Event between 11UQ412 and star GA1040:00310849 with event index number of 359738
Geocentric closest approach at 2019/10/03 07:56:56 UTC
J2000 position of star is 03:12:57.3 +15:05:30
Equinox of date position of star is 03:14:02.3 +15:09:49
Stellar brightness G=17.2,
use SENSEUP=128
Star is 158 degrees from the moon.
Moon is 26% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 34.9 AU from the Sun
and 34.1 AU from the Earth.
The TNO is moving 17.3
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 316 seconds.
The 1-sigma cross-track error in the shadow position is
3295 km.
The sky-plane scale is
24767.5 km/arcsec.
The TNO has an absolute magnitude Hv=7.7
Diameter=171.4 km assuming a 5% albedo -- 9.9 sec chord
Diameter=70.0 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 11UQ412, (2019/10/03 07:57UT) Object RA Dec mag sep mel Aldebaran 04:37:03.4 +16:32:51 0.8 20.00 177 Menkar 03:03:18.9 +04:09:58 2.5 11.31 151 PPM 118814 03:07:29.0 +13:15:44 5.6 2.48 156 PPM 118930 03:15:14.7 +15:39:46 7.2 0.57 159 PPM 118909 03:13:31.0 +15:06:56 10.8 0.14 158 11UQ412 03:14:03.4 +15:09:53 17.2 159 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 14.4 km
RECON observability=1.0 and success probability=4.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 07:57:39 | -43.9 | Dark | Down | 44.4 | 126.6 | Up | 07:42:39 - 08:12:39 | 7585 |
| Summerland | 07:57:41 | -44.2 | Dark | Down | 44.4 | 126.0 | Up | 07:42:41 - 08:12:41 | 7577 |
| Penticton | 07:57:41 | -44.3 | Dark | Down | 44.5 | 126.1 | Up | 07:42:41 - 08:12:41 | 7569 |
| Okanagan Falls | 07:57:42 | -44.5 | Dark | Down | 44.6 | 126.0 | Up | 07:42:42 - 08:12:42 | 7559 |
| Oliver | 07:57:42 | -44.7 | Dark | Down | 44.7 | 125.8 | Up | 07:42:42 - 08:12:42 | 7548 |
| Anarchist Mountain Observatory | 07:57:43 | -44.8 | Dark | Down | 44.9 | 125.9 | Up | 07:42:43 - 08:12:43 | 7531 |
| Oroville | 07:57:44 | -44.9 | Dark | Down | 44.9 | 125.8 | Up | 07:42:44 - 08:12:44 | 7529 |
| Tonasket | 07:57:44 | -45.1 | Dark | Down | 45.1 | 125.6 | Up | 07:42:44 - 08:12:44 | 7515 |
| Okanogan | 07:57:47 | -45.5 | Dark | Down | 45.2 | 125.2 | Up | 07:42:47 - 08:12:47 | 7499 |
| Brewster | 07:57:48 | -45.7 | Dark | Down | 45.2 | 124.7 | Up | 07:42:48 - 08:12:48 | 7490 |
| Manson/Chelan | 07:57:50 | -46.0 | Dark | Down | 45.1 | 124.1 | Up | 07:42:50 - 08:12:50 | 7490 |
| Entiat | 07:57:51 | -46.2 | Dark | Down | 45.2 | 123.9 | Up | 07:42:51 - 08:12:51 | 7478 |
| Wenatchee | 07:57:53 | -46.4 | Dark | Down | 45.3 | 123.6 | Up | 07:42:53 - 08:12:53 | 7466 |
| Ellensburg | 07:57:55 | -46.9 | Dark | Down | 45.4 | 123.0 | Up | 07:42:55 - 08:12:55 | 7448 |
| Yakima | 07:57:58 | -47.3 | Dark | Down | 45.6 | 122.6 | Up | 07:42:58 - 08:12:58 | 7423 |
| Toppenish/White Swan | 07:57:58 | -47.5 | Dark | Down | 45.9 | 122.6 | Up | 07:42:58 - 08:12:58 | 7403 |
| Goldendale | 07:58:02 | -48.1 | Dark | Down | 45.9 | 121.7 | Up | 07:43:02 - 08:13:02 | 7384 |
| The Dalles | 07:58:04 | -48.3 | Dark | Down | 45.8 | 121.1 | Up | 07:43:04 - 08:13:04 | 7382 |
| Maupin | 07:58:07 | -48.7 | Dark | Down | 46.1 | 120.9 | Up | 07:43:07 - 08:13:07 | 7352 |
| Pasco | 07:57:55 | -47.6 | Dark | Down | 46.7 | 123.9 | Up | 07:42:55 - 08:12:55 | 7350 |
| George/Umatilla | 07:57:57 | -47.9 | Dark | Down | 46.7 | 123.4 | Up | 07:42:57 - 08:12:57 | 7337 |
| PNWRO | 07:57:56 | -47.8 | Dark | Down | 46.9 | 124.0 | Up | 07:42:56 - 08:12:56 | 7326 |
| Madras/Culver | 07:58:09 | -49.2 | Dark | Down | 46.4 | 120.3 | Up | 07:43:09 - 08:13:09 | 7318 |
| Sisters | 07:58:11 | -49.6 | Dark | Down | 46.3 | 119.6 | Up | 07:43:11 - 08:13:11 | 7312 |
| Redmond | 07:58:11 | -49.6 | Dark | Down | 46.5 | 120.0 | Up | 07:43:11 - 08:13:11 | 7296 |
| Bend | 07:58:12 | -49.8 | Dark | Down | 46.5 | 119.6 | Up | 07:43:12 - 08:13:12 | 7287 |
| Oregon Observatory | 07:58:13 | -50.0 | Dark | Down | 46.5 | 119.3 | Up | 07:43:13 - 08:13:13 | 7280 |
| La Pine/Gilchrist | 07:58:15 | -50.2 | Dark | Down | 46.6 | 119.1 | Up | 07:43:15 - 08:13:15 | 7269 |
| North Lake | 07:58:14 | -50.6 | Dark | Down | 47.2 | 119.3 | Up | 07:43:14 - 08:13:14 | 7218 |
| Chiloquin | 07:58:21 | -51.3 | Dark | Down | 46.9 | 117.7 | Up | 07:43:21 - 08:13:21 | 7208 |
| Klamath Falls | 07:58:22 | -51.7 | Dark | Down | 47.1 | 117.5 | Up | 07:43:22 - 08:13:22 | 7182 |
| Paisley | 07:58:16 | -51.2 | Dark | Down | 47.7 | 119.2 | Up | 07:43:16 - 08:13:16 | 7167 |
| Tulelake | 07:58:22 | -51.9 | Dark | Down | 47.5 | 117.5 | Up | 07:43:22 - 08:13:22 | 7152 |
| Lakeview | 07:58:17 | -51.7 | Dark | Down | 48.1 | 118.9 | Up | 07:43:17 - 08:13:17 | 7125 |
| Fall River/Burney | 07:58:27 | -52.8 | Dark | Down | 47.9 | 116.7 | Up | 07:43:27 - 08:13:27 | 7086 |
| Cedarville | 07:58:20 | -52.3 | Dark | Down | 48.5 | 118.5 | Up | 07:43:20 - 08:13:20 | 7072 |
| Susanville | 07:58:27 | -53.4 | Dark | Down | 48.7 | 116.9 | Up | 07:43:27 - 08:13:27 | 7013 |
| Greenville | 07:58:29 | -53.7 | Dark | Down | 48.7 | 116.3 | Up | 07:43:29 - 08:13:29 | 7005 |
| Gimple | 07:58:29 | -53.7 | Dark | Down | 48.7 | 116.4 | Up | 07:43:29 - 08:13:29 | 7001 |
| Quincy | 07:58:30 | -53.9 | Dark | Down | 48.8 | 116.1 | Up | 07:43:30 - 08:13:30 | 6990 |
| Portola | 07:58:29 | -54.0 | Dark | Down | 49.1 | 116.5 | Up | 07:43:29 - 08:13:29 | 6962 |
| Reno | 07:58:29 | -54.3 | Dark | Down | 49.7 | 116.9 | Up | 07:43:29 - 08:13:29 | 6917 |
| Carson City | 07:58:30 | -54.6 | Dark | Down | 49.9 | 116.5 | Up | 07:43:30 - 08:13:30 | 6890 |
| Gardnerville | 07:58:30 | -54.9 | Dark | Down | 50.0 | 116.3 | Up | 07:43:30 - 08:13:30 | 6871 |
| Yerington | 07:58:29 | -54.8 | Dark | Down | 50.4 | 117.0 | Up | 07:43:29 - 08:13:29 | 6851 |
| Hawthorne | 07:58:29 | -55.2 | Dark | Down | 51.0 | 117.0 | Up | 07:43:29 - 08:13:29 | 6795 |
| Lee Vining | 07:58:33 | -55.8 | Dark | Down | 50.9 | 115.9 | Up | 07:43:33 - 08:13:33 | 6773 |
| Tonopah | 07:58:26 | -55.5 | Dark | Down | 52.2 | 118.0 | Up | 07:43:26 - 08:13:26 | 6702 |
| Bishop | 07:58:32 | -56.3 | Dark | Down | 51.7 | 116.0 | Up | 07:43:32 - 08:13:32 | 6698 |
| CPSLO | 07:58:49 | -58.5 | Dark | Down | 50.9 | 111.4 | Up | 07:43:49 - 08:13:49 | 6636 |
| Lone Pine | 07:58:35 | -57.0 | Dark | Down | 52.3 | 115.5 | Up | 07:43:35 - 08:13:35 | 6626 |
| Beatty | 07:58:30 | -56.6 | Dark | Down | 53.1 | 117.2 | Up | 07:43:30 - 08:13:30 | 6595 |
| Indian Springs | 07:58:26 | -56.7 | Dark | Down | 54.0 | 118.0 | Up | 07:43:26 - 08:13:26 | 6525 |
| Henderson | 07:58:26 | -57.1 | Dark | Down | 54.7 | 118.1 | Up | 07:43:26 - 08:13:26 | 6454 |
| Wildwood | 07:58:47 | -59.6 | Dark | Down | 52.9 | 112.0 | Up | 07:43:47 - 08:13:47 | 6454 |
| Searchlight/Boulder City | 07:58:28 | -57.7 | Dark | Down | 55.0 | 117.4 | Up | 07:43:28 - 08:13:28 | 6406 |
| Niwot | 07:57:33 | -50.7 | Dark | Down | 58.3 | 135.8 | Up | 07:42:33 - 08:12:33 | 6378 |
| SwRI | 07:57:33 | -50.8 | Dark | Down | 58.4 | 135.5 | Up | 07:42:33 - 08:12:33 | 6374 |
| Laughlin/Bullhead City | 07:58:28 | -57.9 | Dark | Down | 55.4 | 117.4 | Up | 07:43:28 - 08:13:28 | 6368 |
| Patrick | 07:58:25 | -57.5 | Dark | Down | 55.8 | 118.5 | Up | 07:43:25 - 08:13:25 | 6357 |
| Kingman/Dolan Springs | 07:58:27 | -57.8 | Dark | Down | 55.8 | 118.0 | Up | 07:43:27 - 08:13:27 | 6347 |
| Mohave Valley | 07:58:30 | -58.2 | Dark | Down | 55.5 | 117.1 | Up | 07:43:30 - 08:13:30 | 6346 |
| Idyllwild | 07:58:42 | -59.7 | Dark | Down | 54.5 | 113.4 | Up | 07:43:42 - 08:13:42 | 6344 |
| Lake Havasu City | 07:58:30 | -58.5 | Dark | Down | 55.9 | 116.9 | Up | 07:43:30 - 08:13:30 | 6303 |
| DCO | 07:58:23 | -57.7 | Dark | Down | 56.5 | 119.0 | Up | 07:43:23 - 08:13:23 | 6303 |
| Parker | 07:58:32 | -58.8 | Dark | Down | 56.1 | 116.4 | Up | 07:43:32 - 08:13:32 | 6273 |
| Calipatria | 07:58:40 | -60.1 | Dark | Down | 55.6 | 113.8 | Up | 07:43:40 - 08:13:40 | 6244 |
| Blythe | 07:58:35 | -59.4 | Dark | Down | 56.1 | 115.4 | Up | 07:43:35 - 08:13:35 | 6243 |
| Yuma | 07:58:38 | -60.3 | Dark | Down | 56.5 | 114.1 | Up | 07:43:38 - 08:13:38 | 6169 |
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 11UQ412, (2019/10/03 07:57UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 20.00 177 Menkar 03:02:16.8 +04:05:21 2.5 11.31 151 PPM 118814 03:06:23.7 +13:11:13 5.6 2.48 156 PPM 118930 03:14:08.4 +15:35:25 7.2 0.57 159 PPM 118909 03:12:24.9 +15:02:33 10.8 0.14 158 11UQ412 03:12:57.3 +15:05:30 17.2 158 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:42:47 UT
Marc W. Buie, Southwest Research Institute