Event between 14YY49 and star UC4-458-031896 with event index number of 161129
Geocentric closest approach at 2018/11/06 07:21:26 UTC
J2000 position of star is 07:11:28.7 +01:33:59
Equinox of date position of star is 07:12:25.9 +01:32:05
Stellar brightness R=16.0,
use SENSEUP=128
Star is 99 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=23.0
[RECON map]
TNO is 18.5 AU from the Sun
and 18.1 AU from the Earth.
The TNO is moving 10.8
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 132 seconds.
The 1-sigma cross-track error in the shadow position is
2019 km.
The sky-plane scale is
13109.2 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=58.3 km assuming a 5% albedo -- 5.4 sec chord
Diameter=23.8 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 14YY49, (2018/11/06 07:21UT) Object RA Dec mag sep mel Sirius 06:45:58.7 -16:44:35 -1.5 19.41 103 Alhena 06:38:48.0 +16:22:54 1.9 17.00 108 21 Mon 07:12:21.4 -00:20:05 5.5 1.87 99 PPM 152051 07:10:28.5 +01:53:19 7.4 0.61 99 PPM 152117 07:12:20.4 +01:36:21 9.2 0.08 99 14YY49 07:12:27.3 +01:32:02 16.0 99 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 4.6 km
RECON observability=0.2 and success probability=0.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Chiloquin | 07:21:02 | -62.7 | Dark | Down | 12.8 | 99.8 | Really Low | 07:09:34 - 07:32:31 | 8585 |
| Klamath Falls | 07:21:09 | -63.0 | Dark | Down | 12.9 | 99.8 | Really Low | 07:09:41 - 07:32:38 | 8584 |
| Tulelake | 07:21:08 | -63.3 | Dark | Down | 13.2 | 100.0 | Really Low | 07:09:39 - 07:32:36 | 8578 |
| La Pine/Gilchrist | 07:20:51 | -61.6 | Dark | Down | 12.8 | 100.3 | Really Low | 07:09:22 - 07:32:19 | 8577 |
| Sisters | 07:20:46 | -61.0 | Dark | Down | 12.6 | 100.4 | Really Low | 07:09:18 - 07:32:15 | 8576 |
| Fall River/Burney | 07:21:18 | -64.2 | Dark | Down | 13.4 | 99.8 | Really Low | 07:09:49 - 07:32:46 | 8575 |
| Oregon Observatory | 07:20:50 | -61.4 | Dark | Down | 12.8 | 100.4 | Really Low | 07:09:21 - 07:32:18 | 8575 |
| Bend | 07:20:46 | -61.3 | Dark | Down | 12.9 | 100.5 | Really Low | 07:09:18 - 07:32:15 | 8572 |
| Redmond | 07:20:48 | -61.1 | Dark | Down | 12.9 | 100.6 | Really Low | 07:09:20 - 07:32:17 | 8569 |
| North Lake | 07:20:54 | -62.2 | Dark | Down | 13.3 | 100.6 | Really Low | 07:09:26 - 07:32:23 | 8566 |
| Madras/Culver | 07:20:42 | -60.8 | Dark | Down | 12.9 | 100.7 | Really Low | 07:09:14 - 07:32:11 | 8566 |
| Greenville | 07:21:28 | -65.2 | Dark | Down | 14.0 | 99.9 | Really Low | 07:09:59 - 07:32:56 | 8564 |
| Maupin | 07:20:38 | -60.2 | Dark | Down | 12.8 | 100.9 | Really Low | 07:09:10 - 07:32:07 | 8563 |
| Quincy | 07:21:32 | -65.4 | Dark | Down | 14.0 | 99.9 | Really Low | 07:10:03 - 07:33:00 | 8563 |
| The Dalles | 07:20:34 | -59.8 | Dark | Down | 12.6 | 100.9 | Really Low | 07:09:05 - 07:32:02 | 8562 |
| Gimple | 07:21:28 | -65.2 | Dark | Down | 14.0 | 100.0 | Really Low | 07:10:00 - 07:32:57 | 8562 |
| Paisley | 07:21:00 | -62.8 | Dark | Down | 13.7 | 100.8 | Really Low | 07:09:32 - 07:32:29 | 8560 |
| Susanville | 07:21:25 | -65.0 | Dark | Down | 14.1 | 100.2 | Really Low | 07:09:56 - 07:32:53 | 8559 |
| Lakeview | 07:21:07 | -63.3 | Dark | Down | 14.0 | 100.8 | Really Low | 07:09:39 - 07:32:36 | 8556 |
| Goldendale | 07:20:31 | -59.7 | Dark | Down | 12.8 | 101.2 | Really Low | 07:09:03 - 07:32:00 | 8554 |
| Portola | 07:21:30 | -65.6 | Dark | Down | 14.4 | 100.2 | Really Low | 07:10:02 - 07:32:59 | 8552 |
| Cedarville | 07:21:13 | -64.0 | Dark | Down | 14.2 | 100.8 | Really Low | 07:09:44 - 07:32:41 | 8552 |
| Yakima | 07:20:22 | -58.9 | Dark | Down | 12.8 | 101.5 | Really Low | 07:08:53 - 07:31:50 | 8544 |
| Toppenish/White Swan | 07:20:23 | -59.2 | Dark | Down | 13.0 | 101.6 | Really Low | 07:08:55 - 07:31:52 | 8543 |
| Ellensburg | 07:20:21 | -58.5 | Dark | Down | 12.8 | 101.6 | Really Low | 07:08:53 - 07:31:50 | 8540 |
| Reno | 07:21:34 | -66.0 | Dark | Down | 14.9 | 100.6 | Really Low | 07:10:05 - 07:33:02 | 8537 |
| Carson City | 07:21:37 | -66.3 | Dark | Down | 15.0 | 100.5 | Really Low | 07:10:09 - 07:33:06 | 8535 |
| Wenatchee | 07:20:12 | -58.2 | Dark | Down | 12.8 | 101.9 | Really Low | 07:08:43 - 07:31:40 | 8532 |
| Gardnerville | 07:21:39 | -66.6 | Dark | Down | 15.1 | 100.5 | Really Low | 07:10:10 - 07:33:07 | 8532 |
| Entiat | 07:20:13 | -57.9 | Dark | Down | 12.8 | 102.0 | Really Low | 07:08:44 - 07:31:41 | 8528 |
| George/Umatilla | 07:20:26 | -59.8 | Dark | Down | 13.8 | 102.3 | Really Low | 07:08:57 - 07:31:54 | 8526 |
| Manson/Chelan | 07:20:08 | -57.7 | Dark | Down | 12.8 | 102.1 | Really Low | 07:08:39 - 07:31:36 | 8525 |
| Yerington | 07:21:37 | -66.6 | Dark | Down | 15.6 | 100.9 | Really Low | 07:10:09 - 07:33:06 | 8520 |
| Pasco | 07:20:24 | -59.5 | Dark | Down | 13.9 | 102.6 | Really Low | 07:08:56 - 07:31:53 | 8519 |
| PNWRO | 07:20:25 | -59.7 | Dark | Down | 14.1 | 102.7 | Really Low | 07:08:57 - 07:31:54 | 8516 |
| Brewster | 07:20:04 | -57.6 | Dark | Down | 13.0 | 102.4 | Really Low | 07:08:36 - 07:31:33 | 8516 |
| CPSLO | 07:22:18 | -70.0 | Dark | Down | 15.1 | 99.0 | Really Low | 07:10:49 - 07:33:46 | 8515 |
| Lee Vining | 07:21:49 | -67.7 | Dark | Down | 15.8 | 100.7 | Really Low | 07:10:21 - 07:33:18 | 8510 |
| Okanogan | 07:20:04 | -57.3 | Dark | Down | 13.1 | 102.6 | Really Low | 07:08:35 - 07:31:32 | 8509 |
| Hawthorne | 07:21:44 | -67.2 | Dark | Down | 16.1 | 101.1 | Really Low | 07:10:15 - 07:33:12 | 8504 |
| Tonasket | 07:19:58 | -57.0 | Dark | Down | 13.1 | 102.8 | Really Low | 07:08:29 - 07:31:26 | 8502 |
| Oroville | 07:19:56 | -56.8 | Dark | Down | 13.0 | 102.8 | Really Low | 07:08:27 - 07:31:24 | 8500 |
| Bishop | 07:21:53 | -68.4 | Dark | Down | 16.5 | 101.0 | Really Low | 07:10:25 - 07:33:22 | 8488 |
| Lone Pine | 07:21:57 | -69.2 | Dark | Down | 16.9 | 101.0 | Really Low | 07:10:28 - 07:33:25 | 8471 |
| Tonopah | 07:21:44 | -67.8 | Dark | Down | 17.3 | 101.9 | Really Low | 07:10:16 - 07:33:13 | 8466 |
| Wildwood | 07:22:26 | -71.6 | Dark | Down | 17.0 | 100.0 | Really Low | 07:10:58 - 07:33:55 | 8449 |
| Beatty | 07:21:55 | -69.0 | Dark | Down | 17.9 | 101.9 | Really Low | 07:10:26 - 07:33:23 | 8442 |
| Indian Springs | 07:21:57 | -69.4 | Dark | Down | 18.8 | 102.5 | Really Low | 07:10:28 - 07:33:25 | 8410 |
| Idyllwild | 07:22:28 | -72.2 | Dark | Down | 18.7 | 101.0 | Really Low | 07:10:59 - 07:33:56 | 8394 |
| Henderson | 07:22:03 | -69.9 | Dark | Down | 19.5 | 102.8 | Really Low | 07:10:35 - 07:33:32 | 8384 |
| Searchlight/Boulder City | 07:22:10 | -70.5 | Dark | Down | 19.7 | 102.7 | Really Low | 07:10:42 - 07:33:39 | 8373 |
| Laughlin/Bullhead City | 07:22:11 | -70.8 | Dark | Down | 20.0 | 102.8 | Low | 07:10:42 - 07:33:39 | 8359 |
| Mohave Valley | 07:22:11 | -71.1 | Dark | Down | 20.1 | 102.7 | Low | 07:10:42 - 07:33:39 | 8354 |
| Calipatria | 07:22:35 | -72.8 | Dark | Down | 19.8 | 101.5 | Really Low | 07:11:06 - 07:34:03 | 8350 |
| Kingman/Dolan Springs | 07:22:08 | -70.8 | Dark | Down | 20.4 | 103.1 | Low | 07:10:40 - 07:33:37 | 8344 |
| Patrick | 07:22:05 | -70.6 | Dark | Down | 20.5 | 103.3 | Low | 07:10:36 - 07:33:33 | 8342 |
| Lake Havasu City | 07:22:14 | -71.5 | Dark | Down | 20.4 | 102.7 | Low | 07:10:46 - 07:33:43 | 8340 |
| Parker | 07:22:18 | -71.8 | Dark | Down | 20.5 | 102.6 | Low | 07:10:49 - 07:33:46 | 8333 |
| Blythe | 07:22:25 | -72.4 | Dark | Down | 20.4 | 102.3 | Low | 07:10:56 - 07:33:53 | 8333 |
| DCO | 07:22:08 | -70.8 | Dark | Down | 21.2 | 103.7 | Low | 07:10:40 - 07:33:37 | 8316 |
| Yuma | 07:22:32 | -73.3 | Dark | Down | 20.6 | 101.9 | Low | 07:11:03 - 07:34:00 | 8316 |
| Niwot | 07:21:02 | -64.6 | Dark | Down | 25.5 | 111.2 | Low | 07:09:34 - 07:32:31 | 8121 |
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, (2018/11/06 07:21UT) Object RA Dec mag sep mel Sirius 06:45:08.2 -16:43:20 -1.5 19.41 103 Alhena 06:37:42.8 +16:23:57 1.9 17.00 108 21 Mon 07:11:23.6 -00:18:08 5.5 1.87 99 PPM 152051 07:09:29.8 +01:55:13 7.4 0.61 99 PPM 152117 07:11:21.8 +01:38:18 9.2 0.08 99 14YY49 07:11:28.7 +01:33:59 16.0 99 Positions are for J2000
Event circumstances last updated at 2018/05/24 01:55:30 UT
Marc W. Buie, Southwest Research Institute