Event between 03UT292 and star GA0960:01293967 with event index number of 1022928
Geocentric closest approach at 2020/12/13 10:46:14 UTC
J2000 position of star is 06:09:57.6 +07:23:00
Equinox of date position of star is 06:11:05.7 +07:22:41
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 149 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=21.5
[RECON map]
TNO is 27.9 AU from the Sun
and 26.9 AU from the Earth.
The TNO is moving 23.5
km/sec on the sky relative to the star, or,
4.3 arcsec/hr.
The 1-sigma error in the time of the event is 42 seconds.
The 1-sigma cross-track error in the shadow position is
977 km.
The sky-plane scale is
19533.0 km/arcsec.
The TNO has an absolute magnitude Hv=7.0
Diameter=235.5 km assuming a 5% albedo -- 10.0 sec chord
Diameter=96.1 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
Star training set for 03UT292, (2020/12/13 10:46UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.4 +07:24:33 0.4 3.67 152 Bellatrix 05:26:15.4 +06:22:01 1.6 11.17 158 PPM 150217 06:18:06.3 +07:02:36 6.4 1.77 147 PPM 149981 06:10:15.4 +07:30:31 7.9 0.25 149 PPM 150026 06:11:55.8 +07:18:54 9.7 0.22 149 03UT292 06:11:05.7 +07:22:41 15.2 149 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 19.2 km
RECON observability=1.0 and success probability=0.6%
| 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 | 10:44:27 | -47.0 | Dark | Down | 39.6 | 222.8 | Up | 10:40:30 - 10:48:25 | 5062 |
| Kelowna | 10:44:28 | -47.2 | Dark | Down | 39.9 | 222.9 | Up | 10:40:30 - 10:48:25 | 5030 |
| Peachland | 10:44:28 | -47.4 | Dark | Down | 40.1 | 222.6 | Up | 10:40:30 - 10:48:25 | 5021 |
| Summerland | 10:44:27 | -47.4 | Dark | Down | 40.2 | 222.8 | Up | 10:40:30 - 10:48:25 | 5008 |
| Penticton | 10:44:27 | -47.4 | Dark | Down | 40.2 | 223.0 | Up | 10:40:30 - 10:48:25 | 5002 |
| Oliver | 10:44:27 | -47.5 | Dark | Down | 40.5 | 223.2 | Up | 10:40:29 - 10:48:24 | 4973 |
| Anarchist Mountain Observatory | 10:44:26 | -47.5 | Dark | Down | 40.5 | 223.5 | Up | 10:40:29 - 10:48:24 | 4958 |
| Tonasket | 10:44:26 | -47.6 | Dark | Down | 40.8 | 223.6 | Up | 10:40:28 - 10:48:23 | 4932 |
| Victoria | 10:44:35 | -50.1 | Dark | Down | 42.6 | 219.0 | Up | 10:40:38 - 10:48:33 | 4919 |
| Okanogan | 10:44:25 | -47.9 | Dark | Down | 41.1 | 223.6 | Up | 10:40:28 - 10:48:23 | 4903 |
| Brewster | 10:44:26 | -48.1 | Dark | Down | 41.4 | 223.5 | Up | 10:40:28 - 10:48:23 | 4880 |
| Manson/Chelan | 10:44:26 | -48.4 | Dark | Down | 41.7 | 223.2 | Up | 10:40:29 - 10:48:24 | 4862 |
| Entiat | 10:44:26 | -48.5 | Dark | Down | 41.9 | 223.3 | Up | 10:40:29 - 10:48:24 | 4843 |
| Wenatchee | 10:44:26 | -48.7 | Dark | Down | 42.1 | 223.3 | Up | 10:40:28 - 10:48:23 | 4821 |
| Ellensburg | 10:44:26 | -48.9 | Dark | Down | 42.5 | 223.3 | Up | 10:40:28 - 10:48:23 | 4785 |
| Yakima | 10:44:25 | -49.1 | Dark | Down | 42.8 | 223.5 | Up | 10:40:28 - 10:48:23 | 4749 |
| Toppenish/White Swan | 10:44:25 | -49.1 | Dark | Down | 42.9 | 223.9 | Up | 10:40:27 - 10:48:22 | 4730 |
| Pasco | 10:44:21 | -48.3 | Dark | Down | 42.4 | 225.4 | Up | 10:40:23 - 10:48:18 | 4719 |
| PNWRO | 10:44:20 | -48.2 | Dark | Down | 42.4 | 225.9 | Up | 10:40:22 - 10:48:17 | 4697 |
| Goldendale | 10:44:25 | -49.5 | Dark | Down | 43.5 | 223.7 | Up | 10:40:28 - 10:48:23 | 4682 |
| The Dalles | 10:44:26 | -49.8 | Dark | Down | 43.8 | 223.5 | Up | 10:40:29 - 10:48:24 | 4662 |
| Maupin | 10:44:25 | -49.9 | Dark | Down | 44.1 | 223.9 | Up | 10:40:27 - 10:48:22 | 4624 |
| Sisters | 10:44:25 | -50.5 | Dark | Down | 45.0 | 223.9 | Up | 10:40:28 - 10:48:23 | 4546 |
| Redmond | 10:44:24 | -50.3 | Dark | Down | 44.8 | 224.4 | Up | 10:40:26 - 10:48:21 | 4543 |
| Bend | 10:44:24 | -50.4 | Dark | Down | 45.0 | 224.3 | Up | 10:40:26 - 10:48:21 | 4524 |
| Oregon Observatory | 10:44:24 | -50.6 | Dark | Down | 45.2 | 224.3 | Up | 10:40:27 - 10:48:22 | 4509 |
| La Pine/Gilchrist | 10:44:24 | -50.7 | Dark | Down | 45.4 | 224.4 | Up | 10:40:27 - 10:48:22 | 4490 |
| North Lake | 10:44:21 | -50.4 | Dark | Down | 45.4 | 225.4 | Up | 10:40:24 - 10:48:19 | 4450 |
| Paisley | 10:44:20 | -50.3 | Dark | Down | 45.6 | 226.2 | Up | 10:40:22 - 10:48:17 | 4399 |
| Klamath Falls | 10:44:23 | -51.3 | Dark | Down | 46.6 | 225.1 | Up | 10:40:26 - 10:48:21 | 4357 |
| Lakeview | 10:44:18 | -50.3 | Dark | Down | 45.8 | 226.8 | Up | 10:40:21 - 10:48:16 | 4352 |
| Cedarville | 10:44:17 | -50.3 | Dark | Down | 46.2 | 227.5 | Up | 10:40:20 - 10:48:15 | 4291 |
| Fall River/Burney | 10:44:21 | -51.3 | Dark | Down | 47.2 | 226.4 | Up | 10:40:23 - 10:48:18 | 4246 |
| Susanville | 10:44:18 | -51.0 | Dark | Down | 47.2 | 227.8 | Up | 10:40:20 - 10:48:15 | 4186 |
| Niwot | 10:43:33 | -39.4 | Dark | Down | 37.7 | 244.0 | Up | 10:39:36 - 10:47:31 | 4173 |
| SwRI | 10:43:33 | -39.5 | Dark | Down | 37.8 | 244.0 | Up | 10:39:36 - 10:47:31 | 4162 |
| Greenville | 10:44:18 | -51.2 | Dark | Down | 47.6 | 227.7 | Up | 10:40:21 - 10:48:16 | 4160 |
| Gimple | 10:44:18 | -51.2 | Dark | Down | 47.5 | 227.8 | Up | 10:40:20 - 10:48:15 | 4160 |
| Quincy | 10:44:18 | -51.3 | Dark | Down | 47.7 | 227.9 | Up | 10:40:20 - 10:48:15 | 4141 |
| Portola | 10:44:17 | -51.0 | Dark | Down | 47.5 | 228.5 | Up | 10:40:19 - 10:48:14 | 4129 |
| Reno | 10:44:14 | -50.5 | Dark | Down | 47.3 | 229.5 | Up | 10:40:16 - 10:48:11 | 4103 |
| Carson City | 10:44:13 | -50.6 | Dark | Down | 47.5 | 229.8 | Up | 10:40:16 - 10:48:11 | 4069 |
| Yerington | 10:44:11 | -50.1 | Dark | Down | 47.3 | 230.7 | Up | 10:40:14 - 10:48:09 | 4050 |
| Gardnerville | 10:44:13 | -50.6 | Dark | Down | 47.7 | 230.1 | Up | 10:40:16 - 10:48:11 | 4045 |
| Hawthorne | 10:44:09 | -49.8 | Dark | Down | 47.3 | 231.7 | Up | 10:40:12 - 10:48:07 | 4005 |
| Tonopah | 10:44:04 | -48.8 | Dark | Down | 46.7 | 233.7 | Up | 10:40:07 - 10:48:02 | 3960 |
| Lee Vining | 10:44:10 | -50.3 | Dark | Down | 47.9 | 231.6 | Up | 10:40:12 - 10:48:07 | 3951 |
| Bishop | 10:44:07 | -49.8 | Dark | Down | 47.8 | 233.0 | Up | 10:40:10 - 10:48:05 | 3892 |
| Beatty | 10:44:02 | -48.6 | Dark | Down | 47.1 | 235.2 | Up | 10:40:04 - 10:47:59 | 3846 |
| Indian Springs | 10:43:58 | -47.8 | Dark | Down | 46.5 | 236.6 | Up | 10:40:00 - 10:47:55 | 3815 |
| Henderson | 10:43:55 | -47.3 | Dark | Down | 46.4 | 237.8 | Up | 10:39:57 - 10:47:52 | 3762 |
| Searchlight/Boulder City | 10:43:54 | -47.3 | Dark | Down | 46.6 | 238.4 | Up | 10:39:56 - 10:47:51 | 3706 |
| Patrick | 10:43:51 | -46.4 | Dark | Down | 45.9 | 239.5 | Up | 10:39:53 - 10:47:48 | 3701 |
| CPSLO | 10:44:12 | -51.9 | Dark | Down | 50.5 | 232.3 | Up | 10:40:15 - 10:48:10 | 3690 |
| Kingman/Dolan Springs | 10:43:51 | -46.6 | Dark | Down | 46.2 | 239.5 | Up | 10:39:54 - 10:47:49 | 3679 |
| Laughlin/Bullhead City | 10:43:52 | -47.0 | Dark | Down | 46.5 | 239.0 | Up | 10:39:55 - 10:47:50 | 3676 |
| DCO | 10:43:48 | -45.9 | Dark | Down | 45.6 | 240.5 | Up | 10:39:50 - 10:47:45 | 3671 |
| Mohave Valley | 10:43:52 | -47.0 | Dark | Down | 46.7 | 239.3 | Up | 10:39:54 - 10:47:49 | 3649 |
| Lake Havasu City | 10:43:51 | -46.8 | Dark | Down | 46.7 | 239.9 | Up | 10:39:54 - 10:47:49 | 3609 |
| Parker | 10:43:50 | -46.8 | Dark | Down | 46.9 | 240.2 | Up | 10:39:53 - 10:47:48 | 3574 |
| Wildwood | 10:44:04 | -50.3 | Dark | Down | 49.9 | 235.8 | Up | 10:40:07 - 10:48:02 | 3568 |
| George/Scottsdale | 10:43:42 | -44.8 | Dark | Down | 45.3 | 242.9 | Up | 10:39:44 - 10:47:39 | 3534 |
| Idyllwild | 10:43:58 | -48.8 | Dark | Down | 48.8 | 238.2 | Up | 10:40:00 - 10:47:55 | 3532 |
| Blythe | 10:43:50 | -47.1 | Dark | Down | 47.3 | 240.4 | Up | 10:39:53 - 10:47:48 | 3521 |
| Calipatria | 10:43:53 | -47.9 | Dark | Down | 48.3 | 240.0 | Up | 10:39:55 - 10:47:50 | 3470 |
| Yuma | 10:43:50 | -47.1 | Dark | Down | 47.8 | 241.3 | Up | 10:39:52 - 10:47:47 | 3427 |
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 03UT292, (2020/12/13 10:46UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 3.67 152 Bellatrix 05:25:07.8 +06:20:58 1.6 11.17 158 PPM 150217 06:16:58.4 +07:03:08 6.4 1.77 147 PPM 149981 06:09:07.2 +07:30:48 7.9 0.25 149 PPM 150026 06:10:47.8 +07:19:15 9.7 0.22 149 03UT292 06:09:57.6 +07:23:00 15.2 149 Positions are for J2000
Event circumstances last updated at 2020/12/12 00:18:26 UT
Marc W. Buie, Southwest Research Institute