Event between 17OF69 and star GA0840:19327164 with event index number of 2167528
Geocentric closest approach at 2022/05/15 09:30:53 UTC
J2000 position of star is 20:33:28.1 -04:35:11
Equinox of date position of star is 20:34:38.7 -04:30:31
Stellar brightness G=16.1,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 86 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 43.1 AU from the Sun
and 42.9 AU from the Earth.
The TNO is moving 7.3
km/sec on the sky relative to the star, or,
0.8 arcsec/hr.
The 1-sigma error in the time of the event is 235 seconds.
The 1-sigma cross-track error in the shadow position is
1659 km.
The sky-plane scale is
31096.6 km/arcsec.
The TNO has an absolute magnitude Hv=4.3
Diameter=843.4 km assuming a 5% albedo -- 114.9 sec chord
Diameter=344.3 km assuming a 30% albedo -- 46.9 sec chord
Dynamical classification is 3:2E
Star training set for 17OF69, (2022/05/15 09:31UT) Object RA Dec mag sep mel Fomalhaut 22:58:52.9 -29:30:11 1.2 42.26 109 Tarazed 19:47:19.4 +10:40:09 2.7 19.21 79 69 Aql 20:30:49.1 -02:48:35 4.9 1.95 85 PPM 204224 20:36:50.6 -04:38:36 8.1 0.56 86 PPM 204187 20:35:05.0 -04:09:56 9.4 0.36 86 17OF69 20:34:38.7 -04:30:31 16.1 86 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
3.8 sigma about the mid-time.
The median site spacing is 17.8 km
RECON observability=1.0 and success probability=7.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:43:08 | -10.6 | NT | Up | 25.9 | 140.1 | Low | 09:28:08 - 09:58:08 | 5218 |
| Kamloops | 09:44:08 | -16.6 | AT | Up | 20.3 | 126.0 | Low | 09:29:08 - 09:59:08 | 4490 |
| Kelowna | 09:44:04 | -17.1 | AT | Up | 21.3 | 126.5 | Low | 09:29:04 - 09:59:04 | 4450 |
| Peachland | 09:44:01 | -17.3 | AT | Up | 21.2 | 126.2 | Low | 09:29:01 - 09:59:01 | 4428 |
| Summerland | 09:44:01 | -17.4 | AT | Up | 21.3 | 126.2 | Low | 09:29:01 - 09:59:01 | 4417 |
| Penticton | 09:44:01 | -17.4 | AT | Up | 21.4 | 126.3 | Low | 09:29:01 - 09:59:01 | 4416 |
| Oliver | 09:44:04 | -17.7 | AT | Up | 21.6 | 126.2 | Low | 09:29:04 - 09:59:04 | 4383 |
| Anarchist Mountain Observatory | 09:44:04 | -17.8 | AT | Up | 21.8 | 126.3 | Low | 09:29:04 - 09:59:04 | 4375 |
| Tonasket | 09:44:03 | -18.1 | Dark | Up | 22.0 | 126.2 | Low | 09:29:03 - 09:59:03 | 4344 |
| Okanogan | 09:43:57 | -18.4 | Dark | Up | 22.1 | 125.9 | Low | 09:28:57 - 09:58:57 | 4307 |
| Dunrhomin | 09:42:21 | -19.4 | Dark | Up | 34.9 | 136.0 | Up | 09:27:21 - 09:57:21 | 4296 |
| Brewster | 09:43:57 | -18.7 | Dark | Up | 22.1 | 125.6 | Low | 09:28:57 - 09:58:57 | 4273 |
| CU-SBO | 09:42:22 | -19.7 | Dark | Up | 35.1 | 135.8 | Up | 09:27:22 - 09:57:22 | 4270 |
| Manson/Chelan | 09:44:01 | -19.0 | Dark | Up | 22.1 | 125.2 | Low | 09:29:01 - 09:59:01 | 4239 |
| Wenatchee | 09:44:04 | -19.5 | Dark | Up | 22.2 | 124.9 | Low | 09:29:04 - 09:59:04 | 4188 |
| Victoria | 09:44:15 | -19.4 | Dark | Up | 19.9 | 122.6 | Really Low | 09:29:15 - 09:59:15 | 4172 |
| Ellensburg | 09:44:01 | -19.9 | Dark | Up | 22.4 | 124.6 | Low | 09:29:01 - 09:59:01 | 4140 |
| PNWRO | 09:43:48 | -20.3 | Dark | Up | 23.8 | 125.7 | Low | 09:28:48 - 09:58:48 | 4117 |
| Yakima | 09:44:01 | -20.3 | Dark | Up | 22.6 | 124.4 | Low | 09:29:01 - 09:59:01 | 4102 |
| Toppenish/White Swan | 09:43:54 | -20.5 | Dark | Up | 22.8 | 124.5 | Low | 09:28:54 - 09:58:54 | 4089 |
| Goldendale | 09:43:57 | -21.1 | Dark | Up | 22.8 | 123.9 | Low | 09:28:57 - 09:58:57 | 4019 |
| The Dalles | 09:44:01 | -21.4 | Dark | Up | 22.8 | 123.5 | Low | 09:29:01 - 09:59:01 | 3983 |
| Maupin | 09:44:01 | -21.7 | Dark | Up | 23.1 | 123.5 | Low | 09:29:01 - 09:59:01 | 3948 |
| Sisters | 09:43:54 | -22.7 | Dark | Up | 23.2 | 122.7 | Low | 09:28:54 - 09:58:54 | 3844 |
| Bend | 09:43:52 | -22.8 | Dark | Up | 23.5 | 122.8 | Low | 09:28:52 - 09:58:52 | 3833 |
| Oregon Observatory | 09:43:52 | -23.0 | Dark | Up | 23.5 | 122.7 | Low | 09:28:52 - 09:58:52 | 3811 |
| North Lake | 09:43:49 | -23.4 | Dark | Up | 24.2 | 122.9 | Low | 09:28:49 - 09:58:49 | 3774 |
| Lakeview | 09:43:49 | -24.2 | Dark | Up | 25.1 | 123.0 | Low | 09:28:49 - 09:58:49 | 3699 |
| Chiloquin | 09:43:54 | -24.3 | Dark | Up | 24.0 | 121.8 | Low | 09:28:54 - 09:58:54 | 3668 |
| Cedarville | 09:43:40 | -24.7 | Dark | Up | 25.6 | 122.8 | Low | 09:28:40 - 09:58:40 | 3645 |
| Klamath Falls | 09:43:51 | -24.6 | Dark | Up | 24.2 | 121.8 | Low | 09:28:51 - 09:58:51 | 3639 |
| Fall River/Burney | 09:43:43 | -25.6 | Dark | Up | 25.0 | 121.6 | Low | 09:28:43 - 09:58:43 | 3545 |
| Susanville | 09:43:40 | -25.9 | Dark | Up | 25.8 | 122.0 | Low | 09:28:40 - 09:58:40 | 3519 |
| Gimple | 09:43:42 | -26.2 | Dark | Up | 25.9 | 121.7 | Low | 09:28:42 - 09:58:42 | 3483 |
| Greenville | 09:43:42 | -26.2 | Dark | Up | 25.8 | 121.6 | Low | 09:28:42 - 09:58:42 | 3480 |
| Reno | 09:43:31 | -26.3 | Dark | Up | 26.8 | 122.3 | Low | 09:28:31 - 09:58:31 | 3476 |
| Portola | 09:43:34 | -26.3 | Dark | Up | 26.3 | 121.8 | Low | 09:28:34 - 09:58:34 | 3471 |
| Tonopah | 09:43:13 | -26.7 | Dark | Up | 29.3 | 123.8 | Low | 09:28:13 - 09:58:13 | 3464 |
| Quincy | 09:43:40 | -26.4 | Dark | Up | 25.9 | 121.5 | Low | 09:28:40 - 09:58:40 | 3461 |
| Yerington | 09:43:26 | -26.6 | Dark | Up | 27.5 | 122.6 | Low | 09:28:26 - 09:58:26 | 3455 |
| Carson City | 09:43:30 | -26.7 | Dark | Up | 27.0 | 122.1 | Low | 09:28:30 - 09:58:30 | 3444 |
| Hawthorne | 09:43:22 | -26.8 | Dark | Up | 28.1 | 122.8 | Low | 09:28:22 - 09:58:22 | 3438 |
| Gardnerville | 09:43:28 | -26.9 | Dark | Up | 27.2 | 122.1 | Low | 09:28:28 - 09:58:28 | 3423 |
| Indian Springs | 09:42:59 | -27.3 | Dark | Up | 31.1 | 124.3 | Up | 09:27:59 - 09:57:59 | 3407 |
| Patrick | 09:42:44 | -27.4 | Dark | Up | 32.9 | 125.3 | Up | 09:27:44 - 09:57:44 | 3398 |
| Henderson | 09:42:53 | -27.4 | Dark | Up | 31.8 | 124.6 | Up | 09:27:53 - 09:57:53 | 3396 |
| Beatty | 09:43:06 | -27.5 | Dark | Up | 30.2 | 123.6 | Up | 09:28:06 - 09:58:06 | 3381 |
| Kingman/Dolan Springs | 09:42:44 | -27.7 | Dark | Up | 32.9 | 125.0 | Up | 09:27:44 - 09:57:44 | 3368 |
| Lee Vining | 09:43:22 | -27.5 | Dark | Up | 28.1 | 122.1 | Low | 09:28:22 - 09:58:22 | 3362 |
| George/Scottsdale | 09:42:24 | -27.9 | Dark | Up | 35.2 | 126.0 | Up | 09:27:24 - 09:57:24 | 3360 |
| Bishop | 09:43:16 | -27.7 | Dark | Up | 28.9 | 122.4 | Low | 09:28:16 - 09:58:16 | 3342 |
| Laughlin/Bullhead City | 09:42:47 | -28.0 | Dark | Up | 32.6 | 124.5 | Up | 09:27:47 - 09:57:47 | 3339 |
| Mohave Valley | 09:42:44 | -28.2 | Dark | Up | 32.7 | 124.4 | Up | 09:27:44 - 09:57:44 | 3314 |
| Lake Havasu City | 09:42:40 | -28.4 | Dark | Up | 33.1 | 124.4 | Up | 09:27:40 - 09:57:40 | 3292 |
| Parker | 09:42:37 | -28.7 | Dark | Up | 33.3 | 124.2 | Up | 09:27:37 - 09:57:37 | 3262 |
| Yuma | 09:42:34 | -30.0 | Dark | Up | 33.9 | 123.1 | Up | 09:27:34 - 09:57:34 | 3114 |
| Calipatria | 09:42:40 | -30.1 | Dark | Up | 33.0 | 122.6 | Up | 09:27:40 - 09:57:40 | 3104 |
| Idyllwild | 09:42:50 | -30.1 | Dark | Up | 31.9 | 121.9 | Up | 09:27:50 - 09:57:50 | 3096 |
| Wildwood | 09:43:02 | -30.6 | Dark | Up | 30.4 | 120.6 | Up | 09:28:02 - 09:58:02 | 3031 |
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 17OF69, (2022/05/15 09:31UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 42.26 109 Tarazed 19:46:15.6 +10:36:48 2.7 19.21 79 69 Aql 20:29:39.1 -02:53:08 4.9 1.95 85 PPM 204224 20:35:39.9 -04:43:19 8.1 0.56 86 PPM 204187 20:33:54.5 -04:14:36 9.4 0.36 86 17OF69 20:33:28.1 -04:35:11 16.1 86 Positions are for J2000
Event circumstances last updated at 2022/05/13 23:08:49 UT
Marc W. Buie, Southwest Research Institute