Event between (535229) 14YG50 and star GA1120:02948922 with event index number of 1618386
Geocentric closest approach at 2022/01/06 08:20:12 UTC
J2000 position of star is 08:00:05.0 +22:59:26
Equinox of date position of star is 08:01:19.8 +22:55:55
Stellar brightness G=12.4,
use SENSEUP=16 with the MallinCam and and exposure
time of 250 milli-seconds with the QHY174 camera.
Star is 143 degrees from the moon.
Moon is 17% illuminated.
TNO apparent brightness V=22.6
[RECON map]
TNO is 34.9 AU from the Sun
and 34.0 AU from the Earth.
The TNO is moving 24.8
km/sec on the sky relative to the star, or,
3.6 arcsec/hr.
The 1-sigma error in the time of the event is 50 seconds.
The 1-sigma cross-track error in the shadow position is
1232 km.
The sky-plane scale is
24646.2 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 8.8 sec chord
Diameter=89.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is 3:2E
Star training set for 535229, (2022/01/06 08:20UT) Object RA Dec mag sep mel Pollux 07:46:39.6 +27:58:16 1.1 6.04 139 4Ome2Cnc 08:03:03.2 +25:01:38 6.2 2.13 143 PPM 098201 08:01:01.1 +23:07:17 7.9 0.21 143 PPM 098209 08:01:35.0 +23:01:02 9.7 0.10 143 535229 08:01:23.5 +22:55:44 12.4 143 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 28.1 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) |
| Clarence Fulton | 08:20:53 | -62.0 | Dark | Down | 62.0 | 163.7 | Up | 08:16:14 - 08:25:32 | 9924 |
| Kelowna | 08:20:53 | -62.4 | Dark | Down | 62.3 | 163.2 | Up | 08:16:14 - 08:25:32 | 9884 |
| Peachland | 08:20:54 | -62.5 | Dark | Down | 62.4 | 162.6 | Up | 08:16:15 - 08:25:33 | 9871 |
| Summerland | 08:20:54 | -62.7 | Dark | Down | 62.6 | 162.7 | Up | 08:16:15 - 08:25:33 | 9857 |
| Penticton | 08:20:54 | -62.7 | Dark | Down | 62.6 | 162.9 | Up | 08:16:15 - 08:25:33 | 9851 |
| Oliver | 08:20:54 | -63.1 | Dark | Down | 63.0 | 162.7 | Up | 08:16:15 - 08:25:33 | 9816 |
| Anarchist Mountain Observatory | 08:20:53 | -63.2 | Dark | Down | 63.2 | 163.0 | Up | 08:16:14 - 08:25:32 | 9800 |
| Tonasket | 08:20:53 | -63.6 | Dark | Down | 63.5 | 162.6 | Up | 08:16:14 - 08:25:32 | 9768 |
| Okanogan | 08:20:54 | -63.9 | Dark | Down | 63.7 | 162.1 | Up | 08:16:15 - 08:25:33 | 9734 |
| Victoria | 08:21:04 | -64.0 | Dark | Down | 62.7 | 154.8 | Up | 08:16:25 - 08:25:43 | 9730 |
| Brewster | 08:20:54 | -64.2 | Dark | Down | 64.0 | 161.5 | Up | 08:16:15 - 08:25:33 | 9705 |
| Manson/Chelan | 08:20:55 | -64.4 | Dark | Down | 64.1 | 160.7 | Up | 08:16:16 - 08:25:34 | 9682 |
| Wenatchee | 08:20:56 | -64.9 | Dark | Down | 64.5 | 160.0 | Up | 08:16:17 - 08:25:35 | 9633 |
| Ellensburg | 08:20:57 | -65.3 | Dark | Down | 64.8 | 159.2 | Up | 08:16:18 - 08:25:36 | 9589 |
| Yakima | 08:20:57 | -65.7 | Dark | Down | 65.2 | 158.9 | Up | 08:16:18 - 08:25:36 | 9548 |
| Toppenish/White Swan | 08:20:56 | -65.9 | Dark | Down | 65.4 | 159.1 | Up | 08:16:17 - 08:25:35 | 9526 |
| Pasco | 08:20:52 | -65.9 | Dark | Down | 65.9 | 161.7 | Up | 08:16:13 - 08:25:31 | 9522 |
| PNWRO | 08:20:51 | -66.1 | Dark | Down | 66.1 | 162.0 | Up | 08:16:12 - 08:25:30 | 9498 |
| Goldendale | 08:20:58 | -66.5 | Dark | Down | 65.9 | 157.7 | Up | 08:16:19 - 08:25:37 | 9467 |
| The Dalles | 08:20:58 | -66.8 | Dark | Down | 66.0 | 156.7 | Up | 08:16:19 - 08:25:37 | 9442 |
| Maupin | 08:20:58 | -67.2 | Dark | Down | 66.4 | 156.6 | Up | 08:16:19 - 08:25:37 | 9399 |
| Sisters | 08:20:59 | -68.1 | Dark | Down | 67.0 | 154.7 | Up | 08:16:20 - 08:25:38 | 9306 |
| Redmond | 08:20:58 | -68.1 | Dark | Down | 67.2 | 155.5 | Up | 08:16:19 - 08:25:37 | 9305 |
| Bend | 08:20:59 | -68.3 | Dark | Down | 67.3 | 155.0 | Up | 08:16:20 - 08:25:38 | 9282 |
| Oregon Observatory | 08:20:59 | -68.5 | Dark | Down | 67.4 | 154.5 | Up | 08:16:20 - 08:25:38 | 9264 |
| La Pine/Gilchrist | 08:20:59 | -68.7 | Dark | Down | 67.6 | 154.2 | Up | 08:16:20 - 08:25:38 | 9242 |
| North Lake | 08:20:57 | -69.1 | Dark | Down | 68.2 | 155.1 | Up | 08:16:18 - 08:25:36 | 9200 |
| Paisley | 08:20:56 | -69.6 | Dark | Down | 68.8 | 155.3 | Up | 08:16:17 - 08:25:35 | 9144 |
| Lakeview | 08:20:56 | -70.1 | Dark | Down | 69.3 | 155.3 | Up | 08:16:17 - 08:25:35 | 9092 |
| Klamath Falls | 08:21:00 | -70.2 | Dark | Down | 68.8 | 151.9 | Up | 08:16:21 - 08:25:39 | 9088 |
| Dunrhomin | 08:20:05 | -66.4 | Dark | Down | 72.1 | 197.4 | Up | 08:15:26 - 08:24:44 | 9052 |
| Cedarville | 08:20:55 | -70.7 | Dark | Down | 70.0 | 155.0 | Up | 08:16:16 - 08:25:34 | 9024 |
| Fall River/Burney | 08:20:58 | -71.3 | Dark | Down | 70.0 | 151.3 | Up | 08:16:19 - 08:25:37 | 8965 |
| Susanville | 08:20:56 | -71.9 | Dark | Down | 70.8 | 152.3 | Up | 08:16:17 - 08:25:35 | 8903 |
| Gimple | 08:20:57 | -72.2 | Dark | Down | 71.0 | 151.4 | Up | 08:16:18 - 08:25:36 | 8872 |
| Greenville | 08:20:58 | -72.2 | Dark | Down | 70.9 | 151.2 | Up | 08:16:19 - 08:25:37 | 8872 |
| Quincy | 08:20:56 | -72.4 | Dark | Down | 71.1 | 150.9 | Up | 08:16:17 - 08:25:35 | 8850 |
| Portola | 08:20:56 | -72.4 | Dark | Down | 71.4 | 152.0 | Up | 08:16:17 - 08:25:35 | 8840 |
| Reno | 08:20:54 | -72.6 | Dark | Down | 71.9 | 153.4 | Up | 08:16:15 - 08:25:33 | 8816 |
| Carson City | 08:20:53 | -73.0 | Dark | Down | 72.2 | 152.9 | Up | 08:16:14 - 08:25:32 | 8778 |
| Yerington | 08:20:51 | -73.0 | Dark | Down | 72.6 | 154.4 | Up | 08:16:12 - 08:25:30 | 8762 |
| Gardnerville | 08:20:53 | -73.2 | Dark | Down | 72.4 | 152.7 | Up | 08:16:14 - 08:25:32 | 8752 |
| Hawthorne | 08:20:49 | -73.4 | Dark | Down | 73.2 | 155.3 | Up | 08:16:10 - 08:25:28 | 8716 |
| Tonopah | 08:20:44 | -73.4 | Dark | Down | 74.0 | 159.0 | Up | 08:16:05 - 08:25:23 | 8677 |
| Lee Vining | 08:20:51 | -74.0 | Dark | Down | 73.5 | 153.0 | Up | 08:16:12 - 08:25:30 | 8652 |
| Bishop | 08:20:48 | -74.4 | Dark | Down | 74.3 | 154.3 | Up | 08:16:09 - 08:25:27 | 8593 |
| Beatty | 08:20:42 | -74.4 | Dark | Down | 75.2 | 158.9 | Up | 08:16:03 - 08:25:21 | 8557 |
| Indian Springs | 08:20:38 | -74.3 | Dark | Down | 75.8 | 162.3 | Up | 08:15:59 - 08:25:17 | 8532 |
| Henderson | 08:20:35 | -74.5 | Dark | Down | 76.5 | 164.2 | Up | 08:15:56 - 08:25:14 | 8481 |
| Patrick | 08:20:31 | -74.5 | Dark | Down | 77.3 | 167.9 | Up | 08:15:52 - 08:25:10 | 8426 |
| Kingman/Dolan Springs | 08:20:32 | -74.8 | Dark | Down | 77.5 | 166.9 | Up | 08:15:53 - 08:25:11 | 8400 |
| Laughlin/Bullhead City | 08:20:34 | -75.0 | Dark | Down | 77.4 | 164.8 | Up | 08:15:55 - 08:25:13 | 8392 |
| Mohave Valley | 08:20:33 | -75.2 | Dark | Down | 77.7 | 164.5 | Up | 08:15:54 - 08:25:12 | 8362 |
| CPSLO | 08:20:56 | -76.9 | Dark | Down | 75.1 | 143.4 | Up | 08:16:17 - 08:25:35 | 8354 |
| Lake Havasu City | 08:20:32 | -75.4 | Dark | Down | 78.1 | 165.0 | Up | 08:15:53 - 08:25:11 | 8322 |
| Parker | 08:20:32 | -75.7 | Dark | Down | 78.5 | 164.7 | Up | 08:15:53 - 08:25:11 | 8284 |
| George/Scottsdale | 08:20:22 | -74.7 | Dark | Down | 79.2 | 175.7 | Up | 08:15:43 - 08:25:01 | 8266 |
| Wildwood | 08:20:48 | -77.5 | Dark | Down | 77.1 | 147.4 | Up | 08:16:09 - 08:25:27 | 8238 |
| Blythe | 08:20:33 | -76.3 | Dark | Down | 78.9 | 162.6 | Up | 08:15:54 - 08:25:12 | 8224 |
| Idyllwild | 08:20:41 | -77.2 | Dark | Down | 78.2 | 153.7 | Up | 08:16:02 - 08:25:20 | 8215 |
| Calipatria | 08:20:36 | -77.1 | Dark | Down | 79.1 | 157.5 | Up | 08:15:57 - 08:25:15 | 8160 |
| Yuma | 08:20:34 | -77.0 | Dark | Down | 79.8 | 160.9 | Up | 08:15:55 - 08:25:13 | 8123 |
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 535229, (2022/01/06 08:20UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 6.04 139 4Ome2Cnc 08:01:43.7 +25:05:22 6.2 2.13 143 PPM 098201 07:59:42.6 +23:10:58 7.9 0.21 143 PPM 098209 08:00:16.5 +23:04:45 9.7 0.10 143 535229 08:00:05.0 +22:59:26 12.4 143 Positions are for J2000
Event circumstances last updated at 2020/12/28 21:41:37 UT
Marc W. Buie, Southwest Research Institute