Event between 13PS76 and star GA1040:00178827 with event index number of 231458
Geocentric closest approach at 2018/12/07 04:55:39 UTC
J2000 position of star is 01:51:51.7 +14:16:21
Equinox of date position of star is 01:52:52.5 +14:21:53
Stellar brightness G=15.0,
use SENSEUP=128
Star is 137 degrees from the moon.
Moon is 0% illuminated.
TNO apparent brightness V=24.3
[RECON map]
TNO is 46.1 AU from the Sun
and 45.4 AU from the Earth.
The TNO is moving 17.5
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 325 seconds.
The 1-sigma cross-track error in the shadow position is
5247 km.
The sky-plane scale is
32937.4 km/arcsec.
The TNO has an absolute magnitude Hv=7.6
Diameter=181.1 km assuming a 5% albedo -- 10.3 sec chord
Diameter=74.0 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is SCATNEAR
Star training set for 13PS76, (2018/12/07 04:56UT) Object RA Dec mag sep mel Aldebaran 04:37:00.6 +16:32:45 0.8 39.54 176 6Bet Ari 01:55:41.4 +20:53:59 2.6 6.57 138 PPM 117850 02:00:26.9 +12:23:09 6.1 2.70 138 PPM 117752 01:54:05.6 +14:58:25 8.5 0.67 137 PPM 117748 01:53:52.4 +14:16:13 9.5 0.26 137 13PS76 01:52:52.9 +14:21:56 15.0 137 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
2.8 sigma about the mid-time.
The median site spacing is 19.0 km
RECON observability=1.0 and success probability=3.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Summerland | 04:54:15 | -46.2 | Dark | Down | 54.4 | 182.9 | Up | 04:39:15 - 05:09:15 | 11377 |
| Kelowna | 04:54:12 | -46.4 | Dark | Down | 54.3 | 183.5 | Up | 04:39:12 - 05:09:12 | 11371 |
| Penticton | 04:54:13 | -46.4 | Dark | Down | 54.7 | 183.3 | Up | 04:39:13 - 05:09:13 | 11345 |
| Okanagan Falls | 04:54:15 | -46.5 | Dark | Down | 54.9 | 183.3 | Up | 04:39:15 - 05:09:15 | 11329 |
| Oliver | 04:54:14 | -46.6 | Dark | Down | 55.1 | 183.3 | Up | 04:39:14 - 05:09:14 | 11315 |
| Anarchist Mountain Observatory | 04:54:14 | -46.7 | Dark | Down | 55.2 | 183.7 | Up | 04:39:14 - 05:09:14 | 11295 |
| Oroville | 04:54:14 | -46.7 | Dark | Down | 55.3 | 183.5 | Up | 04:39:14 - 05:09:14 | 11291 |
| Tonasket | 04:54:15 | -46.8 | Dark | Down | 55.5 | 183.6 | Up | 04:39:15 - 05:09:15 | 11271 |
| Okanogan | 04:54:17 | -46.9 | Dark | Down | 55.9 | 183.4 | Up | 04:39:17 - 05:09:17 | 11246 |
| Brewster | 04:54:17 | -46.8 | Dark | Down | 56.1 | 183.0 | Up | 04:39:17 - 05:09:17 | 11229 |
| Manson/Chelan | 04:54:19 | -46.7 | Dark | Down | 56.4 | 182.4 | Up | 04:39:19 - 05:09:19 | 11221 |
| Entiat | 04:54:20 | -46.7 | Dark | Down | 56.6 | 182.3 | Up | 04:39:20 - 05:09:20 | 11205 |
| Wenatchee | 04:54:22 | -46.7 | Dark | Down | 56.8 | 182.2 | Up | 04:39:22 - 05:09:22 | 11186 |
| Ellensburg | 04:54:22 | -46.7 | Dark | Down | 57.3 | 181.8 | Up | 04:39:22 - 05:09:22 | 11156 |
| Yakima | 04:54:23 | -46.8 | Dark | Down | 57.7 | 181.8 | Up | 04:39:23 - 05:09:23 | 11122 |
| Toppenish/White Swan | 04:54:23 | -47.0 | Dark | Down | 57.9 | 182.1 | Up | 04:39:23 - 05:09:23 | 11098 |
| Goldendale | 04:54:26 | -46.9 | Dark | Down | 58.4 | 181.4 | Up | 04:39:26 - 05:09:26 | 11062 |
| The Dalles | 04:54:28 | -46.7 | Dark | Down | 58.7 | 180.7 | Up | 04:39:28 - 05:09:28 | 11054 |
| Pasco | 04:54:18 | -47.9 | Dark | Down | 58.0 | 184.4 | Up | 04:39:18 - 05:09:18 | 11049 |
| George/Umatilla | 04:54:19 | -47.8 | Dark | Down | 58.3 | 184.0 | Up | 04:39:19 - 05:09:19 | 11026 |
| PNWRO | 04:54:18 | -48.1 | Dark | Down | 58.2 | 184.9 | Up | 04:39:18 - 05:09:18 | 11020 |
| Maupin | 04:54:28 | -46.9 | Dark | Down | 59.1 | 180.9 | Up | 04:39:28 - 05:09:28 | 11014 |
| Madras/Culver | 04:54:31 | -47.0 | Dark | Down | 59.6 | 180.9 | Up | 04:39:31 - 05:09:31 | 10967 |
| Sisters | 04:54:32 | -46.8 | Dark | Down | 60.0 | 180.0 | Up | 04:39:32 - 05:09:32 | 10952 |
| Redmond | 04:54:31 | -47.1 | Dark | Down | 60.0 | 180.8 | Up | 04:39:31 - 05:09:31 | 10937 |
| Bend | 04:54:32 | -47.1 | Dark | Down | 60.2 | 180.5 | Up | 04:39:32 - 05:09:32 | 10922 |
| Oregon Observatory | 04:54:32 | -47.0 | Dark | Down | 60.4 | 180.3 | Up | 04:39:32 - 05:09:32 | 10911 |
| La Pine/Gilchrist | 04:54:34 | -47.0 | Dark | Down | 60.6 | 180.2 | Up | 04:39:34 - 05:09:34 | 10895 |
| North Lake | 04:54:32 | -47.6 | Dark | Down | 61.0 | 181.4 | Up | 04:39:32 - 05:09:32 | 10837 |
| Chiloquin | 04:54:38 | -47.1 | Dark | Down | 61.7 | 179.5 | Up | 04:39:38 - 05:09:38 | 10807 |
| Paisley | 04:54:31 | -48.0 | Dark | Down | 61.6 | 182.1 | Up | 04:39:31 - 05:09:31 | 10776 |
| Klamath Falls | 04:54:39 | -47.2 | Dark | Down | 62.0 | 179.7 | Up | 04:39:39 - 05:09:39 | 10773 |
| Tulelake | 04:54:37 | -47.5 | Dark | Down | 62.3 | 180.3 | Up | 04:39:37 - 05:09:37 | 10739 |
| Lakeview | 04:54:32 | -48.2 | Dark | Down | 62.1 | 182.6 | Up | 04:39:32 - 05:09:32 | 10723 |
| Cedarville | 04:54:33 | -48.5 | Dark | Down | 62.7 | 183.0 | Up | 04:39:33 - 05:09:33 | 10658 |
| Fall River/Burney | 04:54:39 | -47.7 | Dark | Down | 63.2 | 180.5 | Up | 04:39:39 - 05:09:39 | 10654 |
| Susanville | 04:54:37 | -48.4 | Dark | Down | 63.8 | 182.1 | Up | 04:39:37 - 05:09:37 | 10571 |
| Greenville | 04:54:39 | -48.2 | Dark | Down | 64.1 | 181.5 | Up | 04:39:39 - 05:09:39 | 10556 |
| Gimple | 04:54:38 | -48.3 | Dark | Down | 64.1 | 181.7 | Up | 04:39:38 - 05:09:38 | 10553 |
| Quincy | 04:54:39 | -48.3 | Dark | Down | 64.3 | 181.5 | Up | 04:39:39 - 05:09:39 | 10537 |
| Portola | 04:54:38 | -48.6 | Dark | Down | 64.4 | 182.6 | Up | 04:39:38 - 05:09:38 | 10509 |
| Reno | 04:54:35 | -49.2 | Dark | Down | 64.7 | 184.0 | Up | 04:39:35 - 05:09:35 | 10463 |
| Carson City | 04:54:36 | -49.3 | Dark | Down | 65.0 | 184.2 | Up | 04:39:36 - 05:09:36 | 10429 |
| Gardnerville | 04:54:36 | -49.4 | Dark | Down | 65.3 | 184.3 | Up | 04:39:36 - 05:09:36 | 10404 |
| Yerington | 04:54:33 | -49.8 | Dark | Down | 65.2 | 185.6 | Up | 04:39:33 - 05:09:33 | 10389 |
| Hawthorne | 04:54:32 | -50.3 | Dark | Down | 65.6 | 187.0 | Up | 04:39:32 - 05:09:32 | 10328 |
| Lee Vining | 04:54:36 | -50.0 | Dark | Down | 66.2 | 186.0 | Up | 04:39:36 - 05:09:36 | 10291 |
| Tonopah | 04:54:26 | -51.4 | Dark | Down | 65.9 | 190.4 | Up | 04:39:26 - 05:09:26 | 10237 |
| Bishop | 04:54:33 | -50.7 | Dark | Down | 66.7 | 187.9 | Up | 04:39:33 - 05:09:33 | 10210 |
| Lone Pine | 04:54:33 | -51.1 | Dark | Down | 67.4 | 189.0 | Up | 04:39:33 - 05:09:33 | 10126 |
| Beatty | 04:54:27 | -52.0 | Dark | Down | 67.0 | 192.0 | Up | 04:39:27 - 05:09:27 | 10111 |
| CPSLO | 04:54:48 | -49.2 | Dark | Down | 68.9 | 182.7 | Up | 04:39:48 - 05:09:48 | 10092 |
| Niwot | 04:53:29 | -59.5 | Dark | Down | 60.5 | 213.3 | Up | 04:38:29 - 05:08:29 | 10074 |
| Indian Springs | 04:54:22 | -52.9 | Dark | Down | 67.1 | 194.8 | Up | 04:39:22 - 05:09:22 | 10043 |
| Henderson | 04:54:20 | -53.6 | Dark | Down | 67.5 | 196.8 | Up | 04:39:20 - 05:09:20 | 9968 |
| Searchlight/Boulder City | 04:54:21 | -53.7 | Dark | Down | 68.0 | 197.3 | Up | 04:39:21 - 05:09:21 | 9910 |
| Wildwood | 04:54:42 | -51.0 | Dark | Down | 70.0 | 188.6 | Up | 04:39:42 - 05:09:42 | 9902 |
| Patrick | 04:54:17 | -54.6 | Dark | Down | 67.8 | 200.0 | Up | 04:39:17 - 05:09:17 | 9870 |
| Laughlin/Bullhead City | 04:54:20 | -54.0 | Dark | Down | 68.2 | 198.4 | Up | 04:39:20 - 05:09:20 | 9870 |
| Kingman/Dolan Springs | 04:54:17 | -54.4 | Dark | Down | 68.0 | 199.7 | Up | 04:39:17 - 05:09:17 | 9855 |
| Mohave Valley | 04:54:22 | -54.1 | Dark | Down | 68.4 | 198.7 | Up | 04:39:22 - 05:09:22 | 9843 |
| DCO | 04:54:14 | -55.2 | Dark | Down | 67.8 | 201.9 | Up | 04:39:14 - 05:09:14 | 9817 |
| Idyllwild | 04:54:33 | -52.5 | Dark | Down | 70.0 | 194.0 | Up | 04:39:33 - 05:09:33 | 9801 |
| Lake Havasu City | 04:54:20 | -54.4 | Dark | Down | 68.8 | 199.6 | Up | 04:39:20 - 05:09:20 | 9795 |
| Parker | 04:54:21 | -54.4 | Dark | Down | 69.1 | 200.0 | Up | 04:39:21 - 05:09:21 | 9759 |
| Blythe | 04:54:23 | -54.3 | Dark | Down | 69.7 | 199.7 | Up | 04:39:23 - 05:09:23 | 9717 |
| Calipatria | 04:54:28 | -53.6 | Dark | Down | 70.4 | 197.7 | Up | 04:39:28 - 05:09:28 | 9700 |
| Yuma | 04:54:25 | -54.4 | Dark | Down | 70.5 | 200.5 | Up | 04:39:25 - 05:09:25 | 9627 |
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 13PS76, (2018/12/07 04:56UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 39.54 176 6Bet Ari 01:54:38.5 +20:48:27 2.6 6.57 138 PPM 117850 01:59:25.9 +12:17:41 6.1 2.70 138 PPM 117752 01:53:04.1 +14:52:52 8.5 0.67 137 PPM 117748 01:52:51.1 +14:10:39 9.5 0.26 137 13PS76 01:51:51.7 +14:16:21 15.0 137 Positions are for J2000
Event circumstances last updated at 2018/10/19 22:08:56 UT
Marc W. Buie, Southwest Research Institute