Event between 14QY441 and star GA1140:01828812 with event index number of 1840531
Geocentric closest approach at 2028/02/19 03:52:28 UTC
J2000 position of star is 06:05:25.8 +25:45:00
Equinox of date position of star is 06:06:43.3 +25:44:49
Stellar brightness G=15.2,
use SENSEUP=128
Star is 170 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=25.8
[RECON map]
TNO is 37.0 AU from the Sun
and 36.5 AU from the Earth.
The TNO is moving 11.3
km/sec on the sky relative to the star, or,
1.5 arcsec/hr.
The 1-sigma error in the time of the event is 878 seconds.
The 1-sigma cross-track error in the shadow position is
2224 km.
The sky-plane scale is
26478.0 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=430.5 km assuming a 5% albedo -- 5.3 sec chord
Diameter=175.8 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is 4:3E
Star training set for 14QY441, (2028/02/19 03:52UT) Object RA Dec mag sep mel Betelgeuse 05:56:41.7 +07:24:36 0.4 18.51 159 Alnath 05:28:04.4 +28:37:43 1.6 9.16 178 139 Tau 05:59:44.5 +25:57:17 4.7 1.69 172 PPM 095354 06:06:50.3 +25:47:49 8.2 0.09 170 14QY441 06:07:10.4 +25:44:45 15.2 170 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
1.0 sigma about the mid-time.
The median site spacing is 23.7 km
RECON observability=1.0 and success probability=23.3%
| 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 | 03:52:53 | -25.0 | Dark | Down | 65.3 | 171.8 | Up | 03:37:53 - 04:07:53 | 1267 |
| Kelowna | 03:52:55 | -25.0 | Dark | Down | 65.7 | 171.3 | Up | 03:37:55 - 04:07:55 | 1228 |
| Peachland | 03:52:56 | -24.8 | Dark | Down | 65.8 | 170.6 | Up | 03:37:56 - 04:07:56 | 1217 |
| Summerland | 03:52:56 | -24.9 | Dark | Down | 65.9 | 170.8 | Up | 03:37:56 - 04:07:56 | 1202 |
| Penticton | 03:52:56 | -25.0 | Dark | Down | 66.0 | 171.0 | Up | 03:37:56 - 04:07:56 | 1195 |
| Oliver | 03:52:56 | -25.0 | Dark | Down | 66.4 | 170.9 | Up | 03:37:56 - 04:07:56 | 1159 |
| Anarchist Mountain Observatory | 03:52:55 | -25.2 | Dark | Down | 66.5 | 171.3 | Up | 03:37:55 - 04:07:55 | 1141 |
| Tonasket | 03:52:55 | -25.2 | Dark | Down | 66.8 | 171.0 | Up | 03:37:55 - 04:07:55 | 1110 |
| Victoria | 03:53:21 | -22.7 | Dark | Down | 66.4 | 162.2 | Up | 03:38:21 - 04:08:21 | 1106 |
| Okanogan | 03:52:56 | -25.2 | Dark | Down | 67.2 | 170.5 | Up | 03:37:56 - 04:07:56 | 1075 |
| Brewster | 03:52:58 | -25.1 | Dark | Down | 67.4 | 170.0 | Up | 03:37:58 - 04:07:58 | 1048 |
| Manson/Chelan | 03:53:00 | -24.9 | Dark | Down | 67.6 | 169.0 | Up | 03:38:00 - 04:08:00 | 1028 |
| Entiat | 03:53:01 | -24.9 | Dark | Down | 67.8 | 168.8 | Up | 03:38:01 - 04:08:01 | 1005 |
| Wenatchee | 03:53:02 | -24.9 | Dark | Down | 68.0 | 168.4 | Up | 03:38:02 - 04:08:02 | 979 |
| Ellensburg | 03:53:04 | -24.8 | Dark | Down | 68.4 | 167.7 | Up | 03:38:04 - 04:08:04 | 938 |
| Yakima | 03:53:03 | -24.9 | Dark | Down | 68.8 | 167.4 | Up | 03:38:03 - 04:08:03 | 895 |
| Toppenish/White Swan | 03:53:03 | -25.0 | Dark | Down | 69.0 | 167.7 | Up | 03:38:03 - 04:08:03 | 872 |
| Pasco | 03:52:54 | -25.9 | Dark | Down | 69.3 | 170.8 | Up | 03:37:54 - 04:07:54 | 856 |
| PNWRO | 03:52:53 | -26.1 | Dark | Down | 69.6 | 171.2 | Up | 03:37:53 - 04:07:53 | 830 |
| Goldendale | 03:53:06 | -24.8 | Dark | Down | 69.5 | 166.4 | Up | 03:38:06 - 04:08:06 | 816 |
| The Dalles | 03:53:09 | -24.6 | Dark | Down | 69.6 | 165.3 | Up | 03:38:09 - 04:08:09 | 794 |
| Maupin | 03:53:08 | -24.8 | Dark | Down | 70.1 | 165.3 | Up | 03:38:08 - 04:08:08 | 750 |
| Sisters | 03:53:12 | -24.6 | Dark | Down | 70.8 | 163.4 | Up | 03:38:12 - 04:08:12 | 660 |
| Redmond | 03:53:10 | -24.9 | Dark | Down | 70.9 | 164.4 | Up | 03:38:10 - 04:08:10 | 656 |
| Bend | 03:53:10 | -24.8 | Dark | Down | 71.1 | 163.8 | Up | 03:38:10 - 04:08:10 | 634 |
| Oregon Observatory | 03:53:12 | -24.7 | Dark | Down | 71.3 | 163.4 | Up | 03:38:12 - 04:08:12 | 616 |
| La Pine/Gilchrist | 03:53:12 | -24.7 | Dark | Down | 71.4 | 163.0 | Up | 03:38:12 - 04:08:12 | 595 |
| North Lake | 03:53:08 | -25.2 | Dark | Down | 72.0 | 164.3 | Up | 03:38:08 - 04:08:08 | 547 |
| Paisley | 03:53:06 | -25.5 | Dark | Down | 72.6 | 164.9 | Up | 03:38:06 - 04:08:06 | 487 |
| Klamath Falls | 03:53:16 | -24.7 | Dark | Down | 72.8 | 160.9 | Up | 03:38:16 - 04:08:16 | 442 |
| Lakeview | 03:53:05 | -25.7 | Dark | Down | 73.1 | 165.0 | Up | 03:38:05 - 04:08:05 | 432 |
| Cedarville | 03:53:04 | -25.9 | Dark | Down | 73.8 | 165.0 | Up | 03:38:04 - 04:08:04 | 362 |
| Fall River/Burney | 03:53:14 | -25.1 | Dark | Down | 74.0 | 160.7 | Up | 03:38:14 - 04:08:14 | 315 |
| Susanville | 03:53:09 | -25.7 | Dark | Down | 74.7 | 162.3 | Up | 03:38:09 - 04:08:09 | 244 |
| Niwot | 03:51:16 | -37.0 | Dark | Down | 73.4 | 213.0 | Up | 03:36:16 - 04:06:16 | 225 |
| Greenville | 03:53:11 | -25.6 | Dark | Down | 74.9 | 161.1 | Up | 03:38:11 - 04:08:11 | 216 |
| Gimple | 03:53:10 | -25.6 | Dark | Down | 75.0 | 161.3 | Up | 03:38:10 - 04:08:10 | 215 |
| SwRI | 03:51:17 | -37.0 | Dark | Down | 73.6 | 212.9 | Up | 03:36:17 - 04:06:17 | 213 |
| Quincy | 03:53:11 | -25.6 | Dark | Down | 75.1 | 160.8 | Up | 03:38:11 - 04:08:11 | 194 |
| Portola | 03:53:08 | -26.0 | Dark | Down | 75.4 | 162.3 | Up | 03:38:08 - 04:08:08 | 178 |
| Reno | 03:53:03 | -26.5 | Dark | Down | 75.7 | 164.2 | Up | 03:38:03 - 04:08:03 | 148 |
| Carson City | 03:53:03 | -26.5 | Dark | Down | 76.1 | 163.9 | Up | 03:38:03 - 04:08:03 | 109 |
| Yerington | 03:52:58 | -27.0 | Dark | Down | 76.4 | 165.9 | Up | 03:37:58 - 04:07:58 | 86 |
| Gardnerville | 03:53:03 | -26.6 | Dark | Down | 76.3 | 163.8 | Up | 03:38:03 - 04:08:03 | 82 |
| Hawthorne | 03:52:55 | -27.5 | Dark | Down | 77.0 | 167.5 | Up | 03:37:55 - 04:07:55 | 34 |
| Tonopah | 03:52:44 | -28.6 | Dark | Down | 77.6 | 172.6 | Up | 03:37:44 - 04:07:44 | -20 |
| Lee Vining | 03:52:59 | -27.2 | Dark | Down | 77.4 | 165.0 | Up | 03:37:59 - 04:07:59 | -26 |
| Bishop | 03:52:53 | -27.8 | Dark | Down | 78.1 | 167.2 | Up | 03:37:53 - 04:07:53 | -93 |
| Beatty | 03:52:41 | -29.1 | Dark | Down | 78.8 | 173.9 | Up | 03:37:41 - 04:07:41 | -146 |
| Indian Springs | 03:52:33 | -30.0 | Dark | Down | 79.2 | 178.8 | Up | 03:37:33 - 04:07:33 | -183 |
| Henderson | 03:52:28 | -30.6 | Dark | Down | 79.7 | 182.1 | Up | 03:37:28 - 04:07:28 | -242 |
| Searchlight/Boulder City | 03:52:27 | -30.7 | Dark | Down | 80.3 | 182.5 | Up | 03:37:27 - 04:07:27 | -305 |
| CPSLO | 03:53:12 | -26.3 | Dark | Down | 79.5 | 154.1 | Up | 03:38:12 - 04:08:12 | -310 |
| Patrick | 03:52:19 | -31.6 | Dark | Down | 80.3 | 188.0 | Up | 03:37:19 - 04:07:19 | -311 |
| Kingman/Dolan Springs | 03:52:20 | -31.5 | Dark | Down | 80.5 | 187.2 | Up | 03:37:20 - 04:07:20 | -335 |
| Laughlin/Bullhead City | 03:52:24 | -31.1 | Dark | Down | 80.6 | 184.4 | Up | 03:37:24 - 04:07:24 | -338 |
| DCO | 03:52:13 | -32.2 | Dark | Down | 80.5 | 191.9 | Up | 03:37:13 - 04:07:13 | -344 |
| Mohave Valley | 03:52:25 | -31.1 | Dark | Down | 80.8 | 184.6 | Up | 03:37:25 - 04:07:25 | -367 |
| Lake Havasu City | 03:52:23 | -31.3 | Dark | Down | 81.2 | 186.2 | Up | 03:37:23 - 04:07:23 | -411 |
| Wildwood | 03:52:56 | -28.0 | Dark | Down | 81.2 | 161.4 | Up | 03:37:56 - 04:07:56 | -449 |
| Parker | 03:52:22 | -31.4 | Dark | Down | 81.6 | 186.7 | Up | 03:37:22 - 04:07:22 | -450 |
| Idyllwild | 03:52:41 | -29.5 | Dark | Down | 81.9 | 171.9 | Up | 03:37:41 - 04:07:41 | -493 |
| George/Scottsdale | 03:52:03 | -33.4 | Dark | Down | 81.5 | 201.5 | Up | 03:37:03 - 04:07:03 | -495 |
| Blythe | 03:52:25 | -31.2 | Dark | Down | 82.1 | 185.2 | Up | 03:37:25 - 04:07:25 | -508 |
| Calipatria | 03:52:32 | -30.6 | Dark | Down | 82.6 | 179.2 | Up | 03:37:32 - 04:07:32 | -561 |
| Yuma | 03:52:25 | -31.3 | Dark | Down | 83.0 | 185.6 | Up | 03:37:25 - 04:07:25 | -609 |
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 14QY441, (2028/02/19 03:52UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 18.51 159 Alnath 05:26:17.5 +28:36:23 1.6 9.16 178 139 Tau 05:57:59.6 +25:57:14 4.7 1.69 172 PPM 095354 06:05:05.6 +25:48:03 8.2 0.09 170 14QY441 06:05:25.8 +25:45:00 15.2 170 Positions are for J2000
Event circumstances last updated at 2020/11/06 22:44:01 UT
Marc W. Buie, Southwest Research Institute