Event between (248835) 06SX368 and star GA1220:01754758 with event index number of 2297949
Geocentric closest approach at 2022/02/25 06:14:25 UTC
J2000 position of star is 05:26:03.1 +33:31:41
Equinox of date position of star is 05:27:29.7 +33:32:45
Stellar brightness G=12.7,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 172 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=22.2
[RECON map]
TNO is 17.7 AU from the Sun
and 17.4 AU from the Earth.
The TNO is moving 9.6
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 207 seconds.
The 1-sigma cross-track error in the shadow position is
2691 km.
The sky-plane scale is
12640.7 km/arcsec.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 7.9 sec chord
Diameter=31.0 km assuming a 30% albedo -- 3.2 sec chord
Dynamical classification is CENTAURR
Star training set for 248835, (2022/02/25 06:14UT) Object RA Dec mag sep mel Aldebaran 04:37:11.7 +16:33:07 0.8 20.42 164 Alnath 05:27:41.6 +28:37:27 1.6 4.92 177 19 Aur 05:21:28.7 +33:58:45 5.0 1.33 171 PPM 070359 05:28:18.6 +33:16:46 7.5 0.31 172 PPM 070310 05:26:08.7 +33:40:01 8.9 0.31 172 PPM 070357 05:28:15.2 +33:41:57 10.1 0.22 172 248835 05:27:30.6 +33:32:45 12.7 172 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
4.3 sigma about the mid-time.
The median site spacing is 22.6 km
RECON observability=1.0 and success probability=4.6%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kamloops | 06:08:46 | -41.0 | Dark | Down | 53.0 | 260.2 | Up | 05:53:46 - 06:23:46 | -5435 |
Victoria | 06:09:15 | -41.2 | Dark | Down | 55.2 | 260.4 | Up | 05:54:15 - 06:24:15 | -5481 |
Peachland | 06:08:50 | -42.0 | Dark | Down | 52.7 | 261.9 | Up | 05:53:50 - 06:23:50 | -5537 |
Kelowna | 06:08:47 | -42.0 | Dark | Down | 52.5 | 262.1 | Up | 05:53:47 - 06:23:47 | -5540 |
Summerland | 06:08:51 | -42.1 | Dark | Down | 52.7 | 262.2 | Up | 05:53:51 - 06:23:51 | -5553 |
Penticton | 06:08:52 | -42.2 | Dark | Down | 52.6 | 262.4 | Up | 05:53:52 - 06:23:52 | -5563 |
Oliver | 06:08:53 | -42.5 | Dark | Down | 52.6 | 262.9 | Up | 05:53:53 - 06:23:53 | -5593 |
Anarchist Mountain Observatory | 06:08:55 | -42.7 | Dark | Down | 52.5 | 263.3 | Up | 05:53:55 - 06:23:55 | -5615 |
Tonasket | 06:08:56 | -42.9 | Dark | Down | 52.6 | 263.6 | Up | 05:53:56 - 06:23:56 | -5638 |
Okanogan | 06:09:00 | -43.1 | Dark | Down | 52.7 | 263.9 | Up | 05:54:00 - 06:24:00 | -5660 |
Brewster | 06:09:05 | -43.2 | Dark | Down | 52.9 | 264.1 | Up | 05:54:05 - 06:24:05 | -5674 |
Manson/Chelan | 06:09:06 | -43.2 | Dark | Down | 53.1 | 264.1 | Up | 05:54:06 - 06:24:06 | -5675 |
Wenatchee | 06:09:12 | -43.4 | Dark | Down | 53.3 | 264.6 | Up | 05:54:12 - 06:24:12 | -5707 |
Ellensburg | 06:09:14 | -43.6 | Dark | Down | 53.5 | 265.0 | Up | 05:54:14 - 06:24:14 | -5731 |
Yakima | 06:09:15 | -43.9 | Dark | Down | 53.5 | 265.5 | Up | 05:54:15 - 06:24:15 | -5764 |
Sleaford | 06:07:40 | -44.8 | Dark | Down | 44.0 | 270.5 | Up | 05:52:40 - 06:22:40 | -5784 |
Toppenish/White Swan | 06:09:15 | -44.1 | Dark | Down | 53.4 | 266.0 | Up | 05:54:15 - 06:24:15 | -5789 |
Goldendale | 06:09:24 | -44.3 | Dark | Down | 53.7 | 266.4 | Up | 05:54:24 - 06:24:24 | -5814 |
The Dalles | 06:09:26 | -44.3 | Dark | Down | 54.0 | 266.4 | Up | 05:54:26 - 06:24:26 | -5816 |
Pasco | 06:09:13 | -44.8 | Dark | Down | 52.5 | 267.1 | Up | 05:54:13 - 06:24:13 | -5853 |
Maupin | 06:09:31 | -44.6 | Dark | Down | 53.9 | 267.1 | Up | 05:54:31 - 06:24:31 | -5854 |
PNWRO | 06:09:14 | -45.1 | Dark | Down | 52.4 | 267.6 | Up | 05:54:14 - 06:24:14 | -5884 |
Sisters | 06:09:40 | -45.0 | Dark | Down | 54.3 | 268.0 | Up | 05:54:40 - 06:24:40 | -5901 |
Redmond | 06:09:40 | -45.2 | Dark | Down | 54.0 | 268.3 | Up | 05:54:40 - 06:24:40 | -5922 |
Bend | 06:09:39 | -45.3 | Dark | Down | 54.1 | 268.5 | Up | 05:54:39 - 06:24:39 | -5932 |
Oregon Observatory | 06:09:40 | -45.3 | Dark | Down | 54.2 | 268.7 | Up | 05:54:40 - 06:24:40 | -5940 |
La Pine/Gilchrist | 06:09:43 | -45.4 | Dark | Down | 54.2 | 268.9 | Up | 05:54:43 - 06:24:43 | -5953 |
North Lake | 06:09:45 | -46.1 | Dark | Down | 53.8 | 269.9 | Up | 05:54:45 - 06:24:45 | -6016 |
Chiloquin | 06:09:54 | -46.0 | Dark | Down | 54.5 | 270.2 | Up | 05:54:54 - 06:24:54 | -6023 |
Klamath Falls | 06:09:56 | -46.3 | Dark | Down | 54.4 | 270.8 | Up | 05:54:56 - 06:24:56 | -6053 |
Paisley | 06:09:49 | -46.6 | Dark | Down | 53.5 | 270.9 | Up | 05:54:49 - 06:24:49 | -6076 |
Lakeview | 06:09:48 | -47.1 | Dark | Down | 53.4 | 271.7 | Up | 05:54:48 - 06:24:48 | -6124 |
Fall River/Burney | 06:10:08 | -47.3 | Dark | Down | 54.0 | 272.7 | Up | 05:55:08 - 06:25:08 | -6162 |
Cedarville | 06:09:56 | -47.6 | Dark | Down | 53.2 | 272.8 | Up | 05:54:56 - 06:24:56 | -6184 |
Susanville | 06:10:04 | -48.1 | Dark | Down | 53.5 | 274.0 | Up | 05:55:04 - 06:25:04 | -6246 |
Greenville | 06:10:08 | -48.1 | Dark | Down | 53.6 | 274.2 | Up | 05:55:08 - 06:25:08 | -6253 |
Gimple | 06:10:08 | -48.1 | Dark | Down | 53.6 | 274.2 | Up | 05:55:08 - 06:25:08 | -6257 |
Quincy | 06:10:12 | -48.2 | Dark | Down | 53.6 | 274.5 | Up | 05:55:12 - 06:25:12 | -6268 |
Portola | 06:10:10 | -48.6 | Dark | Down | 53.3 | 274.9 | Up | 05:55:10 - 06:25:10 | -6301 |
Reno | 06:10:08 | -49.1 | Dark | Down | 52.7 | 275.6 | Up | 05:55:08 - 06:25:08 | -6353 |
Carson City | 06:10:12 | -49.4 | Dark | Down | 52.7 | 276.1 | Up | 05:55:12 - 06:25:12 | -6381 |
Gardnerville | 06:10:14 | -49.6 | Dark | Down | 52.6 | 276.4 | Up | 05:55:14 - 06:25:14 | -6402 |
Yerington | 06:10:08 | -49.9 | Dark | Down | 52.2 | 276.7 | Up | 05:55:08 - 06:25:08 | -6426 |
Hawthorne | 06:10:13 | -50.5 | Dark | Down | 51.7 | 277.5 | Up | 05:55:13 - 06:25:13 | -6487 |
Lee Vining | 06:10:19 | -50.6 | Dark | Down | 52.0 | 278.0 | Up | 05:55:19 - 06:25:19 | -6507 |
Bishop | 06:10:20 | -51.4 | Dark | Down | 51.3 | 279.1 | Up | 05:55:20 - 06:25:20 | -6586 |
Tonopah | 06:10:08 | -51.7 | Dark | Down | 50.5 | 278.8 | Up | 05:55:08 - 06:25:08 | -6589 |
CPSLO | 06:10:47 | -51.3 | Dark | Down | 52.7 | 280.8 | Up | 05:55:47 - 06:25:47 | -6624 |
Beatty | 06:10:17 | -52.7 | Dark | Down | 50.0 | 280.4 | Up | 05:55:17 - 06:25:17 | -6697 |
Indian Springs | 06:10:11 | -53.6 | Dark | Down | 49.1 | 281.2 | Up | 05:55:11 - 06:25:11 | -6771 |
Wildwood | 06:10:47 | -53.4 | Dark | Down | 50.8 | 283.0 | Up | 05:55:47 - 06:25:47 | -6815 |
Henderson | 06:10:15 | -54.3 | Dark | Down | 48.4 | 282.1 | Up | 05:55:15 - 06:25:15 | -6842 |
Dunrhomin | 06:08:55 | -55.7 | Dark | Down | 42.0 | 282.2 | Up | 05:53:55 - 06:23:55 | -6867 |
Laughlin/Bullhead City | 06:10:17 | -55.2 | Dark | Down | 47.9 | 283.2 | Up | 05:55:17 - 06:25:17 | -6925 |
Idyllwild | 06:10:43 | -54.8 | Dark | Down | 49.2 | 284.1 | Up | 05:55:43 - 06:25:43 | -6934 |
Patrick | 06:10:11 | -55.4 | Dark | Down | 47.4 | 283.2 | Up | 05:55:11 - 06:25:11 | -6938 |
Mohave Valley | 06:10:18 | -55.4 | Dark | Down | 47.8 | 283.5 | Up | 05:55:18 - 06:25:18 | -6946 |
Kingman/Dolan Springs | 06:10:13 | -55.5 | Dark | Down | 47.5 | 283.4 | Up | 05:55:13 - 06:25:13 | -6947 |
Lake Havasu City | 06:10:24 | -55.8 | Dark | Down | 47.5 | 284.0 | Up | 05:55:24 - 06:25:24 | -6987 |
Parker | 06:10:24 | -56.1 | Dark | Down | 47.4 | 284.4 | Up | 05:55:24 - 06:25:24 | -7014 |
Calipatria | 06:10:43 | -56.0 | Dark | Down | 48.0 | 285.1 | Up | 05:55:43 - 06:25:43 | -7032 |
Blythe | 06:10:32 | -56.2 | Dark | Down | 47.5 | 284.9 | Up | 05:55:32 - 06:25:32 | -7039 |
Yuma | 06:10:38 | -56.8 | Dark | Down | 47.2 | 285.8 | Up | 05:55:38 - 06:25:38 | -7105 |
George/Scottsdale | 06:10:15 | -57.8 | Dark | Down | 45.3 | 285.6 | Up | 05:55:15 - 06:25:15 | -7150 |
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 248835, (2022/02/25 06:14UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 20.42 164 Alnath 05:26:17.6 +28:36:23 1.6 4.92 177 19 Aur 05:20:00.9 +33:57:29 5.0 1.33 171 PPM 070359 05:26:51.3 +33:15:44 7.5 0.31 172 PPM 070310 05:24:41.1 +33:38:54 8.9 0.31 172 PPM 070357 05:26:47.6 +33:40:54 10.1 0.22 172 248835 05:26:03.1 +33:31:41 12.7 172 Positions are for J2000
Event circumstances last updated at 2021/12/05 02:04:35 UT
Marc W. Buie, Southwest Research Institute