Event between (552678) 10JG210 and star GA0880:06031764 with event index number of 2222294
Geocentric closest approach at 2023/05/30 04:29:49 UTC
J2000 position of star is 17:43:56.5 -01:56:35
Equinox of date position of star is 17:45:07.5 -01:57:06
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 79 degrees from the moon.
Moon is 74% illuminated.
TNO apparent brightness V=21.2
[RECON map]
TNO is 18.6 AU from the Sun
and 17.7 AU from the Earth.
The TNO is moving 20.3
km/sec on the sky relative to the star, or,
5.7 arcsec/hr.
The 1-sigma error in the time of the event is 50 seconds.
The 1-sigma cross-track error in the shadow position is
701 km.
The sky-plane scale is
12808.3 km/arcsec.
The TNO has an absolute magnitude Hv=8.5
Diameter=114.3 km assuming a 5% albedo -- 5.8 sec chord
Diameter=46.7 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 552678, (2023/05/30 04:29UT) Object RA Dec mag sep mel Antares 16:30:50.8 -26:28:55 0.9 30.33 63 60Bet Oph 17:44:37.8 +04:33:33 2.8 6.51 79 PPM 180184 17:53:12.1 -01:14:27 6.3 2.13 81 PPM 180143 17:45:13.8 -01:48:57 7.8 0.14 79 PPM 180142 17:44:52.1 -01:59:55 9.1 0.09 79 552678 17:45:09.5 -01:57:07 16.9 79 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=0.1 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) |
| Sleaford | 04:32:46 | -9.4 | NT | Up | 18.3 | 118.9 | Really Low | 04:28:07 - 04:37:25 | 7461 |
| Kamloops | 04:33:13 | -4.6 | CT | Up | 10.6 | 106.4 | Really Low | 04:28:34 - 04:37:52 | 7297 |
| Kelowna | 04:33:15 | -5.6 | CT | Up | 11.4 | 107.0 | Really Low | 04:28:36 - 04:37:54 | 7239 |
| Peachland | 04:33:16 | -5.5 | CT | Up | 11.2 | 106.8 | Really Low | 04:28:37 - 04:37:55 | 7230 |
| Summerland | 04:33:16 | -5.7 | CT | Up | 11.3 | 106.8 | Really Low | 04:28:37 - 04:37:55 | 7219 |
| Penticton | 04:33:16 | -5.8 | CT | Up | 11.4 | 106.9 | Really Low | 04:28:37 - 04:37:55 | 7214 |
| Oliver | 04:33:18 | -6.0 | NT | Up | 11.5 | 106.8 | Really Low | 04:28:39 - 04:37:57 | 7187 |
| Anarchist Mountain Observatory | 04:33:18 | -6.3 | NT | Up | 11.7 | 106.9 | Really Low | 04:28:39 - 04:37:57 | 7175 |
| Tonasket | 04:33:19 | -6.4 | NT | Up | 11.8 | 106.8 | Really Low | 04:28:40 - 04:37:58 | 7151 |
| Okanogan | 04:33:20 | -6.6 | NT | Up | 11.8 | 106.7 | Really Low | 04:28:41 - 04:37:59 | 7124 |
| Victoria | 04:33:24 | -4.6 | CT | Up | 9.3 | 103.7 | Really Low | 04:28:45 - 04:38:03 | 7121 |
| Brewster | 04:33:22 | -6.7 | NT | Up | 11.7 | 106.4 | Really Low | 04:28:43 - 04:38:01 | 7102 |
| Manson/Chelan | 04:33:23 | -6.7 | NT | Up | 11.5 | 106.1 | Really Low | 04:28:44 - 04:38:02 | 7084 |
| Wenatchee | 04:33:25 | -6.9 | NT | Up | 11.6 | 105.9 | Really Low | 04:28:46 - 04:38:04 | 7046 |
| Ellensburg | 04:33:26 | -7.1 | NT | Up | 11.5 | 105.6 | Really Low | 04:28:47 - 04:38:05 | 7012 |
| Yakima | 04:33:28 | -7.3 | NT | Up | 11.6 | 105.6 | Really Low | 04:28:49 - 04:38:07 | 6979 |
| Toppenish/White Swan | 04:33:28 | -7.6 | NT | Up | 11.8 | 105.6 | Really Low | 04:28:49 - 04:38:07 | 6963 |
| PNWRO | 04:33:28 | -8.6 | NT | Up | 12.9 | 106.7 | Really Low | 04:28:49 - 04:38:07 | 6939 |
| Goldendale | 04:33:31 | -7.7 | NT | Up | 11.7 | 105.2 | Really Low | 04:28:52 - 04:38:10 | 6916 |
| The Dalles | 04:33:32 | -7.7 | NT | Up | 11.5 | 104.9 | Really Low | 04:28:53 - 04:38:11 | 6896 |
| Maupin | 04:33:33 | -8.0 | NT | Up | 11.7 | 104.9 | Really Low | 04:28:54 - 04:38:12 | 6862 |
| Sisters | 04:33:37 | -8.4 | NT | Up | 11.6 | 104.4 | Really Low | 04:28:58 - 04:38:16 | 6788 |
| Bend | 04:33:37 | -8.7 | NT | Up | 11.8 | 104.5 | Really Low | 04:28:58 - 04:38:16 | 6769 |
| Oregon Observatory | 04:33:38 | -8.7 | NT | Up | 11.8 | 104.4 | Really Low | 04:28:59 - 04:38:17 | 6754 |
| North Lake | 04:33:39 | -9.5 | NT | Up | 12.3 | 104.7 | Really Low | 04:29:00 - 04:38:18 | 6702 |
| Chiloquin | 04:33:43 | -9.4 | NT | Up | 11.8 | 103.8 | Really Low | 04:29:04 - 04:38:22 | 6641 |
| Lakeview | 04:33:42 | -10.5 | NT | Up | 13.0 | 104.8 | Really Low | 04:29:03 - 04:38:21 | 6615 |
| Klamath Falls | 04:33:44 | -9.7 | NT | Up | 12.0 | 103.8 | Really Low | 04:29:05 - 04:38:23 | 6612 |
| Cedarville | 04:33:44 | -11.0 | NT | Up | 13.3 | 104.8 | Really Low | 04:29:05 - 04:38:23 | 6559 |
| Dunrhomin | 04:33:20 | -19.4 | Dark | Up | 24.3 | 115.5 | Low | 04:28:41 - 04:37:59 | 6524 |
| Fall River/Burney | 04:33:47 | -10.7 | NT | Up | 12.5 | 103.9 | Really Low | 04:29:08 - 04:38:26 | 6511 |
| CU-SBO | 04:33:21 | -19.6 | Dark | Up | 24.3 | 115.4 | Low | 04:28:42 - 04:38:00 | 6502 |
| Susanville | 04:33:48 | -11.5 | NT | Up | 13.2 | 104.2 | Really Low | 04:29:09 - 04:38:27 | 6459 |
| Gimple | 04:33:49 | -11.6 | NT | Up | 13.1 | 104.0 | Really Low | 04:29:10 - 04:38:28 | 6433 |
| Greenville | 04:33:49 | -11.5 | NT | Up | 13.1 | 104.0 | Really Low | 04:29:10 - 04:38:28 | 6433 |
| Quincy | 04:33:50 | -11.7 | NT | Up | 13.1 | 103.9 | Really Low | 04:29:11 - 04:38:29 | 6415 |
| Portola | 04:33:50 | -12.0 | AT | Up | 13.5 | 104.2 | Really Low | 04:29:11 - 04:38:29 | 6407 |
| Reno | 04:33:50 | -12.6 | AT | Up | 14.1 | 104.6 | Really Low | 04:29:11 - 04:38:29 | 6386 |
| Carson City | 04:33:51 | -12.8 | AT | Up | 14.2 | 104.5 | Really Low | 04:29:12 - 04:38:30 | 6354 |
| Yerington | 04:33:50 | -13.3 | AT | Up | 14.7 | 104.9 | Really Low | 04:29:11 - 04:38:29 | 6340 |
| Gardnerville | 04:33:51 | -13.0 | AT | Up | 14.3 | 104.5 | Really Low | 04:29:12 - 04:38:30 | 6332 |
| Hawthorne | 04:33:51 | -13.9 | AT | Up | 15.2 | 105.2 | Really Low | 04:29:12 - 04:38:30 | 6300 |
| Tonopah | 04:33:50 | -15.1 | AT | Up | 16.4 | 106.0 | Really Low | 04:29:11 - 04:38:29 | 6265 |
| Lee Vining | 04:33:54 | -14.1 | AT | Up | 15.0 | 104.7 | Really Low | 04:29:15 - 04:38:33 | 6247 |
| Bishop | 04:33:54 | -14.9 | AT | Up | 15.7 | 105.0 | Really Low | 04:29:15 - 04:38:33 | 6196 |
| Beatty | 04:33:52 | -16.1 | AT | Up | 17.1 | 106.0 | Really Low | 04:29:13 - 04:38:31 | 6162 |
| Indian Springs | 04:33:51 | -17.0 | AT | Up | 18.0 | 106.6 | Really Low | 04:29:12 - 04:38:30 | 6137 |
| Henderson | 04:33:52 | -17.8 | AT | Up | 18.7 | 106.9 | Really Low | 04:29:13 - 04:38:31 | 6091 |
| Patrick | 04:33:51 | -18.8 | Dark | Up | 19.8 | 107.4 | Really Low | 04:29:12 - 04:38:30 | 6039 |
| Kingman/Dolan Springs | 04:33:52 | -18.9 | Dark | Up | 19.7 | 107.2 | Really Low | 04:29:13 - 04:38:31 | 6018 |
| Laughlin/Bullhead City | 04:33:53 | -18.6 | Dark | Up | 19.3 | 106.9 | Really Low | 04:29:14 - 04:38:32 | 6012 |
| Mohave Valley | 04:33:54 | -18.8 | Dark | Up | 19.4 | 106.8 | Really Low | 04:29:15 - 04:38:33 | 5987 |
| Lake Havasu City | 04:33:54 | -19.3 | Dark | Up | 19.7 | 106.8 | Really Low | 04:29:15 - 04:38:33 | 5951 |
| Parker | 04:33:55 | -19.5 | Dark | Up | 19.8 | 106.7 | Really Low | 04:29:16 - 04:38:34 | 5918 |
| George/Scottsdale | 04:33:51 | -21.2 | Dark | Up | 21.9 | 108.2 | Low | 04:29:12 - 04:38:30 | 5891 |
| Wildwood | 04:34:03 | -17.0 | AT | Up | 16.4 | 104.0 | Really Low | 04:29:24 - 04:38:42 | 5890 |
| Idyllwild | 04:34:01 | -18.4 | Dark | Up | 18.0 | 105.1 | Really Low | 04:29:22 - 04:38:40 | 5867 |
| Calipatria | 04:34:00 | -19.5 | Dark | Up | 19.1 | 105.6 | Really Low | 04:29:21 - 04:38:39 | 5814 |
| Yuma | 04:33:59 | -20.4 | Dark | Up | 20.0 | 106.0 | Really Low | 04:29:20 - 04:38:38 | 5778 |
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 552678, (2023/05/30 04:29UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 30.33 63 60Bet Oph 17:43:28.3 +04:34:06 2.8 6.51 79 PPM 180184 17:51:59.5 -01:14:12 6.3 2.13 81 PPM 180143 17:44:00.8 -01:48:26 7.8 0.14 79 PPM 180142 17:43:39.0 -01:59:23 9.1 0.09 79 552678 17:43:56.5 -01:56:35 16.9 79 Positions are for J2000
Event circumstances last updated at 2022/10/04 04:16:24 UT
Marc W. Buie, Southwest Research Institute