Event between (84922) 03VS2 and star GA1220:02113278 with event index number of 2404915
Geocentric closest approach at 2021/11/06 04:32:42 UTC
J2000 position of star is 05:45:35.4 +32:34:53
Equinox of date position of star is 05:47:01.0 +32:35:19
Stellar brightness G=16.6,
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.
TNO apparent brightness V=19.7
[RECON map]
TNO is 36.8 AU from the Sun
and 36.0 AU from the Earth.
The TNO is moving 17.4
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 182 seconds.
The 1-sigma cross-track error in the shadow position is
1594 km.
The sky-plane scale is
26145.1 km/arcsec.
The TNO has an absolute magnitude Hv=4.0
Diameter=968.3 km assuming a 5% albedo -- 55.7 sec chord
Diameter=395.3 km assuming a 30% albedo -- 22.8 sec chord
Dynamical classification is 3:2E
Star training set for 84922, (2021/11/06 04:33UT) Object RA Dec mag sep mel Aldebaran 04:37:10.6 +16:33:05 0.8 22.50 171 Alnath 05:27:40.5 +28:37:26 1.6 5.75 159 PPM 070700 05:42:00.8 +31:22:05 5.9 1.62 155 PPM 070825 05:47:52.7 +32:39:22 8.3 0.19 154 84922 05:47:01.2 +32:35:19 16.6 154 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
4.9 sigma about the mid-time.
The median site spacing is 21.7 km
RECON observability=0.7 and success probability=20.2%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Victoria | 04:37:08 | -38.0 | Dark | Down | 20.8 | 63.9 | Low | 04:22:08 - 04:52:08 | -1116 |
Clarence Fulton | 04:37:00 | -39.8 | Dark | Down | 24.0 | 67.2 | Low | 04:22:00 - 04:52:00 | -1161 |
Peachland | 04:37:02 | -39.7 | Dark | Down | 23.5 | 66.7 | Low | 04:22:02 - 04:52:02 | -1177 |
Kelowna | 04:37:02 | -39.8 | Dark | Down | 23.7 | 67.0 | Low | 04:22:02 - 04:52:02 | -1181 |
Summerland | 04:37:02 | -39.8 | Dark | Down | 23.5 | 66.7 | Low | 04:22:02 - 04:52:02 | -1191 |
Penticton | 04:37:03 | -39.9 | Dark | Down | 23.5 | 66.8 | Low | 04:22:03 - 04:52:03 | -1200 |
Oliver | 04:37:04 | -40.1 | Dark | Down | 23.4 | 66.6 | Low | 04:22:04 - 04:52:04 | -1224 |
Anarchist Mountain Observatory | 04:37:05 | -40.3 | Dark | Down | 23.5 | 66.7 | Low | 04:22:05 - 04:52:05 | -1244 |
Tonasket | 04:37:06 | -40.4 | Dark | Down | 23.3 | 66.5 | Low | 04:22:06 - 04:52:06 | -1263 |
Okanogan | 04:37:08 | -40.4 | Dark | Down | 23.1 | 66.3 | Low | 04:22:08 - 04:52:08 | -1280 |
Manson/Chelan | 04:37:10 | -40.3 | Dark | Down | 22.5 | 65.8 | Low | 04:22:10 - 04:52:10 | -1291 |
Brewster | 04:37:09 | -40.4 | Dark | Down | 22.8 | 66.1 | Low | 04:22:09 - 04:52:09 | -1291 |
Wenatchee | 04:37:13 | -40.4 | Dark | Down | 22.2 | 65.5 | Low | 04:22:13 - 04:52:13 | -1317 |
Ellensburg | 04:37:15 | -40.4 | Dark | Down | 21.9 | 65.2 | Low | 04:22:15 - 04:52:15 | -1338 |
Yakima | 04:37:16 | -40.5 | Dark | Down | 21.8 | 65.1 | Low | 04:22:16 - 04:52:16 | -1366 |
Toppenish/White Swan | 04:37:17 | -40.7 | Dark | Down | 21.8 | 65.1 | Low | 04:22:17 - 04:52:17 | -1388 |
Goldendale | 04:37:19 | -40.7 | Dark | Down | 21.3 | 64.6 | Low | 04:22:19 - 04:52:19 | -1410 |
The Dalles | 04:37:20 | -40.5 | Dark | Down | 21.0 | 64.3 | Low | 04:22:20 - 04:52:20 | -1411 |
Maupin | 04:37:22 | -40.7 | Dark | Down | 20.8 | 64.3 | Low | 04:22:22 - 04:52:22 | -1446 |
Pasco | 04:37:17 | -41.6 | Dark | Down | 22.5 | 65.8 | Low | 04:22:17 - 04:52:17 | -1450 |
PNWRO | 04:37:18 | -41.8 | Dark | Down | 22.6 | 65.9 | Low | 04:22:18 - 04:52:18 | -1477 |
Sisters | 04:37:25 | -40.7 | Dark | Down | 20.2 | 63.7 | Low | 04:22:25 - 04:52:25 | -1488 |
Redmond | 04:37:25 | -41.0 | Dark | Down | 20.4 | 63.9 | Low | 04:22:25 - 04:52:25 | -1507 |
Bend | 04:37:26 | -41.0 | Dark | Down | 20.2 | 63.8 | Low | 04:22:26 - 04:52:26 | -1517 |
Oregon Observatory | 04:37:27 | -40.9 | Dark | Down | 20.1 | 63.6 | Low | 04:22:27 - 04:52:27 | -1524 |
La Pine/Gilchrist | 04:37:27 | -41.0 | Dark | Down | 19.9 | 63.5 | Really Low | 04:22:27 - 04:52:27 | -1536 |
North Lake | 04:37:29 | -41.5 | Dark | Down | 20.1 | 63.7 | Low | 04:22:29 - 04:52:29 | -1595 |
Chiloquin | 04:37:32 | -41.1 | Dark | Down | 19.2 | 63.0 | Really Low | 04:22:32 - 04:52:32 | -1603 |
Klamath Falls | 04:37:33 | -41.2 | Dark | Down | 19.1 | 62.9 | Really Low | 04:22:33 - 04:52:33 | -1632 |
Paisley | 04:37:32 | -42.0 | Dark | Down | 20.1 | 63.8 | Low | 04:22:32 - 04:52:32 | -1652 |
Lakeview | 04:37:33 | -42.3 | Dark | Down | 20.0 | 63.7 | Low | 04:22:33 - 04:52:33 | -1699 |
Fall River/Burney | 04:37:37 | -41.9 | Dark | Down | 18.8 | 62.8 | Really Low | 04:22:37 - 04:52:37 | -1738 |
Cedarville | 04:37:36 | -42.6 | Dark | Down | 19.9 | 63.6 | Really Low | 04:22:36 - 04:52:36 | -1757 |
Susanville | 04:37:40 | -42.6 | Dark | Down | 19.1 | 63.0 | Really Low | 04:22:40 - 04:52:40 | -1821 |
Greenville | 04:37:41 | -42.5 | Dark | Down | 18.7 | 62.8 | Really Low | 04:22:41 - 04:52:41 | -1828 |
Gimple | 04:37:41 | -42.5 | Dark | Down | 18.8 | 62.8 | Really Low | 04:22:41 - 04:52:41 | -1833 |
Quincy | 04:37:41 | -42.5 | Dark | Down | 18.6 | 62.7 | Really Low | 04:22:41 - 04:52:41 | -1844 |
Portola | 04:37:42 | -42.9 | Dark | Down | 18.9 | 62.9 | Really Low | 04:22:42 - 04:52:42 | -1876 |
Reno | 04:37:43 | -43.5 | Dark | Down | 19.2 | 63.2 | Really Low | 04:22:43 - 04:52:43 | -1927 |
Carson City | 04:37:44 | -43.6 | Dark | Down | 19.1 | 63.1 | Really Low | 04:22:44 - 04:52:44 | -1956 |
Gardnerville | 04:37:45 | -43.7 | Dark | Down | 19.0 | 63.0 | Really Low | 04:22:45 - 04:52:45 | -1978 |
Yerington | 04:37:44 | -44.1 | Dark | Down | 19.5 | 63.3 | Really Low | 04:22:44 - 04:52:44 | -2001 |
Hawthorne | 04:37:46 | -44.7 | Dark | Down | 19.6 | 63.5 | Really Low | 04:22:46 - 04:52:46 | -2063 |
Lee Vining | 04:37:48 | -44.5 | Dark | Down | 19.0 | 63.0 | Really Low | 04:22:48 - 04:52:48 | -2085 |
Tonopah | 04:37:47 | -45.9 | Dark | Down | 20.4 | 64.0 | Low | 04:22:47 - 04:52:47 | -2167 |
Bishop | 04:37:50 | -45.2 | Dark | Down | 19.3 | 63.2 | Really Low | 04:22:50 - 04:52:50 | -2169 |
CPSLO | 04:37:57 | -43.9 | Dark | Down | 16.7 | 61.6 | Really Low | 04:22:57 - 04:52:57 | -2228 |
Beatty | 04:37:51 | -46.6 | Dark | Down | 20.2 | 63.8 | Low | 04:22:51 - 04:52:51 | -2284 |
Indian Springs | 04:37:52 | -47.5 | Dark | Down | 20.9 | 64.2 | Low | 04:22:52 - 04:52:52 | -2363 |
Wildwood | 04:38:01 | -45.9 | Dark | Down | 17.7 | 62.2 | Really Low | 04:23:01 - 04:53:01 | -2429 |
Henderson | 04:37:53 | -48.2 | Dark | Down | 21.2 | 64.4 | Low | 04:22:53 - 04:52:53 | -2441 |
Dunrhomin | 04:37:29 | -53.4 | Dark | Down | 29.8 | 70.9 | Low | 04:22:29 - 04:52:29 | -2520 |
Laughlin/Bullhead City | 04:37:56 | -48.8 | Dark | Down | 21.1 | 64.3 | Low | 04:22:56 - 04:52:56 | -2535 |
Patrick | 04:37:55 | -49.3 | Dark | Down | 21.7 | 64.7 | Low | 04:22:55 - 04:52:55 | -2548 |
Idyllwild | 04:38:01 | -47.5 | Dark | Down | 18.9 | 62.9 | Really Low | 04:23:01 - 04:53:01 | -2553 |
Kingman/Dolan Springs | 04:37:55 | -49.2 | Dark | Down | 21.5 | 64.5 | Low | 04:22:55 - 04:52:55 | -2557 |
Mohave Valley | 04:37:56 | -48.9 | Dark | Down | 21.0 | 64.2 | Low | 04:22:56 - 04:52:56 | -2558 |
Lake Havasu City | 04:37:58 | -49.2 | Dark | Down | 21.0 | 64.1 | Low | 04:22:58 - 04:52:58 | -2605 |
Parker | 04:37:58 | -49.3 | Dark | Down | 20.9 | 64.0 | Low | 04:22:58 - 04:52:58 | -2636 |
Calipatria | 04:38:02 | -48.6 | Dark | Down | 19.5 | 63.2 | Really Low | 04:23:02 - 04:53:02 | -2664 |
Blythe | 04:38:00 | -49.2 | Dark | Down | 20.4 | 63.7 | Low | 04:23:00 - 04:53:00 | -2667 |
Yuma | 04:38:03 | -49.4 | Dark | Down | 20.0 | 63.4 | Really Low | 04:23:03 - 04:53:03 | -2746 |
George/Scottsdale | 04:37:57 | -51.4 | Dark | Down | 22.5 | 64.9 | Low | 04:22:57 - 04:52:57 | -2791 |
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 84922, (2021/11/06 04:33UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 22.50 171 Alnath 05:26:17.6 +28:36:23 1.6 5.75 159 PPM 070700 05:40:35.9 +31:21:29 5.9 1.62 155 PPM 070825 05:46:26.9 +32:38:58 8.3 0.19 154 84922 05:45:35.4 +32:34:53 16.6 154 Positions are for J2000
Event circumstances last updated at 2021/10/12 02:00:57 UT
Marc W. Buie, Southwest Research Institute