Event between (341275) 07RG283 and star GA1320:03429083 with event index number of 1046629
Geocentric closest approach at 2021/01/28 03:16:59 UTC
J2000 position of star is 05:59:09.6 +43:44:17
Equinox of date position of star is 06:00:32.8 +43:44:17
Stellar brightness G=12.1,
use SENSEUP=16
Star is 34 degrees from the moon.
Moon is 99% 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 18.6
km/sec on the sky relative to the star, or,
6.3 arcsec/hr.
The 1-sigma error in the time of the event is 416 seconds.
The 1-sigma cross-track error in the shadow position is
4719 km.
The sky-plane scale is
10594.0 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, (2021/01/28 03:17UT) Object RA Dec mag sep mel Pollux 07:46:36.2 +27:58:25 1.1 26.43 8 34Bet Aur 06:01:04.5 +44:56:50 1.9 1.21 35 38 Aur 06:04:49.1 +42:54:31 6.1 1.12 33 PPM 048653 06:02:41.9 +43:40:30 8.3 0.37 34 PPM 048622 06:01:19.9 +43:59:07 9.6 0.27 34 PPM 048607 06:00:05.3 +43:30:16 10.7 0.26 34 341275 06:00:41.4 +43:44:17 12.1 34 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
2.2 sigma about the mid-time.
The median site spacing is 15.6 km
RECON observability=1.0 and success probability=9.1%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Summerland | 03:18:08 | -24.4 | Dark | Up | 67.2 | 93.0 | Up | 03:03:08 - 03:33:08 | -312 |
Kelowna | 03:18:08 | -24.6 | Dark | Up | 67.4 | 93.5 | Up | 03:03:08 - 03:33:08 | -325 |
Penticton | 03:18:08 | -24.5 | Dark | Up | 67.3 | 92.4 | Up | 03:03:08 - 03:33:08 | -347 |
Okanagan Falls | 03:18:08 | -24.5 | Dark | Up | 67.3 | 92.0 | Up | 03:03:08 - 03:33:08 | -363 |
Oliver | 03:18:08 | -24.5 | Dark | Up | 67.3 | 91.6 | Up | 03:03:08 - 03:33:08 | -378 |
Anarchist Mountain Observatory | 03:18:08 | -24.6 | Dark | Up | 67.5 | 91.3 | Up | 03:03:08 - 03:33:08 | -401 |
Oroville | 03:18:08 | -24.6 | Dark | Up | 67.4 | 91.1 | Up | 03:03:08 - 03:33:08 | -405 |
Tonasket | 03:18:08 | -24.6 | Dark | Up | 67.4 | 90.5 | Up | 03:03:08 - 03:33:08 | -427 |
Okanogan | 03:18:08 | -24.5 | Dark | Up | 67.3 | 89.6 | Up | 03:03:08 - 03:33:08 | -455 |
Yakima | 03:18:29 | -23.9 | Dark | Up | 66.6 | 84.9 | Up | 03:03:29 - 03:33:29 | -474 |
Brewster | 03:18:08 | -24.4 | Dark | Up | 67.2 | 88.8 | Up | 03:03:08 - 03:33:08 | -475 |
Manson/Chelan | 03:18:08 | -24.1 | Dark | Up | 66.9 | 88.1 | Up | 03:03:08 - 03:33:08 | -486 |
Toppenish/White Swan | 03:18:29 | -24.0 | Dark | Up | 66.7 | 84.5 | Up | 03:03:29 - 03:33:29 | -498 |
The Dalles | 03:18:35 | -23.4 | Dark | Up | 66.1 | 82.3 | Up | 03:03:35 - 03:33:35 | -504 |
Entiat | 03:18:08 | -24.1 | Dark | Up | 66.9 | 87.5 | Up | 03:03:08 - 03:33:08 | -508 |
Goldendale | 03:18:33 | -23.7 | Dark | Up | 66.4 | 83.0 | Up | 03:03:33 - 03:33:33 | -510 |
Wenatchee | 03:18:08 | -24.0 | Dark | Up | 66.8 | 86.9 | Up | 03:03:08 - 03:33:08 | -532 |
Maupin | 03:18:36 | -23.5 | Dark | Up | 66.1 | 81.4 | Up | 03:03:36 - 03:33:36 | -538 |
Sisters | 03:18:42 | -23.1 | Dark | Up | 65.7 | 79.2 | Up | 03:03:42 - 03:33:42 | -567 |
Ellensburg | 03:18:08 | -23.8 | Dark | Up | 66.6 | 85.8 | Up | 03:03:08 - 03:33:08 | -572 |
Madras/Culver | 03:18:39 | -23.4 | Dark | Up | 66.0 | 80.2 | Up | 03:03:39 - 03:33:39 | -572 |
George/Umatilla | 03:18:29 | -24.7 | Dark | Up | 67.4 | 84.0 | Up | 03:03:29 - 03:33:29 | -589 |
Redmond | 03:18:41 | -23.4 | Dark | Up | 65.9 | 79.4 | Up | 03:03:41 - 03:33:41 | -593 |
Bend | 03:18:42 | -23.3 | Dark | Up | 65.8 | 78.8 | Up | 03:03:42 - 03:33:42 | -599 |
Oregon Observatory | 03:18:43 | -23.2 | Dark | Up | 65.7 | 78.4 | Up | 03:03:43 - 03:33:43 | -602 |
La Pine/Gilchrist | 03:18:44 | -23.1 | Dark | Up | 65.6 | 77.9 | Up | 03:03:44 - 03:33:44 | -613 |
Chiloquin | 03:18:50 | -22.8 | Dark | Up | 65.1 | 75.5 | Up | 03:03:50 - 03:33:50 | -666 |
North Lake | 03:18:45 | -23.5 | Dark | Up | 65.9 | 77.2 | Up | 03:03:45 - 03:33:45 | -678 |
Pasco | 03:18:08 | -24.8 | Dark | Up | 67.6 | 84.8 | Up | 03:03:08 - 03:33:08 | -682 |
Klamath Falls | 03:18:52 | -22.8 | Dark | Up | 65.1 | 74.8 | Up | 03:03:52 - 03:33:52 | -694 |
PNWRO | 03:18:08 | -24.9 | Dark | Up | 67.7 | 84.4 | Up | 03:03:08 - 03:33:08 | -714 |
Tulelake | 03:18:52 | -23.0 | Dark | Up | 65.2 | 74.3 | Up | 03:03:52 - 03:33:52 | -731 |
Paisley | 03:18:47 | -23.8 | Dark | Up | 66.1 | 76.1 | Up | 03:03:47 - 03:33:47 | -738 |
Lakeview | 03:18:49 | -23.9 | Dark | Up | 66.1 | 75.1 | Up | 03:03:49 - 03:33:49 | -785 |
Fall River/Burney | 03:18:56 | -23.0 | Dark | Up | 65.0 | 72.4 | Up | 03:03:56 - 03:33:56 | -798 |
Cedarville | 03:18:51 | -24.0 | Dark | Up | 66.0 | 73.7 | Up | 03:03:51 - 03:33:51 | -841 |
Susanville | 03:18:57 | -23.6 | Dark | Up | 65.4 | 71.2 | Up | 03:03:57 - 03:33:57 | -888 |
Greenville | 03:18:59 | -23.3 | Dark | Up | 65.1 | 70.7 | Up | 03:03:59 - 03:33:59 | -889 |
Gimple | 03:18:59 | -23.4 | Dark | Up | 65.1 | 70.7 | Up | 03:03:59 - 03:33:59 | -894 |
Quincy | 03:19:00 | -23.3 | Dark | Up | 65.0 | 70.2 | Up | 03:04:00 - 03:34:00 | -903 |
Portola | 03:19:00 | -23.7 | Dark | Up | 65.3 | 70.0 | Up | 03:04:00 - 03:34:00 | -942 |
Reno | 03:18:59 | -24.1 | Dark | Up | 65.7 | 69.5 | Up | 03:03:59 - 03:33:59 | -1002 |
Carson City | 03:19:01 | -24.1 | Dark | Up | 65.6 | 68.8 | Up | 03:04:01 - 03:34:01 | -1029 |
Gardnerville | 03:19:02 | -24.2 | Dark | Up | 65.5 | 68.3 | Up | 03:04:02 - 03:34:02 | -1049 |
Yerington | 03:19:00 | -24.6 | Dark | Up | 66.0 | 68.4 | Up | 03:04:00 - 03:34:00 | -1084 |
Hawthorne | 03:19:01 | -25.0 | Dark | Up | 66.2 | 67.4 | Up | 03:04:01 - 03:34:01 | -1151 |
Lee Vining | 03:19:05 | -24.6 | Dark | Up | 65.6 | 66.2 | Up | 03:04:05 - 03:34:05 | -1160 |
CPSLO | 03:19:20 | -23.2 | Dark | Up | 63.4 | 61.5 | Up | 03:04:20 - 03:34:20 | -1249 |
Bishop | 03:19:05 | -25.1 | Dark | Up | 65.9 | 65.0 | Up | 03:04:05 - 03:34:05 | -1250 |
Tonopah | 03:18:59 | -26.1 | Dark | Up | 67.0 | 66.2 | Up | 03:03:59 - 03:33:59 | -1276 |
Lone Pine | 03:19:08 | -25.3 | Dark | Up | 65.8 | 63.4 | Up | 03:04:08 - 03:34:08 | -1328 |
Beatty | 03:19:03 | -26.4 | Dark | Up | 66.9 | 63.7 | Up | 03:04:03 - 03:34:03 | -1391 |
Wildwood | 03:19:20 | -24.7 | Dark | Up | 64.3 | 58.8 | Up | 03:04:20 - 03:34:20 | -1476 |
Indian Springs | 03:19:01 | -27.2 | Dark | Up | 67.5 | 62.7 | Up | 03:04:01 - 03:34:01 | -1485 |
Henderson | 03:19:01 | -27.7 | Dark | Up | 67.7 | 61.4 | Up | 03:04:01 - 03:34:01 | -1570 |
Searchlight/Boulder City | 03:19:03 | -27.8 | Dark | Up | 67.5 | 60.1 | Up | 03:04:03 - 03:34:03 | -1618 |
Idyllwild | 03:19:16 | -26.2 | Dark | Up | 65.4 | 57.4 | Up | 03:04:16 - 03:34:16 | -1631 |
Laughlin/Bullhead City | 03:19:04 | -28.0 | Dark | Up | 67.6 | 59.3 | Up | 03:04:04 - 03:34:04 | -1663 |
Mohave Valley | 03:19:05 | -28.0 | Dark | Up | 67.5 | 58.8 | Up | 03:04:05 - 03:34:05 | -1685 |
Patrick | 03:19:01 | -28.6 | Dark | Up | 68.2 | 59.5 | Up | 03:04:01 - 03:34:01 | -1691 |
Kingman/Dolan Springs | 03:19:02 | -28.5 | Dark | Up | 68.0 | 59.2 | Up | 03:04:02 - 03:34:02 | -1696 |
Lake Havasu City | 03:19:06 | -28.2 | Dark | Up | 67.4 | 57.8 | Up | 03:04:06 - 03:34:06 | -1732 |
Calipatria | 03:19:15 | -27.2 | Dark | Up | 65.9 | 55.8 | Up | 03:04:15 - 03:34:15 | -1757 |
DCO | 03:19:00 | -29.2 | Dark | Up | 68.6 | 58.5 | Up | 03:04:00 - 03:34:00 | -1760 |
Parker | 03:19:07 | -28.2 | Dark | Up | 67.3 | 57.1 | Up | 03:04:07 - 03:34:07 | -1761 |
Blythe | 03:19:10 | -28.0 | Dark | Up | 66.8 | 56.2 | Up | 03:04:10 - 03:34:10 | -1781 |
Niwot | 03:18:08 | -35.2 | Dark | Up | 76.3 | 68.8 | Up | 03:03:08 - 03:33:08 | -1846 |
SwRI | 03:18:08 | -35.2 | Dark | Up | 76.2 | 68.5 | Up | 03:03:08 - 03:33:08 | -1850 |
Yuma | 03:19:14 | -27.9 | Dark | Up | 66.2 | 54.5 | Up | 03:04:14 - 03:34:14 | -1850 |
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, (2021/01/28 03:17UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 26.43 8 34Bet Aur 05:59:31.6 +44:56:51 1.9 1.21 35 38 Aur 06:03:18.2 +42:54:39 6.1 1.12 33 PPM 048653 06:01:10.2 +43:40:33 8.3 0.37 34 PPM 048622 05:59:47.9 +43:59:08 9.6 0.27 34 PPM 048607 05:58:33.8 +43:30:15 10.7 0.26 34 341275 05:59:09.6 +43:44:17 12.1 34 Positions are for J2000
Event circumstances last updated at 2019/02/02 21:45:47 UT
Marc W. Buie, Southwest Research Institute