Event between (15810) Arawn and star GA0700:33707454 with event index number of 1130836
Geocentric closest approach at 2022/06/08 09:52:57 UTC
J2000 position of star is 19:49:03.5 -19:05:26
Equinox of date position of star is 19:50:19.4 -19:02:05
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 118 degrees from the moon.
Moon is 58% illuminated.
TNO apparent brightness V=23.3
[RECON map]
TNO is 36.0 AU from the Sun
and 35.2 AU from the Earth.
The TNO is moving 17.7
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 392 seconds.
The 1-sigma cross-track error in the shadow position is
1527 km.
The sky-plane scale is
25521.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.7
Diameter=173.8 km assuming a 5% albedo -- 9.8 sec chord
Diameter=70.9 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E
Star training set for 15810, (2022/06/08 09:55UT) Object RA Dec mag sep mel Fomalhaut 22:58:53.1 -29:30:10 1.2 43.92 152 Nunki 18:56:39.3 -26:16:01 2.0 14.33 106 57 Sgr 19:53:30.1 -18:59:11 5.8 0.74 119 PPM 236516 19:49:23.0 -18:35:03 8.5 0.51 118 PPM 236536 19:50:28.5 -19:04:00 9.6 0.04 118 15810 19:50:21.7 -19:01:59 16.9 119 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
2.3 sigma about the mid-time.
The median site spacing is 14.4 km
RECON observability=0.8 and success probability=16.2%
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 | 09:52:47 | -12.5 | AT | Down | 19.9 | 168.3 | Really Low | 09:37:47 - 10:07:47 | 1087 |
Kelowna | 09:52:48 | -12.9 | AT | Down | 20.3 | 168.1 | Low | 09:37:48 - 10:07:48 | 1074 |
Peachland | 09:52:49 | -13.1 | AT | Down | 20.3 | 167.8 | Low | 09:37:49 - 10:07:49 | 1072 |
Summerland | 09:52:50 | -13.2 | AT | Down | 20.5 | 167.9 | Low | 09:37:50 - 10:07:50 | 1066 |
Penticton | 09:52:49 | -13.2 | AT | Down | 20.6 | 168.0 | Low | 09:37:49 - 10:07:49 | 1062 |
Oliver | 09:52:50 | -13.5 | AT | Down | 20.9 | 168.0 | Low | 09:37:50 - 10:07:50 | 1049 |
Victoria | 09:53:06 | -15.2 | AT | Down | 21.0 | 164.2 | Low | 09:38:06 - 10:08:06 | 1046 |
Anarchist Mountain Observatory | 09:52:49 | -13.6 | AT | Down | 21.1 | 168.2 | Low | 09:37:49 - 10:07:49 | 1042 |
Tonasket | 09:52:50 | -13.9 | AT | Down | 21.4 | 168.1 | Low | 09:37:50 - 10:07:50 | 1029 |
Okanogan | 09:52:50 | -14.2 | AT | Down | 21.7 | 167.9 | Low | 09:37:50 - 10:07:50 | 1017 |
Brewster | 09:52:51 | -14.5 | AT | Down | 22.0 | 167.7 | Low | 09:37:51 - 10:07:51 | 1008 |
Manson/Chelan | 09:52:53 | -14.8 | AT | Down | 22.1 | 167.3 | Low | 09:37:53 - 10:07:53 | 1002 |
Wenatchee | 09:52:55 | -15.3 | AT | Down | 22.5 | 167.1 | Low | 09:37:55 - 10:07:55 | 983 |
Ellensburg | 09:52:56 | -15.7 | AT | Down | 22.9 | 166.9 | Low | 09:37:56 - 10:07:56 | 968 |
Yakima | 09:52:57 | -16.1 | AT | Down | 23.3 | 166.8 | Low | 09:37:57 - 10:07:57 | 950 |
Toppenish/White Swan | 09:52:57 | -16.2 | AT | Down | 23.5 | 166.9 | Low | 09:37:57 - 10:07:57 | 940 |
Pasco | 09:52:52 | -16.0 | AT | Down | 23.8 | 168.2 | Low | 09:37:52 - 10:07:52 | 925 |
Goldendale | 09:53:00 | -16.9 | AT | Down | 24.0 | 166.5 | Low | 09:38:00 - 10:08:00 | 919 |
PNWRO | 09:52:51 | -16.1 | AT | Down | 24.1 | 168.4 | Low | 09:37:51 - 10:07:51 | 913 |
The Dalles | 09:53:01 | -17.2 | AT | Down | 24.2 | 166.1 | Low | 09:38:01 - 10:08:01 | 911 |
Maupin | 09:53:01 | -17.5 | AT | Down | 24.6 | 166.1 | Low | 09:38:01 - 10:08:01 | 892 |
Sisters | 09:53:05 | -18.5 | Dark | Down | 25.4 | 165.6 | Low | 09:38:05 - 10:08:05 | 855 |
Redmond | 09:53:03 | -18.4 | Dark | Down | 25.5 | 166.0 | Low | 09:38:03 - 10:08:03 | 851 |
Bend | 09:53:04 | -18.6 | Dark | Down | 25.6 | 165.8 | Low | 09:38:04 - 10:08:04 | 842 |
Oregon Observatory | 09:53:05 | -18.8 | Dark | Down | 25.8 | 165.6 | Low | 09:38:05 - 10:08:05 | 835 |
La Pine/Gilchrist | 09:53:05 | -19.0 | Dark | Down | 26.0 | 165.6 | Low | 09:38:05 - 10:08:05 | 825 |
North Lake | 09:53:04 | -19.2 | Dark | Down | 26.5 | 166.1 | Low | 09:38:04 - 10:08:04 | 800 |
Chiloquin | 09:53:09 | -20.1 | Dark | Down | 27.0 | 165.1 | Low | 09:38:09 - 10:08:09 | 773 |
Paisley | 09:53:02 | -19.6 | Dark | Down | 27.1 | 166.4 | Low | 09:38:02 - 10:08:02 | 771 |
Klamath Falls | 09:53:09 | -20.4 | Dark | Down | 27.3 | 165.1 | Low | 09:38:09 - 10:08:09 | 756 |
Lakeview | 09:53:02 | -19.9 | Dark | Down | 27.6 | 166.6 | Low | 09:38:02 - 10:08:02 | 744 |
Cedarville | 09:53:02 | -20.5 | Dark | Down | 28.3 | 166.7 | Low | 09:38:02 - 10:08:02 | 709 |
Fall River/Burney | 09:53:09 | -21.3 | Dark | Down | 28.5 | 165.3 | Low | 09:38:09 - 10:08:09 | 692 |
Susanville | 09:53:06 | -21.6 | Dark | Down | 29.3 | 166.0 | Low | 09:38:06 - 10:08:06 | 654 |
Greenville | 09:53:08 | -22.0 | Dark | Down | 29.5 | 165.7 | Low | 09:38:08 - 10:08:08 | 641 |
Gimple | 09:53:08 | -21.9 | Dark | Down | 29.5 | 165.8 | Low | 09:38:08 - 10:08:08 | 640 |
Quincy | 09:53:08 | -22.1 | Dark | Down | 29.7 | 165.7 | Low | 09:38:08 - 10:08:08 | 630 |
Portola | 09:53:06 | -22.1 | Dark | Down | 29.9 | 166.1 | Low | 09:38:06 - 10:08:06 | 620 |
Reno | 09:53:04 | -22.1 | Dark | Down | 30.3 | 166.8 | Up | 09:38:04 - 10:08:04 | 600 |
Carson City | 09:53:04 | -22.4 | Dark | Down | 30.6 | 166.8 | Up | 09:38:04 - 10:08:04 | 580 |
Gardnerville | 09:53:04 | -22.6 | Dark | Down | 30.9 | 166.8 | Up | 09:38:04 - 10:08:04 | 566 |
Yerington | 09:53:01 | -22.3 | Dark | Down | 30.9 | 167.4 | Up | 09:38:01 - 10:08:01 | 564 |
Hawthorne | 09:53:00 | -22.5 | Dark | Down | 31.5 | 167.9 | Up | 09:38:00 - 10:08:00 | 533 |
Lee Vining | 09:53:03 | -23.2 | Dark | Down | 32.0 | 167.3 | Up | 09:38:03 - 10:08:03 | 506 |
Tonopah | 09:52:53 | -22.4 | Dark | Down | 32.2 | 169.4 | Up | 09:37:53 - 10:07:53 | 494 |
Dunrhomin | 09:51:55 | -15.2 | AT | Down | 30.6 | 182.5 | Up | 09:36:55 - 10:06:55 | 472 |
Bishop | 09:53:00 | -23.4 | Dark | Down | 32.7 | 168.0 | Up | 09:38:00 - 10:08:00 | 464 |
Beatty | 09:52:52 | -23.2 | Dark | Down | 33.4 | 169.8 | Up | 09:37:52 - 10:07:52 | 421 |
Indian Springs | 09:52:47 | -23.0 | Dark | Down | 33.8 | 170.9 | Up | 09:37:47 - 10:07:47 | 390 |
CPSLO | 09:53:13 | -26.1 | Dark | Down | 34.3 | 165.3 | Up | 09:38:13 - 10:08:13 | 357 |
Henderson | 09:52:45 | -23.2 | Dark | Down | 34.4 | 171.6 | Up | 09:37:45 - 10:07:45 | 350 |
Patrick | 09:52:40 | -23.2 | Dark | Down | 35.2 | 172.8 | Up | 09:37:40 - 10:07:40 | 299 |
Laughlin/Bullhead City | 09:52:44 | -23.7 | Dark | Down | 35.3 | 172.0 | Up | 09:37:44 - 10:07:44 | 291 |
Kingman/Dolan Springs | 09:52:41 | -23.4 | Dark | Down | 35.4 | 172.6 | Up | 09:37:41 - 10:07:41 | 287 |
Mohave Valley | 09:52:44 | -23.9 | Dark | Down | 35.6 | 172.0 | Up | 09:37:44 - 10:07:44 | 274 |
Wildwood | 09:53:05 | -26.3 | Dark | Down | 35.8 | 167.4 | Up | 09:38:05 - 10:08:05 | 264 |
Lake Havasu City | 09:52:43 | -24.1 | Dark | Down | 36.0 | 172.2 | Up | 09:37:43 - 10:07:43 | 245 |
Idyllwild | 09:52:56 | -25.8 | Dark | Down | 36.5 | 169.4 | Up | 09:37:56 - 10:07:56 | 223 |
Parker | 09:52:43 | -24.4 | Dark | Down | 36.4 | 172.2 | Up | 09:37:43 - 10:07:43 | 222 |
Blythe | 09:52:45 | -25.0 | Dark | Down | 36.9 | 171.8 | Up | 09:37:45 - 10:07:45 | 192 |
Calipatria | 09:52:51 | -25.8 | Dark | Down | 37.3 | 170.7 | Up | 09:37:51 - 10:07:51 | 170 |
George/Scottsdale | 09:52:31 | -23.6 | Dark | Down | 37.0 | 175.0 | Up | 09:37:31 - 10:07:31 | 166 |
Yuma | 09:52:46 | -25.8 | Dark | Down | 37.8 | 171.7 | Up | 09:37:46 - 10:07:46 | 131 |
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 15810, (2022/06/08 09:55UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 43.92 152 Nunki 18:55:15.9 -26:17:49 2.0 14.33 106 57 Sgr 19:52:12.0 -19:02:43 5.8 0.74 119 PPM 236516 19:48:05.0 -18:38:29 8.5 0.51 118 PPM 236536 19:49:10.3 -19:07:28 9.6 0.04 118 15810 19:49:03.5 -19:05:26 16.9 118 Positions are for J2000
Event circumstances last updated at 2021/10/07 00:35:20 UT
Marc W. Buie, Southwest Research Institute