Event between 13RQ156 and star GA0920:00042648 with event index number of 2713234
Geocentric closest approach at 2022/09/20 11:05:53 UTC
J2000 position of star is 00:27:48.9 +03:26:55
Equinox of date position of star is 00:28:56.3 +03:34:09
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon.
Moon is 27% illuminated.
TNO apparent brightness V=23.3
[RECON map]
TNO is 44.4 AU from the Sun
and 43.4 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 321 seconds.
The 1-sigma cross-track error in the shadow position is
5356 km.
The sky-plane scale is
31469.4 km/arcsec.
The TNO has an absolute magnitude Hv=6.9
Diameter=252.4 km assuming a 5% albedo -- 10.0 sec chord
Diameter=103.0 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
Star training set for 13RQ156, (2022/09/20 11:06UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.1 -29:30:05 1.2 39.49 139 Algenib 00:14:24.5 +15:18:35 2.8 12.27 105 44 Psc 00:26:34.2 +02:03:55 5.8 1.62 109 PPM 143521 00:28:30.3 +02:56:22 8.0 0.65 108 PPM 143509 00:28:02.4 +03:42:48 9.6 0.27 108 PPM 143518 00:28:26.1 +03:40:21 10.2 0.17 107 13RQ156 00:28:59.0 +03:34:27 16.8 107 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
2.8 sigma about the mid-time.
The median site spacing is 25.5 km
RECON observability=1.0 and success probability=5.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 11:03:04 | -24.4 | Dark | Up | 32.9 | 228.2 | Up | 10:48:04 - 11:18:04 | 8424 |
| Kelowna | 11:03:04 | -24.7 | Dark | Up | 33.3 | 228.2 | Up | 10:48:04 - 11:18:04 | 8392 |
| Peachland | 11:03:04 | -25.0 | Dark | Up | 33.5 | 228.0 | Up | 10:48:04 - 11:18:04 | 8388 |
| Summerland | 11:03:04 | -25.0 | Dark | Up | 33.5 | 228.1 | Up | 10:48:04 - 11:18:04 | 8373 |
| Penticton | 11:03:04 | -25.0 | Dark | Up | 33.5 | 228.3 | Up | 10:48:04 - 11:18:04 | 8364 |
| Victoria | 11:03:12 | -27.6 | Dark | Up | 36.0 | 224.7 | Up | 10:48:12 - 11:18:12 | 8358 |
| Oliver | 11:03:03 | -25.2 | Dark | Up | 33.8 | 228.5 | Up | 10:48:03 - 11:18:03 | 8332 |
| Anarchist Mountain Observatory | 11:03:03 | -25.2 | Dark | Up | 33.8 | 228.8 | Up | 10:48:03 - 11:18:03 | 8312 |
| Tonasket | 11:03:03 | -25.4 | Dark | Up | 34.0 | 228.8 | Up | 10:48:03 - 11:18:03 | 8285 |
| Okanogan | 11:03:03 | -25.7 | Dark | Up | 34.3 | 228.9 | Up | 10:48:03 - 11:18:03 | 8257 |
| Brewster | 11:03:03 | -25.9 | Dark | Up | 34.6 | 228.8 | Up | 10:48:03 - 11:18:03 | 8237 |
| Manson/Chelan | 11:03:04 | -26.2 | Dark | Up | 34.9 | 228.5 | Up | 10:48:04 - 11:18:04 | 8226 |
| Wenatchee | 11:03:04 | -26.6 | Dark | Up | 35.3 | 228.6 | Up | 10:48:04 - 11:18:04 | 8186 |
| Ellensburg | 11:03:05 | -27.0 | Dark | Up | 35.7 | 228.6 | Up | 10:48:05 - 11:18:05 | 8152 |
| Yakima | 11:03:04 | -27.2 | Dark | Up | 36.0 | 228.8 | Up | 10:48:04 - 11:18:04 | 8115 |
| Toppenish/White Swan | 11:03:04 | -27.2 | Dark | Up | 36.0 | 229.1 | Up | 10:48:04 - 11:18:04 | 8090 |
| Pasco | 11:03:01 | -26.6 | Dark | Up | 35.4 | 230.5 | Up | 10:48:01 - 11:18:01 | 8050 |
| Goldendale | 11:03:05 | -27.8 | Dark | Up | 36.6 | 228.9 | Up | 10:48:05 - 11:18:05 | 8049 |
| The Dalles | 11:03:05 | -28.1 | Dark | Up | 36.9 | 228.7 | Up | 10:48:05 - 11:18:05 | 8036 |
| PNWRO | 11:03:00 | -26.6 | Dark | Up | 35.5 | 230.8 | Up | 10:48:00 - 11:18:00 | 8021 |
| Maupin | 11:03:05 | -28.3 | Dark | Up | 37.2 | 229.0 | Up | 10:48:05 - 11:18:05 | 7994 |
| Sisters | 11:03:06 | -29.1 | Dark | Up | 38.0 | 229.0 | Up | 10:48:06 - 11:18:06 | 7923 |
| Redmond | 11:03:05 | -28.9 | Dark | Up | 37.8 | 229.4 | Up | 10:48:05 - 11:18:05 | 7911 |
| Bend | 11:03:05 | -29.1 | Dark | Up | 38.0 | 229.4 | Up | 10:48:05 - 11:18:05 | 7894 |
| Oregon Observatory | 11:03:05 | -29.3 | Dark | Up | 38.2 | 229.4 | Up | 10:48:05 - 11:18:05 | 7881 |
| La Pine/Gilchrist | 11:03:06 | -29.4 | Dark | Up | 38.4 | 229.5 | Up | 10:48:06 - 11:18:06 | 7863 |
| North Lake | 11:03:04 | -29.3 | Dark | Up | 38.3 | 230.3 | Up | 10:48:04 - 11:18:04 | 7806 |
| Chiloquin | 11:03:07 | -30.2 | Dark | Up | 39.3 | 229.8 | Up | 10:48:07 - 11:18:07 | 7765 |
| Paisley | 11:03:03 | -29.4 | Dark | Up | 38.5 | 231.1 | Up | 10:48:03 - 11:18:03 | 7744 |
| Klamath Falls | 11:03:06 | -30.4 | Dark | Up | 39.5 | 230.1 | Up | 10:48:06 - 11:18:06 | 7730 |
| Lakeview | 11:03:02 | -29.5 | Dark | Up | 38.7 | 231.6 | Up | 10:48:02 - 11:18:02 | 7691 |
| Cedarville | 11:03:02 | -29.8 | Dark | Up | 39.0 | 232.2 | Up | 10:48:02 - 11:18:02 | 7622 |
| Fall River/Burney | 11:03:05 | -30.8 | Dark | Up | 40.0 | 231.2 | Up | 10:48:05 - 11:18:05 | 7606 |
| Susanville | 11:03:03 | -30.7 | Dark | Up | 39.9 | 232.4 | Up | 10:48:03 - 11:18:03 | 7525 |
| Greenville | 11:03:04 | -31.0 | Dark | Up | 40.3 | 232.3 | Up | 10:48:04 - 11:18:04 | 7506 |
| Gimple | 11:03:04 | -31.0 | Dark | Up | 40.2 | 232.4 | Up | 10:48:04 - 11:18:04 | 7504 |
| Quincy | 11:03:04 | -31.1 | Dark | Up | 40.4 | 232.4 | Up | 10:48:04 - 11:18:04 | 7486 |
| Portola | 11:03:03 | -30.9 | Dark | Up | 40.2 | 233.0 | Up | 10:48:03 - 11:18:03 | 7461 |
| Reno | 11:03:01 | -30.6 | Dark | Up | 40.0 | 233.8 | Up | 10:48:01 - 11:18:01 | 7418 |
| Carson City | 11:03:01 | -30.8 | Dark | Up | 40.2 | 234.1 | Up | 10:48:01 - 11:18:01 | 7382 |
| Gardnerville | 11:03:01 | -30.9 | Dark | Up | 40.3 | 234.3 | Up | 10:48:01 - 11:18:01 | 7357 |
| Yerington | 11:02:59 | -30.4 | Dark | Up | 39.9 | 234.9 | Up | 10:47:59 - 11:17:59 | 7346 |
| Hawthorne | 11:02:58 | -30.3 | Dark | Up | 39.8 | 235.7 | Up | 10:47:58 - 11:17:58 | 7287 |
| Lee Vining | 11:02:59 | -30.9 | Dark | Up | 40.4 | 235.6 | Up | 10:47:59 - 11:17:59 | 7243 |
| Tonopah | 11:02:55 | -29.6 | Dark | Up | 39.1 | 237.4 | Up | 10:47:55 - 11:17:55 | 7204 |
| Dunrhomin | 11:02:29 | -20.2 | Dark | Up | 29.9 | 246.6 | Low | 10:47:29 - 11:17:29 | 7168 |
| Bishop | 11:02:57 | -30.7 | Dark | Up | 40.3 | 236.7 | Up | 10:47:57 - 11:17:57 | 7164 |
| Beatty | 11:02:53 | -29.8 | Dark | Up | 39.5 | 238.6 | Up | 10:47:53 - 11:17:53 | 7075 |
| CPSLO | 11:03:04 | -33.3 | Dark | Up | 42.9 | 236.1 | Up | 10:48:04 - 11:18:04 | 7016 |
| Indian Springs | 11:02:51 | -29.2 | Dark | Up | 38.9 | 239.9 | Up | 10:47:51 - 11:17:51 | 7015 |
| Henderson | 11:02:49 | -28.9 | Dark | Up | 38.7 | 240.9 | Up | 10:47:49 - 11:17:49 | 6943 |
| Patrick | 11:02:46 | -28.3 | Dark | Up | 38.2 | 242.3 | Up | 10:47:46 - 11:17:46 | 6852 |
| Laughlin/Bullhead City | 11:02:48 | -29.0 | Dark | Up | 38.8 | 241.8 | Up | 10:47:48 - 11:17:48 | 6843 |
| Wildwood | 11:02:59 | -32.4 | Dark | Up | 42.2 | 239.0 | Up | 10:47:59 - 11:17:59 | 6837 |
| Kingman/Dolan Springs | 11:02:46 | -28.6 | Dark | Up | 38.4 | 242.3 | Up | 10:47:46 - 11:17:46 | 6833 |
| Mohave Valley | 11:02:48 | -29.1 | Dark | Up | 38.9 | 242.0 | Up | 10:47:48 - 11:17:48 | 6815 |
| Lake Havasu City | 11:02:47 | -29.1 | Dark | Up | 38.9 | 242.5 | Up | 10:47:47 - 11:17:47 | 6768 |
| Idyllwild | 11:02:53 | -31.2 | Dark | Up | 41.0 | 241.0 | Up | 10:47:53 - 11:17:53 | 6750 |
| Parker | 11:02:47 | -29.2 | Dark | Up | 39.1 | 242.8 | Up | 10:47:47 - 11:17:47 | 6730 |
| Blythe | 11:02:48 | -29.6 | Dark | Up | 39.5 | 242.9 | Up | 10:47:48 - 11:17:48 | 6683 |
| Calipatria | 11:02:51 | -30.5 | Dark | Up | 40.4 | 242.5 | Up | 10:47:51 - 11:17:51 | 6656 |
| George/Scottsdale | 11:02:41 | -27.5 | Dark | Up | 37.5 | 245.2 | Up | 10:47:41 - 11:17:41 | 6627 |
| Yuma | 11:02:49 | -30.0 | Dark | Up | 40.0 | 243.6 | Up | 10:47:49 - 11:17:49 | 6588 |
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 13RQ156, (2022/09/20 11:06UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 39.49 139 Algenib 00:13:14.2 +15:11:01 2.8 12.27 105 44 Psc 00:25:24.2 +01:56:22 5.8 1.62 109 PPM 143521 00:27:20.3 +02:48:50 8.0 0.65 108 PPM 143509 00:26:52.3 +03:35:16 9.6 0.27 108 PPM 143518 00:27:16.1 +03:32:49 10.2 0.17 107 13RQ156 00:27:48.9 +03:26:55 16.8 107 Positions are for J2000
Event circumstances last updated at 2021/11/02 00:51:47 UT
Marc W. Buie, Southwest Research Institute