Event between (55636) 02TX300 and star GA1240:00248378 with event index number of 166696
Geocentric closest approach at 2018/11/16 09:09:32 UTC
J2000 position of star is 01:20:19.9 +35:19:33
Equinox of date position of star is 01:21:24.0 +35:25:28
Stellar brightness G=16.0,
use SENSEUP=128
Star is 65 degrees from the moon.
Moon is 57% illuminated.
TNO apparent brightness V=19.7
[RECON map]
TNO is 42.6 AU from the Sun
and 41.8 AU from the Earth.
The TNO is moving 23.8
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 82 seconds.
The 1-sigma cross-track error in the shadow position is
1939 km.
The sky-plane scale is
30287.2 km/arcsec.
The TNO has an absolute magnitude Hv=3.4
Diameter=1259.0 km assuming a 5% albedo -- 53.0 sec chord
Diameter=514.0 km assuming a 30% albedo -- 21.6 sec chord
Dynamical classification is SCATEXTD
Star training set for 55636, (2018/11/16 09:10UT) Object RA Dec mag sep mel Aldebaran 04:37:00.4 +16:32:45 0.8 47.27 97 57Gam1And 02:05:04.0 +42:25:10 2.3 10.99 76 PPM 066072 01:14:19.7 +34:11:53 6.5 1.90 63 PPM 066115 01:16:44.8 +34:49:31 8.5 1.12 63 PPM 066175 01:21:18.3 +35:13:14 9.0 0.20 64 55636 01:21:24.1 +35:25:28 16.0 65 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 25.5 km
RECON observability=1.0 and success probability=1.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 09:06:41 | -54.6 | Dark | Down | 49.6 | 269.4 | Up | 08:59:20 - 09:14:01 | 7571 |
| Summerland | 09:06:41 | -54.8 | Dark | Down | 49.8 | 269.2 | Up | 08:59:20 - 09:14:01 | 7565 |
| Penticton | 09:06:41 | -54.9 | Dark | Down | 49.7 | 269.7 | Up | 08:59:20 - 09:14:01 | 7530 |
| Okanagan Falls | 09:06:41 | -55.1 | Dark | Down | 49.7 | 269.9 | Up | 08:59:20 - 09:14:01 | 7509 |
| Oliver | 09:06:41 | -55.2 | Dark | Down | 49.7 | 270.1 | Up | 08:59:20 - 09:14:01 | 7491 |
| Anarchist Mountain Observatory | 09:06:40 | -55.3 | Dark | Down | 49.6 | 270.5 | Up | 08:59:19 - 09:14:00 | 7472 |
| Oroville | 09:06:41 | -55.4 | Dark | Down | 49.6 | 270.5 | Up | 08:59:20 - 09:14:01 | 7463 |
| Tonasket | 09:06:40 | -55.6 | Dark | Down | 49.6 | 270.8 | Up | 08:59:20 - 09:14:01 | 7438 |
| Okanogan | 09:06:40 | -55.9 | Dark | Down | 49.7 | 271.1 | Up | 08:59:20 - 09:14:01 | 7400 |
| Brewster | 09:06:41 | -56.2 | Dark | Down | 49.9 | 271.2 | Up | 08:59:20 - 09:14:01 | 7369 |
| Manson/Chelan | 09:06:41 | -56.5 | Dark | Down | 50.1 | 271.2 | Up | 08:59:20 - 09:14:01 | 7345 |
| Entiat | 09:06:41 | -56.7 | Dark | Down | 50.1 | 271.4 | Up | 08:59:21 - 09:14:02 | 7320 |
| Wenatchee | 09:06:42 | -57.0 | Dark | Down | 50.2 | 271.7 | Up | 08:59:21 - 09:14:02 | 7292 |
| Ellensburg | 09:06:42 | -57.4 | Dark | Down | 50.3 | 272.0 | Up | 08:59:22 - 09:14:03 | 7245 |
| Yakima | 09:06:43 | -57.7 | Dark | Down | 50.3 | 272.5 | Up | 08:59:22 - 09:14:03 | 7200 |
| Toppenish/White Swan | 09:06:42 | -57.8 | Dark | Down | 50.2 | 272.9 | Up | 08:59:21 - 09:14:02 | 7177 |
| Pasco | 09:06:39 | -57.4 | Dark | Down | 49.3 | 273.9 | Up | 08:59:18 - 09:13:59 | 7166 |
| PNWRO | 09:06:38 | -57.4 | Dark | Down | 49.1 | 274.3 | Up | 08:59:18 - 09:13:59 | 7140 |
| George/Umatilla | 09:06:39 | -57.7 | Dark | Down | 49.5 | 274.1 | Up | 08:59:19 - 09:14:00 | 7129 |
| Goldendale | 09:06:43 | -58.4 | Dark | Down | 50.5 | 273.2 | Up | 08:59:22 - 09:14:03 | 7114 |
| The Dalles | 09:06:44 | -58.8 | Dark | Down | 50.7 | 273.3 | Up | 08:59:23 - 09:14:04 | 7089 |
| Maupin | 09:06:44 | -59.0 | Dark | Down | 50.6 | 273.9 | Up | 08:59:23 - 09:14:04 | 7042 |
| Madras/Culver | 09:06:44 | -59.5 | Dark | Down | 50.6 | 274.5 | Up | 08:59:24 - 09:14:05 | 6982 |
| Sisters | 09:06:45 | -60.0 | Dark | Down | 50.9 | 274.6 | Up | 08:59:24 - 09:14:05 | 6944 |
| Redmond | 09:06:44 | -59.8 | Dark | Down | 50.6 | 274.9 | Up | 08:59:23 - 09:14:04 | 6942 |
| Bend | 09:06:44 | -60.0 | Dark | Down | 50.7 | 275.1 | Up | 08:59:24 - 09:14:05 | 6918 |
| Oregon Observatory | 09:06:45 | -60.2 | Dark | Down | 50.8 | 275.2 | Up | 08:59:24 - 09:14:05 | 6899 |
| La Pine/Gilchrist | 09:06:44 | -60.4 | Dark | Down | 50.8 | 275.4 | Up | 08:59:24 - 09:14:05 | 6876 |
| North Lake | 09:06:44 | -60.5 | Dark | Down | 50.3 | 276.3 | Up | 08:59:23 - 09:14:04 | 6828 |
| Paisley | 09:06:43 | -60.7 | Dark | Down | 50.0 | 277.2 | Up | 08:59:22 - 09:14:03 | 6768 |
| Chiloquin | 09:06:46 | -61.4 | Dark | Down | 50.9 | 276.6 | Up | 08:59:25 - 09:14:06 | 6752 |
| Klamath Falls | 09:06:47 | -61.7 | Dark | Down | 50.8 | 277.0 | Up | 08:59:26 - 09:14:07 | 6714 |
| Lakeview | 09:06:42 | -61.0 | Dark | Down | 49.8 | 277.9 | Up | 08:59:22 - 09:14:03 | 6712 |
| Tulelake | 09:06:45 | -61.7 | Dark | Down | 50.6 | 277.5 | Up | 08:59:24 - 09:14:05 | 6685 |
| Niwot | 09:06:04 | -53.1 | Dark | Down | 38.3 | 287.3 | Up | 08:58:43 - 09:13:24 | 6641 |
| Cedarville | 09:06:42 | -61.4 | Dark | Down | 49.5 | 278.7 | Up | 08:59:21 - 09:14:02 | 6640 |
| Fall River/Burney | 09:06:45 | -62.4 | Dark | Down | 50.4 | 278.7 | Up | 08:59:25 - 09:14:06 | 6585 |
| Susanville | 09:06:43 | -62.4 | Dark | Down | 49.7 | 279.8 | Up | 08:59:23 - 09:14:04 | 6516 |
| Greenville | 09:06:44 | -62.8 | Dark | Down | 49.9 | 280.0 | Up | 08:59:24 - 09:14:05 | 6485 |
| Gimple | 09:06:44 | -62.8 | Dark | Down | 49.8 | 280.0 | Up | 08:59:24 - 09:14:05 | 6485 |
| Quincy | 09:06:44 | -62.9 | Dark | Down | 49.9 | 280.2 | Up | 08:59:24 - 09:14:05 | 6463 |
| Portola | 09:06:43 | -62.8 | Dark | Down | 49.5 | 280.6 | Up | 08:59:22 - 09:14:03 | 6450 |
| Reno | 09:06:41 | -62.6 | Dark | Down | 48.9 | 281.2 | Up | 08:59:20 - 09:14:01 | 6422 |
| Carson City | 09:06:41 | -62.8 | Dark | Down | 48.9 | 281.6 | Up | 08:59:20 - 09:14:01 | 6383 |
| Yerington | 09:06:39 | -62.6 | Dark | Down | 48.3 | 282.1 | Up | 08:59:19 - 09:14:00 | 6364 |
| Gardnerville | 09:06:41 | -63.0 | Dark | Down | 48.8 | 281.9 | Up | 08:59:21 - 09:14:02 | 6356 |
| Hawthorne | 09:06:38 | -62.6 | Dark | Down | 47.8 | 282.8 | Up | 08:59:18 - 09:13:59 | 6315 |
| Tonopah | 09:06:34 | -62.0 | Dark | Down | 46.7 | 283.9 | Up | 08:59:14 - 09:13:55 | 6271 |
| Lee Vining | 09:06:40 | -63.3 | Dark | Down | 48.1 | 283.2 | Up | 08:59:19 - 09:14:00 | 6251 |
| Bishop | 09:06:38 | -63.2 | Dark | Down | 47.4 | 284.2 | Up | 08:59:17 - 09:13:58 | 6189 |
| Beatty | 09:06:33 | -62.4 | Dark | Down | 46.0 | 285.3 | Up | 08:59:13 - 09:13:54 | 6147 |
| Indian Springs | 09:06:30 | -61.9 | Dark | Down | 45.1 | 286.0 | Up | 08:59:10 - 09:13:51 | 6120 |
| Lone Pine | 09:06:37 | -63.4 | Dark | Down | 46.9 | 285.1 | Up | 08:59:17 - 09:13:58 | 6107 |
| Henderson | 09:06:29 | -61.7 | Dark | Down | 44.4 | 286.7 | Up | 08:59:09 - 09:13:50 | 6067 |
| Patrick | 09:06:26 | -61.2 | Dark | Down | 43.4 | 287.7 | Up | 08:59:06 - 09:13:47 | 6010 |
| Searchlight/Boulder City | 09:06:29 | -62.0 | Dark | Down | 44.2 | 287.3 | Up | 08:59:08 - 09:13:49 | 6006 |
| DCO | 09:06:24 | -60.9 | Dark | Down | 42.7 | 288.2 | Up | 08:59:03 - 09:13:44 | 5984 |
| Kingman/Dolan Springs | 09:06:26 | -61.5 | Dark | Down | 43.5 | 287.8 | Up | 08:59:06 - 09:13:47 | 5984 |
| Laughlin/Bullhead City | 09:06:28 | -61.9 | Dark | Down | 43.9 | 287.7 | Up | 08:59:08 - 09:13:49 | 5976 |
| CPSLO | 09:06:46 | -65.9 | Dark | Down | 48.6 | 285.6 | Up | 08:59:25 - 09:14:06 | 5957 |
| Mohave Valley | 09:06:28 | -62.0 | Dark | Down | 43.8 | 287.9 | Up | 08:59:07 - 09:13:48 | 5947 |
| Lake Havasu City | 09:06:27 | -62.0 | Dark | Down | 43.4 | 288.4 | Up | 08:59:07 - 09:13:48 | 5906 |
| Parker | 09:06:27 | -62.1 | Dark | Down | 43.3 | 288.7 | Up | 08:59:06 - 09:13:47 | 5869 |
| Wildwood | 09:06:40 | -65.2 | Dark | Down | 46.6 | 287.5 | Up | 08:59:20 - 09:14:01 | 5833 |
| Blythe | 09:06:29 | -62.6 | Dark | Down | 43.4 | 289.1 | Up | 08:59:08 - 09:13:49 | 5810 |
| Idyllwild | 09:06:35 | -64.1 | Dark | Down | 45.1 | 288.4 | Up | 08:59:14 - 09:13:55 | 5805 |
| Calipatria | 09:06:32 | -63.5 | Dark | Down | 43.9 | 289.3 | Up | 08:59:11 - 09:13:52 | 5749 |
| Yuma | 09:06:29 | -63.0 | Dark | Down | 43.1 | 289.9 | Up | 08:59:09 - 09:13:50 | 5710 |
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 55636, (2018/11/16 09:10UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 47.27 97 57Gam1And 02:03:54.0 +42:19:46 2.3 10.99 76 PPM 066072 01:13:16.2 +34:05:54 6.5 1.90 63 PPM 066115 01:15:41.1 +34:43:33 8.5 1.12 63 PPM 066175 01:20:14.1 +35:07:19 9.0 0.20 64 55636 01:20:19.9 +35:19:33 16.0 65 Positions are for J2000
Event circumstances last updated at 2018/11/05 21:13:15 UT
Marc W. Buie, Southwest Research Institute