Event between 04UD10 and star GA1120:00623800 with event index number of 215062
Geocentric closest approach at 2019/11/01 06:18:23 UTC
J2000 position of star is 04:19:31.5 +22:09:20
Equinox of date position of star is 04:20:39.0 +22:12:00
Stellar brightness G=16.5,
use SENSEUP=128
Star is 155 degrees from the moon.
Moon is 20% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 44.3 AU from the Sun
and 43.5 AU from the Earth.
The TNO is moving 22.2
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 444 seconds.
The 1-sigma cross-track error in the shadow position is
4371 km.
The sky-plane scale is
31529.3 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=283.1 km assuming a 5% albedo -- 12.8 sec chord
Diameter=115.6 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CLASSICAL
Star training set for 04UD10, (2019/11/01 06:18UT) Object RA Dec mag sep mel Aldebaran 04:37:03.7 +16:32:51 0.8 6.84 157 44Zet Per 03:55:23.0 +31:56:27 2.8 11.25 149 56 Tau 04:20:47.4 +21:49:11 5.3 0.38 155 PPM 093402 04:19:25.7 +22:51:13 7.9 0.72 155 PPM 093437 04:21:58.0 +22:16:38 9.8 0.30 155 PPM 093413 04:20:10.7 +22:11:16 11.4 0.12 155 04UD10 04:20:42.3 +22:12:07 16.5 155 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
2.0 sigma about the mid-time.
The median site spacing is 17.4 km
RECON observability=1.0 and success probability=2.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Summerland | 06:20:24 | -50.7 | Dark | Down | 42.7 | 107.3 | Up | 06:05:24 - 06:35:24 | 11340 |
| Kelowna | 06:20:22 | -50.8 | Dark | Down | 42.9 | 107.7 | Up | 06:05:22 - 06:35:22 | 11333 |
| Penticton | 06:20:25 | -51.1 | Dark | Down | 42.9 | 107.2 | Up | 06:05:25 - 06:35:25 | 11310 |
| Okanagan Falls | 06:20:24 | -51.2 | Dark | Down | 42.9 | 107.0 | Up | 06:05:24 - 06:35:24 | 11296 |
| Oliver | 06:20:25 | -51.4 | Dark | Down | 43.0 | 106.9 | Up | 06:05:25 - 06:35:25 | 11282 |
| Anarchist Mountain Observatory | 06:20:26 | -51.6 | Dark | Down | 43.2 | 106.9 | Up | 06:05:26 - 06:35:26 | 11264 |
| Oroville | 06:20:26 | -51.6 | Dark | Down | 43.1 | 106.8 | Up | 06:05:26 - 06:35:26 | 11260 |
| Tonasket | 06:20:27 | -51.8 | Dark | Down | 43.2 | 106.6 | Up | 06:05:27 - 06:35:27 | 11242 |
| Okanogan | 06:20:29 | -52.1 | Dark | Down | 43.2 | 106.2 | Up | 06:05:29 - 06:35:29 | 11219 |
| Brewster | 06:20:29 | -52.2 | Dark | Down | 43.2 | 105.7 | Up | 06:05:29 - 06:35:29 | 11203 |
| Manson/Chelan | 06:20:30 | -52.2 | Dark | Down | 43.0 | 105.2 | Up | 06:05:30 - 06:35:30 | 11197 |
| Entiat | 06:20:31 | -52.4 | Dark | Down | 43.0 | 104.9 | Up | 06:05:31 - 06:35:31 | 11182 |
| Wenatchee | 06:20:33 | -52.6 | Dark | Down | 43.0 | 104.6 | Up | 06:05:33 - 06:35:33 | 11164 |
| Ellensburg | 06:20:35 | -52.8 | Dark | Down | 43.0 | 104.1 | Up | 06:05:35 - 06:35:35 | 11138 |
| Yakima | 06:20:36 | -53.2 | Dark | Down | 43.1 | 103.7 | Up | 06:05:36 - 06:35:36 | 11106 |
| Toppenish/White Swan | 06:20:36 | -53.4 | Dark | Down | 43.2 | 103.6 | Up | 06:05:36 - 06:35:36 | 11083 |
| Goldendale | 06:20:40 | -53.7 | Dark | Down | 43.1 | 102.8 | Up | 06:05:40 - 06:35:40 | 11051 |
| The Dalles | 06:20:40 | -53.7 | Dark | Down | 42.9 | 102.3 | Up | 06:05:40 - 06:35:40 | 11044 |
| Pasco | 06:20:35 | -54.0 | Dark | Down | 44.1 | 104.7 | Up | 06:05:35 - 06:35:35 | 11036 |
| George/Umatilla | 06:20:36 | -54.2 | Dark | Down | 44.0 | 104.1 | Up | 06:05:36 - 06:35:36 | 11015 |
| PNWRO | 06:20:35 | -54.3 | Dark | Down | 44.3 | 104.6 | Up | 06:05:35 - 06:35:35 | 11010 |
| Maupin | 06:20:42 | -54.1 | Dark | Down | 43.0 | 102.0 | Up | 06:05:42 - 06:35:42 | 11006 |
| Madras/Culver | 06:20:43 | -54.5 | Dark | Down | 43.1 | 101.5 | Up | 06:05:43 - 06:35:43 | 10963 |
| Sisters | 06:20:46 | -54.6 | Dark | Down | 42.9 | 100.8 | Up | 06:05:46 - 06:35:46 | 10949 |
| Redmond | 06:20:44 | -54.8 | Dark | Down | 43.2 | 101.1 | Up | 06:05:44 - 06:35:44 | 10935 |
| Bend | 06:20:44 | -54.9 | Dark | Down | 43.1 | 100.8 | Up | 06:05:44 - 06:35:44 | 10921 |
| Oregon Observatory | 06:20:47 | -54.9 | Dark | Down | 43.1 | 100.5 | Up | 06:05:47 - 06:35:47 | 10911 |
| La Pine/Gilchrist | 06:20:48 | -55.1 | Dark | Down | 43.0 | 100.3 | Up | 06:05:48 - 06:35:48 | 10896 |
| North Lake | 06:20:47 | -55.7 | Dark | Down | 43.6 | 100.4 | Up | 06:05:47 - 06:35:47 | 10841 |
| Chiloquin | 06:20:52 | -55.8 | Dark | Down | 43.0 | 99.0 | Up | 06:05:52 - 06:35:52 | 10814 |
| Paisley | 06:20:47 | -56.3 | Dark | Down | 43.9 | 100.1 | Up | 06:05:47 - 06:35:47 | 10783 |
| Klamath Falls | 06:20:53 | -56.1 | Dark | Down | 43.1 | 98.7 | Up | 06:05:53 - 06:35:53 | 10782 |
| Tulelake | 06:20:53 | -56.4 | Dark | Down | 43.4 | 98.7 | Up | 06:05:53 - 06:35:53 | 10750 |
| Lakeview | 06:20:50 | -56.8 | Dark | Down | 44.1 | 99.8 | Up | 06:05:50 - 06:35:50 | 10734 |
| Cedarville | 06:20:52 | -57.4 | Dark | Down | 44.4 | 99.3 | Up | 06:05:52 - 06:35:52 | 10672 |
| Fall River/Burney | 06:20:56 | -57.1 | Dark | Down | 43.6 | 97.9 | Up | 06:05:56 - 06:35:56 | 10670 |
| Susanville | 06:20:56 | -58.0 | Dark | Down | 44.2 | 97.9 | Up | 06:05:56 - 06:35:56 | 10591 |
| Greenville | 06:20:58 | -58.0 | Dark | Down | 44.0 | 97.4 | Up | 06:05:58 - 06:35:58 | 10577 |
| Gimple | 06:20:58 | -58.1 | Dark | Down | 44.1 | 97.5 | Up | 06:05:58 - 06:35:58 | 10574 |
| Quincy | 06:20:58 | -58.2 | Dark | Down | 44.1 | 97.2 | Up | 06:05:58 - 06:35:58 | 10559 |
| Portola | 06:20:58 | -58.5 | Dark | Down | 44.4 | 97.5 | Up | 06:05:58 - 06:35:58 | 10533 |
| Reno | 06:20:57 | -59.1 | Dark | Down | 45.0 | 97.7 | Up | 06:05:57 - 06:35:57 | 10488 |
| Carson City | 06:20:58 | -59.3 | Dark | Down | 45.0 | 97.3 | Up | 06:05:58 - 06:35:58 | 10456 |
| Gardnerville | 06:20:59 | -59.5 | Dark | Down | 45.1 | 97.1 | Up | 06:05:59 - 06:35:59 | 10433 |
| Yerington | 06:20:57 | -59.8 | Dark | Down | 45.5 | 97.6 | Up | 06:05:57 - 06:35:57 | 10418 |
| Hawthorne | 06:20:58 | -60.4 | Dark | Down | 46.0 | 97.5 | Up | 06:05:58 - 06:35:58 | 10359 |
| Lee Vining | 06:21:00 | -60.6 | Dark | Down | 45.7 | 96.6 | Up | 06:06:00 - 06:36:00 | 10325 |
| Tonopah | 06:20:55 | -61.5 | Dark | Down | 47.2 | 98.1 | Up | 06:05:55 - 06:35:55 | 10271 |
| Bishop | 06:21:00 | -61.4 | Dark | Down | 46.4 | 96.5 | Up | 06:06:00 - 06:36:00 | 10247 |
| Lone Pine | 06:21:01 | -62.2 | Dark | Down | 46.7 | 95.9 | Up | 06:06:01 - 06:36:01 | 10167 |
| Beatty | 06:20:57 | -62.6 | Dark | Down | 47.7 | 97.1 | Up | 06:05:57 - 06:35:57 | 10151 |
| CPSLO | 06:21:11 | -61.6 | Dark | Down | 44.7 | 92.9 | Up | 06:06:11 - 06:36:11 | 10136 |
| Niwot | 06:20:16 | -63.7 | Dark | Down | 55.6 | 110.9 | Up | 06:05:16 - 06:35:16 | 10093 |
| Indian Springs | 06:20:55 | -63.4 | Dark | Down | 48.6 | 97.5 | Up | 06:05:55 - 06:35:55 | 10085 |
| Henderson | 06:20:54 | -64.2 | Dark | Down | 49.2 | 97.4 | Up | 06:05:54 - 06:35:54 | 10013 |
| Searchlight/Boulder City | 06:20:56 | -64.7 | Dark | Down | 49.3 | 96.8 | Up | 06:05:56 - 06:35:56 | 9957 |
| Wildwood | 06:21:10 | -63.7 | Dark | Down | 46.5 | 93.0 | Up | 06:06:10 - 06:36:10 | 9954 |
| Laughlin/Bullhead City | 06:20:57 | -65.1 | Dark | Down | 49.7 | 96.7 | Up | 06:05:57 - 06:35:57 | 9918 |
| Patrick | 06:20:53 | -65.2 | Dark | Down | 50.2 | 97.5 | Up | 06:05:53 - 06:35:53 | 9918 |
| Kingman/Dolan Springs | 06:20:55 | -65.3 | Dark | Down | 50.1 | 97.1 | Up | 06:05:55 - 06:35:55 | 9903 |
| Mohave Valley | 06:20:56 | -65.3 | Dark | Down | 49.7 | 96.4 | Up | 06:05:56 - 06:35:56 | 9892 |
| DCO | 06:20:52 | -65.8 | Dark | Down | 50.8 | 97.6 | Up | 06:05:52 - 06:35:52 | 9865 |
| Idyllwild | 06:21:05 | -65.1 | Dark | Down | 48.1 | 93.7 | Up | 06:06:05 - 06:36:05 | 9855 |
| Lake Havasu City | 06:20:58 | -65.7 | Dark | Down | 49.9 | 96.1 | Up | 06:05:58 - 06:35:58 | 9846 |
| Parker | 06:20:58 | -66.0 | Dark | Down | 50.0 | 95.7 | Up | 06:05:58 - 06:35:58 | 9812 |
| Blythe | 06:21:00 | -66.3 | Dark | Down | 49.8 | 94.9 | Up | 06:06:00 - 06:36:00 | 9772 |
| Calipatria | 06:21:05 | -66.2 | Dark | Down | 49.1 | 93.7 | Up | 06:06:05 - 06:36:05 | 9757 |
| Yuma | 06:21:03 | -67.0 | Dark | Down | 49.9 | 93.8 | Up | 06:06:03 - 06:36:03 | 9685 |
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 04UD10, (2019/11/01 06:18UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 6.84 157 44Zet Per 03:54:07.9 +31:53:01 2.8 11.25 149 56 Tau 04:19:36.8 +21:46:23 5.3 0.38 155 PPM 093402 04:18:14.6 +22:48:24 7.9 0.72 155 PPM 093437 04:20:47.1 +22:13:52 9.8 0.30 155 PPM 093413 04:18:59.9 +22:08:27 11.4 0.12 155 04UD10 04:19:31.5 +22:09:20 16.5 155 Positions are for J2000
Event circumstances last updated at 2018/11/28 22:09:04 UT
Marc W. Buie, Southwest Research Institute