Event between 15RR280 and star GA0920:00088376 with event index number of 2689574
Geocentric closest approach at 2022/12/04 02:02:35 UTC
J2000 position of star is 00:59:27.3 +02:53:56
Equinox of date position of star is 01:00:34.8 +03:00:58
Stellar brightness G=11.1,
use SENSEUP=8 with the MallinCam and and exposure
time of 125 milli-seconds with the QHY174 camera.
Star is 10 degrees from the moon.
Moon is 84% illuminated.
TNO apparent brightness V=24.1
[RECON map]
TNO is 40.0 AU from the Sun
and 39.5 AU from the Earth.
The TNO is moving 12.4
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 219 seconds.
The 1-sigma cross-track error in the shadow position is
1831 km.
The sky-plane scale is
28628.2 km/arcsec.
The TNO has an absolute magnitude Hv=8.0
Diameter=149.3 km assuming a 5% albedo -- 12.1 sec chord
Diameter=60.9 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is SCATEXTD
Star training set for 15RR280, (2022/12/04 02:03UT) Object RA Dec mag sep mel Fomalhaut 22:58:54.7 -29:30:01 1.2 43.66 53 Algenib 00:14:25.2 +15:18:39 2.8 16.75 21 26 Cet 01:04:59.9 +01:29:21 6.0 1.88 10 PPM 144182 01:03:10.7 +02:38:57 7.8 0.74 10 PPM 144133 01:00:36.3 +03:12:15 10.0 0.18 10 15RR280 01:00:38.2 +03:01:19 11.1 10 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
4.1 sigma about the mid-time.
The median site spacing is 14.6 km
RECON observability=1.0 and success probability=9.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Victoria | 02:02:38 | -16.3 | AT | Up | 35.6 | 135.6 | Up | 01:47:38 - 02:17:38 | 3852 |
| Clarence Fulton | 02:02:09 | -19.2 | Dark | Up | 36.0 | 140.9 | Up | 01:47:09 - 02:17:09 | 3808 |
| Peachland | 02:02:14 | -18.8 | Dark | Up | 36.2 | 140.1 | Up | 01:47:14 - 02:17:14 | 3799 |
| Kelowna | 02:02:12 | -19.0 | Dark | Up | 36.2 | 140.5 | Up | 01:47:12 - 02:17:12 | 3795 |
| Summerland | 02:02:15 | -18.9 | Dark | Up | 36.4 | 140.2 | Up | 01:47:15 - 02:17:15 | 3789 |
| Penticton | 02:02:14 | -18.9 | Dark | Up | 36.5 | 140.3 | Up | 01:47:14 - 02:17:14 | 3782 |
| Oliver | 02:02:16 | -18.9 | Dark | Up | 36.7 | 140.1 | Up | 01:47:16 - 02:17:16 | 3766 |
| Anarchist Mountain Observatory | 02:02:16 | -18.9 | Dark | Up | 36.9 | 140.2 | Up | 01:47:16 - 02:17:16 | 3752 |
| Tonasket | 02:02:18 | -18.8 | Dark | Up | 37.1 | 140.0 | Up | 01:47:18 - 02:17:18 | 3739 |
| Okanogan | 02:02:22 | -18.7 | Dark | Up | 37.3 | 139.7 | Up | 01:47:22 - 02:17:22 | 3727 |
| Manson/Chelan | 02:02:27 | -18.2 | Dark | Up | 37.5 | 138.8 | Up | 01:47:27 - 02:17:27 | 3722 |
| Brewster | 02:02:24 | -18.5 | Dark | Up | 37.5 | 139.4 | Up | 01:47:24 - 02:17:24 | 3720 |
| Wenatchee | 02:02:30 | -18.0 | AT | Up | 37.8 | 138.4 | Up | 01:47:30 - 02:17:30 | 3704 |
| Ellensburg | 02:02:34 | -17.8 | AT | Up | 38.0 | 138.0 | Up | 01:47:34 - 02:17:34 | 3690 |
| Yakima | 02:02:36 | -17.7 | AT | Up | 38.3 | 137.8 | Up | 01:47:36 - 02:17:36 | 3670 |
| Toppenish/White Swan | 02:02:37 | -17.7 | AT | Up | 38.5 | 137.8 | Up | 01:47:37 - 02:17:37 | 3653 |
| Goldendale | 02:02:43 | -17.3 | AT | Up | 38.7 | 137.1 | Up | 01:47:43 - 02:17:43 | 3639 |
| The Dalles | 02:02:45 | -17.0 | AT | Up | 38.7 | 136.6 | Up | 01:47:45 - 02:17:45 | 3639 |
| Maupin | 02:02:47 | -17.0 | AT | Up | 39.1 | 136.5 | Up | 01:47:47 - 02:17:47 | 3614 |
| Pasco | 02:02:31 | -18.5 | Dark | Up | 39.2 | 139.2 | Up | 01:47:31 - 02:17:31 | 3606 |
| PNWRO | 02:02:32 | -18.6 | Dark | Up | 39.5 | 139.3 | Up | 01:47:32 - 02:17:32 | 3586 |
| Sisters | 02:02:55 | -16.4 | AT | Up | 39.5 | 135.4 | Up | 01:47:55 - 02:17:55 | 3583 |
| Redmond | 02:02:53 | -16.7 | AT | Up | 39.7 | 135.9 | Up | 01:47:53 - 02:17:53 | 3569 |
| Bend | 02:02:55 | -16.6 | AT | Up | 39.8 | 135.6 | Up | 01:47:55 - 02:17:55 | 3562 |
| Oregon Observatory | 02:02:56 | -16.4 | AT | Up | 39.9 | 135.4 | Up | 01:47:56 - 02:17:56 | 3557 |
| La Pine/Gilchrist | 02:02:59 | -16.3 | AT | Up | 40.0 | 135.2 | Up | 01:47:59 - 02:17:59 | 3548 |
| North Lake | 02:02:58 | -16.7 | AT | Up | 40.6 | 135.6 | Up | 01:47:58 - 02:17:58 | 3504 |
| Chiloquin | 02:03:07 | -15.8 | AT | Up | 40.6 | 134.1 | Up | 01:48:07 - 02:18:07 | 3498 |
| Klamath Falls | 02:03:08 | -15.8 | AT | Up | 40.9 | 134.0 | Up | 01:48:08 - 02:18:08 | 3476 |
| Paisley | 02:03:00 | -16.8 | AT | Up | 41.2 | 135.7 | Up | 01:48:00 - 02:18:00 | 3460 |
| Lakeview | 02:03:02 | -16.8 | AT | Up | 41.6 | 135.6 | Up | 01:48:02 - 02:18:02 | 3425 |
| Fall River/Burney | 02:03:14 | -15.8 | AT | Up | 41.9 | 133.7 | Up | 01:48:14 - 02:18:14 | 3395 |
| Cedarville | 02:03:04 | -16.7 | AT | Up | 42.2 | 135.4 | Up | 01:48:04 - 02:18:04 | 3381 |
| Susanville | 02:03:14 | -16.1 | AT | Up | 42.7 | 134.2 | Up | 01:48:14 - 02:18:14 | 3331 |
| Greenville | 02:03:17 | -15.8 | AT | Up | 42.8 | 133.7 | Up | 01:48:17 - 02:18:17 | 3325 |
| Gimple | 02:03:16 | -15.9 | AT | Up | 42.8 | 133.7 | Up | 01:48:16 - 02:18:16 | 3322 |
| Quincy | 02:03:18 | -15.8 | AT | Up | 42.9 | 133.5 | Up | 01:48:18 - 02:18:18 | 3313 |
| Portola | 02:03:17 | -16.1 | AT | Up | 43.3 | 134.0 | Up | 01:48:17 - 02:18:17 | 3288 |
| Reno | 02:03:14 | -16.5 | AT | Up | 43.8 | 134.5 | Up | 01:48:14 - 02:18:14 | 3249 |
| Carson City | 02:03:17 | -16.4 | AT | Up | 44.1 | 134.3 | Up | 01:48:17 - 02:18:17 | 3226 |
| Gardnerville | 02:03:18 | -16.4 | AT | Up | 44.3 | 134.2 | Up | 01:48:18 - 02:18:18 | 3209 |
| Yerington | 02:03:15 | -16.9 | AT | Up | 44.6 | 134.9 | Up | 01:48:15 - 02:18:15 | 3190 |
| Hawthorne | 02:03:15 | -17.1 | AT | Up | 45.2 | 135.2 | Up | 01:48:15 - 02:18:15 | 3141 |
| Lee Vining | 02:03:20 | -16.6 | AT | Up | 45.3 | 134.3 | Up | 01:48:20 - 02:18:20 | 3124 |
| Tonopah | 02:03:10 | -18.1 | Dark | Up | 46.3 | 136.6 | Up | 01:48:10 - 02:18:10 | 3059 |
| Bishop | 02:03:20 | -17.0 | AT | Up | 46.2 | 134.7 | Up | 01:48:20 - 02:18:20 | 3057 |
| CPSLO | 02:03:43 | -14.8 | AT | Up | 46.3 | 130.6 | Up | 01:48:43 - 02:18:43 | 3006 |
| Beatty | 02:03:14 | -18.1 | Dark | Up | 47.4 | 136.3 | Up | 01:48:14 - 02:18:14 | 2965 |
| Indian Springs | 02:03:10 | -18.9 | Dark | Up | 48.2 | 137.4 | Up | 01:48:10 - 02:18:10 | 2901 |
| Wildwood | 02:03:39 | -16.0 | AT | Up | 48.3 | 132.0 | Up | 01:48:39 - 02:18:39 | 2844 |
| Henderson | 02:03:09 | -19.3 | Dark | Up | 49.0 | 137.8 | Up | 01:48:09 - 02:18:09 | 2837 |
| Laughlin/Bullhead City | 02:03:11 | -19.4 | Dark | Up | 49.9 | 137.7 | Up | 01:48:11 - 02:18:11 | 2760 |
| Patrick | 02:03:06 | -20.0 | Dark | Up | 50.0 | 138.8 | Up | 01:48:06 - 02:18:06 | 2750 |
| Idyllwild | 02:03:31 | -17.4 | AT | Up | 49.7 | 133.9 | Up | 01:48:31 - 02:18:31 | 2745 |
| Dunrhomin | 02:01:52 | -27.4 | Dark | Up | 49.7 | 153.7 | Up | 01:46:52 - 02:16:52 | 2744 |
| Kingman/Dolan Springs | 02:03:08 | -19.8 | Dark | Up | 50.1 | 138.4 | Up | 01:48:08 - 02:18:08 | 2742 |
| Mohave Valley | 02:03:13 | -19.4 | Dark | Up | 50.1 | 137.5 | Up | 01:48:13 - 02:18:13 | 2741 |
| Lake Havasu City | 02:03:14 | -19.5 | Dark | Up | 50.5 | 137.5 | Up | 01:48:14 - 02:18:14 | 2703 |
| Parker | 02:03:15 | -19.4 | Dark | Up | 50.8 | 137.2 | Up | 01:48:15 - 02:18:15 | 2676 |
| Calipatria | 02:03:28 | -18.2 | Dark | Up | 50.8 | 134.8 | Up | 01:48:28 - 02:18:28 | 2653 |
| Blythe | 02:03:20 | -19.1 | Dark | Up | 51.0 | 136.4 | Up | 01:48:20 - 02:18:20 | 2651 |
| Yuma | 02:03:25 | -18.8 | Dark | Up | 51.7 | 135.6 | Up | 01:48:25 - 02:18:25 | 2585 |
| George/Scottsdale | 02:03:03 | -21.2 | Dark | Up | 52.4 | 140.1 | Up | 01:48:03 - 02:18:03 | 2547 |
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 15RR280, (2022/12/04 02:03UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 43.66 53 Algenib 00:13:14.2 +15:11:01 2.8 16.75 21 26 Cet 01:03:49.2 +01:22:00 6.0 1.88 10 PPM 144182 01:01:59.9 +02:31:34 7.8 0.74 10 PPM 144133 00:59:25.3 +03:04:52 10.0 0.18 10 15RR280 00:59:27.3 +02:53:56 11.1 10 Positions are for J2000
Event circumstances last updated at 2021/11/02 01:00:54 UT
Marc W. Buie, Southwest Research Institute