Event between (40314) 99KR16 and star GA0860:04957808 with event index number of 2309458
Geocentric closest approach at 2024/07/04 06:42:09 UTC
J2000 position of star is 16:39:42.2 -03:39:22
Equinox of date position of star is 16:40:59.3 -03:42:09
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 154 degrees from the moon.
Moon is 3% illuminated.
Apparent brightness V=21.0
[RECON map]
Object is 34.1 AU from the Sun
and 33.3 AU from the Earth.
Apparent velocity is 19.2
km/sec on the sky relative to the star, or,
2.9 arcsec/hr.
The 1-sigma error in the time of the event is 72 seconds.
The 1-sigma cross-track error in the shadow position is
1216 km.
The sky-plane scale is
24150.9 km/arcsec.
The object has an absolute magnitude Hv=5.6
Diameter=436.5 km assuming a 5% albedo -- 23.5 sec chord
Diameter=178.2 km assuming a 30% albedo -- 9.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 40314, (2024/07/04 06:43UT) Object RA Dec mag sep mel Antares 16:30:54.9 -26:29:03 0.9 22.91 168 1Del Oph 16:15:38.0 -03:45:20 2.7 6.33 151 12 Oph 16:37:38.7 -02:22:29 5.8 1.57 152 PPM 199870 16:40:41.0 -03:09:08 7.7 0.56 153 PPM 199876 16:40:59.8 -03:39:57 8.7 0.04 153 40314 16:40:59.5 -03:42:10 16.7 154 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
5.0 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=1.0 and success probability=0.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 06:40:29 | -14.8 | AT | Down | 29.7 | 211.5 | Low | 06:33:57 - 06:47:00 | 8663 |
| Kamloops | 06:41:16 | -14.2 | AT | Down | 34.6 | 195.6 | Up | 06:34:44 - 06:47:47 | 8622 |
| Kelowna | 06:41:11 | -15.1 | AT | Down | 35.2 | 196.8 | Up | 06:34:40 - 06:47:43 | 8566 |
| Peachland | 06:41:12 | -15.2 | AT | Down | 35.4 | 196.5 | Up | 06:34:41 - 06:47:44 | 8559 |
| Summerland | 06:41:12 | -15.3 | AT | Down | 35.5 | 196.6 | Up | 06:34:41 - 06:47:44 | 8549 |
| Penticton | 06:41:11 | -15.4 | AT | Down | 35.5 | 196.7 | Up | 06:34:40 - 06:47:43 | 8544 |
| Oliver | 06:41:11 | -15.7 | AT | Down | 35.9 | 196.8 | Up | 06:34:40 - 06:47:43 | 8520 |
| Anarchist Mountain Observatory | 06:41:10 | -15.9 | AT | Down | 36.0 | 197.1 | Up | 06:34:39 - 06:47:42 | 8509 |
| Victoria | 06:41:25 | -15.4 | AT | Down | 37.1 | 192.3 | Up | 06:34:53 - 06:47:56 | 8487 |
| Okanogan | 06:41:10 | -16.5 | AT | Down | 36.6 | 196.9 | Up | 06:34:39 - 06:47:42 | 8464 |
| Brewster | 06:41:11 | -16.7 | AT | Down | 36.9 | 196.8 | Up | 06:34:40 - 06:47:43 | 8446 |
| Manson/Chelan | 06:41:13 | -16.8 | AT | Down | 37.2 | 196.4 | Up | 06:34:41 - 06:47:44 | 8433 |
| Wenatchee | 06:41:12 | -17.2 | AT | Down | 37.7 | 196.3 | Up | 06:34:41 - 06:47:44 | 8400 |
| Ellensburg | 06:41:13 | -17.6 | AT | Down | 38.1 | 196.1 | Up | 06:34:41 - 06:47:44 | 8372 |
| Yakima | 06:41:13 | -17.9 | AT | Down | 38.5 | 196.1 | Up | 06:34:42 - 06:47:45 | 8343 |
| Toppenish/White Swan | 06:41:12 | -18.2 | Dark | Down | 38.7 | 196.4 | Up | 06:34:40 - 06:47:43 | 8327 |
| PNWRO | 06:41:06 | -18.9 | Dark | Down | 38.8 | 198.3 | Up | 06:34:35 - 06:47:38 | 8295 |
| The Dalles | 06:41:15 | -18.7 | Dark | Down | 39.6 | 195.6 | Up | 06:34:43 - 06:47:46 | 8273 |
| Maupin | 06:41:13 | -19.1 | Dark | Down | 40.0 | 195.8 | Up | 06:34:42 - 06:47:45 | 8242 |
| Sisters | 06:41:15 | -19.8 | Dark | Down | 40.9 | 195.4 | Up | 06:34:43 - 06:47:46 | 8179 |
| Bend | 06:41:14 | -20.1 | Dark | Down | 41.1 | 195.8 | Up | 06:34:42 - 06:47:45 | 8160 |
| Oregon Observatory | 06:41:14 | -20.2 | Dark | Down | 41.3 | 195.6 | Up | 06:34:43 - 06:47:46 | 8148 |
| Chiloquin | 06:41:15 | -21.3 | Dark | Down | 42.7 | 195.4 | Up | 06:34:44 - 06:47:47 | 8048 |
| Klamath Falls | 06:41:15 | -21.7 | Dark | Down | 43.0 | 195.6 | Up | 06:34:44 - 06:47:47 | 8022 |
| Cedarville | 06:41:07 | -22.8 | Dark | Down | 43.3 | 197.9 | Up | 06:34:36 - 06:47:39 | 7961 |
| Fall River/Burney | 06:41:12 | -22.9 | Dark | Down | 44.0 | 196.4 | Up | 06:34:41 - 06:47:44 | 7927 |
| Greenville | 06:41:10 | -23.8 | Dark | Down | 44.8 | 197.3 | Up | 06:34:38 - 06:47:41 | 7853 |
| Gimple | 06:41:09 | -23.9 | Dark | Down | 44.8 | 197.4 | Up | 06:34:38 - 06:47:41 | 7853 |
| Quincy | 06:41:10 | -24.0 | Dark | Down | 45.0 | 197.3 | Up | 06:34:38 - 06:47:41 | 7837 |
| Portola | 06:41:07 | -24.3 | Dark | Down | 45.0 | 198.0 | Up | 06:34:36 - 06:47:39 | 7825 |
| Reno | 06:41:05 | -24.7 | Dark | Down | 45.1 | 199.0 | Up | 06:34:33 - 06:47:36 | 7801 |
| Dunrhomin | 06:40:05 | -26.7 | Dark | Down | 39.3 | 216.8 | Up | 06:33:34 - 06:46:37 | 7795 |
| Nikitin | 06:40:06 | -26.8 | Dark | Down | 39.4 | 216.9 | Up | 06:33:34 - 06:46:37 | 7780 |
| CU-SBO | 06:40:05 | -26.9 | Dark | Down | 39.5 | 216.8 | Up | 06:33:34 - 06:46:37 | 7775 |
| Carson City | 06:41:04 | -25.1 | Dark | Down | 45.4 | 199.1 | Up | 06:34:33 - 06:47:36 | 7772 |
| Yerington | 06:41:01 | -25.4 | Dark | Down | 45.5 | 200.0 | Up | 06:34:30 - 06:47:33 | 7753 |
| Gardnerville | 06:41:04 | -25.3 | Dark | Down | 45.7 | 199.3 | Up | 06:34:32 - 06:47:35 | 7751 |
| Hawthorne | 06:40:59 | -26.0 | Dark | Down | 45.7 | 200.9 | Up | 06:34:27 - 06:47:30 | 7713 |
| Lee Vining | 06:41:01 | -26.4 | Dark | Down | 46.4 | 200.5 | Up | 06:34:29 - 06:47:32 | 7668 |
| Bishop | 06:40:57 | -27.1 | Dark | Down | 46.8 | 201.7 | Up | 06:34:25 - 06:47:28 | 7615 |
| Beatty | 06:40:50 | -28.0 | Dark | Down | 46.7 | 204.1 | Up | 06:34:18 - 06:47:21 | 7569 |
| Patrick | 06:40:35 | -30.1 | Dark | Down | 47.0 | 208.7 | Up | 06:34:04 - 06:47:07 | 7428 |
| Laughlin/Bullhead City | 06:40:39 | -30.2 | Dark | Down | 47.5 | 207.8 | Up | 06:34:07 - 06:47:10 | 7409 |
| Lake Havasu City | 06:40:37 | -30.9 | Dark | Down | 48.0 | 208.5 | Up | 06:34:05 - 06:47:08 | 7349 |
| Wildwood | 06:40:55 | -30.1 | Dark | Down | 49.9 | 202.8 | Up | 06:34:24 - 06:47:27 | 7333 |
| Idyllwild | 06:40:47 | -31.0 | Dark | Down | 49.6 | 205.6 | Up | 06:34:15 - 06:47:18 | 7294 |
| George/Scottsdale | 06:40:25 | -32.1 | Dark | Down | 47.7 | 212.2 | Up | 06:33:53 - 06:46:56 | 7269 |
| Calipatria | 06:40:41 | -31.9 | Dark | Down | 49.7 | 207.6 | Up | 06:34:10 - 06:47:13 | 7233 |
| Yuma | 06:40:36 | -32.5 | Dark | Down | 49.7 | 209.1 | Up | 06:34:05 - 06:47:08 | 7190 |
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 40314, (2024/07/04 06:43UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 22.91 168 1Del Oph 16:14:20.7 -03:41:43 2.7 6.33 151 12 Oph 16:36:22.1 -02:19:35 5.8 1.57 152 PPM 199870 16:39:23.9 -03:06:20 7.7 0.56 153 PPM 199876 16:39:42.4 -03:37:10 8.7 0.04 153 40314 16:39:42.2 -03:39:22 16.7 154 Positions are for J2000
Event circumstances last updated at 2024/06/11 03:47:41 UT
Marc W. Buie, Southwest Research Institute