Event between 00YV1 and star TYC21293-01772-1 with event index number of 76963
Geocentric closest approach at 2017/08/25 08:51:01 UTC
J2000 position of star is 04:57:00.5 +21:55:58
Equinox of date position of star is 04:58:02.9 +21:57:31
Stellar brightness V=10.9,
use SENSEUP=4
Star is 122 degrees from the moon.
Moon is 15% illuminated.
TNO apparent brightness V=23.9
[RECON map]
TNO is 44.9 AU from the Sun
and 45.1 AU from the Earth.
The TNO is moving 10.8
km/sec on the sky relative to the star, or,
1.2 arcsec/hr.
The 1-sigma error in the time of the event is 1236 seconds.
The 1-sigma cross-track error in the shadow position is
5818 km.
The sky-plane scale is
32734.6 km/arcsec.
The TNO has an absolute magnitude Hv=7.2
Diameter=218.8 km assuming a 5% albedo -- 20.3 sec chord
Diameter=89.3 km assuming a 30% albedo -- 8.3 sec chord
Dynamical classification is CLASSICAL
Star training set for 00YV1, (2017/08/25 08:51UT) Object RA Dec mag sep mel Aldebaran 04:36:56.1 +16:32:36 0.8 7.36 128 Alnath 05:27:24.5 +28:37:15 1.6 9.40 114 102Iot Tau 05:04:09.1 +21:36:49 4.6 1.45 121 PPM 093881 04:55:52.8 +22:10:25 8.5 0.55 122 PPM 093908 04:57:36.8 +21:35:12 9.0 0.39 122 PPM 093924 04:58:54.3 +21:51:05 10.6 0.22 122 00YV1 04:58:03.9 +21:57:33 10.9 122 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
0.7 sigma about the mid-time.
The median site spacing is 0.0 km
RECON observability=0.0 and success probability=0.0%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Oroville | 08:45:12 | -29.6 | Dark | Down | 17.3 | 76.2 | Really Low | 08:30:12 - 09:00:12 | 11093 |
Tonasket | 08:45:12 | -29.8 | Dark | Down | 17.2 | 76.1 | Really Low | 08:30:12 - 09:00:12 | 11079 |
Okanogan | 08:45:08 | -30.2 | Dark | Down | 17.0 | 75.9 | Really Low | 08:30:08 - 09:00:08 | 11062 |
Brewster | 08:45:08 | -30.5 | Dark | Down | 16.8 | 75.7 | Really Low | 08:30:08 - 09:00:08 | 11051 |
Manson/Chelan | 08:45:05 | -30.7 | Dark | Down | 16.5 | 75.4 | Really Low | 08:30:05 - 09:00:05 | 11048 |
Entiat | 08:45:04 | -31.0 | Dark | Down | 16.4 | 75.2 | Really Low | 08:30:04 - 09:00:04 | 11036 |
Wenatchee | 08:45:02 | -31.2 | Dark | Down | 16.3 | 75.1 | Really Low | 08:30:02 - 09:00:02 | 11023 |
Ellensburg | 08:44:58 | -31.7 | Dark | Down | 16.0 | 74.8 | Really Low | 08:29:58 - 08:59:58 | 11003 |
Yakima | 08:44:56 | -32.1 | Dark | Down | 15.9 | 74.7 | Really Low | 08:29:56 - 08:59:56 | 10978 |
Toppenish/White Swan | 08:44:52 | -32.2 | Dark | Down | 15.9 | 74.7 | Really Low | 08:29:52 - 08:59:52 | 10959 |
Goldendale | 08:44:50 | -32.8 | Dark | Down | 15.5 | 74.3 | Really Low | 08:29:50 - 08:59:50 | 10935 |
The Dalles | 08:44:47 | -33.1 | Dark | Down | 15.2 | 74.0 | Really Low | 08:29:47 - 08:59:47 | 10931 |
Pasco | 08:44:53 | -32.2 | Dark | Down | 16.8 | 75.6 | Really Low | 08:29:53 - 08:59:53 | 10914 |
Maupin | 08:44:45 | -33.5 | Dark | Down | 15.1 | 73.9 | Really Low | 08:29:45 - 08:59:45 | 10901 |
George/Umatilla | 08:44:51 | -32.5 | Dark | Down | 16.5 | 75.3 | Really Low | 08:29:51 - 08:59:51 | 10899 |
PNWRO | 08:44:50 | -32.4 | Dark | Down | 16.8 | 75.6 | Really Low | 08:29:50 - 08:59:50 | 10891 |
Madras/Culver | 08:44:40 | -34.1 | Dark | Down | 14.9 | 73.8 | Really Low | 08:29:40 - 08:59:40 | 10866 |
Sisters | 08:44:40 | -34.5 | Dark | Down | 14.5 | 73.4 | Really Low | 08:29:40 - 08:59:40 | 10857 |
Redmond | 08:44:38 | -34.4 | Dark | Down | 14.8 | 73.6 | Really Low | 08:29:38 - 08:59:38 | 10844 |
Bend | 08:44:34 | -34.7 | Dark | Down | 14.6 | 73.5 | Really Low | 08:29:34 - 08:59:34 | 10834 |
Oregon Observatory | 08:44:33 | -34.8 | Dark | Down | 14.5 | 73.3 | Really Low | 08:29:33 - 08:59:33 | 10826 |
La Pine/Gilchrist | 08:44:33 | -35.1 | Dark | Down | 14.4 | 73.2 | Really Low | 08:29:33 - 08:59:33 | 10814 |
North Lake | 08:44:31 | -35.4 | Dark | Down | 14.7 | 73.5 | Really Low | 08:29:31 - 08:59:31 | 10767 |
Chiloquin | 08:44:26 | -36.2 | Dark | Down | 13.8 | 72.7 | Really Low | 08:29:26 - 08:59:26 | 10749 |
Klamath Falls | 08:44:22 | -36.5 | Dark | Down | 13.7 | 72.7 | Really Low | 08:29:22 - 08:59:22 | 10723 |
Paisley | 08:44:24 | -35.9 | Dark | Down | 14.8 | 73.6 | Really Low | 08:29:24 - 08:59:24 | 10718 |
Tulelake | 08:44:19 | -36.7 | Dark | Down | 13.9 | 72.8 | Really Low | 08:29:19 - 08:59:19 | 10695 |
Lakeview | 08:44:22 | -36.3 | Dark | Down | 14.7 | 73.6 | Really Low | 08:29:22 - 08:59:22 | 10676 |
Fall River/Burney | 08:44:15 | -37.6 | Dark | Down | 13.6 | 72.6 | Really Low | 08:29:15 - 08:59:15 | 10628 |
Cedarville | 08:44:17 | -37.0 | Dark | Down | 14.7 | 73.5 | Really Low | 08:29:17 - 08:59:17 | 10625 |
Susanville | 08:44:09 | -38.1 | Dark | Down | 14.0 | 72.9 | Really Low | 08:29:09 - 08:59:09 | 10560 |
Greenville | 08:44:07 | -38.5 | Dark | Down | 13.7 | 72.7 | Really Low | 08:29:07 - 08:59:07 | 10549 |
Gimple | 08:44:08 | -38.4 | Dark | Down | 13.7 | 72.7 | Really Low | 08:29:08 - 08:59:08 | 10546 |
Quincy | 08:44:06 | -38.7 | Dark | Down | 13.6 | 72.6 | Really Low | 08:29:06 - 08:59:06 | 10534 |
Portola | 08:44:05 | -38.7 | Dark | Down | 13.9 | 72.9 | Really Low | 08:29:05 - 08:59:05 | 10510 |
Reno | 08:44:03 | -38.8 | Dark | Down | 14.3 | 73.2 | Really Low | 08:29:03 - 08:59:03 | 10470 |
Carson City | 08:44:00 | -39.2 | Dark | Down | 14.2 | 73.1 | Really Low | 08:29:00 - 08:59:00 | 10443 |
Gardnerville | 08:43:58 | -39.4 | Dark | Down | 14.2 | 73.1 | Really Low | 08:28:58 - 08:58:58 | 10423 |
Yerington | 08:44:00 | -39.3 | Dark | Down | 14.6 | 73.4 | Really Low | 08:29:00 - 08:59:00 | 10408 |
Hawthorne | 08:43:55 | -39.6 | Dark | Down | 14.9 | 73.6 | Really Low | 08:28:55 - 08:58:55 | 10355 |
Lee Vining | 08:43:51 | -40.3 | Dark | Down | 14.3 | 73.2 | Really Low | 08:28:51 - 08:58:51 | 10329 |
Tonopah | 08:43:54 | -39.8 | Dark | Down | 15.8 | 74.3 | Really Low | 08:28:54 - 08:58:54 | 10274 |
Bishop | 08:43:49 | -40.7 | Dark | Down | 14.7 | 73.4 | Really Low | 08:28:49 - 08:58:49 | 10259 |
Lone Pine | 08:43:43 | -41.4 | Dark | Down | 14.7 | 73.4 | Really Low | 08:28:43 - 08:58:43 | 10189 |
CPSLO | 08:43:36 | -43.1 | Dark | Down | 12.3 | 71.7 | Really Low | 08:28:36 - 08:58:36 | 10175 |
Beatty | 08:43:46 | -40.8 | Dark | Down | 15.8 | 74.2 | Really Low | 08:28:46 - 08:58:46 | 10168 |
Indian Springs | 08:43:44 | -40.8 | Dark | Down | 16.6 | 74.7 | Really Low | 08:28:44 - 08:58:44 | 10106 |
Henderson | 08:43:40 | -41.1 | Dark | Down | 17.0 | 74.9 | Really Low | 08:28:40 - 08:58:40 | 10040 |
Niwot | 08:44:20 | -34.1 | Dark | Down | 25.5 | 82.0 | Low | 08:29:20 - 08:59:20 | 10037 |
Wildwood | 08:43:29 | -43.9 | Dark | Down | 13.5 | 72.5 | Really Low | 08:28:29 - 08:58:29 | 10009 |
Searchlight/Boulder City | 08:43:36 | -41.6 | Dark | Down | 16.8 | 74.7 | Really Low | 08:28:36 - 08:58:36 | 9992 |
Laughlin/Bullhead City | 08:43:34 | -41.8 | Dark | Down | 17.0 | 74.8 | Really Low | 08:28:34 - 08:58:34 | 9956 |
Patrick | 08:43:38 | -41.4 | Dark | Down | 17.7 | 75.2 | Really Low | 08:28:38 - 08:58:38 | 9951 |
Kingman/Dolan Springs | 08:43:36 | -41.6 | Dark | Down | 17.4 | 75.1 | Really Low | 08:28:36 - 08:58:36 | 9940 |
Mohave Valley | 08:43:35 | -42.1 | Dark | Down | 17.0 | 74.7 | Really Low | 08:28:35 - 08:58:35 | 9933 |
Idyllwild | 08:43:24 | -43.8 | Dark | Down | 14.9 | 73.3 | Really Low | 08:28:24 - 08:58:24 | 9914 |
DCO | 08:43:36 | -41.4 | Dark | Down | 18.1 | 75.5 | Really Low | 08:28:36 - 08:58:36 | 9902 |
Lake Havasu City | 08:43:32 | -42.4 | Dark | Down | 17.0 | 74.7 | Really Low | 08:28:32 - 08:58:32 | 9892 |
Parker | 08:43:29 | -42.7 | Dark | Down | 17.0 | 74.6 | Really Low | 08:28:29 - 08:58:29 | 9862 |
Blythe | 08:43:25 | -43.3 | Dark | Down | 16.6 | 74.3 | Really Low | 08:28:25 - 08:58:25 | 9829 |
Calipatria | 08:43:21 | -44.0 | Dark | Down | 15.7 | 73.7 | Really Low | 08:28:21 - 08:58:21 | 9822 |
Yuma | 08:43:19 | -44.2 | Dark | Down | 16.3 | 74.0 | Really Low | 08:28:19 - 08:58:19 | 9754 |
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 00YV1, (2017/08/25 08:51UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 7.36 128 Alnath 05:26:17.5 +28:36:24 1.6 9.40 114 102Iot Tau 05:03:05.8 +21:35:23 4.6 1.45 121 PPM 093881 04:54:49.3 +22:08:47 8.5 0.55 122 PPM 093908 04:56:33.6 +21:33:36 9.0 0.39 122 PPM 093924 04:57:50.9 +21:49:31 10.6 0.22 122 00YV1 04:57:00.5 +21:55:58 10.9 122 Positions are for J2000
Event circumstances last updated at 2017/05/13 17:32:30 UT
Marc W. Buie, Southwest Research Institute