Event between (523717) 14KY101 and star GA0700:08413140 with event index number of 1098426
Geocentric closest approach at 2021/06/23 08:32:28 UTC
J2000 position of star is 17:11:06.1 -19:57:09
Equinox of date position of star is 17:12:20.9 -19:58:37
Stellar brightness G=13.2,
use SENSEUP=32 with the MallinCam and and exposure
time of 500 milli-seconds with the QHY174 camera.
Star is 7 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=21.9
[RECON map]
TNO is 35.4 AU from the Sun
and 34.5 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 196 seconds.
The 1-sigma cross-track error in the shadow position is
1682 km.
The sky-plane scale is
24992.1 km/arcsec.
The TNO has an absolute magnitude Hv=6.4
Diameter=316.2 km assuming a 5% albedo -- 13.5 sec chord
Diameter=129.1 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is 3:2E
Star training set for 523717, (2021/06/23 08:32UT) Object RA Dec mag sep mel Antares 16:30:43.7 -26:28:40 0.9 11.56 5 35Eta Oph 17:11:36.7 -15:45:00 2.6 4.23 9 PPM 266364 17:06:01.8 -20:31:23 6.5 1.58 5 PPM 266525 17:12:38.5 -20:26:59 7.9 0.48 7 PPM 266505 17:11:40.4 -20:04:33 9.5 0.19 7 523717 17:12:22.3 -19:58:39 13.2 7 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
4.6 sigma about the mid-time.
The median site spacing is 15.0 km
RECON observability=0.8 and success probability=0.4%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Clarence Fulton | 08:31:31 | -16.0 | AT | Up | 17.0 | 202.1 | Really Low | 08:16:31 - 08:46:31 | 6978 |
Kelowna | 08:31:31 | -16.4 | AT | Up | 17.4 | 202.0 | Really Low | 08:16:31 - 08:46:31 | 6964 |
Peachland | 08:31:31 | -16.5 | AT | Up | 17.6 | 201.8 | Really Low | 08:16:31 - 08:46:31 | 6962 |
Summerland | 08:31:31 | -16.7 | AT | Up | 17.7 | 201.9 | Really Low | 08:16:31 - 08:46:31 | 6955 |
Penticton | 08:31:30 | -16.7 | AT | Up | 17.8 | 202.0 | Really Low | 08:16:30 - 08:46:30 | 6952 |
Oliver | 08:31:30 | -17.1 | AT | Up | 18.1 | 202.0 | Really Low | 08:16:30 - 08:46:30 | 6937 |
Victoria | 08:31:40 | -18.0 | AT | Up | 19.6 | 198.4 | Really Low | 08:16:40 - 08:46:40 | 6934 |
Anarchist Mountain Observatory | 08:31:29 | -17.2 | AT | Up | 18.2 | 202.2 | Really Low | 08:16:29 - 08:46:29 | 6930 |
Tonasket | 08:31:29 | -17.5 | AT | Up | 18.5 | 202.2 | Really Low | 08:16:29 - 08:46:29 | 6917 |
Okanogan | 08:31:29 | -17.9 | AT | Up | 18.8 | 202.1 | Really Low | 08:16:29 - 08:46:29 | 6904 |
Brewster | 08:31:29 | -18.2 | Dark | Up | 19.1 | 201.9 | Really Low | 08:16:29 - 08:46:29 | 6894 |
Manson/Chelan | 08:31:30 | -18.4 | Dark | Up | 19.4 | 201.6 | Really Low | 08:16:30 - 08:46:30 | 6887 |
Wenatchee | 08:31:30 | -18.9 | Dark | Up | 19.9 | 201.5 | Really Low | 08:16:30 - 08:46:30 | 6868 |
Ellensburg | 08:31:30 | -19.3 | Dark | Up | 20.4 | 201.3 | Low | 08:16:30 - 08:46:30 | 6852 |
Yakima | 08:31:29 | -19.7 | Dark | Up | 20.7 | 201.4 | Low | 08:16:29 - 08:46:29 | 6833 |
Toppenish/White Swan | 08:31:29 | -19.9 | Dark | Up | 20.9 | 201.6 | Low | 08:16:29 - 08:46:29 | 6822 |
Pasco | 08:31:25 | -19.9 | Dark | Up | 20.7 | 202.8 | Low | 08:16:25 - 08:46:25 | 6807 |
Goldendale | 08:31:29 | -20.5 | Dark | Up | 21.5 | 201.2 | Low | 08:16:29 - 08:46:29 | 6800 |
PNWRO | 08:31:24 | -20.2 | Dark | Up | 20.8 | 203.1 | Low | 08:16:24 - 08:46:24 | 6794 |
The Dalles | 08:31:30 | -20.8 | Dark | Up | 21.8 | 200.9 | Low | 08:16:30 - 08:46:30 | 6792 |
Maupin | 08:31:29 | -21.2 | Dark | Up | 22.2 | 201.1 | Low | 08:16:29 - 08:46:29 | 6772 |
Sisters | 08:31:30 | -22.1 | Dark | Up | 23.1 | 200.7 | Low | 08:16:30 - 08:46:30 | 6733 |
Redmond | 08:31:28 | -22.1 | Dark | Up | 23.1 | 201.1 | Low | 08:16:28 - 08:46:28 | 6729 |
Bend | 08:31:29 | -22.3 | Dark | Up | 23.3 | 201.0 | Low | 08:16:29 - 08:46:29 | 6720 |
Oregon Observatory | 08:31:29 | -22.5 | Dark | Up | 23.5 | 200.9 | Low | 08:16:29 - 08:46:29 | 6712 |
La Pine/Gilchrist | 08:31:30 | -22.7 | Dark | Up | 23.7 | 200.9 | Low | 08:16:30 - 08:46:30 | 6703 |
North Lake | 08:31:26 | -23.1 | Dark | Up | 23.9 | 201.5 | Low | 08:16:26 - 08:46:26 | 6676 |
Paisley | 08:31:25 | -23.6 | Dark | Up | 24.4 | 202.0 | Low | 08:16:25 - 08:46:25 | 6645 |
Klamath Falls | 08:31:29 | -24.2 | Dark | Up | 25.1 | 200.8 | Low | 08:16:29 - 08:46:29 | 6630 |
Lakeview | 08:31:23 | -24.1 | Dark | Up | 24.8 | 202.3 | Low | 08:16:23 - 08:46:23 | 6618 |
Cedarville | 08:31:22 | -24.7 | Dark | Up | 25.3 | 202.5 | Low | 08:16:22 - 08:46:22 | 6581 |
Fall River/Burney | 08:31:25 | -25.3 | Dark | Up | 26.1 | 201.4 | Low | 08:16:25 - 08:46:25 | 6564 |
Susanville | 08:31:22 | -25.9 | Dark | Up | 26.5 | 202.3 | Low | 08:16:22 - 08:46:22 | 6524 |
Greenville | 08:31:23 | -26.2 | Dark | Up | 26.8 | 202.0 | Low | 08:16:23 - 08:46:23 | 6511 |
Gimple | 08:31:23 | -26.2 | Dark | Up | 26.8 | 202.1 | Low | 08:16:23 - 08:46:23 | 6510 |
Quincy | 08:31:23 | -26.4 | Dark | Up | 27.0 | 202.1 | Low | 08:16:23 - 08:46:23 | 6499 |
Portola | 08:31:21 | -26.4 | Dark | Up | 27.0 | 202.6 | Low | 08:16:21 - 08:46:21 | 6489 |
Reno | 08:31:19 | -26.7 | Dark | Up | 27.1 | 203.3 | Low | 08:16:19 - 08:46:19 | 6468 |
Carson City | 08:31:18 | -27.0 | Dark | Up | 27.4 | 203.4 | Low | 08:16:18 - 08:46:18 | 6448 |
Gardnerville | 08:31:18 | -27.2 | Dark | Up | 27.6 | 203.4 | Low | 08:16:18 - 08:46:18 | 6433 |
Yerington | 08:31:16 | -27.1 | Dark | Up | 27.4 | 204.0 | Low | 08:16:16 - 08:46:16 | 6431 |
Hawthorne | 08:31:14 | -27.5 | Dark | Up | 27.6 | 204.6 | Low | 08:16:14 - 08:46:14 | 6399 |
Lee Vining | 08:31:14 | -28.1 | Dark | Up | 28.3 | 204.3 | Low | 08:16:14 - 08:46:14 | 6370 |
Tonopah | 08:31:09 | -27.8 | Dark | Up | 27.6 | 206.1 | Low | 08:16:09 - 08:46:09 | 6359 |
Dunrhomin | 08:30:34 | -23.1 | Dark | Up | 20.9 | 216.7 | Low | 08:15:34 - 08:45:34 | 6340 |
Bishop | 08:31:11 | -28.6 | Dark | Up | 28.6 | 205.1 | Low | 08:16:11 - 08:46:11 | 6327 |
Beatty | 08:31:05 | -28.9 | Dark | Up | 28.5 | 206.8 | Low | 08:16:05 - 08:46:05 | 6283 |
Indian Springs | 08:31:01 | -29.0 | Dark | Up | 28.4 | 208.0 | Low | 08:16:01 - 08:46:01 | 6252 |
CPSLO | 08:31:17 | -30.9 | Dark | Up | 31.2 | 203.3 | Up | 08:16:17 - 08:46:17 | 6218 |
Henderson | 08:30:58 | -29.4 | Dark | Up | 28.6 | 208.8 | Low | 08:15:58 - 08:45:58 | 6210 |
Patrick | 08:30:53 | -29.8 | Dark | Up | 28.7 | 210.0 | Low | 08:15:53 - 08:45:53 | 6158 |
Laughlin/Bullhead City | 08:30:56 | -30.2 | Dark | Up | 29.2 | 209.4 | Low | 08:15:56 - 08:45:56 | 6150 |
Kingman/Dolan Springs | 08:30:53 | -30.1 | Dark | Up | 28.9 | 209.9 | Low | 08:15:53 - 08:45:53 | 6146 |
Mohave Valley | 08:30:55 | -30.5 | Dark | Up | 29.4 | 209.5 | Low | 08:15:55 - 08:45:55 | 6132 |
Wildwood | 08:31:08 | -31.9 | Dark | Up | 31.6 | 205.7 | Up | 08:16:08 - 08:46:08 | 6121 |
Lake Havasu City | 08:30:54 | -30.8 | Dark | Up | 29.7 | 209.8 | Low | 08:15:54 - 08:45:54 | 6103 |
Idyllwild | 08:31:02 | -32.0 | Dark | Up | 31.3 | 207.7 | Up | 08:16:02 - 08:46:02 | 6080 |
Parker | 08:30:53 | -31.1 | Dark | Up | 29.9 | 209.9 | Low | 08:15:53 - 08:45:53 | 6079 |
Blythe | 08:30:54 | -31.7 | Dark | Up | 30.5 | 209.8 | Up | 08:15:54 - 08:45:54 | 6048 |
Calipatria | 08:30:56 | -32.4 | Dark | Up | 31.3 | 209.0 | Up | 08:15:56 - 08:45:56 | 6025 |
George/Scottsdale | 08:30:44 | -31.0 | Dark | Up | 29.3 | 212.4 | Low | 08:15:44 - 08:45:44 | 6021 |
Yuma | 08:30:52 | -32.6 | Dark | Up | 31.3 | 210.0 | Up | 08:15:52 - 08:45:52 | 5985 |
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 523717, (2021/06/23 08:32UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 11.56 5 35Eta Oph 17:10:22.7 -15:43:29 2.6 4.23 9 PPM 266364 17:04:45.3 -20:29:41 6.5 1.58 5 PPM 266525 17:11:22.0 -20:25:29 7.9 0.48 7 PPM 266505 17:10:24.1 -20:03:02 9.5 0.19 7 523717 17:11:06.1 -19:57:09 13.2 7 Positions are for J2000
Event circumstances last updated at 2021/01/22 21:23:05 UT
Marc W. Buie, Southwest Research Institute