Event between 14GL54 and star GA0880:04877359 with event index number of 1112972
Geocentric closest approach at 2021/05/04 10:26:43 UTC
J2000 position of star is 16:35:19.8 -01:38:54
Equinox of date position of star is 16:36:25.3 -01:41:26
Stellar brightness G=14.4,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 77 degrees from the moon.
Moon is 44% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 36.9 AU from the Sun
and 36.0 AU from the Earth.
The TNO is moving 21.7
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 90 seconds.
The 1-sigma cross-track error in the shadow position is
1612 km.
The sky-plane scale is
26137.0 km/arcsec.
The TNO has an absolute magnitude Hv=6.3
Diameter=335.7 km assuming a 5% albedo -- 15.4 sec chord
Diameter=137.1 km assuming a 30% albedo -- 6.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 14GL54, (2021/05/04 10:27UT) Object RA Dec mag sep mel Antares 16:30:43.2 -26:28:39 0.9 24.82 72 1Del Oph 16:15:28.0 -03:44:52 2.7 5.63 81 12 Oph 16:37:28.8 -02:22:07 5.8 0.73 76 PPM 179891 16:42:17.7 -01:02:24 6.8 1.60 76 PPM 179851 16:34:50.9 -01:58:57 9.6 0.49 77 PPM 179863 16:37:03.5 -01:49:45 11.0 0.21 77 14GL54 16:36:26.2 -01:41:28 14.4 77 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 20.0 km
RECON observability=1.0 and success probability=0.5%
| 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 | 10:27:02 | -15.6 | AT | Down | 37.2 | 194.0 | Up | 10:19:03 - 10:35:01 | 6843 |
| Kelowna | 10:27:02 | -16.0 | AT | Up | 37.6 | 193.9 | Up | 10:19:03 - 10:35:01 | 6816 |
| Peachland | 10:27:03 | -16.2 | AT | Down | 37.8 | 193.6 | Up | 10:19:04 - 10:35:02 | 6804 |
| Summerland | 10:27:02 | -16.3 | AT | Up | 37.9 | 193.7 | Up | 10:19:03 - 10:35:01 | 6796 |
| Penticton | 10:27:02 | -16.3 | AT | Up | 38.0 | 193.9 | Up | 10:19:03 - 10:35:01 | 6794 |
| Oliver | 10:27:03 | -16.6 | AT | Up | 38.3 | 193.9 | Up | 10:19:04 - 10:35:02 | 6771 |
| Anarchist Mountain Observatory | 10:27:01 | -16.6 | AT | Up | 38.4 | 194.2 | Up | 10:19:02 - 10:35:00 | 6764 |
| Tonasket | 10:27:00 | -16.9 | AT | Up | 38.8 | 194.2 | Up | 10:19:01 - 10:34:59 | 6742 |
| Okanogan | 10:27:00 | -17.2 | AT | Up | 39.1 | 194.1 | Up | 10:19:01 - 10:34:59 | 6717 |
| Brewster | 10:27:00 | -17.5 | AT | Up | 39.4 | 193.8 | Up | 10:19:01 - 10:34:59 | 6696 |
| Manson/Chelan | 10:27:03 | -17.8 | AT | Up | 39.7 | 193.4 | Up | 10:19:04 - 10:35:02 | 6676 |
| Victoria | 10:27:13 | -18.6 | Dark | Down | 39.5 | 189.2 | Up | 10:19:14 - 10:35:12 | 6663 |
| Wenatchee | 10:27:03 | -18.3 | Dark | Up | 40.1 | 193.3 | Up | 10:19:04 - 10:35:02 | 6641 |
| Ellensburg | 10:27:02 | -18.7 | Dark | Up | 40.6 | 193.1 | Up | 10:19:03 - 10:35:01 | 6609 |
| Pasco | 10:26:56 | -18.7 | Dark | Up | 41.1 | 195.1 | Up | 10:18:57 - 10:34:55 | 6583 |
| Yakima | 10:27:01 | -19.0 | Dark | Up | 41.0 | 193.1 | Up | 10:19:02 - 10:35:00 | 6581 |
| PNWRO | 10:26:54 | -18.8 | Dark | Up | 41.3 | 195.4 | Up | 10:18:55 - 10:34:53 | 6570 |
| Toppenish/White Swan | 10:27:00 | -19.1 | Dark | Up | 41.2 | 193.4 | Up | 10:19:01 - 10:34:59 | 6569 |
| Goldendale | 10:27:01 | -19.7 | Dark | Up | 41.8 | 193.0 | Up | 10:19:02 - 10:35:00 | 6523 |
| The Dalles | 10:27:02 | -20.1 | Dark | Up | 42.0 | 192.5 | Up | 10:19:03 - 10:35:01 | 6501 |
| Maupin | 10:27:01 | -20.4 | Dark | Up | 42.4 | 192.7 | Up | 10:19:02 - 10:35:00 | 6473 |
| Redmond | 10:27:00 | -21.1 | Dark | Up | 43.3 | 192.8 | Up | 10:19:01 - 10:34:59 | 6407 |
| Sisters | 10:27:01 | -21.3 | Dark | Up | 43.4 | 192.3 | Up | 10:19:02 - 10:35:00 | 6402 |
| Dunrhomin | 10:25:57 | -15.7 | AT | Up | 42.3 | 214.9 | Up | 10:17:58 - 10:33:56 | 6401 |
| Bend | 10:27:00 | -21.4 | Dark | Up | 43.6 | 192.7 | Up | 10:19:01 - 10:34:59 | 6389 |
| Oregon Observatory | 10:27:00 | -21.5 | Dark | Up | 43.8 | 192.5 | Up | 10:19:01 - 10:34:59 | 6374 |
| La Pine/Gilchrist | 10:27:01 | -21.7 | Dark | Up | 44.0 | 192.5 | Up | 10:19:02 - 10:35:00 | 6358 |
| North Lake | 10:26:57 | -21.8 | Dark | Up | 44.3 | 193.4 | Up | 10:18:58 - 10:34:56 | 6338 |
| Paisley | 10:26:55 | -22.1 | Dark | Up | 44.8 | 194.0 | Up | 10:18:56 - 10:34:54 | 6304 |
| Lakeview | 10:26:54 | -22.4 | Dark | Up | 45.2 | 194.4 | Up | 10:18:55 - 10:34:53 | 6269 |
| Klamath Falls | 10:26:59 | -23.0 | Dark | Up | 45.4 | 192.4 | Up | 10:19:00 - 10:34:58 | 6245 |
| Cedarville | 10:26:52 | -22.8 | Dark | Up | 45.8 | 194.8 | Up | 10:18:53 - 10:34:51 | 6223 |
| Fall River/Burney | 10:26:56 | -23.8 | Dark | Up | 46.5 | 193.2 | Up | 10:18:57 - 10:34:55 | 6163 |
| Susanville | 10:26:52 | -23.9 | Dark | Up | 47.0 | 194.4 | Up | 10:18:53 - 10:34:51 | 6129 |
| Gimple | 10:26:53 | -24.2 | Dark | Up | 47.3 | 194.2 | Up | 10:18:54 - 10:34:52 | 6103 |
| Greenville | 10:26:54 | -24.3 | Dark | Up | 47.3 | 194.0 | Up | 10:18:55 - 10:34:53 | 6102 |
| Quincy | 10:26:53 | -24.4 | Dark | Up | 47.5 | 194.1 | Up | 10:18:54 - 10:34:52 | 6086 |
| Portola | 10:26:51 | -24.3 | Dark | Up | 47.6 | 194.8 | Up | 10:18:52 - 10:34:50 | 6086 |
| Reno | 10:26:48 | -24.2 | Dark | Up | 47.7 | 195.8 | Up | 10:18:49 - 10:34:47 | 6077 |
| Carson City | 10:26:48 | -24.5 | Dark | Up | 48.0 | 196.0 | Up | 10:18:49 - 10:34:47 | 6050 |
| Yerington | 10:26:45 | -24.3 | Dark | Up | 48.1 | 196.9 | Up | 10:18:46 - 10:34:44 | 6047 |
| Gardnerville | 10:26:47 | -24.6 | Dark | Up | 48.2 | 196.1 | Up | 10:18:48 - 10:34:46 | 6031 |
| Hawthorne | 10:26:42 | -24.4 | Dark | Up | 48.4 | 197.8 | Up | 10:18:43 - 10:34:41 | 6020 |
| Tonopah | 10:26:36 | -24.0 | Dark | Up | 48.5 | 200.0 | Up | 10:18:37 - 10:34:35 | 6012 |
| Lee Vining | 10:26:43 | -25.0 | Dark | Up | 49.0 | 197.3 | Up | 10:18:44 - 10:34:42 | 5966 |
| Bishop | 10:26:40 | -25.1 | Dark | Up | 49.4 | 198.6 | Up | 10:18:41 - 10:34:39 | 5932 |
| Beatty | 10:26:33 | -24.6 | Dark | Up | 49.4 | 201.2 | Up | 10:18:34 - 10:34:32 | 5927 |
| Indian Springs | 10:26:28 | -24.2 | Dark | Up | 49.4 | 202.9 | Up | 10:18:29 - 10:34:27 | 5922 |
| Henderson | 10:26:24 | -24.2 | Dark | Up | 49.7 | 204.1 | Up | 10:18:25 - 10:34:23 | 5892 |
| Patrick | 10:26:19 | -24.0 | Dark | Up | 49.9 | 206.0 | Up | 10:18:20 - 10:34:18 | 5863 |
| Kingman/Dolan Springs | 10:26:19 | -24.3 | Dark | Up | 50.2 | 205.8 | Up | 10:18:20 - 10:34:18 | 5841 |
| Laughlin/Bullhead City | 10:26:22 | -24.6 | Dark | Up | 50.4 | 205.1 | Up | 10:18:23 - 10:34:21 | 5829 |
| Mohave Valley | 10:26:21 | -24.8 | Dark | Up | 50.6 | 205.3 | Up | 10:18:22 - 10:34:20 | 5806 |
| Lake Havasu City | 10:26:19 | -24.9 | Dark | Up | 50.9 | 205.8 | Up | 10:18:20 - 10:34:18 | 5778 |
| George/Scottsdale | 10:26:08 | -24.0 | Dark | Up | 50.6 | 209.8 | Up | 10:18:09 - 10:34:07 | 5763 |
| Parker | 10:26:18 | -25.2 | Dark | Up | 51.2 | 206.1 | Up | 10:18:19 - 10:34:17 | 5750 |
| CPSLO | 10:26:45 | -27.9 | Dark | Up | 51.9 | 195.9 | Up | 10:18:46 - 10:34:44 | 5716 |
| Blythe | 10:26:19 | -25.7 | Dark | Up | 51.8 | 205.9 | Up | 10:18:20 - 10:34:18 | 5699 |
| Idyllwild | 10:26:27 | -26.9 | Dark | Up | 52.4 | 202.6 | Up | 10:18:28 - 10:34:26 | 5667 |
| Wildwood | 10:26:35 | -27.7 | Dark | Up | 52.6 | 199.6 | Up | 10:18:36 - 10:34:34 | 5657 |
| Calipatria | 10:26:22 | -26.6 | Dark | Up | 52.5 | 204.8 | Up | 10:18:23 - 10:34:21 | 5638 |
| Yuma | 10:26:17 | -26.4 | Dark | Up | 52.6 | 206.4 | Up | 10:18:18 - 10:34:16 | 5620 |
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 14GL54, (2021/05/04 10:27UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 24.82 72 1Del Oph 16:14:20.7 -03:41:43 2.7 5.63 81 12 Oph 16:36:22.1 -02:19:35 5.8 0.73 76 PPM 179891 16:41:11.6 -01:00:00 6.8 1.60 76 PPM 179851 16:33:44.3 -01:56:21 9.6 0.49 77 PPM 179863 16:35:57.1 -01:47:12 11.0 0.21 77 14GL54 16:35:19.8 -01:38:54 14.4 77 Positions are for J2000
Event circumstances last updated at 2021/01/20 21:21:32 UT
Marc W. Buie, Southwest Research Institute