Event between (469362) 01KB77 and star GA0780:06573891 with event index number of 349940
Geocentric closest approach at 2020/08/12 03:47:20 UTC
J2000 position of star is 17:28:50.1 -11:18:58
Equinox of date position of star is 17:29:58.9 -11:19:53
Stellar brightness G=14.3,
use SENSEUP=64
Star is 152 degrees from the moon.
Moon is 46% illuminated.
TNO apparent brightness V=24.7
[RECON map]
TNO is 28.5 AU from the Sun
and 27.9 AU from the Earth.
The TNO is moving 10.1
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 188 seconds.
The 1-sigma cross-track error in the shadow position is
1580 km.
The sky-plane scale is
20269.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=199.5 km assuming a 5% albedo -- 5.9 sec chord
Diameter=81.5 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 3:2E
Star training set for 469362, (2020/08/12 03:47UT) Object RA Dec mag sep mel Antares 16:30:40.5 -26:28:34 0.9 20.60 163 35Eta Oph 17:11:33.7 -15:44:56 2.6 6.29 157 PPM 233365 17:39:18.2 -10:56:13 5.7 2.32 149 PPM 233145 17:30:57.1 -11:09:32 7.7 0.29 151 PPM 233118 17:29:46.5 -11:30:57 9.7 0.19 152 469362 17:29:59.0 -11:19:53 14.3 151 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
4.8 sigma about the mid-time.
The median site spacing is 27.0 km
RECON observability=0.2 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 | 03:45:08 | -4.1 | CT | Down | 28.3 | 175.4 | Low | 03:30:08 - 04:00:08 | 11473 |
| Victoria | 03:45:39 | -2.6 | CT | Down | 29.7 | 170.8 | Low | 03:30:39 - 04:00:39 | 11471 |
| Peachland | 03:45:12 | -4.1 | CT | Down | 28.8 | 174.8 | Low | 03:30:12 - 04:00:12 | 11458 |
| Kelowna | 03:45:09 | -4.2 | CT | Down | 28.7 | 175.2 | Low | 03:30:09 - 04:00:09 | 11457 |
| Summerland | 03:45:12 | -4.2 | CT | Down | 29.0 | 174.9 | Low | 03:30:12 - 04:00:12 | 11448 |
| Penticton | 03:45:13 | -4.3 | CT | Down | 29.0 | 175.1 | Low | 03:30:13 - 04:00:13 | 11443 |
| Oliver | 03:45:14 | -4.5 | CT | Down | 29.4 | 175.0 | Low | 03:30:14 - 04:00:14 | 11425 |
| Anarchist Mountain Observatory | 03:45:12 | -4.7 | CT | Down | 29.6 | 175.3 | Low | 03:30:12 - 04:00:12 | 11413 |
| Tonasket | 03:45:14 | -4.8 | CT | Down | 29.9 | 175.2 | Low | 03:30:14 - 04:00:14 | 11398 |
| Okanogan | 03:45:15 | -4.9 | CT | Down | 30.2 | 175.0 | Up | 03:30:15 - 04:00:15 | 11384 |
| Brewster | 03:45:19 | -4.9 | CT | Down | 30.4 | 174.8 | Up | 03:30:19 - 04:00:19 | 11374 |
| Manson/Chelan | 03:45:21 | -4.8 | CT | Down | 30.6 | 174.3 | Up | 03:30:21 - 04:00:21 | 11372 |
| Entiat | 03:45:21 | -4.8 | CT | Down | 30.8 | 174.2 | Up | 03:30:21 - 04:00:21 | 11361 |
| Wenatchee | 03:45:24 | -4.9 | CT | Down | 31.1 | 174.1 | Up | 03:30:24 - 04:00:24 | 11350 |
| Ellensburg | 03:45:26 | -5.0 | CT | Down | 31.5 | 173.9 | Up | 03:30:26 - 04:00:26 | 11333 |
| Yakima | 03:45:26 | -5.2 | CT | Down | 31.9 | 173.8 | Up | 03:30:26 - 04:00:26 | 11312 |
| Toppenish/White Swan | 03:45:25 | -5.4 | CT | Down | 32.1 | 174.0 | Up | 03:30:25 - 04:00:25 | 11296 |
| Goldendale | 03:45:32 | -5.4 | CT | Down | 32.6 | 173.5 | Up | 03:30:32 - 04:00:32 | 11275 |
| The Dalles | 03:45:35 | -5.3 | CT | Down | 32.8 | 173.1 | Up | 03:30:35 - 04:00:35 | 11271 |
| Pasco | 03:45:19 | -6.2 | NT | Down | 32.3 | 175.4 | Up | 03:30:19 - 04:00:19 | 11261 |
| Maupin | 03:45:36 | -5.5 | CT | Down | 33.3 | 173.2 | Up | 03:30:36 - 04:00:36 | 11245 |
| PNWRO | 03:45:17 | -6.4 | NT | Down | 32.6 | 175.7 | Up | 03:30:17 - 04:00:17 | 11243 |
| Sisters | 03:45:43 | -5.6 | CT | Down | 34.1 | 172.5 | Up | 03:30:43 - 04:00:43 | 11207 |
| Redmond | 03:45:38 | -5.9 | CT | Down | 34.2 | 173.0 | Up | 03:30:38 - 04:00:38 | 11197 |
| Bend | 03:45:38 | -5.9 | CT | Down | 34.4 | 172.8 | Up | 03:30:38 - 04:00:38 | 11188 |
| Oregon Observatory | 03:45:43 | -5.9 | CT | Down | 34.5 | 172.7 | Up | 03:30:43 - 04:00:43 | 11181 |
| La Pine/Gilchrist | 03:45:39 | -5.9 | CT | Down | 34.7 | 172.5 | Up | 03:30:39 - 04:00:39 | 11170 |
| North Lake | 03:45:39 | -6.5 | NT | Down | 35.2 | 173.2 | Up | 03:30:39 - 04:00:39 | 11131 |
| Klamath Falls | 03:45:50 | -6.5 | NT | Down | 36.1 | 172.1 | Up | 03:30:50 - 04:00:50 | 11090 |
| Paisley | 03:45:39 | -7.0 | NT | Down | 35.8 | 173.6 | Up | 03:30:39 - 04:00:39 | 11090 |
| Lakeview | 03:45:36 | -7.4 | NT | Down | 36.3 | 173.8 | Up | 03:30:36 - 04:00:36 | 11055 |
| Cedarville | 03:45:40 | -7.8 | NT | Down | 37.0 | 174.0 | Up | 03:30:40 - 04:00:40 | 11010 |
| Fall River/Burney | 03:45:47 | -7.2 | NT | Down | 37.3 | 172.5 | Up | 03:30:47 - 04:00:47 | 11009 |
| Susanville | 03:45:43 | -8.0 | NT | Down | 38.0 | 173.3 | Up | 03:30:43 - 04:00:43 | 10952 |
| Greenville | 03:45:43 | -7.9 | NT | Down | 38.3 | 172.9 | Up | 03:30:43 - 04:00:43 | 10941 |
| Gimple | 03:45:47 | -8.0 | NT | Down | 38.3 | 173.0 | Up | 03:30:47 - 04:00:47 | 10939 |
| Quincy | 03:45:48 | -8.0 | NT | Down | 38.5 | 172.9 | Up | 03:30:48 - 04:00:48 | 10928 |
| Portola | 03:45:43 | -8.4 | NT | Down | 38.6 | 173.5 | Up | 03:30:43 - 04:00:43 | 10909 |
| Reno | 03:45:38 | -9.0 | NT | Down | 39.0 | 174.2 | Up | 03:30:38 - 04:00:38 | 10876 |
| Carson City | 03:45:42 | -9.2 | NT | Down | 39.3 | 174.3 | Up | 03:30:42 - 04:00:42 | 10852 |
| Gardnerville | 03:45:43 | -9.3 | NT | Down | 39.6 | 174.3 | Up | 03:30:43 - 04:00:43 | 10834 |
| Yerington | 03:45:37 | -9.7 | NT | Down | 39.6 | 175.0 | Up | 03:30:37 - 04:00:37 | 10823 |
| Hawthorne | 03:45:35 | -10.3 | NT | Down | 40.1 | 175.7 | Up | 03:30:35 - 04:00:35 | 10779 |
| Lee Vining | 03:45:39 | -10.2 | NT | Down | 40.6 | 175.0 | Up | 03:30:39 - 04:00:39 | 10754 |
| Tonopah | 03:45:22 | -11.4 | NT | Down | 40.6 | 177.4 | Up | 03:30:22 - 04:00:22 | 10711 |
| Bishop | 03:45:36 | -11.0 | NT | Down | 41.2 | 175.9 | Up | 03:30:36 - 04:00:36 | 10694 |
| Beatty | 03:45:24 | -12.3 | AT | Down | 41.8 | 178.0 | Up | 03:30:24 - 04:00:24 | 10619 |
| CPSLO | 03:45:59 | -10.4 | NT | Down | 43.1 | 172.9 | Up | 03:30:59 - 04:00:59 | 10608 |
| Indian Springs | 03:45:12 | -13.2 | AT | Down | 42.1 | 179.3 | Up | 03:30:12 - 04:00:12 | 10567 |
| Niwot | 03:43:44 | -17.8 | AT | Down | 37.8 | 192.0 | Up | 03:28:44 - 03:58:44 | 10528 |
| SwRI | 03:43:47 | -17.8 | AT | Down | 37.9 | 191.9 | Up | 03:28:47 - 03:58:47 | 10523 |
| Henderson | 03:45:12 | -13.9 | AT | Down | 42.6 | 180.2 | Up | 03:30:12 - 04:00:12 | 10510 |
| Searchlight/Boulder City | 03:45:13 | -14.3 | AT | Down | 43.2 | 180.3 | Up | 03:30:13 - 04:00:13 | 10468 |
| Wildwood | 03:45:46 | -12.4 | AT | Down | 44.5 | 175.5 | Up | 03:30:46 - 04:00:46 | 10467 |
| Laughlin/Bullhead City | 03:45:09 | -14.7 | AT | Down | 43.5 | 180.8 | Up | 03:30:09 - 04:00:09 | 10436 |
| Patrick | 03:45:03 | -15.0 | AT | Down | 43.3 | 181.7 | Up | 03:30:03 - 04:00:03 | 10435 |
| Kingman/Dolan Springs | 03:45:05 | -15.0 | AT | Down | 43.5 | 181.4 | Up | 03:30:05 - 04:00:05 | 10424 |
| Mohave Valley | 03:45:10 | -14.8 | AT | Down | 43.8 | 180.8 | Up | 03:30:10 - 04:00:10 | 10416 |
| DCO | 03:44:58 | -15.7 | AT | Down | 43.5 | 182.6 | Up | 03:29:58 - 03:59:58 | 10393 |
| Idyllwild | 03:45:29 | -13.9 | AT | Down | 44.9 | 177.9 | Up | 03:30:29 - 04:00:29 | 10390 |
| Lake Havasu City | 03:45:10 | -15.2 | AT | Down | 44.2 | 181.1 | Up | 03:30:10 - 04:00:10 | 10380 |
| Parker | 03:45:10 | -15.4 | AT | Down | 44.5 | 181.2 | Up | 03:30:10 - 04:00:10 | 10353 |
| Blythe | 03:45:13 | -15.4 | AT | Down | 45.1 | 180.8 | Up | 03:30:13 - 04:00:13 | 10322 |
| Calipatria | 03:45:23 | -15.0 | AT | Down | 45.6 | 179.5 | Up | 03:30:23 - 04:00:23 | 10311 |
| Yuma | 03:45:16 | -15.9 | AT | Down | 46.0 | 180.8 | Up | 03:30:16 - 04:00:16 | 10253 |
| George/Scottsdale | 03:44:50 | -17.3 | AT | Down | 44.9 | 184.4 | Up | 03:29:50 - 03:59:50 | 10252 |
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 469362, (2020/08/12 03:47UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 20.60 163 35Eta Oph 17:10:22.7 -15:43:29 2.6 6.29 157 PPM 233365 17:38:09.5 -10:55:35 5.7 2.32 149 PPM 233145 17:29:48.3 -11:08:38 7.7 0.29 151 PPM 233118 17:28:37.6 -11:30:01 9.7 0.19 152 469362 17:28:50.1 -11:18:58 14.3 152 Positions are for J2000
Event circumstances last updated at 2020/07/29 22:12:50 UT
Marc W. Buie, Southwest Research Institute