Event between 10VQ11 and star GA0980:00762263 with event index number of 1032661
Geocentric closest approach at 2021/01/08 01:27:26 UTC
J2000 position of star is 05:24:43.1 +09:35:14
Equinox of date position of star is 05:25:52.3 +09:36:18
Stellar brightness G=13.8,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 138 degrees from the moon.
Moon is 32% illuminated.
TNO apparent brightness V=21.7
[RECON map]
TNO is 40.8 AU from the Sun
and 40.0 AU from the Earth.
The TNO is moving 22.5
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is
1449 km.
The sky-plane scale is
28977.5 km/arcsec.
The TNO has an absolute magnitude Hv=5.6
Diameter=461.3 km assuming a 5% albedo -- 20.5 sec chord
Diameter=188.3 km assuming a 30% albedo -- 8.4 sec chord
Dynamical classification is SCATEXTD
Star training set for 10VQ11, (2021/01/08 01:27UT) Object RA Dec mag sep mel Betelgeuse 05:56:18.6 +07:24:33 0.4 7.84 130 Bellatrix 05:26:15.6 +06:22:01 1.6 3.24 137 PPM 149168 05:36:22.1 +09:37:32 6.3 2.59 135 PPM 148900 05:25:42.2 +09:11:21 8.4 0.42 138 PPM 148891 05:25:31.9 +09:30:51 9.7 0.12 138 10VQ11 05:25:52.5 +09:36:18 13.8 138 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 0.0 km
RECON observability=0.0 and success probability=0.0%
| 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 | 01:30:33 | -11.8 | NT | Down | 20.1 | 99.3 | Low | 01:24:40 - 01:36:25 | -4008 |
| Kelowna | 01:30:34 | -11.6 | NT | Down | 20.1 | 99.1 | Low | 01:24:41 - 01:36:26 | -4038 |
| Peachland | 01:30:34 | -11.4 | NT | Down | 19.9 | 98.8 | Really Low | 01:24:42 - 01:36:27 | -4044 |
| Summerland | 01:30:35 | -11.4 | NT | Down | 20.0 | 98.8 | Really Low | 01:24:42 - 01:36:27 | -4057 |
| Penticton | 01:30:35 | -11.4 | NT | Down | 20.1 | 98.9 | Low | 01:24:43 - 01:36:28 | -4064 |
| Oliver | 01:30:36 | -11.3 | NT | Down | 20.1 | 98.8 | Low | 01:24:44 - 01:36:29 | -4093 |
| Anarchist Mountain Observatory | 01:30:36 | -11.4 | NT | Down | 20.3 | 98.9 | Low | 01:24:44 - 01:36:29 | -4108 |
| Victoria | 01:30:42 | -8.7 | NT | Down | 17.7 | 95.6 | Really Low | 01:24:50 - 01:36:35 | -4109 |
| Tonasket | 01:30:37 | -11.2 | NT | Down | 20.3 | 98.7 | Low | 01:24:45 - 01:36:30 | -4134 |
| Okanogan | 01:30:39 | -11.0 | NT | Down | 20.2 | 98.5 | Low | 01:24:46 - 01:36:31 | -4160 |
| Brewster | 01:30:40 | -10.8 | NT | Down | 20.1 | 98.2 | Low | 01:24:48 - 01:36:33 | -4181 |
| Manson/Chelan | 01:30:41 | -10.5 | NT | Down | 19.9 | 97.9 | Really Low | 01:24:49 - 01:36:34 | -4195 |
| Entiat | 01:30:42 | -10.4 | NT | Down | 19.9 | 97.7 | Really Low | 01:24:49 - 01:36:34 | -4213 |
| Wenatchee | 01:30:43 | -10.2 | NT | Down | 19.9 | 97.6 | Really Low | 01:24:50 - 01:36:35 | -4233 |
| Ellensburg | 01:30:44 | -9.9 | NT | Down | 19.8 | 97.2 | Really Low | 01:24:52 - 01:36:37 | -4266 |
| Yakima | 01:30:46 | -9.8 | NT | Down | 19.8 | 97.1 | Really Low | 01:24:54 - 01:36:39 | -4301 |
| Toppenish/White Swan | 01:30:46 | -9.8 | NT | Down | 20.0 | 97.1 | Really Low | 01:24:53 - 01:36:38 | -4321 |
| Pasco | 01:30:45 | -10.6 | NT | Down | 20.8 | 98.1 | Low | 01:24:52 - 01:36:37 | -4344 |
| Goldendale | 01:30:48 | -9.3 | NT | Down | 19.7 | 96.6 | Really Low | 01:24:55 - 01:36:40 | -4364 |
| PNWRO | 01:30:45 | -10.6 | NT | Down | 21.0 | 98.1 | Low | 01:24:53 - 01:36:38 | -4368 |
| The Dalles | 01:30:49 | -9.0 | NT | Down | 19.5 | 96.3 | Really Low | 01:24:57 - 01:36:42 | -4380 |
| Maupin | 01:30:50 | -8.9 | NT | Down | 19.6 | 96.2 | Really Low | 01:24:57 - 01:36:42 | -4417 |
| Sisters | 01:30:53 | -8.2 | NT | Down | 19.4 | 95.6 | Really Low | 01:25:01 - 01:36:46 | -4489 |
| Redmond | 01:30:53 | -8.5 | NT | Down | 19.7 | 95.8 | Really Low | 01:25:01 - 01:36:46 | -4495 |
| Bend | 01:30:54 | -8.3 | NT | Down | 19.6 | 95.7 | Really Low | 01:25:02 - 01:36:47 | -4512 |
| Oregon Observatory | 01:30:55 | -8.2 | NT | Down | 19.5 | 95.5 | Really Low | 01:25:02 - 01:36:47 | -4526 |
| La Pine/Gilchrist | 01:30:55 | -8.1 | NT | Down | 19.5 | 95.4 | Really Low | 01:25:03 - 01:36:48 | -4544 |
| North Lake | 01:30:56 | -8.3 | NT | Down | 20.0 | 95.7 | Really Low | 01:25:03 - 01:36:48 | -4589 |
| Paisley | 01:30:57 | -8.3 | NT | Down | 20.3 | 95.7 | Low | 01:25:05 - 01:36:50 | -4642 |
| Klamath Falls | 01:31:00 | -7.3 | NT | Down | 19.4 | 94.7 | Really Low | 01:25:07 - 01:36:52 | -4671 |
| Lakeview | 01:30:59 | -8.3 | NT | Down | 20.5 | 95.7 | Low | 01:25:06 - 01:36:51 | -4690 |
| Cedarville | 01:31:00 | -8.1 | NT | Down | 20.7 | 95.6 | Low | 01:25:08 - 01:36:53 | -4752 |
| Fall River/Burney | 01:31:02 | -7.1 | NT | Down | 19.8 | 94.5 | Really Low | 01:25:10 - 01:36:55 | -4782 |
| Susanville | 01:31:03 | -7.4 | NT | Down | 20.5 | 94.8 | Low | 01:25:11 - 01:36:56 | -4849 |
| Greenville | 01:31:05 | -7.1 | NT | Down | 20.3 | 94.5 | Low | 01:25:12 - 01:36:57 | -4871 |
| Gimple | 01:31:04 | -7.1 | NT | Down | 20.3 | 94.6 | Low | 01:25:12 - 01:36:57 | -4872 |
| Quincy | 01:31:05 | -7.0 | NT | Down | 20.3 | 94.5 | Low | 01:25:12 - 01:36:57 | -4890 |
| Portola | 01:31:05 | -7.3 | NT | Down | 20.6 | 94.7 | Low | 01:25:12 - 01:36:57 | -4907 |
| Reno | 01:31:05 | -7.6 | NT | Down | 21.2 | 95.1 | Low | 01:25:13 - 01:36:58 | -4939 |
| Carson City | 01:31:06 | -7.5 | NT | Down | 21.2 | 94.9 | Low | 01:25:13 - 01:36:58 | -4973 |
| Gardnerville | 01:31:06 | -7.5 | NT | Down | 21.3 | 94.9 | Low | 01:25:13 - 01:36:58 | -4996 |
| Yerington | 01:31:05 | -7.9 | NT | Down | 21.7 | 95.3 | Low | 01:25:13 - 01:36:58 | -4998 |
| Niwot | 01:30:38 | -18.4 | Dark | Down | 32.0 | 105.7 | Up | 01:24:45 - 01:36:30 | -5027 |
| SwRI | 01:30:39 | -18.3 | Dark | Down | 32.0 | 105.5 | Up | 01:24:46 - 01:36:31 | -5036 |
| Hawthorne | 01:31:06 | -8.1 | NT | Down | 22.2 | 95.4 | Low | 01:25:14 - 01:36:59 | -5048 |
| Lee Vining | 01:31:08 | -7.5 | NT | Down | 21.9 | 94.9 | Low | 01:25:15 - 01:37:00 | -5096 |
| Tonopah | 01:31:05 | -9.0 | NT | Down | 23.3 | 96.2 | Low | 01:25:13 - 01:36:58 | -5108 |
| Bishop | 01:31:09 | -7.9 | NT | Down | 22.5 | 95.1 | Low | 01:25:16 - 01:37:01 | -5161 |
| Beatty | 01:31:07 | -8.9 | NT | Down | 23.8 | 96.0 | Low | 01:25:15 - 01:37:00 | -5224 |
| Indian Springs | 01:31:06 | -9.6 | NT | Down | 24.7 | 96.5 | Low | 01:25:13 - 01:36:58 | -5267 |
| Henderson | 01:31:06 | -9.9 | NT | Down | 25.3 | 96.7 | Low | 01:25:14 - 01:36:59 | -5327 |
| CPSLO | 01:31:16 | -5.4 | CT | Down | 20.8 | 92.9 | Low | 01:25:24 - 01:37:09 | -5334 |
| Searchlight/Boulder City | 01:31:07 | -9.8 | NT | Down | 25.5 | 96.5 | Low | 01:25:15 - 01:37:00 | -5383 |
| Patrick | 01:31:06 | -10.6 | NT | Down | 26.3 | 97.1 | Low | 01:25:13 - 01:36:58 | -5400 |
| Laughlin/Bullhead City | 01:31:08 | -9.9 | NT | Down | 25.8 | 96.5 | Low | 01:25:15 - 01:37:00 | -5417 |
| Kingman/Dolan Springs | 01:31:07 | -10.3 | NT | Down | 26.2 | 96.9 | Low | 01:25:14 - 01:36:59 | -5420 |
| DCO | 01:31:05 | -11.0 | NT | Down | 26.9 | 97.4 | Low | 01:25:13 - 01:36:58 | -5437 |
| Mohave Valley | 01:31:08 | -9.8 | NT | Down | 25.8 | 96.4 | Low | 01:25:16 - 01:37:01 | -5444 |
| Wildwood | 01:31:16 | -6.5 | NT | Down | 22.6 | 93.7 | Low | 01:25:24 - 01:37:09 | -5477 |
| Lake Havasu City | 01:31:09 | -9.9 | NT | Down | 26.1 | 96.4 | Low | 01:25:16 - 01:37:01 | -5486 |
| Parker | 01:31:10 | -9.8 | NT | Down | 26.1 | 96.2 | Low | 01:25:17 - 01:37:02 | -5521 |
| Idyllwild | 01:31:14 | -7.8 | NT | Down | 24.2 | 94.6 | Low | 01:25:22 - 01:37:07 | -5534 |
| Blythe | 01:31:11 | -9.4 | NT | Down | 25.9 | 95.8 | Low | 01:25:18 - 01:37:03 | -5570 |
| George/Scottsdale | 01:31:06 | -11.6 | NT | Down | 28.2 | 97.5 | Low | 01:25:13 - 01:36:58 | -5589 |
| Calipatria | 01:31:13 | -8.5 | NT | Down | 25.2 | 95.0 | Low | 01:25:21 - 01:37:06 | -5609 |
| Yuma | 01:31:13 | -9.0 | NT | Down | 26.0 | 95.3 | Low | 01:25:21 - 01:37:06 | -5662 |
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 10VQ11, (2021/01/08 01:27UT) Object RA Dec mag sep mel Betelgeuse 05:55:10.3 +07:24:26 0.4 7.84 130 Bellatrix 05:25:07.8 +06:20:58 1.6 3.24 137 PPM 149168 05:35:12.8 +09:36:48 6.3 2.59 135 PPM 148900 05:24:33.0 +09:10:17 8.4 0.42 138 PPM 148891 05:24:22.6 +09:29:47 9.7 0.12 138 10VQ11 05:24:43.1 +09:35:14 13.8 138 Positions are for J2000
Event circumstances last updated at 2020/12/14 19:16:16 UT
Marc W. Buie, Southwest Research Institute