Event between (517717) 15KZ120 and star GA1620:00814292 with event index number of 2627259
Geocentric closest approach at 2022/07/10 06:47:09 UTC
J2000 position of star is 02:54:03.8 +73:03:50
Equinox of date position of star is 02:56:21.1 +73:09:15
Stellar brightness G=12.8,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 127 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 10.5 AU from the Sun
and 11.0 AU from the Earth.
The TNO is moving 23.5
km/sec on the sky relative to the star, or,
10.6 arcsec/hr.
The 1-sigma error in the time of the event is 48 seconds.
The 1-sigma cross-track error in the shadow position is
1143 km.
The sky-plane scale is
7963.5 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 2.4 sec chord
Diameter=23.5 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2022/07/10 06:47UT) Object RA Dec mag sep mel Deneb 20:42:12.0 +45:21:42 1.3 48.05 94 37Del Cas 01:27:18.5 +60:21:05 2.7 15.32 133 PPM 005046 02:40:13.6 +72:54:53 5.2 1.20 127 PPM 005112 02:55:13.3 +73:22:05 8.0 0.23 127 PPM 005116 02:56:36.7 +73:06:35 8.7 0.05 127 517717 02:56:21.7 +73:09:16 12.8 127 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 11.1 km
RECON observability=1.0 and success probability=0.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Wildwood | 06:46:55 | -31.1 | Dark | Up | 22.0 | 13.5 | Low | 06:42:23 - 06:51:27 | 5180 |
| Calipatria | 06:46:43 | -32.8 | Dark | Up | 21.6 | 14.1 | Low | 06:42:11 - 06:51:15 | 5169 |
| Yuma | 06:46:39 | -33.4 | Dark | Up | 21.4 | 14.2 | Low | 06:42:07 - 06:51:11 | 5168 |
| Idyllwild | 06:46:48 | -31.9 | Dark | Up | 22.0 | 13.9 | Low | 06:42:16 - 06:51:20 | 5168 |
| Parker | 06:46:40 | -32.1 | Dark | Up | 22.9 | 14.4 | Low | 06:42:08 - 06:51:12 | 5108 |
| Lake Havasu City | 06:46:40 | -31.7 | Dark | Up | 23.2 | 14.5 | Low | 06:42:08 - 06:51:12 | 5095 |
| Mohave Valley | 06:46:42 | -31.3 | Dark | Up | 23.5 | 14.5 | Low | 06:42:10 - 06:51:14 | 5084 |
| Laughlin/Bullhead City | 06:46:42 | -31.0 | Dark | Up | 23.8 | 14.5 | Low | 06:42:10 - 06:51:14 | 5073 |
| George/Scottsdale | 06:46:30 | -33.0 | Dark | Up | 23.0 | 14.9 | Low | 06:41:58 - 06:51:02 | 5073 |
| Kingman/Dolan Springs | 06:46:40 | -31.1 | Dark | Up | 23.9 | 14.6 | Low | 06:42:08 - 06:51:12 | 5063 |
| Patrick | 06:46:40 | -31.0 | Dark | Up | 24.2 | 14.7 | Low | 06:42:08 - 06:51:12 | 5051 |
| Henderson | 06:46:45 | -30.1 | Dark | Up | 24.6 | 14.5 | Low | 06:42:13 - 06:51:17 | 5046 |
| Bishop | 06:46:59 | -28.0 | Dark | Up | 25.2 | 13.8 | Low | 06:42:27 - 06:51:31 | 5041 |
| Beatty | 06:46:52 | -28.9 | Dark | Up | 25.1 | 14.2 | Low | 06:42:20 - 06:51:24 | 5039 |
| Indian Springs | 06:46:48 | -29.4 | Dark | Up | 24.9 | 14.4 | Low | 06:42:16 - 06:51:20 | 5035 |
| Lee Vining | 06:47:01 | -27.3 | Dark | Up | 25.6 | 13.7 | Low | 06:42:29 - 06:51:33 | 5024 |
| Tonopah | 06:46:54 | -27.7 | Dark | Up | 26.1 | 14.2 | Low | 06:42:22 - 06:51:26 | 4995 |
| Hawthorne | 06:47:00 | -26.9 | Dark | Up | 26.3 | 13.9 | Low | 06:42:28 - 06:51:32 | 4991 |
| Gardnerville | 06:47:04 | -26.2 | Dark | Up | 26.5 | 13.7 | Low | 06:42:32 - 06:51:36 | 4985 |
| Yerington | 06:47:03 | -26.3 | Dark | Up | 26.6 | 13.8 | Low | 06:42:31 - 06:51:35 | 4976 |
| Carson City | 06:47:05 | -26.0 | Dark | Up | 26.7 | 13.7 | Low | 06:42:33 - 06:51:37 | 4973 |
| Reno | 06:47:06 | -25.6 | Dark | Up | 27.1 | 13.8 | Low | 06:42:34 - 06:51:38 | 4956 |
| Portola | 06:47:08 | -25.2 | Dark | Up | 27.2 | 13.6 | Low | 06:42:36 - 06:51:40 | 4950 |
| Quincy | 06:47:09 | -25.0 | Dark | Up | 27.2 | 13.5 | Low | 06:42:37 - 06:51:41 | 4947 |
| Greenville | 06:47:10 | -24.8 | Dark | Up | 27.4 | 13.5 | Low | 06:42:38 - 06:51:42 | 4937 |
| Gimple | 06:47:09 | -24.8 | Dark | Up | 27.4 | 13.6 | Low | 06:42:37 - 06:51:41 | 4937 |
| Susanville | 06:47:09 | -24.6 | Dark | Up | 27.7 | 13.6 | Low | 06:42:37 - 06:51:41 | 4921 |
| Fall River/Burney | 06:47:13 | -23.8 | Dark | Up | 28.2 | 13.5 | Low | 06:42:41 - 06:51:45 | 4895 |
| Cedarville | 06:47:08 | -23.7 | Dark | Up | 28.9 | 13.9 | Low | 06:42:36 - 06:51:40 | 4860 |
| Klamath Falls | 06:47:15 | -22.6 | Dark | Up | 29.3 | 13.6 | Low | 06:42:43 - 06:51:47 | 4836 |
| Lakeview | 06:47:10 | -23.0 | Dark | Up | 29.5 | 14.0 | Low | 06:42:38 - 06:51:42 | 4827 |
| Chiloquin | 06:47:16 | -22.3 | Dark | Up | 29.6 | 13.6 | Low | 06:42:44 - 06:51:48 | 4819 |
| North Lake | 06:47:13 | -21.9 | Dark | Up | 30.5 | 14.0 | Up | 06:42:41 - 06:51:45 | 4774 |
| Oregon Observatory | 06:47:16 | -21.1 | Dark | Up | 31.0 | 13.9 | Up | 06:42:44 - 06:51:48 | 4743 |
| Bend | 06:47:15 | -21.0 | Dark | Up | 31.2 | 14.0 | Up | 06:42:43 - 06:51:47 | 4732 |
| Sisters | 06:47:17 | -20.7 | Dark | Up | 31.4 | 13.9 | Up | 06:42:45 - 06:51:49 | 4720 |
| Maupin | 06:47:16 | -20.0 | Dark | Up | 32.3 | 14.2 | Up | 06:42:44 - 06:51:48 | 4665 |
| The Dalles | 06:47:17 | -19.6 | Dark | Up | 32.7 | 14.2 | Up | 06:42:45 - 06:51:49 | 4641 |
| CU-SBO | 06:46:18 | -27.6 | Dark | Up | 30.4 | 17.2 | Up | 06:41:46 - 06:50:50 | 4638 |
| Goldendale | 06:47:16 | -19.5 | Dark | Up | 33.0 | 14.4 | Up | 06:42:44 - 06:51:48 | 4625 |
| Dunrhomin | 06:46:18 | -27.4 | Dark | Up | 30.7 | 17.3 | Up | 06:41:46 - 06:50:50 | 4623 |
| PNWRO | 06:47:09 | -19.7 | Dark | Up | 33.5 | 14.9 | Up | 06:42:37 - 06:51:41 | 4596 |
| Toppenish/White Swan | 06:47:15 | -19.1 | Dark | Up | 33.6 | 14.6 | Up | 06:42:43 - 06:51:47 | 4589 |
| Yakima | 06:47:16 | -18.8 | Dark | Up | 33.8 | 14.6 | Up | 06:42:44 - 06:51:48 | 4577 |
| Ellensburg | 06:47:15 | -18.4 | Dark | Up | 34.2 | 14.7 | Up | 06:42:43 - 06:51:47 | 4552 |
| Wenatchee | 06:47:16 | -18.1 | Dark | Up | 34.6 | 14.8 | Up | 06:42:44 - 06:51:48 | 4525 |
| Manson/Chelan | 06:47:16 | -17.7 | AT | Up | 35.1 | 14.9 | Up | 06:42:44 - 06:51:48 | 4494 |
| Brewster | 06:47:15 | -17.6 | AT | Up | 35.3 | 15.1 | Up | 06:42:43 - 06:51:47 | 4477 |
| Victoria | 06:47:26 | -16.3 | AT | Up | 35.2 | 14.1 | Up | 06:42:54 - 06:51:58 | 4475 |
| Okanogan | 06:47:15 | -17.4 | AT | Up | 35.6 | 15.2 | Up | 06:42:43 - 06:51:47 | 4458 |
| Tonasket | 06:47:14 | -17.1 | AT | Up | 36.0 | 15.3 | Up | 06:42:42 - 06:51:46 | 4436 |
| Anarchist Mountain Observatory | 06:47:15 | -16.8 | AT | Up | 36.3 | 15.4 | Up | 06:42:43 - 06:51:47 | 4416 |
| Oliver | 06:47:16 | -16.6 | AT | Up | 36.4 | 15.3 | Up | 06:42:44 - 06:51:48 | 4406 |
| Penticton | 06:47:16 | -16.3 | AT | Up | 36.8 | 15.4 | Up | 06:42:44 - 06:51:48 | 4383 |
| Summerland | 06:47:16 | -16.2 | AT | Up | 36.8 | 15.4 | Up | 06:42:44 - 06:51:48 | 4380 |
| Peachland | 06:47:16 | -16.0 | AT | Up | 36.9 | 15.4 | Up | 06:42:44 - 06:51:48 | 4371 |
| Kelowna | 06:47:15 | -16.0 | AT | Up | 37.1 | 15.5 | Up | 06:42:43 - 06:51:47 | 4361 |
| Kamloops | 06:47:19 | -15.0 | AT | Up | 37.7 | 15.4 | Up | 06:42:47 - 06:51:51 | 4315 |
| Sleaford | 06:46:43 | -15.5 | AT | Up | 41.8 | 19.9 | Up | 06:42:11 - 06:51:15 | 3991 |
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 517717, (2022/07/10 06:47UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 48.05 94 37Del Cas 01:25:49.8 +60:14:06 2.7 15.32 133 PPM 005046 02:38:01.9 +72:49:06 5.2 1.20 127 PPM 005112 02:52:54.9 +73:16:38 8.0 0.23 127 PPM 005116 02:54:19.0 +73:01:10 8.7 0.05 127 517717 02:54:03.8 +73:03:50 12.8 127 Positions are for J2000
Event circumstances last updated at 2022/06/06 23:51:01 UT
Marc W. Buie, Southwest Research Institute