Event between 11VZ24 and star GA0920:00544254 with event index number of 1574369
Geocentric closest approach at 2021/01/01 10:23:12 UTC
J2000 position of star is 05:00:03.5 +02:58:40
Equinox of date position of star is 05:01:09.4 +03:00:28
Stellar brightness G=16.5,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 58 degrees from the moon.
Moon is 94% illuminated.
TNO apparent brightness V=22.5
[RECON map]
TNO is 35.9 AU from the Sun
and 35.0 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 58 seconds.
The 1-sigma cross-track error in the shadow position is
1270 km.
The sky-plane scale is
25401.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.9
Diameter=246.6 km assuming a 5% albedo -- 11.3 sec chord
Diameter=100.7 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 11VZ24, (2021/01/01 10:23UT) Object RA Dec mag sep mel Rigel 05:15:32.9 -08:10:44 0.1 11.75 60 Bellatrix 05:26:15.5 +06:22:01 1.6 7.10 51 10Pi 6Ori 04:59:38.2 +01:44:41 6.0 1.32 59 PPM 148296 05:01:45.9 +03:17:42 8.2 0.32 58 PPM 148277 05:00:48.0 +02:49:36 10.0 0.20 58 11VZ24 05:01:09.5 +03:00:28 16.5 58 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 19.5 km
RECON observability=0.9 and success probability=29.8%
| 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 | 10:20:37 | -51.5 | Dark | Up | 19.8 | 249.7 | Really Low | 10:15:16 - 10:25:58 | 819 |
| Kelowna | 10:20:35 | -51.8 | Dark | Up | 20.0 | 249.7 | Low | 10:15:14 - 10:25:56 | 791 |
| Peachland | 10:20:36 | -52.0 | Dark | Up | 20.2 | 249.5 | Low | 10:15:15 - 10:25:57 | 782 |
| Summerland | 10:20:35 | -52.0 | Dark | Up | 20.2 | 249.7 | Low | 10:15:14 - 10:25:56 | 772 |
| Penticton | 10:20:34 | -52.0 | Dark | Up | 20.2 | 249.8 | Low | 10:15:13 - 10:25:55 | 767 |
| Oliver | 10:20:33 | -52.2 | Dark | Up | 20.3 | 249.9 | Low | 10:15:12 - 10:25:54 | 742 |
| Anarchist Mountain Observatory | 10:20:32 | -52.2 | Dark | Up | 20.3 | 250.1 | Low | 10:15:11 - 10:25:53 | 731 |
| Tonasket | 10:20:31 | -52.4 | Dark | Up | 20.4 | 250.2 | Low | 10:15:10 - 10:25:52 | 708 |
| Okanogan | 10:20:30 | -52.6 | Dark | Up | 20.6 | 250.1 | Low | 10:15:09 - 10:25:51 | 683 |
| Victoria | 10:20:37 | -54.7 | Dark | Up | 22.9 | 246.9 | Low | 10:15:16 - 10:25:58 | 675 |
| Brewster | 10:20:30 | -52.9 | Dark | Up | 20.8 | 250.1 | Low | 10:15:09 - 10:25:51 | 662 |
| Manson/Chelan | 10:20:30 | -53.2 | Dark | Up | 21.1 | 249.8 | Low | 10:15:09 - 10:25:51 | 645 |
| Entiat | 10:20:29 | -53.4 | Dark | Up | 21.3 | 249.9 | Low | 10:15:08 - 10:25:50 | 629 |
| Wenatchee | 10:20:28 | -53.6 | Dark | Up | 21.4 | 249.9 | Low | 10:15:07 - 10:25:49 | 609 |
| Ellensburg | 10:20:27 | -53.9 | Dark | Up | 21.7 | 249.8 | Low | 10:15:06 - 10:25:48 | 578 |
| Yakima | 10:20:26 | -54.1 | Dark | Up | 21.9 | 250.0 | Low | 10:15:05 - 10:25:47 | 547 |
| Toppenish/White Swan | 10:20:25 | -54.1 | Dark | Up | 21.8 | 250.2 | Low | 10:15:04 - 10:25:46 | 532 |
| Pasco | 10:20:22 | -53.4 | Dark | Up | 21.0 | 251.3 | Low | 10:15:01 - 10:25:43 | 529 |
| PNWRO | 10:20:21 | -53.4 | Dark | Up | 21.0 | 251.5 | Low | 10:15:00 - 10:25:42 | 511 |
| Goldendale | 10:20:24 | -54.7 | Dark | Up | 22.3 | 250.0 | Low | 10:15:03 - 10:25:45 | 488 |
| The Dalles | 10:20:24 | -55.0 | Dark | Up | 22.6 | 249.8 | Low | 10:15:03 - 10:25:45 | 468 |
| Maupin | 10:20:22 | -55.1 | Dark | Up | 22.7 | 250.1 | Low | 10:15:01 - 10:25:43 | 437 |
| Redmond | 10:20:19 | -55.6 | Dark | Up | 23.1 | 250.3 | Low | 10:14:58 - 10:25:40 | 366 |
| Sisters | 10:20:20 | -55.9 | Dark | Up | 23.3 | 250.0 | Low | 10:14:59 - 10:25:41 | 366 |
| Bend | 10:20:19 | -55.8 | Dark | Up | 23.2 | 250.3 | Low | 10:14:58 - 10:25:40 | 349 |
| Oregon Observatory | 10:20:19 | -56.0 | Dark | Up | 23.4 | 250.3 | Low | 10:14:58 - 10:25:40 | 334 |
| La Pine/Gilchrist | 10:20:18 | -56.1 | Dark | Up | 23.5 | 250.3 | Low | 10:14:57 - 10:25:39 | 318 |
| North Lake | 10:20:16 | -55.9 | Dark | Up | 23.2 | 251.0 | Low | 10:14:55 - 10:25:37 | 286 |
| Paisley | 10:20:13 | -55.9 | Dark | Up | 23.2 | 251.5 | Low | 10:14:52 - 10:25:34 | 244 |
| Lakeview | 10:20:11 | -56.0 | Dark | Up | 23.2 | 251.8 | Low | 10:14:50 - 10:25:32 | 204 |
| Klamath Falls | 10:20:14 | -56.9 | Dark | Up | 24.2 | 250.7 | Low | 10:14:53 - 10:25:35 | 199 |
| Cedarville | 10:20:09 | -56.1 | Dark | Up | 23.3 | 252.2 | Low | 10:14:48 - 10:25:30 | 151 |
| Niwot | 10:19:43 | -45.6 | Dark | Up | 12.6 | 263.2 | Really Low | 10:14:22 - 10:25:04 | 117 |
| SwRI | 10:19:43 | -45.7 | Dark | Up | 12.7 | 263.2 | Really Low | 10:14:22 - 10:25:04 | 107 |
| Fall River/Burney | 10:20:10 | -57.2 | Dark | Up | 24.3 | 251.5 | Low | 10:14:49 - 10:25:31 | 104 |
| Susanville | 10:20:06 | -56.9 | Dark | Up | 24.0 | 252.3 | Low | 10:14:45 - 10:25:27 | 56 |
| Gimple | 10:20:06 | -57.2 | Dark | Up | 24.2 | 252.3 | Low | 10:14:45 - 10:25:27 | 32 |
| Greenville | 10:20:06 | -57.2 | Dark | Up | 24.3 | 252.2 | Low | 10:14:45 - 10:25:27 | 32 |
| Quincy | 10:20:05 | -57.3 | Dark | Up | 24.3 | 252.3 | Low | 10:14:44 - 10:25:26 | 14 |
| Portola | 10:20:04 | -57.0 | Dark | Up | 24.0 | 252.7 | Low | 10:14:43 - 10:25:25 | 7 |
| Reno | 10:20:02 | -56.6 | Dark | Up | 23.6 | 253.3 | Low | 10:14:41 - 10:25:23 | -12 |
| Carson City | 10:20:01 | -56.7 | Dark | Up | 23.7 | 253.4 | Low | 10:14:40 - 10:25:22 | -42 |
| Yerington | 10:19:59 | -56.3 | Dark | Up | 23.3 | 254.0 | Low | 10:14:38 - 10:25:20 | -55 |
| Gardnerville | 10:20:00 | -56.8 | Dark | Up | 23.8 | 253.6 | Low | 10:14:39 - 10:25:21 | -63 |
| Hawthorne | 10:19:57 | -56.1 | Dark | Up | 23.0 | 254.5 | Low | 10:14:36 - 10:25:18 | -92 |
| Tonopah | 10:19:53 | -55.1 | Dark | Up | 22.1 | 255.7 | Low | 10:14:32 - 10:25:14 | -124 |
| Lee Vining | 10:19:56 | -56.6 | Dark | Up | 23.6 | 254.4 | Low | 10:14:35 - 10:25:17 | -143 |
| Bishop | 10:19:53 | -56.2 | Dark | Up | 23.2 | 255.2 | Low | 10:14:32 - 10:25:14 | -191 |
| Beatty | 10:19:49 | -55.1 | Dark | Up | 22.0 | 256.5 | Low | 10:14:28 - 10:25:10 | -222 |
| Indian Springs | 10:19:46 | -54.3 | Dark | Up | 21.3 | 257.3 | Low | 10:14:25 - 10:25:07 | -244 |
| Henderson | 10:19:43 | -53.9 | Dark | Up | 20.9 | 258.0 | Low | 10:14:22 - 10:25:04 | -287 |
| Patrick | 10:19:40 | -53.1 | Dark | Up | 20.1 | 258.9 | Low | 10:14:19 - 10:25:01 | -336 |
| Searchlight/Boulder City | 10:19:42 | -53.9 | Dark | Up | 20.9 | 258.2 | Low | 10:14:21 - 10:25:03 | -338 |
| Kingman/Dolan Springs | 10:19:39 | -53.3 | Dark | Up | 20.3 | 258.9 | Low | 10:14:18 - 10:25:00 | -357 |
| DCO | 10:19:38 | -52.6 | Dark | Up | 19.6 | 259.5 | Really Low | 10:14:17 - 10:24:59 | -359 |
| Laughlin/Bullhead City | 10:19:40 | -53.7 | Dark | Up | 20.7 | 258.5 | Low | 10:14:19 - 10:25:01 | -363 |
| CPSLO | 10:19:52 | -58.5 | Dark | Up | 25.5 | 254.5 | Low | 10:14:31 - 10:25:13 | -387 |
| Mohave Valley | 10:19:39 | -53.7 | Dark | Up | 20.8 | 258.6 | Low | 10:14:18 - 10:25:00 | -387 |
| Lake Havasu City | 10:19:38 | -53.6 | Dark | Up | 20.7 | 258.9 | Low | 10:14:17 - 10:24:59 | -422 |
| Parker | 10:19:37 | -53.6 | Dark | Up | 20.7 | 259.1 | Low | 10:14:16 - 10:24:58 | -453 |
| George/Scottsdale | 10:19:32 | -51.7 | Dark | Up | 18.8 | 260.7 | Really Low | 10:14:11 - 10:24:53 | -477 |
| Wildwood | 10:19:44 | -57.1 | Dark | Up | 24.2 | 256.4 | Low | 10:14:23 - 10:25:05 | -484 |
| Blythe | 10:19:36 | -53.9 | Dark | Up | 21.0 | 259.1 | Low | 10:14:15 - 10:24:57 | -503 |
| Idyllwild | 10:19:40 | -55.7 | Dark | Up | 22.7 | 257.7 | Low | 10:14:19 - 10:25:01 | -504 |
| Calipatria | 10:19:36 | -54.8 | Dark | Up | 21.9 | 258.7 | Low | 10:14:15 - 10:24:57 | -553 |
| Yuma | 10:19:33 | -54.1 | Dark | Up | 21.3 | 259.4 | Low | 10:14:12 - 10:24:54 | -588 |
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 11VZ24, (2021/01/01 10:23UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 11.75 60 Bellatrix 05:25:07.8 +06:20:58 1.6 7.10 51 10Pi 6Ori 04:58:32.8 +01:42:51 6.0 1.32 59 PPM 148296 05:00:39.8 +03:15:55 8.2 0.32 58 PPM 148277 04:59:42.1 +02:47:47 10.0 0.20 58 11VZ24 05:00:03.5 +02:58:40 16.5 58 Positions are for J2000
Event circumstances last updated at 2020/12/16 21:57:30 UT
Marc W. Buie, Southwest Research Institute