Event between 14JR92 and star GA0900:05584535 with event index number of 1552336
Geocentric closest approach at 2021/03/17 11:46:49 UTC
J2000 position of star is 17:37:46.7 +01:20:07
Equinox of date position of star is 17:38:50.7 +01:19:27
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 31.9 AU from the Sun
and 31.9 AU from the Earth.
The TNO is moving 11.8
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 152 seconds.
The 1-sigma cross-track error in the shadow position is
2719 km.
The sky-plane scale is
23122.0 km/arcsec.
The TNO has an absolute magnitude Hv=7.9
Diameter=160.0 km assuming a 5% albedo -- 13.6 sec chord
Diameter=65.3 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is CENTAURR
Star training set for 14JR92, (2021/03/17 11:47UT) Object RA Dec mag sep mel Antares 16:30:42.7 -26:28:38 0.9 32.30 152 60Bet Oph 17:44:31.3 +04:33:36 2.8 3.53 132 PPM 164135 17:32:25.3 +02:42:38 6.5 2.12 135 PPM 164264 17:36:55.4 +00:59:05 7.1 0.59 135 PPM 164281 17:37:25.1 +01:14:05 9.5 0.37 135 PPM 164319 17:38:51.5 +01:13:40 10.6 0.10 134 14JR92 17:38:51.2 +01:19:27 15.2 134 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 5.8 km
RECON observability=1.0 and success probability=7.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 11:51:38 | -24.8 | Dark | Down | 34.2 | 136.6 | Up | 11:38:31 - 12:04:46 | 4348 |
| Klamath Falls | 11:50:54 | -26.7 | Dark | Down | 39.4 | 134.8 | Up | 11:37:47 - 12:04:02 | 4319 |
| Fall River/Burney | 11:50:44 | -27.0 | Dark | Down | 40.4 | 134.5 | Up | 11:37:37 - 12:03:52 | 4301 |
| La Pine/Gilchrist | 11:51:03 | -25.9 | Dark | Down | 38.5 | 136.0 | Up | 11:37:56 - 12:04:11 | 4291 |
| Sisters | 11:51:09 | -25.7 | Dark | Down | 38.1 | 136.3 | Up | 11:38:01 - 12:04:16 | 4290 |
| Oregon Observatory | 11:51:06 | -25.8 | Dark | Down | 38.4 | 136.2 | Up | 11:37:58 - 12:04:13 | 4286 |
| Bend | 11:51:08 | -25.6 | Dark | Down | 38.4 | 136.5 | Up | 11:38:01 - 12:04:16 | 4277 |
| Quincy | 11:50:38 | -27.2 | Dark | Down | 41.4 | 134.3 | Up | 11:37:30 - 12:03:45 | 4275 |
| Greenville | 11:50:37 | -27.1 | Dark | Down | 41.3 | 134.4 | Up | 11:37:30 - 12:03:45 | 4275 |
| Gimple | 11:50:40 | -27.0 | Dark | Down | 41.3 | 134.5 | Up | 11:37:33 - 12:03:48 | 4269 |
| Redmond | 11:51:10 | -25.4 | Dark | Down | 38.3 | 136.7 | Up | 11:38:03 - 12:04:18 | 4266 |
| North Lake | 11:51:03 | -25.7 | Dark | Down | 39.2 | 136.4 | Up | 11:37:56 - 12:04:11 | 4256 |
| CPSLO | 11:50:00 | -28.8 | Dark | Down | 44.7 | 131.3 | Up | 11:36:52 - 12:03:07 | 4256 |
| The Dalles | 11:51:19 | -24.8 | Dark | Down | 37.3 | 137.5 | Up | 11:38:12 - 12:04:27 | 4254 |
| Susanville | 11:50:41 | -26.8 | Dark | Down | 41.3 | 134.9 | Up | 11:37:34 - 12:03:49 | 4254 |
| Maupin | 11:51:21 | -24.9 | Dark | Down | 37.7 | 137.4 | Up | 11:38:14 - 12:04:29 | 4252 |
| Portola | 11:50:37 | -26.9 | Dark | Down | 41.8 | 134.8 | Up | 11:37:29 - 12:03:44 | 4243 |
| Paisley | 11:50:59 | -25.7 | Dark | Down | 39.7 | 136.5 | Up | 11:37:51 - 12:04:06 | 4237 |
| Goldendale | 11:51:24 | -24.5 | Dark | Down | 37.4 | 138.0 | Up | 11:38:17 - 12:04:32 | 4230 |
| Lakeview | 11:50:56 | -25.8 | Dark | Down | 40.2 | 136.4 | Up | 11:37:49 - 12:04:04 | 4227 |
| Cedarville | 11:50:54 | -25.9 | Dark | Down | 40.8 | 136.2 | Up | 11:37:47 - 12:04:02 | 4218 |
| Yakima | 11:51:29 | -24.0 | Dark | Down | 36.9 | 138.7 | Up | 11:38:22 - 12:04:37 | 4207 |
| Ellensburg | 11:51:31 | -23.8 | Dark | Down | 36.6 | 138.9 | Up | 11:38:24 - 12:04:39 | 4202 |
| Reno | 11:50:37 | -26.5 | Dark | Down | 42.3 | 135.3 | Up | 11:37:29 - 12:03:44 | 4200 |
| Carson City | 11:50:37 | -26.6 | Dark | Down | 42.6 | 135.1 | Up | 11:37:29 - 12:03:44 | 4199 |
| Toppenish/White Swan | 11:51:29 | -24.0 | Dark | Down | 37.1 | 138.8 | Up | 11:38:22 - 12:04:37 | 4199 |
| Gardnerville | 11:50:33 | -26.7 | Dark | Down | 42.8 | 135.0 | Up | 11:37:26 - 12:03:41 | 4196 |
| Wenatchee | 11:51:37 | -23.4 | Dark | Down | 36.4 | 139.4 | Up | 11:38:29 - 12:04:44 | 4184 |
| Manson/Chelan | 11:51:40 | -23.1 | Dark | Down | 36.1 | 139.8 | Up | 11:38:33 - 12:04:48 | 4169 |
| Yerington | 11:50:35 | -26.3 | Dark | Down | 43.1 | 135.7 | Up | 11:37:27 - 12:03:42 | 4155 |
| Lee Vining | 11:50:26 | -26.6 | Dark | Down | 43.8 | 135.0 | Up | 11:37:19 - 12:03:34 | 4152 |
| Brewster | 11:51:42 | -22.8 | Dark | Down | 36.1 | 140.4 | Up | 11:38:35 - 12:04:50 | 4144 |
| Okanogan | 11:51:44 | -22.6 | Dark | Down | 36.0 | 140.7 | Up | 11:38:36 - 12:04:51 | 4129 |
| Peachland | 11:51:55 | -22.0 | Dark | Down | 34.9 | 141.2 | Up | 11:38:47 - 12:05:02 | 4124 |
| Pasco | 11:51:31 | -23.2 | Dark | Down | 37.8 | 140.2 | Up | 11:38:24 - 12:04:39 | 4121 |
| Summerland | 11:51:53 | -22.1 | Dark | Down | 35.0 | 141.2 | Up | 11:38:45 - 12:05:00 | 4120 |
| Oliver | 11:51:50 | -22.2 | Dark | Down | 35.4 | 141.1 | Up | 11:38:42 - 12:04:57 | 4119 |
| Hawthorne | 11:50:31 | -26.1 | Dark | Down | 43.7 | 136.0 | Up | 11:37:24 - 12:03:39 | 4118 |
| Tonasket | 11:51:49 | -22.3 | Dark | Down | 35.8 | 141.1 | Up | 11:38:41 - 12:04:56 | 4117 |
| Penticton | 11:51:54 | -22.0 | Dark | Down | 35.1 | 141.3 | Up | 11:38:47 - 12:05:02 | 4114 |
| Anarchist Mountain Observatory | 11:51:51 | -22.1 | Dark | Down | 35.6 | 141.3 | Up | 11:38:43 - 12:04:58 | 4110 |
| PNWRO | 11:51:29 | -23.2 | Dark | Down | 38.1 | 140.3 | Up | 11:38:21 - 12:04:36 | 4109 |
| Kelowna | 11:51:55 | -21.8 | Dark | Down | 34.9 | 141.6 | Up | 11:38:47 - 12:05:02 | 4105 |
| Wildwood | 11:49:56 | -27.7 | Dark | Down | 46.7 | 132.7 | Up | 11:36:49 - 12:03:04 | 4101 |
| Bishop | 11:50:25 | -26.3 | Dark | Down | 44.6 | 135.5 | Up | 11:37:17 - 12:03:32 | 4099 |
| Clarence Fulton | 11:51:58 | -21.5 | Dark | Down | 34.7 | 141.9 | Up | 11:38:51 - 12:05:06 | 4091 |
| Tonopah | 11:50:33 | -25.2 | Dark | Down | 44.8 | 137.4 | Up | 11:37:26 - 12:03:41 | 4017 |
| Beatty | 11:50:24 | -25.2 | Dark | Down | 45.9 | 137.1 | Up | 11:37:17 - 12:03:32 | 3980 |
| Idyllwild | 11:49:58 | -26.3 | Dark | Down | 48.1 | 134.6 | Up | 11:36:51 - 12:03:06 | 3958 |
| Indian Springs | 11:50:25 | -24.5 | Dark | Down | 46.7 | 138.2 | Up | 11:37:18 - 12:03:33 | 3899 |
| Calipatria | 11:49:57 | -25.5 | Dark | Down | 49.2 | 135.6 | Up | 11:36:49 - 12:03:04 | 3861 |
| Henderson | 11:50:20 | -24.2 | Dark | Down | 47.5 | 138.6 | Up | 11:37:12 - 12:03:27 | 3843 |
| Laughlin/Bullhead City | 11:50:14 | -24.1 | Dark | Down | 48.3 | 138.5 | Up | 11:37:06 - 12:03:21 | 3806 |
| Mohave Valley | 11:50:13 | -24.2 | Dark | Down | 48.5 | 138.2 | Up | 11:37:05 - 12:03:20 | 3803 |
| Blythe | 11:50:03 | -24.6 | Dark | Down | 49.4 | 137.2 | Up | 11:36:56 - 12:03:11 | 3793 |
| Yuma | 11:49:55 | -24.9 | Dark | Down | 50.1 | 136.3 | Up | 11:36:47 - 12:03:02 | 3787 |
| Lake Havasu City | 11:50:11 | -24.1 | Dark | Down | 49.0 | 138.3 | Up | 11:37:04 - 12:03:19 | 3781 |
| Parker | 11:50:08 | -24.2 | Dark | Down | 49.2 | 138.0 | Up | 11:37:01 - 12:03:16 | 3775 |
| Kingman/Dolan Springs | 11:50:18 | -23.7 | Dark | Down | 48.6 | 139.1 | Up | 11:37:10 - 12:03:25 | 3767 |
| Patrick | 11:50:19 | -23.5 | Dark | Down | 48.5 | 139.6 | Up | 11:37:12 - 12:03:27 | 3754 |
| George/Scottsdale | 11:50:11 | -22.4 | Dark | Down | 50.9 | 140.9 | Up | 11:37:04 - 12:03:19 | 3580 |
| Dunrhomin | 11:51:19 | -15.5 | AT | Down | 48.3 | 154.7 | Up | 11:38:11 - 12:04:26 | 3143 |
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 14JR92, (2021/03/17 11:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 32.30 152 60Bet Oph 17:43:28.3 +04:34:06 2.8 3.53 132 PPM 164135 17:31:21.4 +02:43:30 6.5 2.12 135 PPM 164264 17:35:50.6 +00:59:48 7.1 0.59 135 PPM 164281 17:36:20.5 +01:14:48 9.5 0.37 135 PPM 164319 17:37:46.9 +01:14:21 10.6 0.10 134 14JR92 17:37:46.7 +01:20:07 15.2 134 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:16:19 UT
Marc W. Buie, Southwest Research Institute