Event between 10WG9 and star GA1220:02804415 with event index number of 1288755
Geocentric closest approach at 2023/11/01 11:17:26 UTC
J2000 position of star is 06:34:37.4 +33:00:31
Equinox of date position of star is 06:35:53.8 +32:59:31
Stellar brightness G=14.7,
use SENSEUP=128
Star is 14 degrees from the moon.
Moon is 85% illuminated.
TNO apparent brightness V=22.7
[RECON map]
TNO is 27.0 AU from the Sun
and 26.5 AU from the Earth.
The TNO is moving 17.1
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 267 seconds.
The 1-sigma cross-track error in the shadow position is
5178 km.
The sky-plane scale is
19231.6 km/arcsec.
The TNO has an absolute magnitude Hv=8.2
Diameter=134.9 km assuming a 5% albedo -- 7.9 sec chord
Diameter=55.1 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 10WG9, (2023/11/01 11:17UT) Object RA Dec mag sep mel Pollux 07:46:46.5 +27:58:00 1.1 15.99 29 34Bet Aur 06:01:16.7 +44:56:50 1.9 13.73 18 PPM 071742 06:34:00.5 +32:26:09 6.0 0.72 13 PPM 071825 06:37:11.1 +32:33:21 7.9 0.48 14 PPM 071786 06:35:48.2 +33:09:35 10.0 0.19 14 PPM 071823 06:37:02.5 +32:59:10 10.6 0.18 14 10WG9 06:36:11.1 +32:59:17 14.7 14 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
3.4 sigma about the mid-time.
The median site spacing is 15.2 km
RECON observability=1.0 and success probability=7.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 11:19:01 | -33.6 | Dark | Up | 72.2 | 158.2 | Up | 11:04:01 - 11:34:01 | 919 |
| Summerland | 11:19:01 | -33.8 | Dark | Up | 72.4 | 157.1 | Up | 11:04:01 - 11:34:01 | 881 |
| Penticton | 11:19:01 | -33.8 | Dark | Up | 72.4 | 157.3 | Up | 11:04:01 - 11:34:01 | 880 |
| Okanagan Falls | 11:19:00 | -33.9 | Dark | Up | 72.6 | 157.0 | Up | 11:04:00 - 11:34:00 | 862 |
| Oliver | 11:18:59 | -33.9 | Dark | Up | 72.8 | 156.9 | Up | 11:03:59 - 11:33:59 | 848 |
| Anarchist Mountain Observatory | 11:18:58 | -33.8 | Dark | Up | 73.0 | 157.2 | Up | 11:03:58 - 11:33:58 | 840 |
| Oroville | 11:18:59 | -33.9 | Dark | Up | 73.0 | 156.9 | Up | 11:03:59 - 11:33:59 | 830 |
| Tonasket | 11:18:57 | -34.0 | Dark | Up | 73.2 | 156.6 | Up | 11:03:57 - 11:33:57 | 810 |
| Niwot | 11:17:33 | -25.7 | Dark | Up | 81.4 | 216.3 | Up | 11:02:33 - 11:32:33 | 776 |
| Okanogan | 11:18:57 | -34.2 | Dark | Up | 73.5 | 155.7 | Up | 11:03:57 - 11:33:57 | 773 |
| SwRI | 11:17:33 | -25.8 | Dark | Up | 81.5 | 216.2 | Up | 11:02:33 - 11:32:33 | 762 |
| Brewster | 11:18:57 | -34.4 | Dark | Up | 73.7 | 154.7 | Up | 11:03:57 - 11:33:57 | 740 |
| Manson/Chelan | 11:18:58 | -34.7 | Dark | Up | 73.8 | 153.4 | Up | 11:03:58 - 11:33:58 | 706 |
| Entiat | 11:18:57 | -34.8 | Dark | Up | 74.0 | 152.8 | Up | 11:03:57 - 11:33:57 | 683 |
| Wenatchee | 11:18:56 | -35.0 | Dark | Up | 74.1 | 152.1 | Up | 11:03:56 - 11:33:56 | 655 |
| Ellensburg | 11:18:56 | -35.2 | Dark | Up | 74.4 | 150.8 | Up | 11:03:56 - 11:33:56 | 608 |
| Pasco | 11:18:48 | -34.5 | Dark | Up | 75.5 | 153.7 | Up | 11:03:48 - 11:33:48 | 601 |
| PNWRO | 11:18:46 | -34.5 | Dark | Up | 75.8 | 154.0 | Up | 11:03:46 - 11:33:46 | 589 |
| Yakima | 11:18:54 | -35.4 | Dark | Up | 74.8 | 150.0 | Up | 11:03:54 - 11:33:54 | 570 |
| George/Umatilla | 11:18:47 | -34.8 | Dark | Up | 75.8 | 152.4 | Up | 11:03:47 - 11:33:47 | 561 |
| Toppenish/White Swan | 11:18:53 | -35.3 | Dark | Up | 75.0 | 150.1 | Up | 11:03:53 - 11:33:53 | 557 |
| Goldendale | 11:18:53 | -35.8 | Dark | Up | 75.3 | 147.7 | Up | 11:03:53 - 11:33:53 | 488 |
| The Dalles | 11:18:53 | -36.1 | Dark | Up | 75.4 | 146.2 | Up | 11:03:53 - 11:33:53 | 452 |
| Maupin | 11:18:51 | -36.2 | Dark | Up | 75.8 | 145.6 | Up | 11:03:51 - 11:33:51 | 418 |
| Madras/Culver | 11:18:50 | -36.3 | Dark | Up | 76.2 | 144.2 | Up | 11:03:50 - 11:33:50 | 365 |
| Redmond | 11:18:49 | -36.5 | Dark | Up | 76.5 | 143.1 | Up | 11:03:49 - 11:33:49 | 330 |
| Sisters | 11:18:51 | -36.8 | Dark | Up | 76.3 | 142.0 | Up | 11:03:51 - 11:33:51 | 315 |
| Bend | 11:18:49 | -36.7 | Dark | Up | 76.6 | 142.1 | Up | 11:03:49 - 11:33:49 | 304 |
| Oregon Observatory | 11:18:49 | -36.8 | Dark | Up | 76.7 | 141.3 | Up | 11:03:49 - 11:33:49 | 282 |
| La Pine/Gilchrist | 11:18:48 | -36.9 | Dark | Up | 76.8 | 140.6 | Up | 11:03:48 - 11:33:48 | 261 |
| North Lake | 11:18:44 | -36.6 | Dark | Up | 77.4 | 141.2 | Up | 11:03:44 - 11:33:44 | 247 |
| Paisley | 11:18:41 | -36.5 | Dark | Up | 78.0 | 140.8 | Up | 11:03:41 - 11:33:41 | 212 |
| Lakeview | 11:18:39 | -36.5 | Dark | Up | 78.5 | 139.8 | Up | 11:03:39 - 11:33:39 | 174 |
| Chiloquin | 11:18:46 | -37.5 | Dark | Up | 77.4 | 136.2 | Up | 11:03:46 - 11:33:46 | 141 |
| Cedarville | 11:18:36 | -36.6 | Dark | Up | 79.0 | 138.2 | Up | 11:03:36 - 11:33:36 | 122 |
| Klamath Falls | 11:18:44 | -37.5 | Dark | Up | 77.7 | 135.3 | Up | 11:03:44 - 11:33:44 | 113 |
| Tulelake | 11:18:42 | -37.4 | Dark | Up | 78.1 | 135.4 | Up | 11:03:42 - 11:33:42 | 101 |
| Fall River/Burney | 11:18:39 | -37.6 | Dark | Up | 78.7 | 132.4 | Up | 11:03:39 - 11:33:39 | 20 |
| Susanville | 11:18:35 | -37.2 | Dark | Up | 79.6 | 132.4 | Up | 11:03:35 - 11:33:35 | -22 |
| Reno | 11:18:27 | -36.8 | Dark | Up | 80.6 | 131.6 | Up | 11:03:27 - 11:33:27 | -45 |
| Gimple | 11:18:35 | -37.4 | Dark | Up | 79.6 | 130.5 | Up | 11:03:35 - 11:33:35 | -46 |
| Greenville | 11:18:35 | -37.5 | Dark | Up | 79.6 | 130.3 | Up | 11:03:35 - 11:33:35 | -47 |
| Portola | 11:18:31 | -37.2 | Dark | Up | 80.1 | 130.4 | Up | 11:03:31 - 11:33:31 | -51 |
| Tonopah | 11:18:12 | -35.1 | Dark | Up | 83.1 | 135.1 | Up | 11:03:12 - 11:33:12 | -52 |
| Yerington | 11:18:23 | -36.4 | Dark | Up | 81.4 | 131.4 | Up | 11:03:23 - 11:33:23 | -64 |
| Quincy | 11:18:35 | -37.5 | Dark | Up | 79.7 | 129.4 | Up | 11:03:35 - 11:33:35 | -69 |
| Carson City | 11:18:26 | -36.8 | Dark | Up | 80.9 | 129.9 | Up | 11:03:26 - 11:33:26 | -77 |
| Hawthorne | 11:18:19 | -36.1 | Dark | Up | 82.0 | 131.2 | Up | 11:03:19 - 11:33:19 | -80 |
| Gardnerville | 11:18:25 | -36.8 | Dark | Up | 81.0 | 128.9 | Up | 11:03:25 - 11:33:25 | -97 |
| DCO | 11:17:44 | -32.3 | Dark | Up | 87.4 | 142.8 | Up | 11:02:44 - 11:32:44 | -99 |
| Indian Springs | 11:18:00 | -34.2 | Dark | Up | 85.0 | 133.7 | Up | 11:03:00 - 11:33:00 | -106 |
| Patrick | 11:17:48 | -32.9 | Dark | Up | 86.8 | 137.7 | Up | 11:02:48 - 11:32:48 | -111 |
| Henderson | 11:17:55 | -33.7 | Dark | Up | 85.7 | 134.0 | Up | 11:02:55 - 11:32:55 | -116 |
| Beatty | 11:18:06 | -34.9 | Dark | Up | 84.1 | 129.8 | Up | 11:03:06 - 11:33:06 | -133 |
| Kingman/Dolan Springs | 11:17:48 | -33.0 | Dark | Up | 86.8 | 132.8 | Up | 11:02:48 - 11:32:48 | -141 |
| Lee Vining | 11:18:19 | -36.6 | Dark | Up | 82.0 | 126.0 | Up | 11:03:19 - 11:33:19 | -156 |
| Searchlight/Boulder City | 11:17:52 | -33.7 | Dark | Up | 86.1 | 128.4 | Up | 11:02:52 - 11:32:52 | -164 |
| Laughlin/Bullhead City | 11:17:50 | -33.5 | Dark | Up | 86.5 | 127.6 | Up | 11:02:50 - 11:32:50 | -172 |
| Bishop | 11:18:14 | -36.1 | Dark | Up | 82.8 | 125.2 | Up | 11:03:14 - 11:33:14 | -175 |
| Mohave Valley | 11:17:49 | -33.5 | Dark | Up | 86.7 | 123.8 | Up | 11:02:49 - 11:32:49 | -196 |
| Lake Havasu City | 11:17:46 | -33.3 | Dark | Up | 87.1 | 119.6 | Up | 11:02:46 - 11:32:46 | -217 |
| Lone Pine | 11:18:10 | -36.0 | Dark | Up | 83.4 | 121.3 | Up | 11:03:10 - 11:33:10 | -227 |
| Parker | 11:17:45 | -33.3 | Dark | Up | 87.2 | 113.5 | Up | 11:02:45 - 11:32:45 | -247 |
| Blythe | 11:17:44 | -33.6 | Dark | Up | 87.2 | 101.5 | Up | 11:02:44 - 11:32:44 | -310 |
| Yuma | 11:17:41 | -33.7 | Dark | Up | 87.1 | 82.7 | Up | 11:02:41 - 11:32:41 | -394 |
| Calipatria | 11:17:46 | -34.4 | Dark | Up | 86.4 | 90.7 | Up | 11:02:46 - 11:32:46 | -406 |
| Idyllwild | 11:17:54 | -35.3 | Dark | Up | 85.4 | 97.6 | Up | 11:02:54 - 11:32:54 | -416 |
| CPSLO | 11:18:16 | -38.3 | Dark | Up | 82.0 | 104.0 | Up | 11:03:16 - 11:33:16 | -478 |
| Wildwood | 11:18:03 | -36.8 | Dark | Up | 83.9 | 98.2 | Up | 11:03:03 - 11:33:03 | -484 |
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 10WG9, (2023/11/01 11:17UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 15.99 29 34Bet Aur 05:59:31.6 +44:56:51 1.9 13.73 18 PPM 071742 06:32:27.1 +32:27:18 6.0 0.72 13 PPM 071825 06:35:37.7 +32:34:37 7.9 0.48 14 PPM 071786 06:34:14.3 +33:10:48 10.0 0.19 14 PPM 071823 06:35:28.8 +33:00:25 10.6 0.18 14 10WG9 06:34:37.4 +33:00:31 14.7 14 Positions are for J2000
Event circumstances last updated at 2019/06/08 06:07:18 UT
Marc W. Buie, Southwest Research Institute