Event between 10JG210 and star GA0900:05075582 with event index number of 1578646
Geocentric closest approach at 2021/03/13 10:40:38 UTC
J2000 position of star is 17:10:16.1 +00:41:19
Equinox of date position of star is 17:11:20.5 +00:39:49
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=21.8
[RECON map]
TNO is 19.5 AU from the Sun
and 19.4 AU from the Earth.
The TNO is moving 11.0
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 77 seconds.
The 1-sigma cross-track error in the shadow position is
894 km.
The sky-plane scale is
14044.1 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=115.3 km assuming a 5% albedo -- 10.5 sec chord
Diameter=47.1 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is CENTAURR
Star training set for 10JG210, (2021/03/13 10:41UT) Object RA Dec mag sep mel Antares 16:30:42.6 -26:28:38 0.9 28.85 103 60Bet Oph 17:44:31.2 +04:33:36 2.8 9.15 90 PPM 163749 17:17:36.3 +01:11:19 5.9 1.65 97 PPM 163619 17:11:20.5 +00:27:23 7.6 0.21 98 PPM 163605 17:10:47.7 +00:31:23 9.3 0.20 98 10JG210 17:11:20.9 +00:39:48 16.8 98 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 5.0 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) |
| Klamath Falls | 10:43:45 | -38.6 | Dark | Down | 30.8 | 121.5 | Up | 10:36:49 - 10:50:40 | 8126 |
| Victoria | 10:44:39 | -35.1 | Dark | Down | 26.6 | 123.1 | Low | 10:37:44 - 10:51:35 | 8119 |
| Fall River/Burney | 10:43:36 | -39.2 | Dark | Down | 31.6 | 121.2 | Up | 10:36:41 - 10:50:32 | 8114 |
| La Pine/Gilchrist | 10:44:01 | -37.5 | Dark | Down | 30.2 | 122.5 | Up | 10:37:05 - 10:50:56 | 8100 |
| Sisters | 10:44:07 | -37.1 | Dark | Down | 29.9 | 122.8 | Low | 10:37:12 - 10:51:03 | 8097 |
| Quincy | 10:43:29 | -39.6 | Dark | Down | 32.5 | 120.9 | Up | 10:36:33 - 10:50:24 | 8096 |
| Greenville | 10:43:27 | -39.5 | Dark | Down | 32.4 | 121.0 | Up | 10:36:32 - 10:50:23 | 8096 |
| Oregon Observatory | 10:44:04 | -37.3 | Dark | Down | 30.2 | 122.7 | Up | 10:37:08 - 10:50:59 | 8095 |
| Gimple | 10:43:31 | -39.5 | Dark | Down | 32.4 | 121.1 | Up | 10:36:36 - 10:50:27 | 8091 |
| Bend | 10:44:04 | -37.2 | Dark | Down | 30.2 | 122.9 | Up | 10:37:09 - 10:51:00 | 8087 |
| CPSLO | 10:42:47 | -42.3 | Dark | Down | 34.8 | 118.4 | Up | 10:35:51 - 10:49:42 | 8080 |
| Susanville | 10:43:34 | -39.1 | Dark | Down | 32.4 | 121.5 | Up | 10:36:39 - 10:50:30 | 8080 |
| Redmond | 10:44:05 | -36.9 | Dark | Down | 30.1 | 123.1 | Up | 10:37:09 - 10:51:00 | 8078 |
| North Lake | 10:43:57 | -37.5 | Dark | Down | 30.8 | 122.8 | Up | 10:37:02 - 10:50:53 | 8074 |
| Portola | 10:43:29 | -39.4 | Dark | Down | 32.9 | 121.3 | Up | 10:36:33 - 10:50:24 | 8072 |
| Maupin | 10:44:13 | -36.3 | Dark | Down | 29.7 | 123.7 | Low | 10:37:18 - 10:51:09 | 8063 |
| The Dalles | 10:44:18 | -36.0 | Dark | Down | 29.4 | 123.8 | Low | 10:37:23 - 10:51:14 | 8063 |
| Paisley | 10:43:54 | -37.6 | Dark | Down | 31.3 | 122.9 | Up | 10:36:58 - 10:50:49 | 8061 |
| Lakeview | 10:43:49 | -37.8 | Dark | Down | 31.7 | 122.8 | Up | 10:36:53 - 10:50:44 | 8055 |
| Cedarville | 10:43:46 | -38.1 | Dark | Down | 32.2 | 122.6 | Up | 10:36:50 - 10:50:41 | 8050 |
| Goldendale | 10:44:19 | -35.7 | Dark | Down | 29.5 | 124.2 | Low | 10:37:24 - 10:51:15 | 8043 |
| Reno | 10:43:29 | -39.2 | Dark | Down | 33.4 | 121.7 | Up | 10:36:33 - 10:50:24 | 8038 |
| Carson City | 10:43:25 | -39.4 | Dark | Down | 33.6 | 121.5 | Up | 10:36:30 - 10:50:21 | 8038 |
| Gardnerville | 10:43:22 | -39.5 | Dark | Down | 33.8 | 121.4 | Up | 10:36:27 - 10:50:18 | 8036 |
| Yakima | 10:44:29 | -35.0 | Dark | Down | 29.2 | 124.9 | Low | 10:37:33 - 10:51:24 | 8022 |
| Toppenish/White Swan | 10:44:26 | -35.1 | Dark | Down | 29.5 | 124.9 | Low | 10:37:30 - 10:51:21 | 8016 |
| Ellensburg | 10:44:29 | -34.8 | Dark | Down | 29.0 | 125.1 | Low | 10:37:34 - 10:51:25 | 8015 |
| Yerington | 10:43:23 | -39.1 | Dark | Down | 34.1 | 122.0 | Up | 10:36:28 - 10:50:19 | 8004 |
| Lee Vining | 10:43:16 | -39.7 | Dark | Down | 34.7 | 121.4 | Up | 10:36:21 - 10:50:12 | 8003 |
| Wenatchee | 10:44:36 | -34.4 | Dark | Down | 28.9 | 125.5 | Low | 10:37:40 - 10:51:31 | 7999 |
| Manson/Chelan | 10:44:43 | -34.0 | Dark | Down | 28.7 | 125.9 | Low | 10:37:47 - 10:51:38 | 7985 |
| Hawthorne | 10:43:20 | -39.0 | Dark | Down | 34.7 | 122.2 | Up | 10:36:24 - 10:50:15 | 7975 |
| Brewster | 10:44:41 | -33.6 | Dark | Down | 28.8 | 126.3 | Low | 10:37:46 - 10:51:37 | 7965 |
| Bishop | 10:43:12 | -39.6 | Dark | Down | 35.5 | 121.7 | Up | 10:36:17 - 10:50:08 | 7961 |
| Wildwood | 10:42:41 | -41.5 | Dark | Down | 36.9 | 119.3 | Up | 10:35:46 - 10:49:37 | 7958 |
| Pasco | 10:44:29 | -34.5 | Dark | Down | 30.2 | 126.1 | Up | 10:37:33 - 10:51:24 | 7957 |
| Okanogan | 10:44:45 | -33.3 | Dark | Down | 28.8 | 126.7 | Low | 10:37:49 - 10:51:40 | 7951 |
| PNWRO | 10:44:29 | -34.5 | Dark | Down | 30.5 | 126.2 | Up | 10:37:33 - 10:51:24 | 7949 |
| Tonasket | 10:44:47 | -33.0 | Dark | Down | 28.7 | 127.0 | Low | 10:37:51 - 10:51:42 | 7939 |
| Peachland | 10:44:55 | -32.5 | Dark | Down | 27.9 | 127.1 | Low | 10:38:00 - 10:51:51 | 7938 |
| Oliver | 10:44:52 | -32.8 | Dark | Down | 28.3 | 127.1 | Low | 10:37:56 - 10:51:47 | 7938 |
| Summerland | 10:44:55 | -32.6 | Dark | Down | 28.0 | 127.2 | Low | 10:38:00 - 10:51:51 | 7936 |
| Anarchist Mountain Observatory | 10:44:50 | -32.8 | Dark | Down | 28.5 | 127.2 | Low | 10:37:55 - 10:51:46 | 7932 |
| Penticton | 10:44:57 | -32.5 | Dark | Down | 28.1 | 127.3 | Low | 10:38:02 - 10:51:53 | 7932 |
| Kelowna | 10:45:01 | -32.3 | Dark | Down | 28.0 | 127.5 | Low | 10:38:05 - 10:51:56 | 7922 |
| Clarence Fulton | 10:45:01 | -31.9 | Dark | Down | 27.8 | 127.8 | Low | 10:38:05 - 10:51:56 | 7909 |
| Tonopah | 10:43:22 | -38.4 | Dark | Down | 35.9 | 123.2 | Up | 10:36:26 - 10:50:17 | 7896 |
| Beatty | 10:43:13 | -38.7 | Dark | Down | 36.8 | 122.9 | Up | 10:36:17 - 10:50:08 | 7866 |
| Idyllwild | 10:42:44 | -40.4 | Dark | Down | 38.4 | 120.8 | Up | 10:35:48 - 10:49:39 | 7844 |
| Indian Springs | 10:43:13 | -38.1 | Dark | Down | 37.7 | 123.7 | Up | 10:36:17 - 10:50:08 | 7801 |
| Calipatria | 10:42:41 | -39.8 | Dark | Down | 39.6 | 121.4 | Up | 10:35:46 - 10:49:37 | 7765 |
| Henderson | 10:43:10 | -37.9 | Dark | Down | 38.5 | 124.0 | Up | 10:36:14 - 10:50:05 | 7757 |
| Laughlin/Bullhead City | 10:43:03 | -38.1 | Dark | Down | 39.2 | 123.8 | Up | 10:36:07 - 10:49:58 | 7725 |
| Mohave Valley | 10:43:01 | -38.2 | Dark | Down | 39.4 | 123.6 | Up | 10:36:05 - 10:49:56 | 7723 |
| Blythe | 10:42:51 | -38.8 | Dark | Down | 40.0 | 122.6 | Up | 10:35:55 - 10:49:46 | 7712 |
| Yuma | 10:42:40 | -39.3 | Dark | Down | 40.5 | 121.9 | Up | 10:35:45 - 10:49:36 | 7705 |
| Lake Havasu City | 10:42:58 | -38.2 | Dark | Down | 39.8 | 123.5 | Up | 10:36:03 - 10:49:54 | 7704 |
| Parker | 10:42:54 | -38.4 | Dark | Down | 40.0 | 123.3 | Up | 10:35:59 - 10:49:50 | 7699 |
| Kingman/Dolan Springs | 10:43:07 | -37.7 | Dark | Down | 39.6 | 124.3 | Up | 10:36:12 - 10:50:03 | 7694 |
| Patrick | 10:43:08 | -37.4 | Dark | Down | 39.6 | 124.6 | Up | 10:36:12 - 10:50:03 | 7684 |
| George/Scottsdale | 10:42:59 | -36.7 | Dark | Down | 41.9 | 125.4 | Up | 10:36:03 - 10:49:54 | 7540 |
| Dunrhomin | 10:44:20 | -28.9 | Dark | Down | 41.8 | 137.3 | Up | 10:37:25 - 10:51:16 | 7176 |
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 10JG210, (2021/03/13 10:41UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 28.85 103 60Bet Oph 17:43:28.3 +04:34:06 2.8 9.15 90 PPM 163749 17:16:31.7 +01:12:38 5.9 1.65 97 PPM 163619 17:10:15.6 +00:28:54 7.6 0.21 98 PPM 163605 17:09:42.8 +00:32:54 9.3 0.20 98 10JG210 17:10:16.1 +00:41:19 16.8 98 Positions are for J2000
Event circumstances last updated at 2021/01/19 21:05:52 UT
Marc W. Buie, Southwest Research Institute