Event between 15TP362 and star GA0880:00157146 with event index number of 1983381
Geocentric closest approach at 2021/11/18 09:24:47 UTC
J2000 position of star is 01:54:51.0 -01:36:49
Equinox of date position of star is 01:55:57.6 -01:30:27
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 22 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 39.5 AU from the Sun
and 38.6 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 133 seconds.
The 1-sigma cross-track error in the shadow position is
1756 km.
The sky-plane scale is
28020.9 km/arcsec.
The TNO has an absolute magnitude Hv=7.0
Diameter=207.0 km assuming a 5% albedo -- 11.4 sec chord
Diameter=84.5 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 15TP362, (2021/11/18 09:28UT) Object RA Dec mag sep mel Aldebaran 04:37:10.7 +16:33:06 0.8 43.67 24 68Omi Cet 02:20:27.2 -02:52:46 2.0 6.27 20 60 Cet 02:04:19.1 +00:13:59 5.4 2.72 20 PPM 174990 01:54:12.9 -01:13:19 7.6 0.52 22 PPM 174998 01:55:58.0 -01:23:04 9.0 0.12 22 15TP362 01:55:57.9 -01:30:25 16.9 22 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 23.1 km
RECON observability=1.0 and success probability=26.4%
| 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 | 09:21:09 | -53.4 | Dark | Up | 23.0 | 236.1 | Low | 09:09:35 - 09:32:42 | 1815 |
| Kelowna | 09:21:08 | -53.7 | Dark | Up | 23.3 | 236.1 | Low | 09:09:35 - 09:32:42 | 1783 |
| Peachland | 09:21:09 | -53.9 | Dark | Up | 23.5 | 235.9 | Low | 09:09:35 - 09:32:42 | 1779 |
| Summerland | 09:21:08 | -54.0 | Dark | Up | 23.5 | 236.0 | Low | 09:09:35 - 09:32:42 | 1764 |
| Penticton | 09:21:08 | -54.0 | Dark | Up | 23.5 | 236.2 | Low | 09:09:35 - 09:32:42 | 1756 |
| Victoria | 09:21:15 | -56.4 | Dark | Up | 26.1 | 233.0 | Low | 09:09:41 - 09:32:48 | 1738 |
| Oliver | 09:21:07 | -54.3 | Dark | Up | 23.7 | 236.3 | Low | 09:09:34 - 09:32:41 | 1725 |
| Anarchist Mountain Observatory | 09:21:07 | -54.3 | Dark | Up | 23.7 | 236.5 | Low | 09:09:34 - 09:32:41 | 1706 |
| Tonasket | 09:21:07 | -54.6 | Dark | Up | 23.9 | 236.6 | Low | 09:09:33 - 09:32:40 | 1679 |
| Okanogan | 09:21:06 | -54.9 | Dark | Up | 24.2 | 236.6 | Low | 09:09:33 - 09:32:40 | 1652 |
| Brewster | 09:21:06 | -55.2 | Dark | Up | 24.4 | 236.5 | Low | 09:09:33 - 09:32:40 | 1631 |
| Manson/Chelan | 09:21:07 | -55.5 | Dark | Up | 24.7 | 236.2 | Low | 09:09:33 - 09:32:40 | 1619 |
| Wenatchee | 09:21:06 | -55.9 | Dark | Up | 25.1 | 236.3 | Low | 09:09:33 - 09:32:40 | 1579 |
| Ellensburg | 09:21:06 | -56.3 | Dark | Up | 25.4 | 236.2 | Low | 09:09:33 - 09:32:40 | 1546 |
| Yakima | 09:21:06 | -56.7 | Dark | Up | 25.7 | 236.4 | Low | 09:09:32 - 09:32:39 | 1509 |
| Toppenish/White Swan | 09:21:05 | -56.7 | Dark | Up | 25.7 | 236.6 | Low | 09:09:32 - 09:32:39 | 1486 |
| Pasco | 09:21:02 | -56.2 | Dark | Up | 25.0 | 237.8 | Low | 09:09:29 - 09:32:36 | 1451 |
| Goldendale | 09:21:05 | -57.3 | Dark | Up | 26.3 | 236.4 | Low | 09:09:32 - 09:32:39 | 1444 |
| The Dalles | 09:21:06 | -57.7 | Dark | Up | 26.6 | 236.2 | Low | 09:09:32 - 09:32:39 | 1430 |
| PNWRO | 09:21:02 | -56.3 | Dark | Up | 25.0 | 238.1 | Low | 09:09:28 - 09:32:35 | 1423 |
| Maupin | 09:21:05 | -57.9 | Dark | Up | 26.8 | 236.5 | Low | 09:09:32 - 09:32:39 | 1390 |
| Sisters | 09:21:05 | -58.8 | Dark | Up | 27.5 | 236.4 | Low | 09:09:32 - 09:32:39 | 1318 |
| Redmond | 09:21:04 | -58.6 | Dark | Up | 27.3 | 236.8 | Low | 09:09:31 - 09:32:38 | 1308 |
| Bend | 09:21:04 | -58.8 | Dark | Up | 27.5 | 236.7 | Low | 09:09:31 - 09:32:38 | 1291 |
| Oregon Observatory | 09:21:04 | -59.0 | Dark | Up | 27.7 | 236.7 | Low | 09:09:31 - 09:32:38 | 1277 |
| La Pine/Gilchrist | 09:21:04 | -59.2 | Dark | Up | 27.8 | 236.7 | Low | 09:09:31 - 09:32:38 | 1259 |
| North Lake | 09:21:02 | -59.2 | Dark | Up | 27.7 | 237.5 | Low | 09:09:29 - 09:32:36 | 1206 |
| Chiloquin | 09:21:04 | -60.2 | Dark | Up | 28.7 | 236.9 | Low | 09:09:30 - 09:32:37 | 1162 |
| Paisley | 09:21:01 | -59.4 | Dark | Up | 27.8 | 238.0 | Low | 09:09:27 - 09:32:34 | 1146 |
| Klamath Falls | 09:21:03 | -60.4 | Dark | Up | 28.8 | 237.1 | Low | 09:09:30 - 09:32:37 | 1127 |
| Lakeview | 09:21:00 | -59.6 | Dark | Up | 27.9 | 238.4 | Low | 09:09:26 - 09:32:33 | 1094 |
| Cedarville | 09:20:59 | -60.0 | Dark | Up | 28.2 | 238.9 | Low | 09:09:25 - 09:32:32 | 1027 |
| Fall River/Burney | 09:21:01 | -61.0 | Dark | Up | 29.2 | 238.0 | Low | 09:09:28 - 09:32:35 | 1007 |
| Susanville | 09:20:59 | -61.0 | Dark | Up | 29.1 | 239.0 | Low | 09:09:25 - 09:32:32 | 930 |
| Greenville | 09:20:59 | -61.3 | Dark | Up | 29.4 | 238.8 | Low | 09:09:26 - 09:32:33 | 909 |
| Gimple | 09:20:59 | -61.3 | Dark | Up | 29.3 | 238.9 | Low | 09:09:25 - 09:32:32 | 907 |
| Quincy | 09:20:59 | -61.4 | Dark | Up | 29.5 | 238.9 | Low | 09:09:25 - 09:32:32 | 890 |
| Portola | 09:20:58 | -61.2 | Dark | Up | 29.3 | 239.4 | Low | 09:09:24 - 09:32:31 | 867 |
| Reno | 09:20:56 | -61.0 | Dark | Up | 29.0 | 240.1 | Low | 09:09:22 - 09:32:29 | 827 |
| Carson City | 09:20:55 | -61.2 | Dark | Up | 29.1 | 240.3 | Low | 09:09:22 - 09:32:29 | 792 |
| Gardnerville | 09:20:55 | -61.3 | Dark | Up | 29.2 | 240.4 | Low | 09:09:22 - 09:32:29 | 767 |
| Yerington | 09:20:54 | -60.9 | Dark | Up | 28.8 | 240.9 | Low | 09:09:20 - 09:32:27 | 759 |
| Hawthorne | 09:20:52 | -60.9 | Dark | Up | 28.7 | 241.6 | Low | 09:09:19 - 09:32:26 | 702 |
| Lee Vining | 09:20:53 | -61.5 | Dark | Up | 29.3 | 241.4 | Low | 09:09:19 - 09:32:26 | 656 |
| Dunrhomin | 09:20:27 | -50.9 | Dark | Up | 18.5 | 251.2 | Really Low | 09:08:53 - 09:32:00 | 628 |
| Tonopah | 09:20:48 | -60.2 | Dark | Up | 27.9 | 242.9 | Low | 09:09:15 - 09:32:22 | 625 |
| Bishop | 09:20:50 | -61.3 | Dark | Up | 29.1 | 242.3 | Low | 09:09:17 - 09:32:24 | 581 |
| Beatty | 09:20:46 | -60.5 | Dark | Up | 28.1 | 243.8 | Low | 09:09:13 - 09:32:20 | 500 |
| Indian Springs | 09:20:43 | -59.9 | Dark | Up | 27.5 | 244.8 | Low | 09:09:10 - 09:32:17 | 444 |
| CPSLO | 09:20:55 | -64.0 | Dark | Up | 31.6 | 241.5 | Up | 09:09:21 - 09:32:28 | 425 |
| Henderson | 09:20:41 | -59.6 | Dark | Up | 27.2 | 245.6 | Low | 09:09:08 - 09:32:15 | 376 |
| Patrick | 09:20:38 | -59.1 | Dark | Up | 26.6 | 246.7 | Low | 09:09:05 - 09:32:12 | 289 |
| Laughlin/Bullhead City | 09:20:40 | -59.7 | Dark | Up | 27.3 | 246.3 | Low | 09:09:06 - 09:32:13 | 278 |
| Kingman/Dolan Springs | 09:20:39 | -59.3 | Dark | Up | 26.9 | 246.7 | Low | 09:09:05 - 09:32:12 | 270 |
| Wildwood | 09:20:49 | -63.1 | Dark | Up | 30.7 | 243.8 | Up | 09:09:15 - 09:32:22 | 256 |
| Mohave Valley | 09:20:40 | -59.8 | Dark | Up | 27.4 | 246.4 | Low | 09:09:06 - 09:32:13 | 250 |
| Lake Havasu City | 09:20:39 | -59.8 | Dark | Up | 27.3 | 246.8 | Low | 09:09:05 - 09:32:12 | 204 |
| Idyllwild | 09:20:44 | -61.9 | Dark | Up | 29.4 | 245.4 | Low | 09:09:10 - 09:32:17 | 177 |
| Parker | 09:20:38 | -59.9 | Dark | Up | 27.5 | 247.0 | Low | 09:09:05 - 09:32:12 | 167 |
| Blythe | 09:20:39 | -60.3 | Dark | Up | 27.9 | 247.0 | Low | 09:09:05 - 09:32:12 | 119 |
| Calipatria | 09:20:41 | -61.2 | Dark | Up | 28.8 | 246.6 | Low | 09:09:07 - 09:32:14 | 89 |
| George/Scottsdale | 09:20:33 | -58.1 | Dark | Up | 25.8 | 248.9 | Low | 09:08:59 - 09:32:06 | 74 |
| Yuma | 09:20:38 | -60.6 | Dark | Up | 28.3 | 247.5 | Low | 09:09:05 - 09:32:12 | 25 |
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 15TP362, (2021/11/18 09:28UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 43.67 24 68Omi Cet 02:19:20.8 -02:58:45 2.0 6.27 20 60 Cet 02:03:11.8 +00:07:43 5.4 2.72 20 PPM 174990 01:53:05.9 -01:19:45 7.6 0.52 22 PPM 174998 01:54:51.0 -01:29:29 9.0 0.12 22 15TP362 01:54:51.0 -01:36:49 16.9 22 Positions are for J2000
Event circumstances last updated at 2021/10/08 00:57:20 UT
Marc W. Buie, Southwest Research Institute