Event between (341275) 07RG283 and star GA1260:03027615 with event index number of 1216352
Geocentric closest approach at 2023/02/21 03:19:45 UTC
J2000 position of star is 07:01:02.2 +37:06:50
Equinox of date position of star is 07:02:20.0 +37:05:08
Stellar brightness G=15.2,
use SENSEUP=128
Star is 119 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=20.6
[RECON map]
TNO is 15.3 AU from the Sun
and 14.6 AU from the Earth.
The TNO is moving 15.3
km/sec on the sky relative to the star, or,
5.2 arcsec/hr.
The 1-sigma error in the time of the event is 458 seconds.
The 1-sigma cross-track error in the shadow position is
5650 km.
The sky-plane scale is
10615.4 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 7.5 sec chord
Diameter=46.9 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
Star training set for 341275, (2023/02/21 03:20UT) Object RA Dec mag sep mel Pollux 07:46:43.9 +27:58:06 1.1 13.00 129 62 Aur 07:00:37.3 +38:01:06 6.0 1.02 118 PPM 072381 07:05:11.2 +37:17:41 8.0 0.56 119 PPM 072329 07:02:20.5 +37:05:39 8.6 0.05 118 341275 07:02:35.9 +37:04:47 15.2 119 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
2.0 sigma about the mid-time.
The median site spacing is 17.4 km
RECON observability=1.0 and success probability=7.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 03:20:29 | -19.3 | Dark | Down | 68.7 | 117.9 | Up | 03:05:29 - 03:35:29 | 2958 |
| Summerland | 03:20:31 | -19.1 | Dark | Down | 68.7 | 116.8 | Up | 03:05:31 - 03:35:31 | 2950 |
| Penticton | 03:20:31 | -19.2 | Dark | Down | 68.8 | 116.8 | Up | 03:05:31 - 03:35:31 | 2940 |
| Okanagan Falls | 03:20:33 | -19.2 | Dark | Down | 68.9 | 116.3 | Up | 03:05:33 - 03:35:33 | 2927 |
| Oliver | 03:20:33 | -19.3 | Dark | Down | 68.9 | 116.0 | Up | 03:05:33 - 03:35:33 | 2914 |
| Anarchist Mountain Observatory | 03:20:33 | -19.4 | Dark | Down | 69.1 | 115.9 | Up | 03:05:33 - 03:35:33 | 2892 |
| Oroville | 03:20:34 | -19.4 | Dark | Down | 69.1 | 115.6 | Up | 03:05:34 - 03:35:34 | 2890 |
| Tonasket | 03:20:35 | -19.4 | Dark | Down | 69.2 | 115.0 | Up | 03:05:35 - 03:35:35 | 2873 |
| Okanogan | 03:20:37 | -19.3 | Dark | Down | 69.3 | 114.0 | Up | 03:05:37 - 03:35:37 | 2855 |
| Manson/Chelan | 03:20:42 | -19.0 | Dark | Down | 69.1 | 112.1 | Up | 03:05:42 - 03:35:42 | 2848 |
| Brewster | 03:20:40 | -19.2 | Dark | Down | 69.3 | 113.1 | Up | 03:05:40 - 03:35:40 | 2845 |
| Entiat | 03:20:44 | -19.0 | Dark | Down | 69.2 | 111.5 | Up | 03:05:44 - 03:35:44 | 2835 |
| Wenatchee | 03:20:45 | -19.0 | Dark | Down | 69.2 | 110.7 | Up | 03:05:45 - 03:35:45 | 2822 |
| Ellensburg | 03:20:48 | -18.9 | Dark | Down | 69.2 | 109.4 | Up | 03:05:48 - 03:35:48 | 2802 |
| Yakima | 03:20:51 | -18.9 | Dark | Down | 69.4 | 108.4 | Up | 03:05:51 - 03:35:51 | 2773 |
| Toppenish/White Swan | 03:20:51 | -19.0 | Dark | Down | 69.5 | 108.0 | Up | 03:05:51 - 03:35:51 | 2748 |
| The Dalles | 03:20:54 | -18.5 | Dark | Down | 69.2 | 105.1 | Up | 03:05:54 - 03:35:54 | 2733 |
| Goldendale | 03:20:54 | -18.8 | Dark | Down | 69.4 | 106.1 | Up | 03:05:54 - 03:35:54 | 2729 |
| Maupin | 03:20:54 | -18.6 | Dark | Down | 69.4 | 104.1 | Up | 03:05:54 - 03:35:54 | 2696 |
| Pasco | 03:20:47 | -19.9 | Dark | Down | 70.4 | 109.4 | Up | 03:05:47 - 03:35:47 | 2674 |
| Sisters | 03:20:54 | -18.3 | Dark | Down | 69.3 | 101.3 | Up | 03:05:54 - 03:35:54 | 2662 |
| Madras/Culver | 03:20:54 | -18.6 | Dark | Down | 69.5 | 102.7 | Up | 03:05:54 - 03:35:54 | 2660 |
| George/Umatilla | 03:20:50 | -19.8 | Dark | Down | 70.4 | 108.2 | Up | 03:05:50 - 03:35:50 | 2660 |
| PNWRO | 03:20:48 | -20.1 | Dark | Down | 70.6 | 109.1 | Up | 03:05:48 - 03:35:48 | 2643 |
| Redmond | 03:20:54 | -18.6 | Dark | Down | 69.5 | 101.7 | Up | 03:05:54 - 03:35:54 | 2638 |
| Bend | 03:20:54 | -18.5 | Dark | Down | 69.5 | 101.0 | Up | 03:05:54 - 03:35:54 | 2631 |
| Oregon Observatory | 03:20:54 | -18.4 | Dark | Down | 69.4 | 100.4 | Up | 03:05:54 - 03:35:54 | 2627 |
| La Pine/Gilchrist | 03:20:54 | -18.4 | Dark | Down | 69.4 | 99.8 | Up | 03:05:54 - 03:35:54 | 2616 |
| North Lake | 03:20:54 | -18.9 | Dark | Down | 69.9 | 99.2 | Up | 03:05:54 - 03:35:54 | 2551 |
| Chiloquin | 03:21:16 | -18.3 | Dark | Down | 69.4 | 96.6 | Up | 03:06:16 - 03:36:16 | 2541 |
| Klamath Falls | 03:21:17 | -18.3 | Dark | Down | 69.5 | 95.8 | Up | 03:06:17 - 03:36:17 | 2511 |
| Paisley | 03:20:54 | -19.2 | Dark | Down | 70.3 | 98.1 | Up | 03:05:54 - 03:35:54 | 2492 |
| Tulelake | 03:21:18 | -18.6 | Dark | Down | 69.7 | 95.3 | Up | 03:06:18 - 03:36:18 | 2474 |
| Lakeview | 03:20:54 | -19.3 | Dark | Down | 70.5 | 96.8 | Up | 03:05:54 - 03:35:54 | 2446 |
| Fall River/Burney | 03:21:22 | -18.7 | Dark | Down | 69.9 | 92.9 | Up | 03:06:22 - 03:36:22 | 2400 |
| Cedarville | 03:21:16 | -19.6 | Dark | Down | 70.7 | 95.2 | Up | 03:06:16 - 03:36:16 | 2368 |
| Susanville | 03:21:23 | -19.3 | Dark | Down | 70.5 | 91.7 | Up | 03:06:23 - 03:36:23 | 2309 |
| Greenville | 03:21:25 | -19.1 | Dark | Down | 70.3 | 90.7 | Up | 03:06:25 - 03:36:25 | 2304 |
| Gimple | 03:21:25 | -19.1 | Dark | Down | 70.3 | 90.8 | Up | 03:06:25 - 03:36:25 | 2299 |
| Quincy | 03:21:26 | -19.1 | Dark | Down | 70.3 | 90.2 | Up | 03:06:26 - 03:36:26 | 2288 |
| Portola | 03:21:25 | -19.4 | Dark | Down | 70.6 | 90.1 | Up | 03:06:25 - 03:36:25 | 2251 |
| Reno | 03:21:25 | -20.0 | Dark | Down | 71.1 | 89.8 | Up | 03:06:25 - 03:36:25 | 2193 |
| Carson City | 03:21:26 | -20.0 | Dark | Down | 71.1 | 88.7 | Up | 03:06:26 - 03:36:26 | 2163 |
| Gardnerville | 03:21:27 | -20.0 | Dark | Down | 71.2 | 88.1 | Up | 03:06:27 - 03:36:27 | 2141 |
| Yerington | 03:21:24 | -20.5 | Dark | Down | 71.6 | 88.5 | Up | 03:06:24 - 03:36:24 | 2111 |
| Hawthorne | 03:21:25 | -20.9 | Dark | Down | 72.0 | 87.4 | Up | 03:06:25 - 03:36:25 | 2044 |
| Lee Vining | 03:21:30 | -20.6 | Dark | Down | 71.6 | 85.5 | Up | 03:06:30 - 03:36:30 | 2027 |
| Bishop | 03:21:30 | -21.2 | Dark | Down | 72.1 | 83.9 | Up | 03:06:30 - 03:36:30 | 1936 |
| Tonopah | 03:21:22 | -22.0 | Dark | Down | 73.1 | 86.6 | Up | 03:06:22 - 03:36:22 | 1925 |
| CPSLO | 03:21:49 | -19.5 | Dark | Down | 70.1 | 77.5 | Up | 03:06:49 - 03:36:49 | 1906 |
| Lone Pine | 03:21:32 | -21.5 | Dark | Down | 72.3 | 81.7 | Up | 03:06:32 - 03:36:32 | 1855 |
| Beatty | 03:21:25 | -22.5 | Dark | Down | 73.4 | 83.0 | Up | 03:06:25 - 03:36:25 | 1804 |
| Indian Springs | 03:21:23 | -23.4 | Dark | Down | 74.2 | 82.1 | Up | 03:06:23 - 03:36:23 | 1714 |
| Wildwood | 03:21:47 | -21.2 | Dark | Down | 71.4 | 74.2 | Up | 03:06:47 - 03:36:47 | 1683 |
| Henderson | 03:21:22 | -24.0 | Dark | Down | 74.6 | 80.3 | Up | 03:06:22 - 03:36:22 | 1629 |
| Searchlight/Boulder City | 03:21:25 | -24.1 | Dark | Down | 74.6 | 78.3 | Up | 03:06:25 - 03:36:25 | 1578 |
| Idyllwild | 03:21:40 | -22.7 | Dark | Down | 72.8 | 72.8 | Up | 03:06:40 - 03:36:40 | 1539 |
| Laughlin/Bullhead City | 03:21:25 | -24.4 | Dark | Down | 74.8 | 77.2 | Up | 03:06:25 - 03:36:25 | 1532 |
| Patrick | 03:21:21 | -24.9 | Dark | Down | 75.4 | 78.0 | Up | 03:06:21 - 03:36:21 | 1512 |
| Mohave Valley | 03:21:26 | -24.4 | Dark | Down | 74.8 | 76.2 | Up | 03:06:26 - 03:36:26 | 1509 |
| Kingman/Dolan Springs | 03:21:22 | -24.8 | Dark | Down | 75.2 | 77.2 | Up | 03:06:22 - 03:36:22 | 1504 |
| Lake Havasu City | 03:21:27 | -24.6 | Dark | Down | 74.9 | 74.7 | Up | 03:06:27 - 03:36:27 | 1461 |
| Niwot | 03:20:22 | -30.8 | Dark | Down | 82.0 | 108.9 | Up | 03:05:22 - 03:35:22 | 1456 |
| SwRI | 03:20:23 | -30.8 | Dark | Down | 81.9 | 107.9 | Up | 03:05:23 - 03:35:23 | 1451 |
| DCO | 03:21:19 | -25.5 | Dark | Down | 75.9 | 76.8 | Up | 03:06:19 - 03:36:19 | 1445 |
| Parker | 03:21:28 | -24.7 | Dark | Down | 74.8 | 73.5 | Up | 03:06:28 - 03:36:28 | 1429 |
| Calipatria | 03:21:38 | -23.7 | Dark | Down | 73.5 | 70.5 | Up | 03:06:38 - 03:36:38 | 1417 |
| Blythe | 03:21:32 | -24.5 | Dark | Down | 74.4 | 71.7 | Up | 03:06:32 - 03:36:32 | 1402 |
| Yuma | 03:21:36 | -24.5 | Dark | Down | 74.1 | 68.7 | Up | 03:06:36 - 03:36:36 | 1326 |
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 341275, (2023/02/21 03:20UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 13.00 129 62 Aur 06:59:02.8 +38:03:06 6.0 1.02 118 PPM 072381 07:03:37.4 +37:19:50 8.0 0.56 119 PPM 072329 07:00:46.8 +37:07:42 8.6 0.05 118 341275 07:01:02.2 +37:06:50 15.2 119 Positions are for J2000
Event circumstances last updated at 2019/03/19 03:05:34 UT
Marc W. Buie, Southwest Research Institute