
and 15.0 AU from the Earth.
The TNO is moving 30.3
km/sec on the sky relative to the star, or,
10.0 arcsec/hr.
The 1-sigma error in the time of the event is 30 seconds.
The 1-sigma cross-track error in the shadow position is
1060 km.
The sky-plane scale is
10884.0 km/arcsec.
The TNO has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 2.7 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 342842, (2022/12/15 04:37UT) Object RA Dec mag sep mel Deneb 20:42:12.9 +45:21:48 1.3 11.02 115 37Gam Cyg 20:23:03.2 +40:19:52 2.2 5.75 117 22 Cyg 19:56:41.0 +38:32:55 4.7 0.55 115 PPM 083755 19:53:50.4 +38:50:10 8.0 0.08 114 342842 19:54:14.9 +38:50:03 14.4 114 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 1.5 km
RECON observability=0.6 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Dunrhomin | 04:36:37 | -56.2 | Dark | Down | 11.9 | 311.3 | Really Low | 04:33:38 - 04:39:35 | 7774 |
| Sleaford | 04:36:05 | -50.4 | Dark | Down | 20.0 | 308.2 | Really Low | 04:33:06 - 04:39:03 | 7643 |
| George/Scottsdale | 04:37:06 | -52.5 | Dark | Down | 11.7 | 309.1 | Really Low | 04:34:08 - 04:40:05 | 7527 |
| Patrick | 04:37:05 | -50.7 | Dark | Down | 14.1 | 307.9 | Really Low | 04:34:06 - 04:40:03 | 7483 |
| Kingman/Dolan Springs | 04:37:06 | -50.5 | Dark | Down | 14.0 | 307.8 | Really Low | 04:34:07 - 04:40:04 | 7473 |
| Laughlin/Bullhead City | 04:37:06 | -50.1 | Dark | Down | 14.4 | 307.6 | Really Low | 04:34:08 - 04:40:05 | 7453 |
| Lake Havasu City | 04:37:08 | -50.4 | Dark | Down | 13.8 | 307.9 | Really Low | 04:34:10 - 04:40:07 | 7453 |
| Henderson | 04:37:04 | -49.7 | Dark | Down | 15.2 | 307.2 | Really Low | 04:34:06 - 04:40:03 | 7451 |
| Mohave Valley | 04:37:07 | -50.2 | Dark | Down | 14.2 | 307.7 | Really Low | 04:34:09 - 04:40:06 | 7450 |
| Parker | 04:37:09 | -50.5 | Dark | Down | 13.5 | 307.9 | Really Low | 04:34:11 - 04:40:08 | 7448 |
| Indian Springs | 04:37:04 | -49.1 | Dark | Down | 15.9 | 306.8 | Really Low | 04:34:06 - 04:40:03 | 7432 |
| Blythe | 04:37:11 | -50.2 | Dark | Down | 13.4 | 307.9 | Really Low | 04:34:12 - 04:40:09 | 7429 |
| Yuma | 04:37:13 | -50.3 | Dark | Down | 12.9 | 308.1 | Really Low | 04:34:15 - 04:40:12 | 7411 |
| Beatty | 04:37:05 | -48.2 | Dark | Down | 16.8 | 306.2 | Really Low | 04:34:06 - 04:40:03 | 7396 |
| Tonopah | 04:37:01 | -47.7 | Dark | Down | 17.8 | 305.7 | Really Low | 04:34:03 - 04:40:00 | 7393 |
| Calipatria | 04:37:14 | -49.5 | Dark | Down | 13.7 | 307.6 | Really Low | 04:34:15 - 04:40:12 | 7386 |
| PNWRO | 04:36:40 | -45.0 | Dark | Down | 23.4 | 302.3 | Low | 04:33:41 - 04:39:38 | 7360 |
| Idyllwild | 04:37:14 | -48.5 | Dark | Down | 14.9 | 307.0 | Really Low | 04:34:15 - 04:40:12 | 7352 |
| Pasco | 04:36:39 | -44.8 | Dark | Down | 23.6 | 302.1 | Low | 04:33:40 - 04:39:37 | 7351 |
| Hawthorne | 04:37:02 | -46.6 | Dark | Down | 19.0 | 304.9 | Really Low | 04:34:04 - 04:40:01 | 7343 |
| Bishop | 04:37:05 | -46.9 | Dark | Down | 18.2 | 305.4 | Really Low | 04:34:07 - 04:40:04 | 7340 |
| Anarchist Mountain Observatory | 04:36:30 | -43.9 | Dark | Down | 25.2 | 300.9 | Low | 04:33:31 - 04:39:28 | 7330 |
| Tonasket | 04:36:31 | -44.0 | Dark | Down | 25.1 | 301.0 | Low | 04:33:32 - 04:39:29 | 7329 |
| Yerington | 04:37:01 | -46.1 | Dark | Down | 19.6 | 304.5 | Really Low | 04:34:02 - 04:39:59 | 7327 |
| Okanogan | 04:36:32 | -44.0 | Dark | Down | 25.0 | 301.0 | Low | 04:33:33 - 04:39:30 | 7326 |
| Oliver | 04:36:29 | -43.8 | Dark | Down | 25.4 | 300.7 | Low | 04:33:30 - 04:39:27 | 7321 |
| Brewster | 04:36:34 | -43.9 | Dark | Down | 25.0 | 301.0 | Low | 04:33:35 - 04:39:32 | 7321 |
| Lee Vining | 04:37:05 | -46.2 | Dark | Down | 19.0 | 304.9 | Really Low | 04:34:07 - 04:40:04 | 7319 |
| Kelowna | 04:36:27 | -43.6 | Dark | Down | 25.7 | 300.5 | Low | 04:33:29 - 04:39:26 | 7319 |
| Penticton | 04:36:29 | -43.7 | Dark | Down | 25.6 | 300.6 | Low | 04:33:30 - 04:39:27 | 7318 |
| Summerland | 04:36:28 | -43.6 | Dark | Down | 25.7 | 300.5 | Low | 04:33:30 - 04:39:27 | 7314 |
| Peachland | 04:36:27 | -43.5 | Dark | Down | 25.8 | 300.3 | Low | 04:33:29 - 04:39:26 | 7310 |
| Manson/Chelan | 04:36:34 | -43.7 | Dark | Down | 25.1 | 300.9 | Low | 04:33:36 - 04:39:33 | 7309 |
| Cedarville | 04:36:55 | -45.0 | Dark | Down | 21.7 | 303.3 | Low | 04:33:57 - 04:39:54 | 7308 |
| Reno | 04:37:01 | -45.5 | Dark | Down | 20.3 | 304.1 | Low | 04:34:02 - 04:39:59 | 7307 |
| Toppenish/White Swan | 04:36:40 | -43.9 | Dark | Down | 24.4 | 301.4 | Low | 04:33:41 - 04:39:38 | 7307 |
| Wenatchee | 04:36:36 | -43.7 | Dark | Down | 24.9 | 301.0 | Low | 04:33:38 - 04:39:35 | 7306 |
| Carson City | 04:37:01 | -45.6 | Dark | Down | 20.1 | 304.2 | Low | 04:34:03 - 04:40:00 | 7305 |
| Lakeview | 04:36:53 | -44.8 | Dark | Down | 22.1 | 302.9 | Low | 04:33:55 - 04:39:52 | 7305 |
| Gardnerville | 04:37:02 | -45.6 | Dark | Down | 19.9 | 304.3 | Really Low | 04:34:04 - 04:40:01 | 7304 |
| Yakima | 04:36:39 | -43.8 | Dark | Down | 24.6 | 301.2 | Low | 04:33:40 - 04:39:37 | 7300 |
| Ellensburg | 04:36:38 | -43.7 | Dark | Down | 24.8 | 301.0 | Low | 04:33:39 - 04:39:36 | 7300 |
| Paisley | 04:36:51 | -44.5 | Dark | Down | 22.5 | 302.7 | Low | 04:33:53 - 04:39:50 | 7299 |
| Goldendale | 04:36:42 | -43.8 | Dark | Down | 24.4 | 301.3 | Low | 04:33:43 - 04:39:40 | 7293 |
| North Lake | 04:36:50 | -44.2 | Dark | Down | 23.1 | 302.3 | Low | 04:33:51 - 04:39:48 | 7288 |
| Portola | 04:37:00 | -45.0 | Dark | Down | 20.9 | 303.7 | Low | 04:34:01 - 04:39:58 | 7284 |
| Maupin | 04:36:44 | -43.7 | Dark | Down | 24.2 | 301.4 | Low | 04:33:45 - 04:39:42 | 7283 |
| Wildwood | 04:37:15 | -46.9 | Dark | Down | 16.4 | 306.1 | Really Low | 04:34:16 - 04:40:13 | 7283 |
| Kamloops | 04:36:25 | -42.8 | Dark | Down | 26.6 | 299.6 | Low | 04:33:27 - 04:39:24 | 7282 |
| Susanville | 04:36:59 | -44.8 | Dark | Down | 21.3 | 303.4 | Low | 04:34:01 - 04:39:58 | 7281 |
| Redmond | 04:36:47 | -43.8 | Dark | Down | 23.8 | 301.7 | Low | 04:33:48 - 04:39:45 | 7280 |
| The Dalles | 04:36:42 | -43.5 | Dark | Down | 24.5 | 301.2 | Low | 04:33:44 - 04:39:41 | 7279 |
| Bend | 04:36:47 | -43.7 | Dark | Down | 23.8 | 301.8 | Low | 04:33:49 - 04:39:46 | 7274 |
| Gimple | 04:37:00 | -44.7 | Dark | Down | 21.3 | 303.4 | Low | 04:34:01 - 04:39:58 | 7271 |
| Oregon Observatory | 04:36:49 | -43.7 | Dark | Down | 23.7 | 301.8 | Low | 04:33:51 - 04:39:48 | 7269 |
| Greenville | 04:37:00 | -44.6 | Dark | Down | 21.4 | 303.3 | Low | 04:34:01 - 04:39:58 | 7267 |
| La Pine/Gilchrist | 04:36:49 | -43.7 | Dark | Down | 23.7 | 301.8 | Low | 04:33:51 - 04:39:48 | 7266 |
| Quincy | 04:37:00 | -44.6 | Dark | Down | 21.3 | 303.4 | Low | 04:34:02 - 04:39:59 | 7266 |
| Sisters | 04:36:47 | -43.5 | Dark | Down | 24.0 | 301.5 | Low | 04:33:49 - 04:39:46 | 7265 |
| Fall River/Burney | 04:36:57 | -44.1 | Dark | Down | 22.2 | 302.8 | Low | 04:33:59 - 04:39:56 | 7257 |
| Klamath Falls | 04:36:54 | -43.7 | Dark | Down | 23.0 | 302.2 | Low | 04:33:56 - 04:39:53 | 7249 |
| Chiloquin | 04:36:53 | -43.6 | Dark | Down | 23.3 | 302.0 | Low | 04:33:54 - 04:39:51 | 7248 |
| CPSLO | 04:37:14 | -45.2 | Dark | Down | 18.4 | 304.9 | Really Low | 04:34:16 - 04:40:13 | 7218 |
| Victoria | 04:36:36 | -41.5 | Dark | Down | 27.3 | 298.7 | Low | 04:33:37 - 04:39:34 | 7191 |
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 342842, (2022/12/15 04:37UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 11.02 115 37Gam Cyg 20:22:13.7 +40:15:24 2.2 5.75 117 22 Cyg 19:55:51.8 +38:29:12 4.7 0.55 115 PPM 083755 19:53:01.5 +38:46:31 8.0 0.08 114 342842 19:53:26.0 +38:46:24 14.4 114 Positions are for J2000
Event circumstances last updated at 2021/11/15 00:52:05 UT
Marc W. Buie, Southwest Research Institute