Event between (33340) 98VG44 and star GA1100:02679048 with event index number of 352265
Geocentric closest approach at 2020/03/14 02:49:09 UTC
J2000 position of star is 07:10:00.2 +21:24:25
Equinox of date position of star is 07:11:10.9 +21:22:25
Stellar brightness G=12.9,
use SENSEUP=32
Star is 129 degrees from the moon.
Moon is 74% illuminated.
TNO apparent brightness V=21.4
[RECON map]
TNO is 29.6 AU from the Sun
and 29.2 AU from the Earth.
The TNO is moving 5.9
km/sec on the sky relative to the star, or,
1.0 arcsec/hr.
The 1-sigma error in the time of the event is 946 seconds.
The 1-sigma cross-track error in the shadow position is
3317 km.
The sky-plane scale is
21167.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.5
Diameter=302.0 km assuming a 5% albedo -- 51.3 sec chord
Diameter=123.3 km assuming a 30% albedo -- 20.9 sec chord
Dynamical classification is 3:2E
Star training set for 33340, (2020/03/14 02:49UT) Object RA Dec mag sep mel Pollux 07:46:33.0 +27:58:33 1.1 10.39 121 Alhena 06:38:52.7 +16:22:49 1.9 9.13 136 44 Gem 07:06:31.3 +22:36:20 5.9 1.64 130 PPM 097202 07:13:58.4 +21:19:00 8.4 0.65 128 PPM 097132 07:11:18.4 +21:25:33 9.3 0.06 129 33340 07:11:12.4 +21:22:22 12.9 129 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
1.0 sigma about the mid-time.
The median site spacing is **** km
RECON observability=0.1 and success probability=6.6%
| 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 | 02:53:35 | -9.4 | NT | Down | 59.8 | 158.9 | Up | 02:38:35 - 03:08:35 | -75 |
| Kelowna | 02:53:37 | -9.3 | NT | Down | 60.2 | 158.3 | Up | 02:38:37 - 03:08:37 | -115 |
| Summerland | 02:53:39 | -9.2 | NT | Down | 60.4 | 157.8 | Up | 02:38:39 - 03:08:39 | -143 |
| Penticton | 02:53:37 | -9.3 | NT | Down | 60.4 | 158.0 | Up | 02:38:37 - 03:08:37 | -148 |
| Oliver | 02:53:37 | -9.3 | NT | Down | 60.8 | 157.7 | Up | 02:38:37 - 03:08:37 | -183 |
| Anarchist Mountain Observatory | 02:53:34 | -9.5 | NT | Down | 61.0 | 158.0 | Up | 02:38:34 - 03:08:34 | -198 |
| Tonasket | 02:53:35 | -9.5 | NT | Down | 61.2 | 157.6 | Up | 02:38:35 - 03:08:35 | -229 |
| Okanogan | 02:53:36 | -9.4 | NT | Down | 61.5 | 157.1 | Up | 02:38:36 - 03:08:36 | -265 |
| Victoria | 02:54:20 | -7.0 | NT | Down | 60.3 | 150.6 | Up | 02:39:20 - 03:09:20 | -294 |
| Brewster | 02:53:38 | -9.3 | NT | Down | 61.7 | 156.5 | Up | 02:38:38 - 03:08:38 | -294 |
| Manson/Chelan | 02:53:42 | -9.1 | NT | Down | 61.8 | 155.7 | Up | 02:38:42 - 03:08:42 | -320 |
| Entiat | 02:53:42 | -9.1 | NT | Down | 62.0 | 155.4 | Up | 02:38:42 - 03:08:42 | -343 |
| Wenatchee | 02:53:43 | -9.1 | NT | Down | 62.2 | 155.0 | Up | 02:38:43 - 03:08:43 | -370 |
| Ellensburg | 02:53:45 | -9.0 | NT | Down | 62.5 | 154.3 | Up | 02:38:45 - 03:08:45 | -414 |
| Yakima | 02:53:45 | -9.0 | NT | Down | 62.9 | 153.9 | Up | 02:38:45 - 03:08:45 | -455 |
| Pasco | 02:53:27 | -10.0 | NT | Down | 63.6 | 156.3 | Up | 02:38:27 - 03:08:27 | -471 |
| Toppenish/White Swan | 02:53:43 | -9.1 | NT | Down | 63.1 | 154.0 | Up | 02:38:43 - 03:08:43 | -475 |
| PNWRO | 02:53:25 | -10.2 | NT | Down | 63.9 | 156.6 | Up | 02:38:25 - 03:08:25 | -493 |
| Goldendale | 02:53:47 | -8.9 | NT | Down | 63.5 | 152.8 | Up | 02:38:47 - 03:08:47 | -536 |
| The Dalles | 02:53:51 | -8.7 | NT | Down | 63.6 | 151.9 | Up | 02:38:51 - 03:08:51 | -564 |
| Maupin | 02:53:50 | -8.8 | NT | Down | 64.0 | 151.7 | Up | 02:38:50 - 03:08:50 | -605 |
| Redmond | 02:53:50 | -8.8 | NT | Down | 64.7 | 150.6 | Up | 02:38:50 - 03:08:50 | -699 |
| Sisters | 02:53:54 | -8.5 | NT | Down | 64.6 | 149.8 | Up | 02:38:54 - 03:08:54 | -702 |
| Bend | 02:53:51 | -8.7 | NT | Down | 64.9 | 150.1 | Up | 02:38:51 - 03:08:51 | -723 |
| Oregon Observatory | 02:53:53 | -8.7 | NT | Down | 65.0 | 149.6 | Up | 02:38:53 - 03:08:53 | -742 |
| La Pine/Gilchrist | 02:53:52 | -8.6 | NT | Down | 65.1 | 149.3 | Up | 02:38:52 - 03:08:52 | -764 |
| North Lake | 02:53:44 | -9.1 | NT | Down | 65.7 | 150.0 | Up | 02:38:44 - 03:08:44 | -802 |
| Niwot | 02:50:12 | -20.5 | Dark | Down | 71.2 | 186.0 | Up | 02:35:12 - 03:05:12 | -851 |
| Paisley | 02:53:39 | -9.4 | NT | Down | 66.3 | 150.1 | Up | 02:38:39 - 03:08:39 | -854 |
| SwRI | 02:50:13 | -20.5 | Dark | Down | 71.3 | 185.8 | Up | 02:35:13 - 03:05:13 | -864 |
| Lakeview | 02:53:37 | -9.6 | NT | Down | 66.8 | 149.9 | Up | 02:38:37 - 03:08:37 | -904 |
| Klamath Falls | 02:53:55 | -8.6 | NT | Down | 66.3 | 147.0 | Up | 02:38:55 - 03:08:55 | -919 |
| Cedarville | 02:53:33 | -9.8 | NT | Down | 67.4 | 149.4 | Up | 02:38:33 - 03:08:33 | -970 |
| Fall River/Burney | 02:53:48 | -8.9 | NT | Down | 67.4 | 146.3 | Up | 02:38:48 - 03:08:48 | -1037 |
| Susanville | 02:53:38 | -9.5 | NT | Down | 68.2 | 147.0 | Up | 02:38:38 - 03:08:38 | -1093 |
| Gimple | 02:53:40 | -9.4 | NT | Down | 68.4 | 146.1 | Up | 02:38:40 - 03:08:40 | -1125 |
| Greenville | 02:53:41 | -9.3 | NT | Down | 68.3 | 146.0 | Up | 02:38:41 - 03:08:41 | -1126 |
| Quincy | 02:53:42 | -9.3 | NT | Down | 68.5 | 145.7 | Up | 02:38:42 - 03:08:42 | -1148 |
| Portola | 02:53:34 | -9.7 | NT | Down | 68.8 | 146.5 | Up | 02:38:34 - 03:08:34 | -1154 |
| Reno | 02:53:26 | -10.2 | NT | Down | 69.3 | 147.6 | Up | 02:38:26 - 03:08:26 | -1173 |
| Carson City | 02:53:24 | -10.2 | NT | Down | 69.6 | 147.1 | Up | 02:38:24 - 03:08:24 | -1211 |
| Yerington | 02:53:15 | -10.7 | NT | Down | 70.0 | 148.2 | Up | 02:38:15 - 03:08:15 | -1222 |
| Gardnerville | 02:53:23 | -10.3 | NT | Down | 69.8 | 146.8 | Up | 02:38:23 - 03:08:23 | -1236 |
| Hawthorne | 02:53:08 | -11.1 | NT | Down | 70.6 | 148.8 | Up | 02:38:08 - 03:08:08 | -1263 |
| Tonopah | 02:52:47 | -12.2 | AT | Down | 71.5 | 151.6 | Up | 02:37:47 - 03:07:47 | -1290 |
| Lee Vining | 02:53:12 | -10.8 | NT | Down | 70.9 | 146.8 | Up | 02:38:12 - 03:08:12 | -1330 |
| Bishop | 02:53:01 | -11.4 | NT | Down | 71.7 | 147.5 | Up | 02:38:01 - 03:08:01 | -1383 |
| Beatty | 02:52:39 | -12.7 | AT | Down | 72.7 | 151.0 | Up | 02:37:39 - 03:07:39 | -1406 |
| Indian Springs | 02:52:36 | -13.6 | AT | Down | 73.4 | 153.7 | Up | 02:37:36 - 03:07:36 | -1425 |
| Henderson | 02:52:11 | -14.1 | AT | Down | 74.1 | 154.7 | Up | 02:37:11 - 03:07:11 | -1467 |
| Patrick | 02:51:55 | -15.1 | AT | Down | 75.0 | 157.2 | Up | 02:36:55 - 03:06:55 | -1513 |
| Searchlight/Boulder City | 02:52:11 | -14.3 | AT | Down | 74.6 | 154.0 | Up | 02:37:11 - 03:07:11 | -1527 |
| DCO | 02:51:42 | -15.6 | AT | Down | 75.5 | 159.0 | Up | 02:36:42 - 03:06:42 | -1532 |
| Kingman/Dolan Springs | 02:51:56 | -14.9 | AT | Down | 75.1 | 156.2 | Up | 02:36:56 - 03:06:56 | -1540 |
| Laughlin/Bullhead City | 02:52:03 | -14.5 | AT | Down | 75.0 | 154.5 | Up | 02:37:03 - 03:07:03 | -1552 |
| Mohave Valley | 02:52:02 | -14.6 | AT | Down | 75.2 | 154.1 | Up | 02:37:02 - 03:07:02 | -1581 |
| Lake Havasu City | 02:51:57 | -14.8 | AT | Down | 75.7 | 154.2 | Up | 02:36:57 - 03:06:57 | -1619 |
| CPSLO | 02:53:30 | -9.9 | NT | Down | 72.3 | 138.2 | Up | 02:38:30 - 03:08:30 | -1637 |
| George/Scottsdale | 02:51:19 | -16.8 | AT | Down | 77.1 | 161.6 | Up | 02:36:19 - 03:06:19 | -1655 |
| Parker | 02:51:55 | -14.9 | AT | Down | 76.0 | 153.7 | Up | 02:36:55 - 03:06:55 | -1656 |
| Blythe | 02:51:59 | -14.7 | AT | Down | 76.4 | 151.7 | Up | 02:36:59 - 03:06:59 | -1718 |
| Wildwood | 02:52:57 | -11.6 | NT | Down | 74.2 | 140.7 | Up | 02:37:57 - 03:07:57 | -1735 |
| Idyllwild | 02:52:36 | -13.1 | AT | Down | 75.4 | 145.3 | Up | 02:37:36 - 03:07:36 | -1743 |
| Calipatria | 02:52:10 | -14.0 | AT | Down | 76.4 | 147.5 | Up | 02:37:10 - 03:07:10 | -1787 |
| Yuma | 02:51:55 | -14.8 | AT | Down | 77.1 | 149.6 | Up | 02:36:55 - 03:06:55 | -1817 |
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 33340, (2020/03/14 02:49UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 10.39 121 Alhena 06:37:42.8 +16:23:57 1.9 9.13 136 44 Gem 07:05:18.4 +22:38:15 5.9 1.64 130 PPM 097202 07:12:46.3 +21:21:08 8.4 0.65 128 PPM 097132 07:10:06.2 +21:27:36 9.3 0.06 129 33340 07:10:00.2 +21:24:25 12.9 129 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:12:52 UT
Marc W. Buie, Southwest Research Institute