Event between (341275) 07RG283 and star GA1340:02993467 with event index number of 251673
Geocentric closest approach at 2020/03/24 06:12:29 UTC
J2000 position of star is 05:22:15.3 +44:16:02
Equinox of date position of star is 05:23:35.7 +44:17:02
Stellar brightness G=15.6,
use SENSEUP=128
Star is 83 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 15.4 AU from the Sun
and 15.6 AU from the Earth.
The TNO is moving 18.6
km/sec on the sky relative to the star, or,
5.9 arcsec/hr.
The 1-sigma error in the time of the event is 260 seconds.
The 1-sigma cross-track error in the shadow position is
4886 km.
The sky-plane scale is
11291.7 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 6.2 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 341275, (2020/03/24 06:12UT) Object RA Dec mag sep mel Aldebaran 04:37:05.0 +16:32:54 0.8 29.43 67 34Bet Aur 06:01:00.8 +44:56:50 1.9 6.66 89 20Rho Aur 05:23:14.4 +41:49:21 4.9 2.46 82 PPM 047996 05:21:30.7 +44:26:40 7.6 0.43 82 PPM 048025 05:22:42.9 +43:55:03 10.6 0.41 82 341275 05:23:43.5 +44:17:07 15.6 83 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
3.5 sigma about the mid-time.
The median site spacing is 3.6 km
RECON observability=1.0 and success probability=2.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 06:12:42 | -46.5 | Dark | Down | 26.9 | 306.6 | Low | 05:57:42 - 06:27:42 | 9163 |
| DCO | 06:13:21 | -48.2 | Dark | Down | 29.0 | 305.9 | Low | 05:58:21 - 06:28:21 | 8738 |
| Patrick | 06:13:20 | -47.6 | Dark | Down | 29.7 | 305.5 | Low | 05:58:20 - 06:28:20 | 8702 |
| Kingman/Dolan Springs | 06:13:22 | -47.7 | Dark | Down | 29.6 | 305.5 | Low | 05:58:22 - 06:28:22 | 8688 |
| Lake Havasu City | 06:13:25 | -48.2 | Dark | Down | 29.4 | 305.8 | Low | 05:58:25 - 06:28:25 | 8665 |
| Parker | 06:13:27 | -48.5 | Dark | Down | 29.2 | 306.0 | Low | 05:58:27 - 06:28:27 | 8662 |
| Laughlin/Bullhead City | 06:13:22 | -47.5 | Dark | Down | 30.0 | 305.4 | Low | 05:58:22 - 06:28:22 | 8659 |
| Mohave Valley | 06:13:23 | -47.7 | Dark | Down | 29.8 | 305.5 | Low | 05:58:23 - 06:28:23 | 8656 |
| Henderson | 06:13:19 | -46.6 | Dark | Down | 30.8 | 304.9 | Up | 05:58:19 - 06:28:19 | 8645 |
| Searchlight/Boulder City | 06:13:21 | -47.1 | Dark | Down | 30.4 | 305.2 | Up | 05:58:21 - 06:28:21 | 8642 |
| Blythe | 06:13:30 | -48.8 | Dark | Down | 29.1 | 306.1 | Low | 05:58:30 - 06:28:30 | 8638 |
| Yuma | 06:13:34 | -49.5 | Dark | Down | 28.5 | 306.5 | Low | 05:58:34 - 06:28:34 | 8622 |
| Indian Springs | 06:13:17 | -45.8 | Dark | Down | 31.5 | 304.4 | Up | 05:58:17 - 06:28:17 | 8611 |
| Calipatria | 06:13:34 | -48.7 | Dark | Down | 29.4 | 306.1 | Low | 05:58:34 - 06:28:34 | 8576 |
| Beatty | 06:13:16 | -45.0 | Dark | Down | 32.4 | 303.9 | Up | 05:58:16 - 06:28:16 | 8552 |
| Tonopah | 06:13:11 | -43.9 | Dark | Down | 33.4 | 303.1 | Up | 05:58:11 - 06:28:11 | 8538 |
| Idyllwild | 06:13:33 | -47.6 | Dark | Down | 30.6 | 305.5 | Up | 05:58:33 - 06:28:33 | 8514 |
| PNWRO | 06:12:31 | -36.6 | Dark | Down | 38.6 | 297.3 | Up | 05:57:31 - 06:27:31 | 8481 |
| Lone Pine | 06:13:20 | -44.6 | Dark | Down | 33.1 | 303.6 | Up | 05:58:20 - 06:28:20 | 8473 |
| Pasco | 06:12:30 | -36.3 | Dark | Down | 38.8 | 297.1 | Up | 05:57:30 - 06:27:30 | 8469 |
| Bishop | 06:13:16 | -43.9 | Dark | Down | 33.8 | 303.1 | Up | 05:58:16 - 06:28:16 | 8462 |
| Hawthorne | 06:13:12 | -42.8 | Dark | Down | 34.6 | 302.3 | Up | 05:58:12 - 06:28:12 | 8461 |
| George/Umatilla | 06:12:32 | -36.5 | Dark | Down | 38.8 | 297.2 | Up | 05:57:32 - 06:27:32 | 8458 |
| Tonasket | 06:12:16 | -34.2 | Dark | Down | 40.1 | 295.1 | Up | 05:57:16 - 06:27:16 | 8448 |
| Oroville | 06:12:16 | -34.0 | Dark | Down | 40.2 | 294.9 | Up | 05:57:16 - 06:27:16 | 8447 |
| Okanogan | 06:12:18 | -34.4 | Dark | Down | 40.1 | 295.2 | Up | 05:57:18 - 06:27:18 | 8442 |
| Penticton | 06:12:12 | -33.4 | Dark | Down | 40.6 | 294.3 | Up | 05:57:12 - 06:27:12 | 8439 |
| Yerington | 06:13:09 | -42.2 | Dark | Down | 35.2 | 301.9 | Up | 05:58:09 - 06:28:09 | 8435 |
| Brewster | 06:12:20 | -34.5 | Dark | Down | 40.1 | 295.3 | Up | 05:57:20 - 06:27:20 | 8433 |
| Lee Vining | 06:13:14 | -43.0 | Dark | Down | 34.6 | 302.5 | Up | 05:58:14 - 06:28:14 | 8426 |
| Manson/Chelan | 06:12:21 | -34.6 | Dark | Down | 40.2 | 295.3 | Up | 05:57:21 - 06:27:21 | 8414 |
| Entiat | 06:12:23 | -34.7 | Dark | Down | 40.2 | 295.5 | Up | 05:57:23 - 06:27:23 | 8411 |
| Wenatchee | 06:12:25 | -34.9 | Dark | Down | 40.1 | 295.6 | Up | 05:57:25 - 06:27:25 | 8406 |
| Wildwood | 06:13:33 | -46.3 | Dark | Down | 32.0 | 304.8 | Up | 05:58:33 - 06:28:33 | 8405 |
| Toppenish/White Swan | 06:12:30 | -35.7 | Dark | Down | 39.7 | 296.4 | Up | 05:57:30 - 06:27:30 | 8403 |
| Reno | 06:13:07 | -41.5 | Dark | Down | 35.9 | 301.3 | Up | 05:58:07 - 06:28:07 | 8402 |
| Gardnerville | 06:13:09 | -42.0 | Dark | Down | 35.5 | 301.7 | Up | 05:58:09 - 06:28:09 | 8400 |
| Carson City | 06:13:09 | -41.8 | Dark | Down | 35.7 | 301.5 | Up | 05:58:09 - 06:28:09 | 8399 |
| Cedarville | 06:12:57 | -39.7 | Dark | Down | 37.2 | 299.9 | Up | 05:57:57 - 06:27:57 | 8397 |
| Ellensburg | 06:12:27 | -35.2 | Dark | Down | 40.1 | 295.8 | Up | 05:57:27 - 06:27:27 | 8395 |
| Yakima | 06:12:30 | -35.5 | Dark | Down | 39.9 | 296.1 | Up | 05:57:30 - 06:27:30 | 8394 |
| Lakeview | 06:12:54 | -39.1 | Dark | Down | 37.6 | 299.4 | Up | 05:57:54 - 06:27:54 | 8392 |
| Paisley | 06:12:50 | -38.6 | Dark | Down | 38.0 | 299.0 | Up | 05:57:50 - 06:27:50 | 8384 |
| Goldendale | 06:12:34 | -36.0 | Dark | Down | 39.7 | 296.6 | Up | 05:57:34 - 06:27:34 | 8380 |
| North Lake | 06:12:49 | -38.0 | Dark | Down | 38.5 | 298.4 | Up | 05:57:49 - 06:27:49 | 8367 |
| Portola | 06:13:06 | -40.9 | Dark | Down | 36.5 | 300.9 | Up | 05:58:06 - 06:28:06 | 8366 |
| Maupin | 06:12:37 | -36.4 | Dark | Down | 39.6 | 296.9 | Up | 05:57:37 - 06:27:37 | 8364 |
| Susanville | 06:13:02 | -40.4 | Dark | Down | 36.9 | 300.5 | Up | 05:58:02 - 06:28:02 | 8361 |
| Madras/Culver | 06:12:40 | -36.8 | Dark | Down | 39.3 | 297.3 | Up | 05:57:40 - 06:27:40 | 8360 |
| The Dalles | 06:12:36 | -36.0 | Dark | Down | 39.8 | 296.6 | Up | 05:57:36 - 06:27:36 | 8360 |
| Redmond | 06:12:43 | -37.1 | Dark | Down | 39.2 | 297.6 | Up | 05:57:43 - 06:27:43 | 8356 |
| Bend | 06:12:44 | -37.2 | Dark | Down | 39.2 | 297.7 | Up | 05:57:44 - 06:27:44 | 8348 |
| Gimple | 06:13:05 | -40.5 | Dark | Down | 36.9 | 300.6 | Up | 05:58:05 - 06:28:05 | 8346 |
| Greenville | 06:13:05 | -40.4 | Dark | Down | 37.0 | 300.5 | Up | 05:58:05 - 06:28:05 | 8341 |
| Oregon Observatory | 06:12:45 | -37.3 | Dark | Down | 39.2 | 297.7 | Up | 05:57:45 - 06:27:45 | 8340 |
| Quincy | 06:13:05 | -40.6 | Dark | Down | 36.9 | 300.7 | Up | 05:58:05 - 06:28:05 | 8339 |
| La Pine/Gilchrist | 06:12:47 | -37.4 | Dark | Down | 39.1 | 297.9 | Up | 05:57:47 - 06:27:47 | 8335 |
| Sisters | 06:12:43 | -36.9 | Dark | Down | 39.4 | 297.4 | Up | 05:57:43 - 06:27:43 | 8334 |
| Tulelake | 06:12:55 | -38.8 | Dark | Down | 38.2 | 299.1 | Up | 05:57:55 - 06:27:55 | 8326 |
| Fall River/Burney | 06:13:00 | -39.5 | Dark | Down | 37.7 | 299.8 | Up | 05:58:00 - 06:28:00 | 8323 |
| Klamath Falls | 06:12:54 | -38.4 | Dark | Down | 38.6 | 298.8 | Up | 05:57:54 - 06:27:54 | 8311 |
| Chiloquin | 06:12:53 | -38.1 | Dark | Down | 38.8 | 298.5 | Up | 05:57:53 - 06:27:53 | 8308 |
| CPSLO | 06:13:31 | -44.3 | Dark | Down | 34.1 | 303.6 | Up | 05:58:31 - 06:28:31 | 8297 |
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, (2020/03/24 06:12UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 29.43 67 34Bet Aur 05:59:31.6 +44:56:51 1.9 6.66 89 20Rho Aur 05:21:48.4 +41:48:15 4.9 2.46 82 PPM 047996 05:20:02.3 +44:25:31 7.6 0.43 82 PPM 048025 05:21:15.0 +43:53:57 10.6 0.41 82 341275 05:22:15.3 +44:16:02 15.6 83 Positions are for J2000
Event circumstances last updated at 2018/06/12 19:57:03 UT
Marc W. Buie, Southwest Research Institute