Event between 06SF369 and star GA1000:00552187 with event index number of 231917
Geocentric closest approach at 2019/12/31 04:05:30 UTC
J2000 position of star is 04:52:30.2 +11:20:48
Equinox of date position of star is 04:53:34.9 +11:22:41
Stellar brightness G=15.9,
use SENSEUP=128
Star is 96 degrees from the moon.
Moon is 23% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 42.7 AU from the Sun
and 41.8 AU from the Earth.
The TNO is moving 23.1
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 195 seconds.
The 1-sigma cross-track error in the shadow position is
3100 km.
The sky-plane scale is
30315.8 km/arcsec.
The TNO has an absolute magnitude Hv=6.7
Diameter=275.4 km assuming a 5% albedo -- 11.9 sec chord
Diameter=112.4 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 3:1II
Star training set for 06SF369, (2019/12/31 04:06UT) Object RA Dec mag sep mel Aldebaran 04:37:04.2 +16:32:53 0.8 6.54 93 Bellatrix 05:26:12.3 +06:21:58 1.6 9.48 103 6 Ori 04:55:53.6 +11:27:26 5.2 0.56 96 PPM 120326 04:52:19.1 +11:06:02 7.2 0.42 96 PPM 120346 04:53:31.9 +11:25:08 9.7 0.04 96 06SF369 04:53:36.8 +11:22:44 15.9 96 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
4.6 sigma about the mid-time.
The median site spacing is 20.9 km
RECON observability=1.0 and success probability=5.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 04:07:20 | -37.8 | Dark | Up | 43.6 | 135.2 | Up | 03:52:20 - 04:22:20 | 7088 |
| Summerland | 04:07:21 | -37.6 | Dark | Up | 43.7 | 134.6 | Up | 03:52:21 - 04:22:21 | 7062 |
| Penticton | 04:07:20 | -37.7 | Dark | Up | 43.8 | 134.7 | Up | 03:52:20 - 04:22:20 | 7056 |
| Okanagan Falls | 04:07:21 | -37.7 | Dark | Up | 43.9 | 134.6 | Up | 03:52:21 - 04:22:21 | 7039 |
| Oliver | 04:07:21 | -37.8 | Dark | Up | 44.0 | 134.5 | Up | 03:52:21 - 04:22:21 | 7025 |
| Anarchist Mountain Observatory | 04:07:21 | -37.9 | Dark | Up | 44.2 | 134.6 | Up | 03:52:21 - 04:22:21 | 7009 |
| Oroville | 04:07:21 | -37.9 | Dark | Up | 44.3 | 134.5 | Up | 03:52:21 - 04:22:21 | 7002 |
| Tonasket | 04:07:21 | -37.9 | Dark | Up | 44.4 | 134.3 | Up | 03:52:21 - 04:22:21 | 6982 |
| Okanogan | 04:07:22 | -37.8 | Dark | Up | 44.6 | 133.9 | Up | 03:52:22 - 04:22:22 | 6952 |
| Brewster | 04:07:23 | -37.7 | Dark | Up | 44.7 | 133.5 | Up | 03:52:23 - 04:22:23 | 6928 |
| Manson/Chelan | 04:07:26 | -37.5 | Dark | Up | 44.7 | 132.9 | Up | 03:52:26 - 04:22:26 | 6910 |
| Entiat | 04:07:25 | -37.5 | Dark | Up | 44.8 | 132.6 | Up | 03:52:25 - 04:22:25 | 6890 |
| Wenatchee | 04:07:25 | -37.5 | Dark | Up | 44.9 | 132.3 | Up | 03:52:25 - 04:22:25 | 6867 |
| Ellensburg | 04:07:27 | -37.4 | Dark | Up | 45.1 | 131.8 | Up | 03:52:27 - 04:22:27 | 6830 |
| Yakima | 04:07:28 | -37.4 | Dark | Up | 45.3 | 131.4 | Up | 03:52:28 - 04:22:28 | 6792 |
| Toppenish/White Swan | 04:07:28 | -37.5 | Dark | Up | 45.6 | 131.5 | Up | 03:52:28 - 04:22:28 | 6772 |
| Pasco | 04:07:25 | -38.4 | Dark | Up | 46.3 | 132.9 | Up | 03:52:25 - 04:22:25 | 6758 |
| PNWRO | 04:07:24 | -38.6 | Dark | Up | 46.6 | 133.0 | Up | 03:52:24 - 04:22:24 | 6735 |
| George/Umatilla | 04:07:26 | -38.3 | Dark | Up | 46.4 | 132.4 | Up | 03:52:26 - 04:22:26 | 6728 |
| Goldendale | 04:07:30 | -37.3 | Dark | Up | 45.7 | 130.6 | Up | 03:52:30 - 04:22:30 | 6722 |
| The Dalles | 04:07:31 | -37.1 | Dark | Up | 45.6 | 130.0 | Up | 03:52:31 - 04:22:31 | 6702 |
| Maupin | 04:07:31 | -37.2 | Dark | Up | 46.0 | 129.8 | Up | 03:52:31 - 04:22:31 | 6663 |
| Madras/Culver | 04:07:33 | -37.2 | Dark | Up | 46.3 | 129.3 | Up | 03:52:33 - 04:22:33 | 6612 |
| Sisters | 04:07:34 | -36.9 | Dark | Up | 46.3 | 128.5 | Up | 03:52:34 - 04:22:34 | 6581 |
| Redmond | 04:07:32 | -37.1 | Dark | Up | 46.5 | 128.9 | Up | 03:52:32 - 04:22:32 | 6578 |
| Bend | 04:07:34 | -37.1 | Dark | Up | 46.6 | 128.6 | Up | 03:52:34 - 04:22:34 | 6558 |
| Oregon Observatory | 04:07:34 | -37.0 | Dark | Up | 46.6 | 128.3 | Up | 03:52:34 - 04:22:34 | 6542 |
| La Pine/Gilchrist | 04:07:35 | -36.9 | Dark | Up | 46.7 | 128.1 | Up | 03:52:35 - 04:22:35 | 6523 |
| North Lake | 04:07:35 | -37.4 | Dark | Up | 47.3 | 128.4 | Up | 03:52:35 - 04:22:35 | 6480 |
| Paisley | 04:07:33 | -37.7 | Dark | Up | 47.8 | 128.3 | Up | 03:52:33 - 04:22:33 | 6426 |
| Chiloquin | 04:07:37 | -36.7 | Dark | Up | 47.2 | 126.7 | Up | 03:52:37 - 04:22:37 | 6418 |
| Klamath Falls | 04:07:38 | -36.8 | Dark | Up | 47.4 | 126.5 | Up | 03:52:38 - 04:22:38 | 6384 |
| Lakeview | 04:07:33 | -37.8 | Dark | Up | 48.3 | 128.1 | Up | 03:52:33 - 04:22:33 | 6377 |
| Tulelake | 04:07:37 | -37.0 | Dark | Up | 47.8 | 126.6 | Up | 03:52:37 - 04:22:37 | 6358 |
| Cedarville | 04:07:34 | -38.0 | Dark | Up | 48.8 | 127.7 | Up | 03:52:34 - 04:22:34 | 6313 |
| Fall River/Burney | 04:07:38 | -37.1 | Dark | Up | 48.3 | 125.9 | Up | 03:52:38 - 04:22:38 | 6269 |
| Susanville | 04:07:36 | -37.6 | Dark | Up | 49.2 | 126.2 | Up | 03:52:36 - 04:22:36 | 6206 |
| Greenville | 04:07:38 | -37.4 | Dark | Up | 49.2 | 125.6 | Up | 03:52:38 - 04:22:38 | 6179 |
| Gimple | 04:07:37 | -37.5 | Dark | Up | 49.2 | 125.7 | Up | 03:52:37 - 04:22:37 | 6179 |
| Niwot | 04:06:46 | -49.3 | Dark | Up | 57.4 | 147.2 | Up | 03:51:46 - 04:21:46 | 6173 |
| SwRI | 04:06:46 | -49.2 | Dark | Up | 57.5 | 147.0 | Up | 03:51:46 - 04:21:46 | 6163 |
| Quincy | 04:07:39 | -37.4 | Dark | Up | 49.3 | 125.4 | Up | 03:52:39 - 04:22:39 | 6159 |
| Portola | 04:07:37 | -37.8 | Dark | Up | 49.6 | 125.8 | Up | 03:52:37 - 04:22:37 | 6146 |
| Reno | 04:07:35 | -38.3 | Dark | Up | 50.2 | 126.3 | Up | 03:52:35 - 04:22:35 | 6118 |
| Carson City | 04:07:36 | -38.3 | Dark | Up | 50.4 | 126.0 | Up | 03:52:36 - 04:22:36 | 6082 |
| Yerington | 04:07:33 | -38.8 | Dark | Up | 50.9 | 126.5 | Up | 03:52:33 - 04:22:33 | 6062 |
| Gardnerville | 04:07:36 | -38.3 | Dark | Up | 50.6 | 125.8 | Up | 03:52:36 - 04:22:36 | 6058 |
| Hawthorne | 04:07:32 | -39.2 | Dark | Up | 51.5 | 126.7 | Up | 03:52:32 - 04:22:32 | 6014 |
| Tonopah | 04:07:28 | -40.3 | Dark | Up | 52.7 | 128.0 | Up | 03:52:28 - 04:22:28 | 5965 |
| Lee Vining | 04:07:35 | -38.8 | Dark | Up | 51.6 | 125.6 | Up | 03:52:35 - 04:22:35 | 5959 |
| Bishop | 04:07:33 | -39.4 | Dark | Up | 52.4 | 125.8 | Up | 03:52:33 - 04:22:33 | 5898 |
| Beatty | 04:07:28 | -40.7 | Dark | Up | 53.7 | 127.3 | Up | 03:52:28 - 04:22:28 | 5848 |
| Lone Pine | 04:07:32 | -39.6 | Dark | Up | 53.0 | 125.4 | Up | 03:52:32 - 04:22:32 | 5820 |
| Indian Springs | 04:07:24 | -41.5 | Dark | Up | 54.6 | 128.3 | Up | 03:52:24 - 04:22:24 | 5814 |
| Henderson | 04:07:22 | -42.1 | Dark | Up | 55.3 | 128.6 | Up | 03:52:22 - 04:22:22 | 5759 |
| Searchlight/Boulder City | 04:07:23 | -42.1 | Dark | Up | 55.7 | 128.1 | Up | 03:52:23 - 04:22:23 | 5700 |
| Patrick | 04:07:20 | -43.0 | Dark | Up | 56.4 | 129.4 | Up | 03:52:20 - 04:22:20 | 5694 |
| CPSLO | 04:07:43 | -37.5 | Dark | Up | 52.0 | 121.0 | Up | 03:52:43 - 04:22:43 | 5694 |
| Kingman/Dolan Springs | 04:07:21 | -42.8 | Dark | Up | 56.4 | 128.9 | Up | 03:52:21 - 04:22:21 | 5671 |
| Laughlin/Bullhead City | 04:07:22 | -42.4 | Dark | Up | 56.1 | 128.2 | Up | 03:52:22 - 04:22:22 | 5670 |
| DCO | 04:07:17 | -43.6 | Dark | Up | 57.1 | 130.0 | Up | 03:52:17 - 04:22:17 | 5663 |
| Mohave Valley | 04:07:23 | -42.4 | Dark | Up | 56.3 | 127.8 | Up | 03:52:23 - 04:22:23 | 5642 |
| Lake Havasu City | 04:07:22 | -42.6 | Dark | Up | 56.7 | 127.7 | Up | 03:52:22 - 04:22:22 | 5600 |
| Wildwood | 04:07:37 | -39.1 | Dark | Up | 54.1 | 122.0 | Up | 03:52:37 - 04:22:37 | 5565 |
| Parker | 04:07:22 | -42.6 | Dark | Up | 56.9 | 127.3 | Up | 03:52:22 - 04:22:22 | 5564 |
| Idyllwild | 04:07:31 | -40.6 | Dark | Up | 55.6 | 123.8 | Up | 03:52:31 - 04:22:31 | 5524 |
| Blythe | 04:07:24 | -42.4 | Dark | Up | 57.1 | 126.3 | Up | 03:52:24 - 04:22:24 | 5510 |
| Calipatria | 04:07:27 | -41.6 | Dark | Up | 56.7 | 124.5 | Up | 03:52:27 - 04:22:27 | 5460 |
| Yuma | 04:07:24 | -42.3 | Dark | Up | 57.6 | 125.1 | Up | 03:52:24 - 04:22:24 | 5414 |
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 06SF369, (2019/12/31 04:06UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 6.54 93 Bellatrix 05:25:07.8 +06:20:58 1.6 9.48 103 6 Ori 04:54:46.9 +11:25:35 5.2 0.56 96 PPM 120326 04:51:12.6 +11:04:04 7.2 0.42 96 PPM 120346 04:52:25.2 +11:23:13 9.7 0.04 96 06SF369 04:52:30.2 +11:20:48 15.9 96 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:06:07 UT
Marc W. Buie, Southwest Research Institute