Event between (341275) 07RG283 and star GA1360:03276701 with event index number of 233100
Geocentric closest approach at 2019/12/22 12:05:56 UTC
J2000 position of star is 05:31:12.4 +46:34:18
Equinox of date position of star is 05:32:39.4 +46:35:05
Stellar brightness G=16.2,
use SENSEUP=128
Star is 131 degrees from the moon.
Moon is 16% illuminated.
TNO apparent brightness V=20.5
[RECON map]
TNO is 15.4 AU from the Sun
and 14.5 AU from the Earth.
The TNO is moving 22.6
km/sec on the sky relative to the star, or,
7.7 arcsec/hr.
The 1-sigma error in the time of the event is 642 seconds.
The 1-sigma cross-track error in the shadow position is
4575 km.
The sky-plane scale is
10549.4 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 5.1 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 341275, (2019/12/22 12:06UT) Object RA Dec mag sep mel Pollux 07:46:32.1 +27:58:35 1.1 32.10 110 34Bet Aur 06:00:59.7 +44:56:50 1.9 5.20 128 PPM 048270 05:37:46.6 +47:43:35 6.1 1.43 130 PPM 048157 05:31:24.2 +46:35:09 8.4 0.22 132 341275 05:32:41.8 +46:35:07 16.2 131 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
1.4 sigma about the mid-time.
The median site spacing is 13.6 km
RECON observability=1.0 and success probability=8.1%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 12:02:48 | -35.7 | Dark | Up | 45.4 | 293.7 | Up | 11:47:48 - 12:17:48 | -1312 |
Summerland | 12:02:48 | -36.0 | Dark | Up | 45.5 | 293.8 | Up | 11:47:48 - 12:17:48 | -1350 |
Penticton | 12:02:48 | -35.9 | Dark | Up | 45.4 | 293.9 | Up | 11:47:48 - 12:17:48 | -1351 |
Okanagan Falls | 12:02:47 | -35.9 | Dark | Up | 45.3 | 294.1 | Up | 11:47:47 - 12:17:47 | -1369 |
Oliver | 12:02:46 | -35.9 | Dark | Up | 45.2 | 294.2 | Up | 11:47:46 - 12:17:46 | -1382 |
Anarchist Mountain Observatory | 12:02:46 | -35.8 | Dark | Up | 45.0 | 294.5 | Up | 11:47:46 - 12:17:46 | -1389 |
Oroville | 12:02:46 | -35.9 | Dark | Up | 45.1 | 294.5 | Up | 11:47:46 - 12:17:46 | -1399 |
Tonasket | 12:02:45 | -35.9 | Dark | Up | 45.0 | 294.7 | Up | 11:47:45 - 12:17:45 | -1419 |
Niwot | 12:02:04 | -25.4 | Dark | Up | 31.9 | 306.4 | Up | 11:47:04 - 12:17:04 | -1427 |
SwRI | 12:02:04 | -25.5 | Dark | Up | 31.9 | 306.4 | Up | 11:47:04 - 12:17:04 | -1441 |
Okanogan | 12:02:45 | -36.0 | Dark | Up | 44.9 | 295.0 | Up | 11:47:45 - 12:17:45 | -1455 |
Brewster | 12:02:44 | -36.2 | Dark | Up | 44.9 | 295.1 | Up | 11:47:44 - 12:17:44 | -1488 |
Manson/Chelan | 12:02:44 | -36.4 | Dark | Up | 45.1 | 295.1 | Up | 11:47:44 - 12:17:44 | -1522 |
Entiat | 12:02:44 | -36.5 | Dark | Up | 45.0 | 295.3 | Up | 11:47:44 - 12:17:44 | -1545 |
Wenatchee | 12:02:43 | -36.6 | Dark | Up | 45.0 | 295.5 | Up | 11:47:43 - 12:17:43 | -1572 |
Ellensburg | 12:02:43 | -36.8 | Dark | Up | 44.9 | 295.8 | Up | 11:47:43 - 12:17:43 | -1619 |
Pasco | 12:02:39 | -35.9 | Dark | Up | 43.7 | 297.0 | Up | 11:47:39 - 12:17:39 | -1623 |
PNWRO | 12:02:38 | -35.7 | Dark | Up | 43.5 | 297.3 | Up | 11:47:38 - 12:17:38 | -1635 |
Yakima | 12:02:42 | -36.8 | Dark | Up | 44.8 | 296.1 | Up | 11:47:42 - 12:17:42 | -1656 |
George/Umatilla | 12:02:38 | -36.0 | Dark | Up | 43.7 | 297.2 | Up | 11:47:38 - 12:17:38 | -1662 |
Toppenish/White Swan | 12:02:41 | -36.7 | Dark | Up | 44.6 | 296.4 | Up | 11:47:41 - 12:17:41 | -1668 |
Goldendale | 12:02:40 | -37.1 | Dark | Up | 44.6 | 296.7 | Up | 11:47:40 - 12:17:40 | -1737 |
The Dalles | 12:02:40 | -37.3 | Dark | Up | 44.7 | 296.7 | Up | 11:47:40 - 12:17:40 | -1773 |
Maupin | 12:02:39 | -37.3 | Dark | Up | 44.4 | 297.1 | Up | 11:47:39 - 12:17:39 | -1806 |
Madras/Culver | 12:02:38 | -37.3 | Dark | Up | 44.2 | 297.6 | Up | 11:47:38 - 12:17:38 | -1858 |
Redmond | 12:02:37 | -37.4 | Dark | Up | 44.1 | 297.9 | Up | 11:47:37 - 12:17:37 | -1893 |
Sisters | 12:02:38 | -37.7 | Dark | Up | 44.4 | 297.7 | Up | 11:47:38 - 12:17:38 | -1909 |
Bend | 12:02:37 | -37.5 | Dark | Up | 44.1 | 298.0 | Up | 11:47:37 - 12:17:37 | -1919 |
Oregon Observatory | 12:02:37 | -37.6 | Dark | Up | 44.1 | 298.1 | Up | 11:47:37 - 12:17:37 | -1940 |
La Pine/Gilchrist | 12:02:37 | -37.7 | Dark | Up | 44.0 | 298.3 | Up | 11:47:37 - 12:17:37 | -1962 |
North Lake | 12:02:35 | -37.2 | Dark | Up | 43.4 | 298.8 | Up | 11:47:35 - 12:17:35 | -1974 |
Paisley | 12:02:33 | -37.0 | Dark | Up | 42.9 | 299.4 | Up | 11:47:33 - 12:17:33 | -2008 |
Lakeview | 12:02:32 | -36.9 | Dark | Up | 42.6 | 299.9 | Up | 11:47:32 - 12:17:32 | -2045 |
Chiloquin | 12:02:35 | -38.0 | Dark | Up | 43.7 | 299.1 | Up | 11:47:35 - 12:17:35 | -2080 |
Cedarville | 12:02:30 | -36.7 | Dark | Up | 42.1 | 300.5 | Up | 11:47:30 - 12:17:30 | -2096 |
Klamath Falls | 12:02:34 | -37.9 | Dark | Up | 43.5 | 299.4 | Up | 11:47:34 - 12:17:34 | -2108 |
Tulelake | 12:02:33 | -37.7 | Dark | Up | 43.2 | 299.7 | Up | 11:47:33 - 12:17:33 | -2118 |
Fall River/Burney | 12:02:31 | -37.7 | Dark | Up | 42.7 | 300.5 | Up | 11:47:31 - 12:17:31 | -2198 |
Susanville | 12:02:28 | -37.1 | Dark | Up | 41.9 | 301.2 | Up | 11:47:28 - 12:17:28 | -2221 |
Gimple | 12:02:28 | -37.3 | Dark | Up | 41.9 | 301.3 | Up | 11:47:28 - 12:17:28 | -2256 |
Reno | 12:02:25 | -36.5 | Dark | Up | 40.9 | 302.1 | Up | 11:47:25 - 12:17:25 | -2259 |
Greenville | 12:02:28 | -37.3 | Dark | Up | 41.9 | 301.3 | Up | 11:47:28 - 12:17:28 | -2260 |
Tonopah | 12:02:17 | -34.4 | Dark | Up | 38.4 | 303.8 | Up | 11:47:17 - 12:17:17 | -2262 |
Portola | 12:02:27 | -37.0 | Dark | Up | 41.4 | 301.7 | Up | 11:47:27 - 12:17:27 | -2267 |
Yerington | 12:02:22 | -35.9 | Dark | Up | 40.2 | 302.6 | Up | 11:47:22 - 12:17:22 | -2277 |
Quincy | 12:02:28 | -37.3 | Dark | Up | 41.8 | 301.5 | Up | 11:47:28 - 12:17:28 | -2278 |
Carson City | 12:02:24 | -36.4 | Dark | Up | 40.7 | 302.3 | Up | 11:47:24 - 12:17:24 | -2291 |
Hawthorne | 12:02:20 | -35.5 | Dark | Up | 39.6 | 303.1 | Up | 11:47:20 - 12:17:20 | -2292 |
DCO | 12:02:04 | -30.8 | Dark | Up | 34.1 | 306.6 | Up | 11:47:04 - 12:17:04 | -2301 |
Gardnerville | 12:02:23 | -36.4 | Dark | Up | 40.5 | 302.5 | Up | 11:47:23 - 12:17:23 | -2311 |
Indian Springs | 12:02:11 | -33.0 | Dark | Up | 36.6 | 305.1 | Up | 11:47:11 - 12:17:11 | -2312 |
Patrick | 12:02:06 | -31.5 | Dark | Up | 34.7 | 306.3 | Up | 11:47:06 - 12:17:06 | -2314 |
Henderson | 12:02:09 | -32.4 | Dark | Up | 35.8 | 305.6 | Up | 11:47:09 - 12:17:09 | -2321 |
Beatty | 12:02:14 | -33.9 | Dark | Up | 37.5 | 304.7 | Up | 11:47:14 - 12:17:14 | -2341 |
Kingman/Dolan Springs | 12:02:06 | -31.6 | Dark | Up | 34.7 | 306.3 | Up | 11:47:06 - 12:17:06 | -2344 |
Searchlight/Boulder City | 12:02:08 | -32.3 | Dark | Up | 35.4 | 306.0 | Up | 11:47:08 - 12:17:08 | -2368 |
Lee Vining | 12:02:20 | -35.9 | Dark | Up | 39.6 | 303.4 | Up | 11:47:20 - 12:17:20 | -2368 |
Laughlin/Bullhead City | 12:02:07 | -32.0 | Dark | Up | 35.0 | 306.2 | Up | 11:47:07 - 12:17:07 | -2375 |
Bishop | 12:02:18 | -35.3 | Dark | Up | 38.8 | 304.0 | Up | 11:47:18 - 12:17:18 | -2385 |
Mohave Valley | 12:02:06 | -32.0 | Dark | Up | 34.9 | 306.4 | Up | 11:47:06 - 12:17:06 | -2399 |
Lake Havasu City | 12:02:05 | -31.7 | Dark | Up | 34.5 | 306.7 | Up | 11:47:05 - 12:17:05 | -2420 |
Lone Pine | 12:02:16 | -34.9 | Dark | Up | 38.1 | 304.5 | Up | 11:47:16 - 12:17:16 | -2436 |
Parker | 12:02:04 | -31.6 | Dark | Up | 34.2 | 306.9 | Up | 11:47:04 - 12:17:04 | -2449 |
Blythe | 12:02:04 | -31.8 | Dark | Up | 34.1 | 307.1 | Up | 11:47:04 - 12:17:04 | -2512 |
Yuma | 12:02:02 | -31.7 | Dark | Up | 33.6 | 307.6 | Up | 11:47:02 - 12:17:02 | -2595 |
Calipatria | 12:02:05 | -32.5 | Dark | Up | 34.4 | 307.2 | Up | 11:47:05 - 12:17:05 | -2608 |
Idyllwild | 12:02:08 | -33.5 | Dark | Up | 35.6 | 306.6 | Up | 11:47:08 - 12:17:08 | -2621 |
CPSLO | 12:02:19 | -36.9 | Dark | Up | 39.1 | 304.8 | Up | 11:47:19 - 12:17:19 | -2689 |
Wildwood | 12:02:12 | -35.1 | Dark | Up | 37.1 | 306.0 | Up | 11:47:12 - 12:17:12 | -2691 |
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, (2019/12/22 12:06UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 32.10 110 34Bet Aur 05:59:31.6 +44:56:51 1.9 5.20 128 PPM 048270 05:36:16.0 +47:42:55 6.1 1.43 130 PPM 048157 05:29:54.8 +46:34:18 8.4 0.22 132 341275 05:31:12.4 +46:34:18 16.2 131 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:03:33 UT
Marc W. Buie, Southwest Research Institute