Event between 00KL4 and star GA0820:15218204 with event index number of 2584038
Geocentric closest approach at 2028/07/16 08:38:48 UTC
J2000 position of star is 18:52:57.3 -07:14:40
Equinox of date position of star is 18:54:13.9 -07:12:50
Stellar brightness G=15.3,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 115 degrees from the moon.
Moon is 36% illuminated.
Apparent brightness V=23.4
[RECON map]
Object is 38.7 AU from the Sun
and 37.7 AU from the Earth.
Apparent velocity is 24.4
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 780 seconds.
The 1-sigma cross-track error in the shadow position is
4628 km.
The sky-plane scale is
27348.5 km/arcsec.
The object has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 7.7 sec chord
Diameter=76.7 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 00KL4, (2028/07/16 08:39UT) Object RA Dec mag sep mel Antares 16:31:09.7 -26:29:34 0.9 39.12 152 Nunki 18:57:02.0 -26:15:31 2.0 19.06 119 Eta Sct 18:58:35.3 -05:48:25 4.8 1.73 114 PPM 202241 18:53:40.5 -07:13:20 8.4 0.20 115 PPM 202261 18:54:43.7 -07:02:05 9.3 0.18 115 00KL4 18:54:29.8 -07:12:27 15.3 115 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
1.2 sigma about the mid-time.
The median site spacing is 22.3 km
RECON observability=1.0 and success probability=9.0%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kamloops | 08:37:08 | -17.8 | AT | Up | 29.5 | 203.4 | Low | 08:22:08 - 08:52:08 | 2931 |
Kelowna | 08:37:05 | -18.5 | Dark | Up | 30.0 | 204.6 | Low | 08:22:05 - 08:52:05 | 2862 |
Peachland | 08:37:06 | -18.7 | Dark | Up | 30.1 | 204.3 | Up | 08:22:06 - 08:52:06 | 2860 |
Summerland | 08:37:05 | -18.8 | Dark | Up | 30.3 | 204.4 | Up | 08:22:05 - 08:52:05 | 2849 |
Penticton | 08:37:05 | -18.8 | Dark | Up | 30.3 | 204.5 | Up | 08:22:05 - 08:52:05 | 2842 |
Victoria | 08:37:15 | -20.1 | Dark | Up | 32.2 | 200.5 | Up | 08:22:15 - 08:52:15 | 2840 |
Oliver | 08:37:04 | -19.2 | Dark | Up | 30.6 | 204.6 | Up | 08:22:04 - 08:52:04 | 2819 |
Anarchist Mountain Observatory | 08:37:04 | -19.3 | Dark | Up | 30.7 | 204.9 | Up | 08:22:04 - 08:52:04 | 2804 |
Sleaford | 08:36:34 | -14.3 | AT | Up | 23.7 | 218.1 | Low | 08:21:34 - 08:51:34 | 2786 |
Okanogan | 08:37:04 | -20.0 | Dark | Up | 31.4 | 204.8 | Up | 08:22:04 - 08:52:04 | 2764 |
Brewster | 08:37:04 | -20.3 | Dark | Up | 31.7 | 204.6 | Up | 08:22:04 - 08:52:04 | 2749 |
Manson/Chelan | 08:37:05 | -20.5 | Dark | Up | 32.0 | 204.3 | Up | 08:22:05 - 08:52:05 | 2741 |
Wenatchee | 08:37:06 | -21.0 | Dark | Up | 32.4 | 204.2 | Up | 08:22:06 - 08:52:06 | 2711 |
Ellensburg | 08:37:05 | -21.4 | Dark | Up | 32.9 | 204.1 | Up | 08:22:05 - 08:52:05 | 2687 |
Yakima | 08:37:06 | -21.9 | Dark | Up | 33.2 | 204.2 | Up | 08:22:06 - 08:52:06 | 2658 |
Toppenish/White Swan | 08:37:05 | -22.1 | Dark | Up | 33.4 | 204.4 | Up | 08:22:05 - 08:52:05 | 2640 |
The Dalles | 08:37:07 | -22.9 | Dark | Up | 34.3 | 203.7 | Up | 08:22:07 - 08:52:07 | 2599 |
PNWRO | 08:37:00 | -22.3 | Dark | Up | 33.3 | 206.2 | Up | 08:22:00 - 08:52:00 | 2587 |
Maupin | 08:37:07 | -23.3 | Dark | Up | 34.7 | 204.0 | Up | 08:22:07 - 08:52:07 | 2567 |
Sisters | 08:37:08 | -24.2 | Dark | Up | 35.6 | 203.6 | Up | 08:22:08 - 08:52:08 | 2512 |
Bend | 08:37:07 | -24.4 | Dark | Up | 35.8 | 204.0 | Up | 08:22:07 - 08:52:07 | 2490 |
Oregon Observatory | 08:37:07 | -24.6 | Dark | Up | 36.0 | 203.9 | Up | 08:22:07 - 08:52:07 | 2480 |
Chiloquin | 08:37:08 | -26.0 | Dark | Up | 37.3 | 203.8 | Up | 08:22:08 - 08:52:08 | 2389 |
Klamath Falls | 08:37:07 | -26.3 | Dark | Up | 37.6 | 204.0 | Up | 08:22:07 - 08:52:07 | 2362 |
Cedarville | 08:37:02 | -26.8 | Dark | Up | 37.7 | 206.1 | Up | 08:22:02 - 08:52:02 | 2277 |
Fall River/Burney | 08:37:06 | -27.4 | Dark | Up | 38.5 | 204.8 | Up | 08:22:06 - 08:52:06 | 2263 |
Greenville | 08:37:04 | -28.3 | Dark | Up | 39.2 | 205.7 | Up | 08:22:04 - 08:52:04 | 2184 |
Gimple | 08:37:04 | -28.3 | Dark | Up | 39.2 | 205.8 | Up | 08:22:04 - 08:52:04 | 2182 |
Quincy | 08:37:04 | -28.5 | Dark | Up | 39.4 | 205.8 | Up | 08:22:04 - 08:52:04 | 2167 |
Portola | 08:37:03 | -28.6 | Dark | Up | 39.4 | 206.4 | Up | 08:22:03 - 08:52:03 | 2148 |
Reno | 08:37:00 | -28.8 | Dark | Up | 39.4 | 207.2 | Up | 08:22:00 - 08:52:00 | 2114 |
Carson City | 08:37:00 | -29.1 | Dark | Up | 39.7 | 207.4 | Up | 08:22:00 - 08:52:00 | 2085 |
Gardnerville | 08:37:00 | -29.4 | Dark | Up | 39.9 | 207.6 | Up | 08:22:00 - 08:52:00 | 2064 |
Yerington | 08:36:58 | -29.2 | Dark | Up | 39.6 | 208.2 | Up | 08:21:58 - 08:51:58 | 2056 |
Hawthorne | 08:36:56 | -29.6 | Dark | Up | 39.8 | 209.0 | Up | 08:21:56 - 08:51:56 | 2008 |
Lee Vining | 08:36:58 | -30.2 | Dark | Up | 40.5 | 208.7 | Up | 08:21:58 - 08:51:58 | 1972 |
Bishop | 08:36:55 | -30.7 | Dark | Up | 40.8 | 209.8 | Up | 08:21:55 - 08:51:55 | 1907 |
Dunrhomin | 08:36:18 | -25.1 | Dark | Up | 32.4 | 222.9 | Up | 08:21:18 - 08:51:18 | 1876 |
Nikitin | 08:36:18 | -25.2 | Dark | Up | 32.5 | 222.9 | Up | 08:21:18 - 08:51:18 | 1861 |
CU-SBO | 08:36:18 | -25.3 | Dark | Up | 32.6 | 222.9 | Up | 08:21:18 - 08:51:18 | 1858 |
Beatty | 08:36:49 | -30.9 | Dark | Up | 40.5 | 211.9 | Up | 08:21:49 - 08:51:49 | 1834 |
Patrick | 08:36:40 | -31.9 | Dark | Up | 40.4 | 216.0 | Up | 08:21:40 - 08:51:40 | 1646 |
Laughlin/Bullhead City | 08:36:42 | -32.2 | Dark | Up | 41.0 | 215.3 | Up | 08:21:42 - 08:51:42 | 1639 |
Wildwood | 08:36:55 | -34.0 | Dark | Up | 43.7 | 211.1 | Up | 08:21:55 - 08:51:55 | 1633 |
Lake Havasu City | 08:36:41 | -32.8 | Dark | Up | 41.4 | 215.9 | Up | 08:21:41 - 08:51:41 | 1575 |
Idyllwild | 08:36:48 | -34.0 | Dark | Up | 43.1 | 213.5 | Up | 08:21:48 - 08:51:48 | 1561 |
Calipatria | 08:36:44 | -34.4 | Dark | Up | 43.1 | 215.2 | Up | 08:21:44 - 08:51:44 | 1481 |
George/Scottsdale | 08:36:33 | -33.0 | Dark | Up | 40.8 | 219.1 | Up | 08:21:33 - 08:51:33 | 1453 |
Yuma | 08:36:41 | -34.6 | Dark | Up | 43.0 | 216.5 | Up | 08:21:41 - 08:51:41 | 1423 |
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 00KL4, (2028/07/16 08:39UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 39.12 152 Nunki 18:55:15.9 -26:17:49 2.0 19.06 119 Eta Sct 18:57:03.8 -05:50:48 4.8 1.73 114 PPM 202241 18:52:08.0 -07:15:31 8.4 0.20 115 PPM 202261 18:53:11.3 -07:04:19 9.3 0.18 115 00KL4 18:52:57.3 -07:14:40 15.3 115 Positions are for J2000
Event circumstances last updated at 2023/08/25 02:53:32 UT
Marc W. Buie, Southwest Research Institute