Event between 14YY49 and star UC4-457-032047 with event index number of 321876
Geocentric closest approach at 2020/02/10 06:03:52 UTC
J2000 position of star is 07:16:39.0 +01:20:50
Equinox of date position of star is 07:17:39.4 +01:18:41
Stellar brightness R=16.5,
use SENSEUP=128
Star is 49 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 19.6 AU from the Sun
and 18.8 AU from the Earth.
The TNO is moving 20.3
km/sec on the sky relative to the star, or,
5.4 arcsec/hr.
The 1-sigma error in the time of the event is 62 seconds.
The 1-sigma cross-track error in the shadow position is
779 km.
The sky-plane scale is
13599.3 km/arcsec.
The TNO has an absolute magnitude Hv=10.2
Diameter=55.2 km assuming a 5% albedo -- 2.7 sec chord
Diameter=22.5 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 14YY49, (2020/02/10 06:04UT) Object RA Dec mag sep mel Sirius 06:46:02.0 -16:44:41 -1.5 19.67 63 Alhena 06:38:52.4 +16:22:50 1.9 17.85 56 PPM 152385 07:20:25.4 +02:42:08 5.9 1.55 48 PPM 152289 07:17:39.1 +01:50:28 7.6 0.53 49 PPM 152273 07:17:11.1 +01:24:00 9.1 0.16 50 PPM 152302 07:17:55.8 +01:26:01 10.8 0.14 49 14YY49 07:17:41.5 +01:18:36 16.5 49 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 12.3 km
RECON observability=1.0 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) |
Kelowna | 06:05:20 | -46.3 | Dark | Up | 41.4 | 183.4 | Up | 05:59:39 - 06:11:01 | 7818 |
Summerland | 06:05:20 | -46.4 | Dark | Up | 41.7 | 183.1 | Up | 05:59:39 - 06:11:01 | 7790 |
Penticton | 06:05:20 | -46.5 | Dark | Up | 41.8 | 183.2 | Up | 05:59:39 - 06:11:01 | 7789 |
Okanagan Falls | 06:05:19 | -46.6 | Dark | Up | 42.0 | 183.2 | Up | 05:59:38 - 06:11:00 | 7776 |
Oliver | 06:05:19 | -46.7 | Dark | Up | 42.1 | 183.2 | Up | 05:59:38 - 06:11:00 | 7766 |
Anarchist Mountain Observatory | 06:05:19 | -46.9 | Dark | Up | 42.3 | 183.5 | Up | 05:59:38 - 06:11:00 | 7760 |
Oroville | 06:05:19 | -46.9 | Dark | Up | 42.4 | 183.4 | Up | 05:59:38 - 06:11:00 | 7753 |
Tonasket | 06:05:18 | -47.1 | Dark | Up | 42.6 | 183.4 | Up | 05:59:37 - 06:10:59 | 7738 |
Okanogan | 06:05:18 | -47.2 | Dark | Up | 42.9 | 183.2 | Up | 05:59:37 - 06:10:59 | 7710 |
Brewster | 06:05:19 | -47.3 | Dark | Up | 43.2 | 183.0 | Up | 05:59:38 - 06:11:00 | 7686 |
Manson/Chelan | 06:05:18 | -47.2 | Dark | Up | 43.4 | 182.5 | Up | 05:59:37 - 06:10:59 | 7660 |
Entiat | 06:05:18 | -47.3 | Dark | Up | 43.7 | 182.4 | Up | 05:59:37 - 06:10:59 | 7643 |
Wenatchee | 06:05:19 | -47.5 | Dark | Up | 43.9 | 182.3 | Up | 05:59:38 - 06:11:00 | 7622 |
Niwot | 06:04:10 | -60.1 | Dark | Up | 48.4 | 205.4 | Up | 05:58:29 - 06:09:51 | 7615 |
SwRI | 06:04:11 | -60.1 | Dark | Up | 48.6 | 205.3 | Up | 05:58:30 - 06:09:52 | 7604 |
Ellensburg | 06:05:19 | -47.6 | Dark | Up | 44.3 | 182.0 | Up | 05:59:38 - 06:11:00 | 7586 |
Pasco | 06:05:13 | -48.8 | Dark | Up | 45.0 | 184.0 | Up | 05:59:32 - 06:10:54 | 7579 |
PNWRO | 06:05:11 | -49.1 | Dark | Up | 45.3 | 184.3 | Up | 05:59:30 - 06:10:52 | 7569 |
Yakima | 06:05:19 | -47.8 | Dark | Up | 44.7 | 182.0 | Up | 05:59:38 - 06:11:00 | 7557 |
George/Umatilla | 06:05:12 | -48.9 | Dark | Up | 45.4 | 183.7 | Up | 05:59:31 - 06:10:53 | 7549 |
Toppenish/White Swan | 06:05:16 | -48.1 | Dark | Up | 45.0 | 182.2 | Up | 05:59:35 - 06:10:57 | 7547 |
Goldendale | 06:05:18 | -48.2 | Dark | Up | 45.5 | 181.6 | Up | 05:59:37 - 06:10:59 | 7494 |
The Dalles | 06:05:18 | -48.1 | Dark | Up | 45.7 | 181.1 | Up | 05:59:37 - 06:10:59 | 7466 |
Maupin | 06:05:17 | -48.4 | Dark | Up | 46.2 | 181.3 | Up | 05:59:36 - 06:10:58 | 7439 |
Madras/Culver | 06:05:17 | -48.7 | Dark | Up | 46.7 | 181.2 | Up | 05:59:36 - 06:10:58 | 7398 |
Redmond | 06:05:17 | -48.9 | Dark | Up | 47.1 | 181.1 | Up | 05:59:36 - 06:10:58 | 7370 |
Sisters | 06:05:17 | -48.7 | Dark | Up | 47.0 | 180.6 | Up | 05:59:36 - 06:10:58 | 7359 |
Bend | 06:05:16 | -48.9 | Dark | Up | 47.3 | 180.9 | Up | 05:59:35 - 06:10:57 | 7350 |
Oregon Observatory | 06:05:18 | -49.0 | Dark | Up | 47.5 | 180.8 | Up | 05:59:37 - 06:10:59 | 7332 |
La Pine/Gilchrist | 06:05:17 | -49.1 | Dark | Up | 47.7 | 180.7 | Up | 05:59:36 - 06:10:58 | 7315 |
North Lake | 06:05:14 | -49.7 | Dark | Up | 48.1 | 181.6 | Up | 05:59:33 - 06:10:55 | 7303 |
Paisley | 06:05:12 | -50.2 | Dark | Up | 48.6 | 182.1 | Up | 05:59:31 - 06:10:53 | 7274 |
Lakeview | 06:05:11 | -50.6 | Dark | Up | 49.1 | 182.4 | Up | 05:59:30 - 06:10:52 | 7242 |
Chiloquin | 06:05:16 | -49.5 | Dark | Up | 48.8 | 180.1 | Up | 05:59:35 - 06:10:57 | 7219 |
Cedarville | 06:05:08 | -51.1 | Dark | Up | 49.8 | 182.7 | Up | 05:59:27 - 06:10:49 | 7198 |
Klamath Falls | 06:05:15 | -49.7 | Dark | Up | 49.1 | 180.3 | Up | 05:59:34 - 06:10:56 | 7196 |
Tulelake | 06:05:15 | -50.0 | Dark | Up | 49.4 | 180.7 | Up | 05:59:34 - 06:10:56 | 7186 |
Fall River/Burney | 06:05:12 | -50.6 | Dark | Up | 50.3 | 180.8 | Up | 05:59:31 - 06:10:53 | 7118 |
Susanville | 06:05:07 | -51.4 | Dark | Up | 50.9 | 182.0 | Up | 05:59:26 - 06:10:48 | 7095 |
Gimple | 06:05:09 | -51.4 | Dark | Up | 51.2 | 181.7 | Up | 05:59:28 - 06:10:50 | 7066 |
Greenville | 06:05:08 | -51.3 | Dark | Up | 51.2 | 181.5 | Up | 05:59:27 - 06:10:49 | 7063 |
Reno | 06:05:03 | -52.4 | Dark | Up | 51.8 | 183.4 | Up | 05:59:22 - 06:10:44 | 7057 |
Portola | 06:05:06 | -51.8 | Dark | Up | 51.5 | 182.3 | Up | 05:59:25 - 06:10:47 | 7055 |
Quincy | 06:05:08 | -51.4 | Dark | Up | 51.4 | 181.6 | Up | 05:59:27 - 06:10:49 | 7048 |
Yerington | 06:04:59 | -53.1 | Dark | Up | 52.3 | 184.4 | Up | 05:59:18 - 06:10:40 | 7037 |
Tonopah | 06:04:51 | -54.8 | Dark | Up | 53.0 | 187.7 | Up | 05:59:10 - 06:10:32 | 7034 |
Carson City | 06:05:03 | -52.6 | Dark | Up | 52.1 | 183.4 | Up | 05:59:22 - 06:10:44 | 7029 |
Hawthorne | 06:04:56 | -53.7 | Dark | Up | 52.7 | 185.3 | Up | 05:59:15 - 06:10:37 | 7019 |
Gardnerville | 06:05:01 | -52.7 | Dark | Up | 52.4 | 183.5 | Up | 05:59:20 - 06:10:42 | 7012 |
Indian Springs | 06:04:40 | -56.7 | Dark | Up | 54.3 | 190.5 | Up | 05:58:59 - 06:10:21 | 6973 |
Beatty | 06:04:45 | -55.8 | Dark | Up | 54.1 | 188.7 | Up | 05:59:04 - 06:10:26 | 6959 |
Lee Vining | 06:04:57 | -53.7 | Dark | Up | 53.3 | 184.6 | Up | 05:59:16 - 06:10:38 | 6957 |
Henderson | 06:04:36 | -57.4 | Dark | Up | 54.7 | 191.8 | Up | 05:58:55 - 06:10:17 | 6956 |
DCO | 06:04:27 | -59.1 | Dark | Up | 55.3 | 195.2 | Up | 05:58:46 - 06:10:08 | 6950 |
Patrick | 06:04:31 | -58.5 | Dark | Up | 55.2 | 193.9 | Up | 05:58:50 - 06:10:12 | 6947 |
Bishop | 06:04:53 | -54.4 | Dark | Up | 53.8 | 185.9 | Up | 05:59:12 - 06:10:34 | 6935 |
Kingman/Dolan Springs | 06:04:31 | -58.5 | Dark | Up | 55.4 | 193.7 | Up | 05:58:50 - 06:10:12 | 6922 |
Searchlight/Boulder City | 06:04:36 | -57.8 | Dark | Up | 55.3 | 192.1 | Up | 05:58:55 - 06:10:17 | 6912 |
Laughlin/Bullhead City | 06:04:33 | -58.2 | Dark | Up | 55.5 | 192.8 | Up | 05:58:52 - 06:10:14 | 6901 |
Lone Pine | 06:04:50 | -55.1 | Dark | Up | 54.6 | 186.5 | Up | 05:59:09 - 06:10:31 | 6886 |
Mohave Valley | 06:04:33 | -58.3 | Dark | Up | 55.8 | 192.9 | Up | 05:58:52 - 06:10:14 | 6879 |
Lake Havasu City | 06:04:31 | -58.7 | Dark | Up | 56.1 | 193.4 | Up | 05:58:50 - 06:10:12 | 6856 |
Parker | 06:04:31 | -58.9 | Dark | Up | 56.5 | 193.6 | Up | 05:58:50 - 06:10:12 | 6829 |
Blythe | 06:04:30 | -59.0 | Dark | Up | 57.0 | 193.3 | Up | 05:58:49 - 06:10:11 | 6774 |
Idyllwild | 06:04:39 | -57.4 | Dark | Up | 57.3 | 189.4 | Up | 05:58:58 - 06:10:20 | 6702 |
Calipatria | 06:04:32 | -58.6 | Dark | Up | 57.7 | 191.7 | Up | 05:58:51 - 06:10:13 | 6697 |
Yuma | 06:04:28 | -59.4 | Dark | Up | 57.9 | 193.5 | Up | 05:58:47 - 06:10:09 | 6696 |
CPSLO | 06:04:58 | -53.9 | Dark | Up | 56.0 | 182.2 | Up | 05:59:17 - 06:10:39 | 6683 |
Wildwood | 06:04:47 | -55.9 | Dark | Up | 57.1 | 186.0 | Up | 05:59:06 - 06:10:28 | 6660 |
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 14YY49, (2020/02/10 06:04UT) Object RA Dec mag sep mel Sirius 06:45:08.1 -16:43:21 -1.5 19.67 63 Alhena 06:37:42.8 +16:23:57 1.9 17.85 56 PPM 152385 07:19:22.4 +02:44:26 5.9 1.55 48 PPM 152289 07:16:36.5 +01:52:41 7.6 0.53 49 PPM 152273 07:16:08.6 +01:26:12 9.1 0.16 50 PPM 152302 07:16:53.3 +01:28:15 10.8 0.14 49 14YY49 07:16:39.0 +01:20:50 16.5 49 Positions are for J2000
Event circumstances last updated at 2019/06/07 23:15:23 UT
Marc W. Buie, Southwest Research Institute