Event between 07LE38 and star GA1020:05091579 with event index number of 2023551
Geocentric closest approach at 2023/06/29 09:17:55 UTC
J2000 position of star is 18:00:15.8 +12:35:37
Equinox of date position of star is 18:01:17.6 +12:35:38
Stellar brightness G=15.2,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 57 degrees from the moon.
Moon is 79% illuminated.
TNO apparent brightness V=23.4
[RECON map]
TNO is 42.6 AU from the Sun
and 41.7 AU from the Earth.
The TNO is moving 24.1
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 1034 seconds.
The 1-sigma cross-track error in the shadow position is
4528 km.
The sky-plane scale is
30274.5 km/arcsec.
The TNO has an absolute magnitude Hv=7.1
Diameter=233.4 km assuming a 5% albedo -- 9.7 sec chord
Diameter=95.3 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 07LE38, (2023/06/29 09:18UT) Object RA Dec mag sep mel Vega 18:37:44.0 +38:48:24 0.0 27.43 78 Rasalhague 17:36:01.5 +12:32:41 2.1 6.18 52 PPM 134301 18:08:53.3 +13:04:33 6.4 1.90 59 PPM 134079 18:00:06.1 +12:26:18 8.3 0.34 57 PPM 134098 18:00:58.3 +12:48:55 10.2 0.24 57 07LE38 18:01:21.1 +12:35:38 15.2 57 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
0.9 sigma about the mid-time.
The median site spacing is 27.8 km
RECON observability=1.0 and success probability=8.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 09:16:01 | -9.6 | NT | Down | 39.0 | 234.2 | Up | 09:01:01 - 09:31:01 | -2645 |
| Kamloops | 09:16:33 | -14.4 | AT | Down | 46.5 | 218.3 | Up | 09:01:33 - 09:31:33 | -2833 |
| Kelowna | 09:16:30 | -15.0 | AT | Down | 46.7 | 219.9 | Up | 09:01:30 - 09:31:30 | -2902 |
| Peachland | 09:16:30 | -15.2 | AT | Down | 46.9 | 219.6 | Up | 09:01:30 - 09:31:30 | -2913 |
| Summerland | 09:16:30 | -15.3 | AT | Down | 47.0 | 219.9 | Up | 09:01:30 - 09:31:30 | -2926 |
| Penticton | 09:16:29 | -15.4 | AT | Down | 47.0 | 220.0 | Up | 09:01:29 - 09:31:29 | -2932 |
| Oliver | 09:16:29 | -15.7 | AT | Down | 47.3 | 220.3 | Up | 09:01:29 - 09:31:29 | -2963 |
| Anarchist Mountain Observatory | 09:16:28 | -15.8 | AT | Down | 47.4 | 220.7 | Up | 09:01:28 - 09:31:28 | -2978 |
| Tonasket | 09:16:28 | -16.1 | AT | Down | 47.6 | 220.8 | Up | 09:01:28 - 09:31:28 | -3006 |
| Victoria | 09:16:39 | -17.0 | AT | Down | 49.4 | 215.6 | Up | 09:01:39 - 09:31:39 | -3033 |
| Okanogan | 09:16:28 | -16.5 | AT | Down | 47.9 | 220.8 | Up | 09:01:28 - 09:31:28 | -3037 |
| Brewster | 09:16:28 | -16.8 | AT | Down | 48.2 | 220.8 | Up | 09:01:28 - 09:31:28 | -3062 |
| Manson/Chelan | 09:16:29 | -17.0 | AT | Down | 48.5 | 220.4 | Up | 09:01:29 - 09:31:29 | -3082 |
| Wenatchee | 09:16:29 | -17.5 | AT | Down | 49.0 | 220.6 | Up | 09:01:29 - 09:31:29 | -3126 |
| Ellensburg | 09:16:29 | -18.0 | AT | Down | 49.4 | 220.6 | Up | 09:01:29 - 09:31:29 | -3164 |
| Yakima | 09:16:28 | -18.4 | Dark | Down | 49.7 | 220.9 | Up | 09:01:28 - 09:31:28 | -3202 |
| Toppenish/White Swan | 09:16:28 | -18.5 | Dark | Down | 49.8 | 221.3 | Up | 09:01:28 - 09:31:28 | -3221 |
| PNWRO | 09:16:23 | -18.6 | Dark | Down | 49.4 | 223.5 | Up | 09:01:23 - 09:31:23 | -3251 |
| Goldendale | 09:16:29 | -19.2 | Dark | Down | 50.4 | 221.1 | Up | 09:01:29 - 09:31:29 | -3274 |
| The Dalles | 09:16:29 | -19.4 | Dark | Down | 50.7 | 220.8 | Up | 09:01:29 - 09:31:29 | -3296 |
| Maupin | 09:16:29 | -19.8 | Dark | Down | 51.0 | 221.3 | Up | 09:01:29 - 09:31:29 | -3335 |
| Sisters | 09:16:29 | -20.8 | Dark | Down | 51.9 | 221.3 | Up | 09:01:29 - 09:31:29 | -3419 |
| Bend | 09:16:28 | -20.9 | Dark | Down | 52.0 | 221.9 | Up | 09:01:28 - 09:31:28 | -3441 |
| Oregon Observatory | 09:16:28 | -21.1 | Dark | Down | 52.2 | 221.9 | Up | 09:01:28 - 09:31:28 | -3458 |
| North Lake | 09:16:26 | -21.6 | Dark | Down | 52.4 | 223.2 | Up | 09:01:26 - 09:31:26 | -3517 |
| Chiloquin | 09:16:28 | -22.5 | Dark | Down | 53.3 | 222.4 | Up | 09:01:28 - 09:31:28 | -3585 |
| Lakeview | 09:16:23 | -22.5 | Dark | Down | 52.8 | 224.9 | Up | 09:01:23 - 09:31:23 | -3617 |
| Klamath Falls | 09:16:27 | -22.8 | Dark | Up | 53.5 | 222.9 | Up | 09:01:27 - 09:31:27 | -3618 |
| Cedarville | 09:16:22 | -23.1 | Dark | Down | 53.2 | 225.7 | Up | 09:01:22 - 09:31:22 | -3681 |
| Dunrhomin | 09:15:36 | -19.5 | Dark | Down | 44.8 | 244.1 | Up | 09:00:36 - 09:30:36 | -3719 |
| Fall River/Burney | 09:16:25 | -23.8 | Dark | Up | 54.2 | 224.5 | Up | 09:01:25 - 09:31:25 | -3732 |
| CU-SBO | 09:15:36 | -19.8 | Dark | Down | 44.9 | 244.2 | Up | 09:00:36 - 09:30:36 | -3744 |
| Susanville | 09:16:22 | -24.3 | Dark | Down | 54.3 | 226.1 | Up | 09:01:22 - 09:31:22 | -3791 |
| Gimple | 09:16:23 | -24.6 | Dark | Up | 54.6 | 226.1 | Up | 09:01:23 - 09:31:23 | -3820 |
| Greenville | 09:16:23 | -24.6 | Dark | Up | 54.6 | 226.0 | Up | 09:01:23 - 09:31:23 | -3820 |
| Quincy | 09:16:22 | -24.8 | Dark | Up | 54.7 | 226.2 | Up | 09:01:22 - 09:31:22 | -3840 |
| Portola | 09:16:21 | -24.8 | Dark | Up | 54.6 | 227.0 | Up | 09:01:21 - 09:31:21 | -3850 |
| Reno | 09:16:18 | -24.9 | Dark | Down | 54.4 | 228.2 | Up | 09:01:18 - 09:31:18 | -3874 |
| Carson City | 09:16:18 | -25.2 | Dark | Down | 54.6 | 228.6 | Up | 09:01:18 - 09:31:18 | -3910 |
| Yerington | 09:16:16 | -25.3 | Dark | Down | 54.4 | 229.6 | Up | 09:01:16 - 09:31:16 | -3927 |
| Gardnerville | 09:16:17 | -25.5 | Dark | Down | 54.7 | 228.9 | Up | 09:01:17 - 09:31:17 | -3934 |
| Hawthorne | 09:16:13 | -25.6 | Dark | Down | 54.4 | 230.8 | Up | 09:01:13 - 09:31:13 | -3971 |
| Tonopah | 09:16:09 | -25.6 | Dark | Down | 53.8 | 233.1 | Up | 09:01:09 - 09:31:09 | -4012 |
| Lee Vining | 09:16:15 | -26.2 | Dark | Down | 55.0 | 230.8 | Up | 09:01:15 - 09:31:15 | -4030 |
| Bishop | 09:16:12 | -26.6 | Dark | Down | 54.9 | 232.4 | Up | 09:01:12 - 09:31:12 | -4087 |
| Beatty | 09:16:06 | -26.6 | Dark | Down | 54.2 | 234.9 | Up | 09:01:06 - 09:31:06 | -4127 |
| Indian Springs | 09:16:02 | -26.5 | Dark | Down | 53.7 | 236.6 | Up | 09:01:02 - 09:31:02 | -4155 |
| Henderson | 09:16:00 | -26.8 | Dark | Down | 53.5 | 238.0 | Up | 09:01:00 - 09:31:00 | -4205 |
| Patrick | 09:15:55 | -27.0 | Dark | Down | 53.0 | 240.0 | Up | 09:00:55 - 09:30:55 | -4263 |
| Kingman/Dolan Springs | 09:15:55 | -27.3 | Dark | Down | 53.3 | 240.1 | Up | 09:00:55 - 09:30:55 | -4287 |
| Laughlin/Bullhead City | 09:15:57 | -27.5 | Dark | Down | 53.7 | 239.5 | Up | 09:00:57 - 09:30:57 | -4292 |
| Mohave Valley | 09:15:57 | -27.7 | Dark | Down | 53.8 | 239.8 | Up | 09:00:57 - 09:30:57 | -4320 |
| Lake Havasu City | 09:15:56 | -28.0 | Dark | Down | 53.8 | 240.6 | Up | 09:00:56 - 09:30:56 | -4360 |
| Parker | 09:15:56 | -28.3 | Dark | Down | 54.0 | 241.0 | Up | 09:00:56 - 09:30:56 | -4396 |
| Wildwood | 09:16:09 | -29.7 | Dark | Up | 57.0 | 236.0 | Up | 09:01:09 - 09:31:09 | -4422 |
| George/Scottsdale | 09:15:47 | -27.8 | Dark | Down | 52.4 | 244.1 | Up | 09:00:47 - 09:30:47 | -4425 |
| Idyllwild | 09:16:03 | -29.5 | Dark | Down | 55.9 | 238.8 | Up | 09:01:03 - 09:31:03 | -4450 |
| Calipatria | 09:15:58 | -29.7 | Dark | Down | 55.3 | 240.9 | Up | 09:00:58 - 09:30:58 | -4508 |
| Yuma | 09:15:55 | -29.7 | Dark | Down | 54.9 | 242.4 | Up | 09:00:55 - 09:30:55 | -4548 |
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 07LE38, (2023/06/29 09:18UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 27.43 78 Rasalhague 17:34:56.3 +12:33:31 2.1 6.18 52 PPM 134301 18:07:48.4 +13:04:16 6.4 1.90 59 PPM 134079 17:59:00.8 +12:26:19 8.3 0.34 57 PPM 134098 17:59:53.2 +12:48:54 10.2 0.24 57 07LE38 18:00:15.8 +12:35:37 15.2 57 Positions are for J2000
Event circumstances last updated at 2022/04/02 23:59:05 UT
Marc W. Buie, Southwest Research Institute