Event between 13TM172 and star GA0960:00091997 with event index number of 2465493
Geocentric closest approach at 2021/11/30 02:42:05 UTC
J2000 position of star is 01:01:43.6 +07:25:07
Equinox of date position of star is 01:02:51.6 +07:32:07
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 172 degrees from the moon.
Moon is 24% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 36.7 AU from the Sun
and 36.0 AU from the Earth.
The TNO is moving 13.1
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 220 seconds.
The 1-sigma cross-track error in the shadow position is
2369 km.
The sky-plane scale is
26130.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.7
Diameter=144.5 km assuming a 5% albedo -- 13.3 sec chord
Diameter=59.0 km assuming a 30% albedo -- 5.4 sec chord
Dynamical classification is SCATNEAR
Star training set for 13TM172, (2021/11/30 02:41UT) Object RA Dec mag sep mel Algenib 00:14:22.0 +15:18:19 2.8 14.19 163 71Eps Psc 01:04:05.0 +08:00:27 4.3 0.56 171 PPM 144201 01:03:57.8 +07:37:05 7.8 0.28 171 PPM 144174 01:02:48.0 +07:25:22 8.7 0.11 172 13TM172 01:02:52.0 +07:32:10 16.9 171 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
4.1 sigma about the mid-time.
The median site spacing is 19.6 km
RECON observability=1.0 and success probability=7.1%
| 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 | 02:42:22 | -25.4 | Dark | Down | 42.4 | 145.5 | Up | 02:27:22 - 02:57:22 | 5321 |
| Victoria | 02:42:57 | -22.7 | Dark | Down | 42.2 | 139.7 | Up | 02:27:57 - 02:57:57 | 5304 |
| Kelowna | 02:42:33 | -25.3 | Dark | Down | 42.7 | 145.2 | Up | 02:27:33 - 02:57:33 | 5298 |
| Peachland | 02:42:35 | -25.1 | Dark | Down | 42.7 | 144.7 | Up | 02:27:35 - 02:57:35 | 5298 |
| Summerland | 02:42:35 | -25.2 | Dark | Down | 42.8 | 144.8 | Up | 02:27:35 - 02:57:35 | 5286 |
| Penticton | 02:42:34 | -25.2 | Dark | Down | 42.9 | 144.9 | Up | 02:27:34 - 02:57:34 | 5279 |
| Oliver | 02:42:37 | -25.2 | Dark | Down | 43.2 | 144.7 | Up | 02:27:37 - 02:57:37 | 5255 |
| Anarchist Mountain Observatory | 02:42:37 | -25.3 | Dark | Down | 43.4 | 144.9 | Up | 02:27:37 - 02:57:37 | 5239 |
| Tonasket | 02:42:37 | -25.2 | Dark | Down | 43.6 | 144.6 | Up | 02:27:37 - 02:57:37 | 5220 |
| Okanogan | 02:42:40 | -25.1 | Dark | Down | 43.9 | 144.2 | Up | 02:27:40 - 02:57:40 | 5201 |
| Brewster | 02:42:43 | -25.0 | Dark | Down | 44.0 | 143.8 | Up | 02:27:43 - 02:57:43 | 5187 |
| Manson/Chelan | 02:42:45 | -24.7 | Dark | Down | 44.0 | 143.3 | Up | 02:27:45 - 02:57:45 | 5182 |
| Wenatchee | 02:42:48 | -24.6 | Dark | Down | 44.3 | 142.8 | Up | 02:27:48 - 02:57:48 | 5153 |
| Ellensburg | 02:42:51 | -24.4 | Dark | Down | 44.6 | 142.3 | Up | 02:27:51 - 02:57:51 | 5130 |
| Yakima | 02:42:53 | -24.3 | Dark | Down | 44.9 | 142.0 | Up | 02:27:53 - 02:57:53 | 5102 |
| Toppenish/White Swan | 02:42:52 | -24.4 | Dark | Down | 45.1 | 142.1 | Up | 02:27:52 - 02:57:52 | 5082 |
| Goldendale | 02:42:58 | -24.1 | Dark | Down | 45.4 | 141.2 | Up | 02:27:58 - 02:57:58 | 5054 |
| The Dalles | 02:43:00 | -23.8 | Dark | Down | 45.4 | 140.6 | Up | 02:28:00 - 02:58:00 | 5047 |
| Pasco | 02:42:47 | -25.3 | Dark | Down | 45.8 | 143.6 | Up | 02:27:47 - 02:57:47 | 5041 |
| PNWRO | 02:42:48 | -25.4 | Dark | Down | 46.1 | 143.8 | Up | 02:27:48 - 02:57:48 | 5018 |
| Maupin | 02:43:02 | -23.8 | Dark | Down | 45.8 | 140.5 | Up | 02:28:02 - 02:58:02 | 5015 |
| Sisters | 02:43:08 | -23.4 | Dark | Down | 46.3 | 139.3 | Up | 02:28:08 - 02:58:08 | 4964 |
| Redmond | 02:43:06 | -23.7 | Dark | Down | 46.5 | 139.8 | Up | 02:28:06 - 02:58:06 | 4952 |
| Bend | 02:43:07 | -23.5 | Dark | Down | 46.6 | 139.5 | Up | 02:28:07 - 02:58:07 | 4940 |
| Oregon Observatory | 02:43:09 | -23.4 | Dark | Down | 46.6 | 139.2 | Up | 02:28:09 - 02:58:09 | 4931 |
| La Pine/Gilchrist | 02:43:10 | -23.3 | Dark | Down | 46.8 | 139.0 | Up | 02:28:10 - 02:58:10 | 4917 |
| North Lake | 02:43:10 | -23.7 | Dark | Down | 47.4 | 139.5 | Up | 02:28:10 - 02:58:10 | 4869 |
| Chiloquin | 02:43:17 | -22.9 | Dark | Down | 47.4 | 137.8 | Up | 02:28:17 - 02:58:17 | 4844 |
| Paisley | 02:43:10 | -23.9 | Dark | Down | 48.0 | 139.6 | Up | 02:28:10 - 02:58:10 | 4818 |
| Klamath Falls | 02:43:19 | -23.0 | Dark | Down | 47.7 | 137.7 | Up | 02:28:19 - 02:58:19 | 4816 |
| Lakeview | 02:43:12 | -24.0 | Dark | Down | 48.4 | 139.4 | Up | 02:28:12 - 02:58:12 | 4775 |
| Cedarville | 02:43:13 | -24.0 | Dark | Down | 49.0 | 139.2 | Up | 02:28:13 - 02:58:13 | 4720 |
| Fall River/Burney | 02:43:22 | -23.1 | Dark | Down | 48.8 | 137.3 | Up | 02:28:22 - 02:58:22 | 4716 |
| Susanville | 02:43:20 | -23.5 | Dark | Down | 49.6 | 137.7 | Up | 02:28:20 - 02:58:20 | 4646 |
| Greenville | 02:43:24 | -23.3 | Dark | Down | 49.7 | 137.2 | Up | 02:28:24 - 02:58:24 | 4633 |
| Gimple | 02:43:24 | -23.3 | Dark | Down | 49.7 | 137.3 | Up | 02:28:24 - 02:58:24 | 4630 |
| Quincy | 02:43:25 | -23.2 | Dark | Down | 49.9 | 137.0 | Up | 02:28:25 - 02:58:25 | 4617 |
| Portola | 02:43:23 | -23.6 | Dark | Down | 50.2 | 137.5 | Up | 02:28:23 - 02:58:23 | 4594 |
| Reno | 02:43:20 | -24.0 | Dark | Down | 50.7 | 138.1 | Up | 02:28:20 - 02:58:20 | 4554 |
| Carson City | 02:43:22 | -24.0 | Dark | Down | 51.0 | 137.9 | Up | 02:28:22 - 02:58:22 | 4525 |
| Gardnerville | 02:43:22 | -24.0 | Dark | Down | 51.2 | 137.8 | Up | 02:28:22 - 02:58:22 | 4504 |
| Yerington | 02:43:19 | -24.4 | Dark | Down | 51.5 | 138.6 | Up | 02:28:19 - 02:58:19 | 4491 |
| Hawthorne | 02:43:19 | -24.8 | Dark | Down | 52.1 | 138.9 | Up | 02:28:19 - 02:58:19 | 4439 |
| Lee Vining | 02:43:23 | -24.3 | Dark | Down | 52.3 | 137.8 | Up | 02:28:23 - 02:58:23 | 4407 |
| Tonopah | 02:43:12 | -25.8 | Dark | Down | 53.1 | 140.5 | Up | 02:28:12 - 02:58:12 | 4360 |
| Bishop | 02:43:21 | -24.8 | Dark | Down | 53.1 | 138.2 | Up | 02:28:21 - 02:58:21 | 4336 |
| Beatty | 02:43:14 | -26.0 | Dark | Down | 54.3 | 140.1 | Up | 02:28:14 - 02:58:14 | 4250 |
| CPSLO | 02:43:42 | -22.7 | Dark | Down | 53.3 | 133.4 | Up | 02:28:42 - 02:58:42 | 4231 |
| Dunrhomin | 02:41:54 | -35.0 | Dark | Down | 55.7 | 160.5 | Up | 02:26:54 - 02:56:54 | 4202 |
| Indian Springs | 02:43:10 | -26.8 | Dark | Down | 55.1 | 141.4 | Up | 02:28:10 - 02:58:10 | 4191 |
| Henderson | 02:43:07 | -27.2 | Dark | Down | 55.8 | 141.9 | Up | 02:28:07 - 02:58:07 | 4125 |
| Wildwood | 02:43:37 | -24.1 | Dark | Down | 55.4 | 134.9 | Up | 02:28:37 - 02:58:37 | 4066 |
| Patrick | 02:43:03 | -28.0 | Dark | Down | 56.9 | 143.1 | Up | 02:28:03 - 02:58:03 | 4038 |
| Laughlin/Bullhead City | 02:43:08 | -27.4 | Dark | Down | 56.7 | 141.8 | Up | 02:28:08 - 02:58:08 | 4037 |
| Kingman/Dolan Springs | 02:43:06 | -27.9 | Dark | Down | 57.0 | 142.6 | Up | 02:28:06 - 02:58:06 | 4024 |
| Mohave Valley | 02:43:10 | -27.4 | Dark | Down | 56.9 | 141.5 | Up | 02:28:10 - 02:58:10 | 4013 |
| Idyllwild | 02:43:27 | -25.5 | Dark | Down | 56.7 | 137.2 | Up | 02:28:27 - 02:58:27 | 3978 |
| Lake Havasu City | 02:43:10 | -27.6 | Dark | Down | 57.4 | 141.5 | Up | 02:28:10 - 02:58:10 | 3971 |
| Parker | 02:43:11 | -27.5 | Dark | Down | 57.7 | 141.3 | Up | 02:28:11 - 02:58:11 | 3940 |
| Blythe | 02:43:14 | -27.2 | Dark | Down | 57.9 | 140.3 | Up | 02:28:14 - 02:58:14 | 3903 |
| Calipatria | 02:43:21 | -26.4 | Dark | Down | 57.8 | 138.4 | Up | 02:28:21 - 02:58:21 | 3888 |
| George/Scottsdale | 02:42:57 | -29.4 | Dark | Down | 59.2 | 144.7 | Up | 02:27:57 - 02:57:57 | 3828 |
| Yuma | 02:43:18 | -27.0 | Dark | Down | 58.6 | 139.3 | Up | 02:28:18 - 02:58:18 | 3822 |
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 13TM172, (2021/11/30 02:41UT) Object RA Dec mag sep mel Algenib 00:13:14.2 +15:11:01 2.8 14.19 163 71Eps Psc 01:02:56.5 +07:53:25 4.3 0.56 171 PPM 144201 01:02:49.4 +07:30:02 7.8 0.28 171 PPM 144174 01:01:39.6 +07:18:19 8.7 0.11 172 13TM172 01:01:43.6 +07:25:07 16.9 172 Positions are for J2000
Event circumstances last updated at 2021/10/05 01:11:46 UT
Marc W. Buie, Southwest Research Institute