Event between (229762) G!kun||'homdima and star GA0920:00563751 with event index number of 1007914
Geocentric closest approach at 2020/11/21 10:18:20 UTC
J2000 position of star is 05:03:39.3 +02:25:43
Equinox of date position of star is 05:04:44.6 +02:27:24
Stellar brightness G=12.5,
use SENSEUP=16
Star is 111 degrees from the moon.
Moon is 42% illuminated.
TNO apparent brightness V=26.2
[RECON map]
TNO is 41.6 AU from the Sun
and 40.7 AU from the Earth.
The TNO is moving 23.9
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 70 seconds.
The 1-sigma cross-track error in the shadow position is
1529 km.
The sky-plane scale is
29507.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=1164.2 km assuming a 5% albedo -- 2.5 sec chord
Diameter=475.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 229762, (2020/11/21 10:18UT) Object RA Dec mag sep mel Rigel 05:15:32.6 -08:10:44 0.1 10.97 110 Bellatrix 05:26:15.2 +06:22:01 1.6 6.63 117 10Pi 6Ori 04:59:37.9 +01:44:41 6.0 1.46 110 PPM 148349 05:03:31.4 +02:04:36 7.9 0.49 111 PPM 148380 05:04:43.8 +02:35:11 8.7 0.13 111 229762 05:04:44.7 +02:27:24 12.5 111 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 19.9 km
RECON observability=1.0 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 | 10:16:53 | -47.2 | Dark | Down | 39.3 | 206.0 | Up | 10:10:32 - 10:23:14 | 12692 |
| Kelowna | 10:16:53 | -47.5 | Dark | Down | 39.7 | 206.0 | Up | 10:10:32 - 10:23:14 | 12663 |
| Peachland | 10:16:54 | -47.7 | Dark | Down | 39.9 | 205.7 | Up | 10:10:33 - 10:23:15 | 12657 |
| Summerland | 10:16:53 | -47.8 | Dark | Down | 40.0 | 205.8 | Up | 10:10:32 - 10:23:14 | 12644 |
| Penticton | 10:16:55 | -47.7 | Dark | Down | 40.0 | 206.0 | Up | 10:10:34 - 10:23:16 | 12638 |
| Oliver | 10:16:53 | -47.9 | Dark | Down | 40.3 | 206.1 | Up | 10:10:32 - 10:23:14 | 12610 |
| Victoria | 10:17:04 | -50.4 | Dark | Down | 41.9 | 201.5 | Up | 10:10:43 - 10:23:25 | 12598 |
| Anarchist Mountain Observatory | 10:16:52 | -47.9 | Dark | Down | 40.4 | 206.4 | Up | 10:10:31 - 10:23:13 | 12595 |
| Tonasket | 10:16:52 | -48.1 | Dark | Down | 40.7 | 206.5 | Up | 10:10:31 - 10:23:13 | 12570 |
| Okanogan | 10:16:52 | -48.3 | Dark | Down | 41.1 | 206.4 | Up | 10:10:31 - 10:23:13 | 12545 |
| Brewster | 10:16:53 | -48.6 | Dark | Down | 41.4 | 206.2 | Up | 10:10:32 - 10:23:14 | 12525 |
| Manson/Chelan | 10:16:54 | -48.9 | Dark | Down | 41.7 | 205.9 | Up | 10:10:33 - 10:23:15 | 12512 |
| Entiat | 10:16:53 | -49.1 | Dark | Down | 41.9 | 205.9 | Up | 10:10:32 - 10:23:14 | 12495 |
| Wenatchee | 10:16:54 | -49.2 | Dark | Down | 42.1 | 205.8 | Up | 10:10:33 - 10:23:15 | 12475 |
| Ellensburg | 10:16:55 | -49.6 | Dark | Down | 42.6 | 205.7 | Up | 10:10:34 - 10:23:16 | 12444 |
| Yakima | 10:16:55 | -49.8 | Dark | Down | 43.0 | 205.9 | Up | 10:10:34 - 10:23:16 | 12410 |
| Toppenish/White Swan | 10:16:54 | -49.8 | Dark | Down | 43.1 | 206.2 | Up | 10:10:33 - 10:23:15 | 12390 |
| Pasco | 10:16:50 | -49.1 | Dark | Down | 42.8 | 207.8 | Up | 10:10:29 - 10:23:11 | 12366 |
| Goldendale | 10:16:55 | -50.3 | Dark | Down | 43.7 | 205.8 | Up | 10:10:34 - 10:23:16 | 12349 |
| PNWRO | 10:16:49 | -49.0 | Dark | Down | 43.0 | 208.2 | Up | 10:10:28 - 10:23:10 | 12344 |
| The Dalles | 10:16:56 | -50.6 | Dark | Down | 44.0 | 205.4 | Up | 10:10:35 - 10:23:17 | 12334 |
| Maupin | 10:16:56 | -50.7 | Dark | Down | 44.4 | 205.8 | Up | 10:10:35 - 10:23:17 | 12298 |
| Sisters | 10:16:57 | -51.5 | Dark | Down | 45.3 | 205.5 | Up | 10:10:36 - 10:23:18 | 12229 |
| Redmond | 10:16:55 | -51.2 | Dark | Down | 45.2 | 206.0 | Up | 10:10:34 - 10:23:16 | 12223 |
| Bend | 10:16:57 | -51.4 | Dark | Down | 45.5 | 205.9 | Up | 10:10:36 - 10:23:18 | 12206 |
| Oregon Observatory | 10:16:55 | -51.6 | Dark | Down | 45.7 | 205.8 | Up | 10:10:34 - 10:23:16 | 12193 |
| La Pine/Gilchrist | 10:16:55 | -51.7 | Dark | Down | 45.9 | 205.8 | Up | 10:10:34 - 10:23:16 | 12176 |
| North Lake | 10:16:54 | -51.5 | Dark | Down | 46.1 | 206.9 | Up | 10:10:33 - 10:23:15 | 12131 |
| Paisley | 10:16:52 | -51.5 | Dark | Down | 46.4 | 207.6 | Up | 10:10:31 - 10:23:13 | 12079 |
| Klamath Falls | 10:16:57 | -52.5 | Dark | Down | 47.3 | 206.1 | Up | 10:10:36 - 10:23:18 | 12052 |
| Lakeview | 10:16:53 | -51.6 | Dark | Down | 46.8 | 208.1 | Up | 10:10:32 - 10:23:14 | 12032 |
| Cedarville | 10:16:52 | -51.7 | Dark | Down | 47.3 | 208.7 | Up | 10:10:31 - 10:23:13 | 11972 |
| Fall River/Burney | 10:16:55 | -52.7 | Dark | Down | 48.2 | 207.3 | Up | 10:10:34 - 10:23:16 | 11944 |
| Susanville | 10:16:53 | -52.5 | Dark | Down | 48.5 | 208.6 | Up | 10:10:32 - 10:23:14 | 11878 |
| Greenville | 10:16:53 | -52.8 | Dark | Down | 48.8 | 208.4 | Up | 10:10:32 - 10:23:14 | 11857 |
| Gimple | 10:16:53 | -52.7 | Dark | Down | 48.8 | 208.5 | Up | 10:10:32 - 10:23:14 | 11856 |
| Quincy | 10:16:53 | -52.8 | Dark | Down | 49.0 | 208.5 | Up | 10:10:32 - 10:23:14 | 11839 |
| Portola | 10:16:51 | -52.5 | Dark | Down | 48.9 | 209.2 | Up | 10:10:30 - 10:23:12 | 11822 |
| Reno | 10:16:48 | -52.2 | Dark | Down | 48.9 | 210.3 | Up | 10:10:27 - 10:23:09 | 11790 |
| Carson City | 10:16:48 | -52.3 | Dark | Down | 49.2 | 210.5 | Up | 10:10:27 - 10:23:09 | 11757 |
| Gardnerville | 10:16:49 | -52.3 | Dark | Down | 49.4 | 210.7 | Up | 10:10:28 - 10:23:10 | 11734 |
| Yerington | 10:16:47 | -51.9 | Dark | Down | 49.1 | 211.5 | Up | 10:10:26 - 10:23:08 | 11731 |
| Niwot | 10:16:04 | -41.3 | Dark | Down | 41.5 | 227.9 | Up | 10:09:43 - 10:22:25 | 11683 |
| Hawthorne | 10:16:46 | -51.6 | Dark | Down | 49.3 | 212.5 | Up | 10:10:25 - 10:23:07 | 11682 |
| SwRI | 10:16:05 | -41.4 | Dark | Down | 41.6 | 227.9 | Up | 10:09:44 - 10:22:26 | 11674 |
| Lee Vining | 10:16:46 | -52.2 | Dark | Down | 50.0 | 212.2 | Up | 10:10:25 - 10:23:07 | 11636 |
| Tonopah | 10:16:40 | -50.7 | Dark | Down | 49.1 | 214.7 | Up | 10:10:19 - 10:23:01 | 11622 |
| Bishop | 10:16:43 | -51.8 | Dark | Down | 50.2 | 213.6 | Up | 10:10:22 - 10:23:04 | 11571 |
| Beatty | 10:16:39 | -50.7 | Dark | Down | 49.8 | 216.1 | Up | 10:10:18 - 10:23:00 | 11508 |
| Indian Springs | 10:16:35 | -49.9 | Dark | Down | 49.6 | 217.8 | Up | 10:10:14 - 10:22:56 | 11464 |
| CPSLO | 10:16:51 | -54.1 | Dark | Down | 52.9 | 211.7 | Up | 10:10:30 - 10:23:12 | 11405 |
| Henderson | 10:16:31 | -49.5 | Dark | Down | 49.7 | 219.1 | Up | 10:10:10 - 10:22:52 | 11405 |
| Searchlight/Boulder City | 10:16:31 | -49.6 | Dark | Down | 50.1 | 219.6 | Up | 10:10:10 - 10:22:52 | 11349 |
| Patrick | 10:16:28 | -48.7 | Dark | Down | 49.6 | 221.0 | Up | 10:10:07 - 10:22:49 | 11332 |
| Laughlin/Bullhead City | 10:16:30 | -49.3 | Dark | Down | 50.1 | 220.3 | Up | 10:10:09 - 10:22:51 | 11316 |
| Kingman/Dolan Springs | 10:16:29 | -48.9 | Dark | Down | 49.8 | 221.0 | Up | 10:10:08 - 10:22:50 | 11313 |
| DCO | 10:16:25 | -48.2 | Dark | Down | 49.4 | 222.2 | Up | 10:10:04 - 10:22:46 | 11294 |
| Mohave Valley | 10:16:29 | -49.4 | Dark | Down | 50.3 | 220.5 | Up | 10:10:08 - 10:22:50 | 11290 |
| Wildwood | 10:16:44 | -52.7 | Dark | Down | 53.0 | 215.6 | Up | 10:10:23 - 10:23:05 | 11263 |
| Lake Havasu City | 10:16:29 | -49.2 | Dark | Down | 50.5 | 221.2 | Up | 10:10:08 - 10:22:50 | 11248 |
| Parker | 10:16:28 | -49.3 | Dark | Down | 50.8 | 221.5 | Up | 10:10:07 - 10:22:49 | 11214 |
| Idyllwild | 10:16:36 | -51.3 | Dark | Down | 52.3 | 218.6 | Up | 10:10:15 - 10:22:57 | 11204 |
| Blythe | 10:16:30 | -49.6 | Dark | Down | 51.3 | 221.5 | Up | 10:10:09 - 10:22:51 | 11166 |
| George/Scottsdale | 10:16:19 | -47.4 | Dark | Down | 49.7 | 224.9 | Up | 10:09:58 - 10:22:40 | 11144 |
| Calipatria | 10:16:33 | -50.4 | Dark | Down | 52.2 | 220.7 | Up | 10:10:12 - 10:22:54 | 11130 |
| Yuma | 10:16:29 | -49.8 | Dark | Down | 52.0 | 222.2 | Up | 10:10:08 - 10:22:50 | 11076 |
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 229762, (2020/11/21 10:18UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 10.97 110 Bellatrix 05:25:07.8 +06:20:58 1.6 6.63 117 10Pi 6Ori 04:58:32.8 +01:42:51 6.0 1.46 110 PPM 148349 05:02:26.2 +02:02:52 7.9 0.49 111 PPM 148380 05:03:38.4 +02:33:30 8.7 0.13 111 229762 05:03:39.3 +02:25:43 12.5 111 Positions are for J2000
Event circumstances last updated at 2020/11/18 21:22:13 UT
Marc W. Buie, Southwest Research Institute