Event between (517717) 15KZ120 and star GA1620:00836619 with event index number of 2627265
Geocentric closest approach at 2022/07/20 03:58:36 UTC
J2000 position of star is 03:00:59.5 +73:30:14
Equinox of date position of star is 03:03:21.0 +73:35:29
Stellar brightness G=14.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 69 degrees from the moon.
Moon is 55% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 10.6 AU from the Sun
and 10.9 AU from the Earth.
The TNO is moving 21.1
km/sec on the sky relative to the star, or,
9.6 arcsec/hr.
The 1-sigma error in the time of the event is 54 seconds.
The 1-sigma cross-track error in the shadow position is
1142 km.
The sky-plane scale is
7938.7 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 2.7 sec chord
Diameter=23.5 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2022/07/20 03:59UT) Object RA Dec mag sep mel Deneb 20:42:12.1 +45:21:43 1.3 48.37 72 PPM 000431 03:00:46.1 +89:21:29 2.0 15.77 83 PPM 005209 03:14:26.2 +74:28:36 4.9 1.17 70 PPM 005122 02:57:48.1 +73:27:40 7.5 0.42 68 PPM 005151 03:04:25.7 +73:51:42 8.9 0.28 69 PPM 005168 03:06:29.2 +73:30:58 10.1 0.23 68 517717 03:03:21.7 +73:35:31 14.9 69 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 0.0 km
RECON observability=0.0 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) |
| George/Scottsdale | 04:00:46 | -15.6 | AT | Down | 18.2 | 6.2 | Really Low | 03:55:45 - 04:05:48 | 5097 |
| CU-SBO | 04:00:19 | -15.3 | AT | Down | 25.1 | 8.3 | Low | 03:55:18 - 04:05:21 | 5048 |
| Dunrhomin | 04:00:20 | -15.2 | AT | Down | 25.3 | 8.4 | Low | 03:55:18 - 04:05:21 | 5038 |
| Yuma | 04:00:56 | -14.5 | AT | Down | 16.9 | 5.3 | Really Low | 03:55:55 - 04:05:58 | 5017 |
| Parker | 04:00:54 | -13.8 | AT | Down | 18.4 | 5.5 | Really Low | 03:55:53 - 04:05:56 | 4982 |
| Lake Havasu City | 04:00:54 | -13.6 | AT | Down | 18.7 | 5.5 | Really Low | 03:55:53 - 04:05:56 | 4968 |
| Calipatria | 04:00:59 | -13.6 | AT | Down | 17.3 | 5.1 | Really Low | 03:55:58 - 04:06:01 | 4963 |
| Kingman/Dolan Springs | 04:00:53 | -13.3 | AT | Down | 19.4 | 5.6 | Really Low | 03:55:52 - 04:05:55 | 4954 |
| Patrick | 04:00:52 | -13.3 | AT | Down | 19.7 | 5.6 | Really Low | 03:55:51 - 04:05:54 | 4954 |
| Mohave Valley | 04:00:56 | -13.2 | AT | Down | 19.1 | 5.4 | Really Low | 03:55:54 - 04:05:57 | 4943 |
| Laughlin/Bullhead City | 04:00:55 | -13.0 | AT | Down | 19.4 | 5.4 | Really Low | 03:55:54 - 04:05:57 | 4933 |
| Idyllwild | 04:01:04 | -12.5 | AT | Down | 17.8 | 4.8 | Really Low | 03:56:02 - 04:06:05 | 4891 |
| Henderson | 04:00:56 | -12.2 | AT | Down | 20.2 | 5.3 | Low | 03:55:54 - 04:05:57 | 4883 |
| Indian Springs | 04:00:59 | -11.5 | NT | Down | 20.7 | 5.2 | Low | 03:55:57 - 04:06:00 | 4833 |
| Wildwood | 04:01:10 | -11.0 | NT | Down | 18.0 | 4.2 | Really Low | 03:56:09 - 04:06:12 | 4790 |
| Beatty | 04:01:02 | -10.6 | NT | Down | 21.0 | 4.9 | Low | 03:56:01 - 04:06:04 | 4774 |
| Tonopah | 04:01:03 | -9.6 | NT | Down | 22.1 | 4.8 | Low | 03:56:02 - 04:06:05 | 4709 |
| Bishop | 04:01:08 | -9.3 | NT | Down | 21.3 | 4.4 | Low | 03:56:06 - 04:06:09 | 4683 |
| Lee Vining | 04:01:10 | -8.5 | NT | Down | 21.9 | 4.2 | Low | 03:56:08 - 04:06:11 | 4627 |
| Hawthorne | 04:01:08 | -8.4 | NT | Down | 22.5 | 4.4 | Low | 03:56:06 - 04:06:09 | 4627 |
| Yerington | 04:01:09 | -7.8 | NT | Down | 22.9 | 4.2 | Low | 03:56:08 - 04:06:11 | 4584 |
| Gardnerville | 04:01:11 | -7.5 | NT | Down | 22.8 | 4.0 | Low | 03:56:09 - 04:06:12 | 4559 |
| Carson City | 04:01:11 | -7.3 | NT | Down | 23.1 | 4.0 | Low | 03:56:09 - 04:06:12 | 4547 |
| Reno | 04:01:11 | -7.1 | NT | Down | 23.4 | 4.0 | Low | 03:56:09 - 04:06:12 | 4532 |
| Portola | 04:01:13 | -6.6 | NT | Down | 23.6 | 3.8 | Low | 03:56:11 - 04:06:14 | 4491 |
| Quincy | 04:01:14 | -6.2 | NT | Down | 23.7 | 3.7 | Low | 03:56:13 - 04:06:16 | 4463 |
| Gimple | 04:01:14 | -6.1 | NT | Down | 23.9 | 3.7 | Low | 03:56:13 - 04:06:16 | 4459 |
| Susanville | 04:01:13 | -6.1 | NT | Down | 24.2 | 3.8 | Low | 03:56:12 - 04:06:15 | 4457 |
| Greenville | 04:01:14 | -6.1 | NT | Down | 23.9 | 3.7 | Low | 03:56:12 - 04:06:15 | 4454 |
| Cedarville | 04:01:10 | -5.8 | CT | Down | 25.4 | 4.0 | Low | 03:56:09 - 04:06:12 | 4432 |
| Fall River/Burney | 04:01:15 | -5.3 | CT | Down | 24.8 | 3.6 | Low | 03:56:13 - 04:06:16 | 4396 |
| Lakeview | 04:01:09 | -5.3 | CT | Down | 26.0 | 4.0 | Low | 03:56:08 - 04:06:11 | 4395 |
| Klamath Falls | 04:01:15 | -4.4 | CT | Down | 26.0 | 3.5 | Low | 03:56:13 - 04:06:16 | 4328 |
| Sleaford | 04:00:17 | -6.3 | NT | Down | 36.9 | 9.2 | Up | 03:55:16 - 04:05:19 | 4325 |
| North Lake | 04:01:11 | -4.4 | CT | Down | 27.0 | 3.8 | Low | 03:56:09 - 04:06:12 | 4323 |
| Chiloquin | 04:01:15 | -4.2 | CT | Down | 26.3 | 3.5 | Low | 03:56:14 - 04:06:17 | 4309 |
| PNWRO | 04:01:02 | -3.9 | CT | Down | 29.9 | 4.6 | Low | 03:56:00 - 04:06:03 | 4276 |
| Oregon Observatory | 04:01:12 | -3.7 | CT | Down | 27.7 | 3.7 | Low | 03:56:10 - 04:06:13 | 4269 |
| Bend | 04:01:12 | -3.7 | CT | Down | 27.8 | 3.7 | Low | 03:56:10 - 04:06:13 | 4267 |
| Sisters | 04:01:12 | -3.4 | CT | Down | 28.1 | 3.6 | Low | 03:56:10 - 04:06:13 | 4244 |
| Maupin | 04:01:09 | -3.2 | CT | Down | 29.0 | 3.8 | Low | 03:56:08 - 04:06:11 | 4224 |
| Goldendale | 04:01:08 | -3.0 | CT | Down | 29.6 | 3.9 | Low | 03:56:06 - 04:06:09 | 4204 |
| The Dalles | 04:01:09 | -2.9 | CT | Down | 29.4 | 3.8 | Low | 03:56:07 - 04:06:10 | 4199 |
| Toppenish/White Swan | 04:01:06 | -2.9 | CT | Down | 30.2 | 4.1 | Up | 03:56:04 - 04:06:07 | 4195 |
| Yakima | 04:01:06 | -2.7 | CT | Down | 30.4 | 4.0 | Up | 03:56:05 - 04:06:08 | 4177 |
| Ellensburg | 04:01:05 | -2.4 | CT | Down | 30.8 | 4.1 | Up | 03:56:04 - 04:06:07 | 4157 |
| Wenatchee | 04:01:05 | -2.3 | CT | Down | 31.2 | 4.2 | Up | 03:56:03 - 04:06:06 | 4145 |
| Brewster | 04:01:02 | -2.2 | CT | Down | 31.9 | 4.4 | Up | 03:56:00 - 04:06:03 | 4131 |
| Manson/Chelan | 04:01:03 | -2.2 | CT | Down | 31.7 | 4.2 | Up | 03:56:02 - 04:06:05 | 4128 |
| Okanogan | 04:01:01 | -2.2 | CT | Down | 32.2 | 4.4 | Up | 03:56:00 - 04:06:03 | 4125 |
| Tonasket | 04:01:00 | -2.1 | CT | Down | 32.6 | 4.5 | Up | 03:55:59 - 04:06:02 | 4113 |
| Anarchist Mountain Observatory | 04:00:59 | -1.9 | CT | Down | 32.9 | 4.5 | Up | 03:55:58 - 04:06:01 | 4100 |
| Oliver | 04:00:59 | -1.7 | CT | Down | 33.0 | 4.5 | Up | 03:55:57 - 04:06:00 | 4082 |
| Penticton | 04:01:00 | -1.5 | CT | Down | 33.4 | 4.5 | Up | 03:55:58 - 04:06:01 | 4063 |
| Summerland | 04:00:59 | -1.4 | CT | Down | 33.4 | 4.5 | Up | 03:55:58 - 04:06:01 | 4055 |
| Kelowna | 04:00:59 | -1.4 | CT | Down | 33.7 | 4.6 | Up | 03:55:57 - 04:06:00 | 4048 |
| Peachland | 04:00:59 | -1.3 | CT | Down | 33.6 | 4.5 | Up | 03:55:58 - 04:06:01 | 4043 |
| Kamloops | 04:01:01 | -0.5 | Sun up | Down | 34.5 | 4.3 | Up | 03:55:59 - 04:06:02 | 3969 |
| Victoria | 04:01:11 | -0.0 | Sun up | Down | 32.2 | 3.2 | Up | 03:56:09 - 04:06:12 | 3958 |
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, (2022/07/20 03:59UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 48.37 72 PPM 000431 02:31:53.0 +89:15:50 2.0 15.77 83 PPM 005209 03:11:56.2 +74:23:36 4.9 1.17 70 PPM 005122 02:55:28.3 +73:22:16 7.5 0.42 68 PPM 005151 03:02:01.9 +73:46:27 8.9 0.28 69 PPM 005168 03:04:06.4 +73:25:46 10.1 0.23 68 517717 03:00:59.5 +73:30:14 14.9 68 Positions are for J2000
Event circumstances last updated at 2022/06/06 23:51:14 UT
Marc W. Buie, Southwest Research Institute