Event between 15KK178 and star GA0720:06643285 with event index number of 1589944
Geocentric closest approach at 2020/02/15 13:06:34 UTC
J2000 position of star is 16:50:36.6 -17:41:34
Equinox of date position of star is 16:51:44.5 -17:43:30
Stellar brightness G=13.3,
use SENSEUP=32
Star is 22 degrees from the moon.
Moon is 54% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 37.2 AU from the Sun
and 37.5 AU from the Earth.
The TNO is moving 14.5
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 201 seconds.
The 1-sigma cross-track error in the shadow position is
1531 km.
The sky-plane scale is
27171.7 km/arcsec.
The TNO has an absolute magnitude Hv=6.5
Diameter=307.6 km assuming a 5% albedo -- 21.2 sec chord
Diameter=125.6 km assuming a 30% albedo -- 8.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 15KK178, (2020/02/15 13:07UT) Object RA Dec mag sep mel Antares 16:30:38.7 -26:28:30 0.9 10.02 20 35Eta Oph 17:11:32.0 -15:44:54 2.6 5.13 27 PPM 232348 16:57:11.7 -16:50:12 6.3 1.57 23 PPM 232237 16:52:34.1 -17:58:23 8.3 0.31 22 15KK178 16:51:46.7 -17:43:33 13.3 22 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
4.5 sigma about the mid-time.
The median site spacing is 14.3 km
RECON observability=0.8 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 | 13:05:21 | -20.4 | Dark | Up | 17.2 | 149.4 | Really Low | 12:50:21 - 13:20:21 | 11508 |
| Summerland | 13:05:18 | -20.6 | Dark | Up | 17.3 | 149.1 | Really Low | 12:50:18 - 13:20:18 | 11496 |
| Penticton | 13:05:17 | -20.5 | Dark | Up | 17.4 | 149.2 | Really Low | 12:50:17 - 13:20:17 | 11494 |
| Okanagan Falls | 13:05:16 | -20.5 | Dark | Up | 17.6 | 149.1 | Really Low | 12:50:16 - 13:20:16 | 11486 |
| Oliver | 13:05:17 | -20.5 | Dark | Up | 17.7 | 149.1 | Really Low | 12:50:17 - 13:20:17 | 11480 |
| Anarchist Mountain Observatory | 13:05:17 | -20.4 | Dark | Up | 17.9 | 149.3 | Really Low | 12:50:17 - 13:20:17 | 11473 |
| Oroville | 13:05:17 | -20.5 | Dark | Up | 18.0 | 149.2 | Really Low | 12:50:17 - 13:20:17 | 11470 |
| Tonasket | 13:05:15 | -20.5 | Dark | Up | 18.2 | 149.1 | Really Low | 12:50:15 - 13:20:15 | 11461 |
| Okanogan | 13:05:14 | -20.6 | Dark | Up | 18.4 | 148.9 | Really Low | 12:50:14 - 13:20:14 | 11448 |
| Brewster | 13:05:10 | -20.8 | Dark | Up | 18.6 | 148.7 | Really Low | 12:50:10 - 13:20:10 | 11437 |
| Manson/Chelan | 13:05:09 | -21.1 | Dark | Up | 18.6 | 148.3 | Really Low | 12:50:09 - 13:20:09 | 11428 |
| Wenatchee | 13:05:07 | -21.2 | Dark | Up | 19.0 | 148.1 | Really Low | 12:50:07 - 13:20:07 | 11408 |
| Ellensburg | 13:05:04 | -21.4 | Dark | Up | 19.2 | 147.8 | Really Low | 12:50:04 - 13:20:04 | 11390 |
| Yakima | 13:05:03 | -21.4 | Dark | Up | 19.6 | 147.7 | Really Low | 12:50:03 - 13:20:03 | 11373 |
| Toppenish/White Swan | 13:05:03 | -21.3 | Dark | Up | 19.8 | 147.8 | Really Low | 12:50:03 - 13:20:03 | 11364 |
| Pasco | 13:05:08 | -20.5 | Dark | Up | 20.4 | 149.0 | Low | 12:50:08 - 13:20:08 | 11359 |
| PNWRO | 13:05:09 | -20.3 | Dark | Up | 20.7 | 149.1 | Low | 12:50:09 - 13:20:09 | 11348 |
| George/Umatilla | 13:05:06 | -20.6 | Dark | Up | 20.6 | 148.7 | Low | 12:50:06 - 13:20:06 | 11344 |
| Goldendale | 13:04:59 | -21.7 | Dark | Up | 20.1 | 147.3 | Low | 12:49:59 - 13:19:59 | 11339 |
| The Dalles | 13:04:55 | -22.0 | Dark | Up | 20.1 | 146.9 | Low | 12:49:55 - 13:19:55 | 11328 |
| Maupin | 13:04:55 | -21.9 | Dark | Up | 20.5 | 146.9 | Low | 12:49:55 - 13:19:55 | 11309 |
| Madras/Culver | 13:04:51 | -22.0 | Dark | Up | 21.0 | 146.7 | Low | 12:49:51 - 13:19:51 | 11284 |
| Sisters | 13:04:48 | -22.3 | Dark | Up | 21.1 | 146.2 | Low | 12:49:48 - 13:19:48 | 11267 |
| Redmond | 13:04:52 | -22.1 | Dark | Up | 21.3 | 146.6 | Low | 12:49:52 - 13:19:52 | 11267 |
| Bend | 13:04:50 | -22.2 | Dark | Up | 21.4 | 146.4 | Low | 12:49:50 - 13:19:50 | 11256 |
| Oregon Observatory | 13:04:49 | -22.3 | Dark | Up | 21.5 | 146.2 | Low | 12:49:49 - 13:19:49 | 11248 |
| La Pine/Gilchrist | 13:04:47 | -22.3 | Dark | Up | 21.6 | 146.1 | Low | 12:49:47 - 13:19:47 | 11238 |
| North Lake | 13:04:49 | -21.9 | Dark | Up | 22.2 | 146.6 | Low | 12:49:49 - 13:19:49 | 11217 |
| Paisley | 13:04:48 | -21.7 | Dark | Up | 22.8 | 146.8 | Low | 12:49:48 - 13:19:48 | 11190 |
| Chiloquin | 13:04:42 | -22.7 | Dark | Up | 22.4 | 145.5 | Low | 12:49:42 - 13:19:42 | 11182 |
| Klamath Falls | 13:04:41 | -22.6 | Dark | Up | 22.7 | 145.5 | Low | 12:49:41 - 13:19:41 | 11165 |
| Lakeview | 13:04:48 | -21.6 | Dark | Up | 23.3 | 146.9 | Low | 12:49:48 - 13:19:48 | 11164 |
| Tulelake | 13:04:42 | -22.4 | Dark | Up | 23.0 | 145.7 | Low | 12:49:42 - 13:19:42 | 11151 |
| Cedarville | 13:04:46 | -21.5 | Dark | Up | 23.9 | 146.9 | Low | 12:49:46 - 13:19:46 | 11130 |
| Fall River/Burney | 13:04:38 | -22.4 | Dark | Up | 23.8 | 145.6 | Low | 12:49:38 - 13:19:38 | 11104 |
| Susanville | 13:04:40 | -21.9 | Dark | Up | 24.7 | 146.1 | Low | 12:49:40 - 13:19:40 | 11071 |
| Gimple | 13:04:39 | -22.1 | Dark | Up | 24.8 | 145.8 | Low | 12:49:39 - 13:19:39 | 11055 |
| Greenville | 13:04:38 | -22.1 | Dark | Up | 24.8 | 145.8 | Low | 12:49:38 - 13:19:38 | 11055 |
| Quincy | 13:04:37 | -22.1 | Dark | Up | 24.9 | 145.7 | Low | 12:49:37 - 13:19:37 | 11044 |
| Portola | 13:04:39 | -21.8 | Dark | Up | 25.2 | 146.1 | Low | 12:49:39 - 13:19:39 | 11038 |
| Reno | 13:04:42 | -21.3 | Dark | Up | 25.7 | 146.7 | Low | 12:49:42 - 13:19:42 | 11023 |
| Carson City | 13:04:41 | -21.2 | Dark | Up | 26.1 | 146.6 | Low | 12:49:41 - 13:19:41 | 11003 |
| SwRI | 13:06:05 | -9.9 | NT | Up | 30.3 | 161.9 | Up | 12:51:05 - 13:21:05 | 10999 |
| Yerington | 13:04:43 | -20.7 | Dark | Up | 26.5 | 147.2 | Low | 12:49:43 - 13:19:43 | 10993 |
| Gardnerville | 13:04:40 | -21.2 | Dark | Up | 26.3 | 146.6 | Low | 12:49:40 - 13:19:40 | 10990 |
| Hawthorne | 13:04:45 | -20.3 | Dark | Up | 27.1 | 147.6 | Low | 12:49:45 - 13:19:45 | 10966 |
| Tonopah | 13:04:51 | -19.2 | Dark | Up | 28.1 | 148.8 | Low | 12:49:51 - 13:19:51 | 10938 |
| Lee Vining | 13:04:40 | -20.7 | Dark | Up | 27.4 | 146.9 | Low | 12:49:40 - 13:19:40 | 10933 |
| Bishop | 13:04:43 | -20.1 | Dark | Up | 28.2 | 147.4 | Low | 12:49:43 - 13:19:43 | 10898 |
| Beatty | 13:04:50 | -18.8 | Dark | Up | 29.3 | 148.9 | Low | 12:49:50 - 13:19:50 | 10870 |
| Lone Pine | 13:04:42 | -19.9 | Dark | Up | 29.0 | 147.5 | Low | 12:49:42 - 13:19:42 | 10853 |
| Indian Springs | 13:04:55 | -17.9 | AT | Up | 30.0 | 149.9 | Up | 12:49:55 - 13:19:55 | 10848 |
| Henderson | 13:04:58 | -17.3 | AT | Up | 30.8 | 150.5 | Up | 12:49:58 - 13:19:58 | 10814 |
| Searchlight/Boulder City | 13:04:57 | -17.2 | AT | Up | 31.3 | 150.4 | Up | 12:49:57 - 13:19:57 | 10779 |
| Patrick | 13:05:02 | -16.3 | AT | Up | 31.7 | 151.5 | Up | 12:50:02 - 13:20:02 | 10773 |
| CPSLO | 13:04:23 | -22.0 | Dark | Up | 28.8 | 144.6 | Low | 12:49:23 - 13:19:23 | 10772 |
| Kingman/Dolan Springs | 13:05:00 | -16.5 | AT | Up | 31.9 | 151.2 | Up | 12:50:00 - 13:20:00 | 10759 |
| Laughlin/Bullhead City | 13:04:57 | -16.9 | AT | Up | 31.7 | 150.6 | Up | 12:49:57 - 13:19:57 | 10759 |
| Mohave Valley | 13:04:58 | -16.9 | AT | Up | 31.9 | 150.6 | Up | 12:49:58 - 13:19:58 | 10742 |
| Lake Havasu City | 13:04:57 | -16.7 | AT | Up | 32.4 | 150.7 | Up | 12:49:57 - 13:19:57 | 10716 |
| Wildwood | 13:04:31 | -20.3 | Dark | Up | 30.8 | 146.2 | Up | 12:49:31 - 13:19:31 | 10696 |
| Parker | 13:04:56 | -16.6 | AT | Up | 32.7 | 150.6 | Up | 12:49:56 - 13:19:56 | 10693 |
| Idyllwild | 13:04:41 | -18.6 | Dark | Up | 32.0 | 148.0 | Up | 12:49:41 - 13:19:41 | 10671 |
| Blythe | 13:04:53 | -16.8 | AT | Up | 33.0 | 150.1 | Up | 12:49:53 - 13:19:53 | 10660 |
| Calipatria | 13:04:46 | -17.6 | AT | Up | 33.0 | 149.0 | Up | 12:49:46 - 13:19:46 | 10630 |
| Yuma | 13:04:51 | -16.8 | AT | Up | 33.8 | 149.8 | Up | 12:49:51 - 13:19:51 | 10599 |
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 15KK178, (2020/02/15 13:07UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 10.02 20 35Eta Oph 17:10:22.7 -15:43:29 2.6 5.13 27 PPM 232348 16:56:02.0 -16:48:22 6.3 1.57 23 PPM 232237 16:51:23.9 -17:56:25 8.3 0.31 22 15KK178 16:50:36.6 -17:41:34 13.3 22 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:29:15 UT
Marc W. Buie, Southwest Research Institute