Event between (532039) 13FR28 and star GA0760:04927637 with event index number of 2447996
Geocentric closest approach at 2023/05/28 06:34:40 UTC
J2000 position of star is 14:10:37.4 -12:48:48
Equinox of date position of star is 14:11:51.1 -12:55:12
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 51 degrees from the moon.
Moon is 56% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 34.8 AU from the Sun
and 34.0 AU from the Earth.
The TNO is moving 19.7
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 171 seconds.
The 1-sigma cross-track error in the shadow position is
2184 km.
The sky-plane scale is
24645.7 km/arcsec.
The TNO has an absolute magnitude Hv=7.4
Diameter=198.6 km assuming a 5% albedo -- 10.1 sec chord
Diameter=81.1 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 7:4EEE
Star training set for 532039, (2023/05/28 06:29UT) Object RA Dec mag sep mel Spica 13:26:25.8 -11:16:58 1.0 11.23 41 96 Vir 14:10:15.6 -10:26:40 6.4 2.51 50 PPM 228427 14:13:01.6 -12:43:19 8.2 0.34 51 PPM 228425 14:13:01.4 -13:02:24 10.0 0.30 52 532039 14:11:53.2 -12:55:22 16.7 52 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 13.9 km
RECON observability=1.0 and success probability=9.0%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Sleaford | 06:34:48 | -16.3 | AT | Up | 21.4 | 207.0 | Low | 06:20:02 - 06:49:34 | 3738 |
Kamloops | 06:35:32 | -15.6 | AT | Up | 25.7 | 192.4 | Low | 06:20:46 - 06:50:18 | 3452 |
Kelowna | 06:35:27 | -16.6 | AT | Up | 26.4 | 193.4 | Low | 06:20:41 - 06:50:13 | 3434 |
Peachland | 06:35:28 | -16.6 | AT | Up | 26.6 | 193.1 | Low | 06:20:42 - 06:50:14 | 3424 |
Summerland | 06:35:27 | -16.8 | AT | Up | 26.7 | 193.2 | Low | 06:20:41 - 06:50:13 | 3419 |
Penticton | 06:35:27 | -16.8 | AT | Up | 26.7 | 193.3 | Low | 06:20:41 - 06:50:13 | 3418 |
Oliver | 06:35:26 | -17.2 | AT | Up | 27.1 | 193.4 | Low | 06:20:40 - 06:50:12 | 3403 |
Anarchist Mountain Observatory | 06:35:26 | -17.4 | AT | Up | 27.2 | 193.6 | Low | 06:20:40 - 06:50:12 | 3399 |
Tonasket | 06:35:25 | -17.7 | AT | Up | 27.5 | 193.6 | Low | 06:20:39 - 06:50:11 | 3383 |
Okanogan | 06:35:26 | -17.9 | AT | Up | 27.9 | 193.4 | Low | 06:20:40 - 06:50:12 | 3365 |
Brewster | 06:35:25 | -18.1 | Dark | Up | 28.2 | 193.3 | Low | 06:20:39 - 06:50:11 | 3349 |
Manson/Chelan | 06:35:26 | -18.3 | Dark | Up | 28.4 | 192.9 | Low | 06:20:40 - 06:50:12 | 3332 |
Wenatchee | 06:35:25 | -18.7 | Dark | Up | 28.9 | 192.7 | Low | 06:20:39 - 06:50:11 | 3306 |
Victoria | 06:35:38 | -16.9 | AT | Up | 28.2 | 189.3 | Low | 06:20:52 - 06:50:24 | 3296 |
Ellensburg | 06:35:26 | -19.0 | Dark | Up | 29.4 | 192.6 | Low | 06:20:40 - 06:50:12 | 3282 |
PNWRO | 06:35:18 | -20.3 | Dark | Up | 30.1 | 194.5 | Up | 06:20:32 - 06:50:04 | 3266 |
Yakima | 06:35:25 | -19.4 | Dark | Up | 29.8 | 192.6 | Low | 06:20:39 - 06:50:11 | 3261 |
Toppenish/White Swan | 06:35:25 | -19.6 | Dark | Up | 29.9 | 192.8 | Low | 06:20:39 - 06:50:11 | 3254 |
Goldendale | 06:35:25 | -20.0 | Dark | Up | 30.5 | 192.4 | Up | 06:20:39 - 06:50:11 | 3218 |
Dunrhomin | 06:34:15 | -28.1 | Dark | Up | 31.6 | 210.5 | Up | 06:19:29 - 06:49:01 | 3217 |
CU-SBO | 06:34:15 | -28.3 | Dark | Up | 31.8 | 210.4 | Up | 06:19:29 - 06:49:01 | 3202 |
The Dalles | 06:35:26 | -20.1 | Dark | Up | 30.8 | 192.0 | Up | 06:20:40 - 06:50:12 | 3198 |
Maupin | 06:35:25 | -20.6 | Dark | Up | 31.2 | 192.2 | Up | 06:20:39 - 06:50:11 | 3179 |
Sisters | 06:35:25 | -21.3 | Dark | Up | 32.1 | 191.7 | Up | 06:20:39 - 06:50:11 | 3123 |
Bend | 06:35:24 | -21.5 | Dark | Up | 32.3 | 192.1 | Up | 06:20:38 - 06:50:10 | 3116 |
Oregon Observatory | 06:35:25 | -21.7 | Dark | Up | 32.5 | 191.9 | Up | 06:20:39 - 06:50:11 | 3104 |
North Lake | 06:35:21 | -22.4 | Dark | Up | 33.1 | 192.6 | Up | 06:20:35 - 06:50:07 | 3081 |
Lakeview | 06:35:18 | -23.5 | Dark | Up | 34.0 | 193.4 | Up | 06:20:32 - 06:50:04 | 3035 |
Chiloquin | 06:35:23 | -22.8 | Dark | Up | 33.9 | 191.6 | Up | 06:20:37 - 06:50:09 | 3023 |
Klamath Falls | 06:35:23 | -23.1 | Dark | Up | 34.2 | 191.8 | Up | 06:20:37 - 06:50:09 | 3005 |
Cedarville | 06:35:16 | -24.2 | Dark | Up | 34.6 | 193.7 | Up | 06:20:30 - 06:50:02 | 3001 |
Fall River/Burney | 06:35:19 | -24.3 | Dark | Up | 35.3 | 192.4 | Up | 06:20:33 - 06:50:05 | 2946 |
Susanville | 06:35:16 | -25.1 | Dark | Up | 35.8 | 193.3 | Up | 06:20:30 - 06:50:02 | 2926 |
Gimple | 06:35:17 | -25.3 | Dark | Up | 36.1 | 193.1 | Up | 06:20:31 - 06:50:03 | 2904 |
Greenville | 06:35:17 | -25.3 | Dark | Up | 36.1 | 193.0 | Up | 06:20:31 - 06:50:03 | 2902 |
Portola | 06:35:14 | -25.7 | Dark | Up | 36.3 | 193.6 | Up | 06:20:28 - 06:50:00 | 2894 |
Reno | 06:35:10 | -26.1 | Dark | Up | 36.5 | 194.4 | Up | 06:20:24 - 06:49:56 | 2893 |
Quincy | 06:35:16 | -25.5 | Dark | Up | 36.3 | 193.1 | Up | 06:20:30 - 06:50:02 | 2890 |
Yerington | 06:35:07 | -26.8 | Dark | Up | 36.9 | 195.3 | Up | 06:20:21 - 06:49:53 | 2874 |
Carson City | 06:35:10 | -26.5 | Dark | Up | 36.8 | 194.5 | Up | 06:20:24 - 06:49:56 | 2872 |
Tonopah | 06:34:58 | -28.2 | Dark | Up | 37.4 | 197.8 | Up | 06:20:12 - 06:49:44 | 2861 |
Gardnerville | 06:35:09 | -26.7 | Dark | Up | 37.1 | 194.6 | Up | 06:20:23 - 06:49:55 | 2858 |
Hawthorne | 06:35:05 | -27.4 | Dark | Up | 37.2 | 196.0 | Up | 06:20:19 - 06:49:51 | 2857 |
Lee Vining | 06:35:05 | -27.8 | Dark | Up | 37.9 | 195.6 | Up | 06:20:19 - 06:49:51 | 2812 |
Indian Springs | 06:34:48 | -30.0 | Dark | Up | 38.4 | 200.0 | Up | 06:20:02 - 06:49:34 | 2801 |
Beatty | 06:34:55 | -29.4 | Dark | Up | 38.4 | 198.6 | Up | 06:20:09 - 06:49:41 | 2798 |
Bishop | 06:35:01 | -28.6 | Dark | Up | 38.3 | 196.6 | Up | 06:20:15 - 06:49:47 | 2790 |
Henderson | 06:34:44 | -30.7 | Dark | Up | 38.7 | 200.9 | Up | 06:19:58 - 06:49:30 | 2781 |
Patrick | 06:34:38 | -31.5 | Dark | Up | 38.9 | 202.4 | Up | 06:19:52 - 06:49:24 | 2765 |
Kingman/Dolan Springs | 06:34:39 | -31.7 | Dark | Up | 39.2 | 202.2 | Up | 06:19:53 - 06:49:25 | 2747 |
Laughlin/Bullhead City | 06:34:41 | -31.6 | Dark | Up | 39.4 | 201.6 | Up | 06:19:55 - 06:49:27 | 2733 |
Mohave Valley | 06:34:40 | -31.9 | Dark | Up | 39.6 | 201.7 | Up | 06:19:54 - 06:49:26 | 2716 |
George/Scottsdale | 06:34:26 | -33.6 | Dark | Up | 39.8 | 205.3 | Up | 06:19:40 - 06:49:12 | 2696 |
Lake Havasu City | 06:34:38 | -32.3 | Dark | Up | 39.9 | 202.1 | Up | 06:19:52 - 06:49:24 | 2695 |
Parker | 06:34:38 | -32.6 | Dark | Up | 40.3 | 202.3 | Up | 06:19:52 - 06:49:24 | 2672 |
Idyllwild | 06:34:47 | -32.4 | Dark | Up | 41.3 | 199.5 | Up | 06:20:01 - 06:49:33 | 2591 |
Calipatria | 06:34:41 | -33.3 | Dark | Up | 41.6 | 201.1 | Up | 06:19:55 - 06:49:27 | 2575 |
Wildwood | 06:34:56 | -31.6 | Dark | Up | 41.5 | 197.1 | Up | 06:20:10 - 06:49:42 | 2571 |
Yuma | 06:34:36 | -33.9 | Dark | Up | 41.7 | 202.3 | Up | 06:19:50 - 06:49:22 | 2566 |
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 532039, (2023/05/28 06:29UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 11.23 41 96 Vir 14:09:00.6 -10:20:04 6.4 2.51 50 PPM 228427 14:11:45.8 -12:36:46 8.2 0.34 51 PPM 228425 14:11:45.5 -12:55:51 10.0 0.30 52 532039 14:10:37.4 -12:48:48 16.7 51 Positions are for J2000
Event circumstances last updated at 2022/10/04 04:15:34 UT
Marc W. Buie, Southwest Research Institute