Event between (470599) 08OG19 and star GA0780:21669177 with event index number of 152740
Geocentric closest approach at 2018/10/06 02:11:42 UTC
J2000 position of star is 20:54:09.3 -10:28:14
Equinox of date position of star is 20:55:10.3 -10:23:54
Stellar brightness G=16.4,
use SENSEUP=128
Star is 159 degrees from the moon.
Moon is 12% illuminated.
TNO apparent brightness V=20.7
[RECON map]
TNO is 38.7 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 10.0
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 416 seconds.
The 1-sigma cross-track error in the shadow position is
2387 km.
The sky-plane scale is
27709.5 km/arcsec.
The TNO has an absolute magnitude Hv=4.7
Diameter=691.9 km assuming a 5% albedo -- 69.3 sec chord
Diameter=282.4 km assuming a 30% albedo -- 28.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 470599, (2018/10/06 02:12UT) Object RA Dec mag sep mel Fomalhaut 22:58:41.0 -29:31:21 1.2 34.56 161 Tarazed 19:47:09.1 +10:39:37 2.7 27.01 135 6Mu Aqr 20:53:39.9 -08:54:43 4.7 1.53 159 PPM 238064 20:55:04.2 -10:51:08 7.2 0.45 159 PPM 238046 20:54:28.2 -10:34:17 9.6 0.24 159 470599 20:55:10.3 -10:23:54 16.4 159 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
2.2 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) |
| Rutland | 02:08:06 | -7.5 | NT | Down | 25.4 | 151.3 | Low | 01:53:06 - 02:23:06 | 705 |
| Penticton | 02:08:09 | -7.4 | NT | Down | 25.7 | 151.0 | Low | 01:53:09 - 02:23:09 | 704 |
| Okanagan Falls | 02:08:10 | -7.3 | NT | Down | 25.9 | 151.0 | Low | 01:53:10 - 02:23:10 | 701 |
| Southern Okanagan | 02:08:12 | -7.4 | NT | Down | 26.0 | 150.9 | Low | 01:53:12 - 02:23:12 | 697 |
| Manson/Chelan | 02:08:24 | -7.0 | NT | Down | 27.0 | 150.1 | Low | 01:53:24 - 02:23:24 | 692 |
| Entiat | 02:08:25 | -7.0 | NT | Down | 27.1 | 149.9 | Low | 01:53:25 - 02:23:25 | 690 |
| Oroville | 02:08:13 | -7.5 | NT | Down | 26.3 | 151.0 | Low | 01:53:13 - 02:23:13 | 688 |
| Wenatchee | 02:08:27 | -6.9 | NT | Down | 27.3 | 149.8 | Low | 01:53:27 - 02:23:27 | 688 |
| Ellensburg | 02:08:31 | -6.8 | NT | Down | 27.6 | 149.5 | Low | 01:53:31 - 02:23:31 | 687 |
| Brewster | 02:08:20 | -7.3 | NT | Down | 26.9 | 150.5 | Low | 01:53:20 - 02:23:20 | 683 |
| Tonasket | 02:08:14 | -7.5 | NT | Down | 26.5 | 151.0 | Low | 01:53:14 - 02:23:14 | 683 |
| Okanogan | 02:08:17 | -7.4 | NT | Down | 26.7 | 150.7 | Low | 01:53:17 - 02:23:17 | 681 |
| Yakima | 02:08:35 | -6.8 | NT | Down | 28.0 | 149.3 | Low | 01:53:35 - 02:23:35 | 678 |
| The Dalles | 02:08:44 | -6.4 | NT | Down | 28.6 | 148.5 | Low | 01:53:44 - 02:23:44 | 677 |
| Goldendale | 02:08:41 | -6.6 | NT | Down | 28.5 | 148.9 | Low | 01:53:41 - 02:23:41 | 669 |
| Toppenish/White Swan | 02:08:35 | -6.9 | NT | Down | 28.2 | 149.5 | Low | 01:53:35 - 02:23:35 | 666 |
| Maupin | 02:08:46 | -6.4 | NT | Down | 29.0 | 148.5 | Low | 01:53:46 - 02:23:46 | 662 |
| Sisters | 02:08:56 | -6.1 | NT | Down | 29.6 | 147.7 | Low | 01:53:56 - 02:23:56 | 658 |
| Madras/Culver | 02:08:51 | -6.4 | NT | Down | 29.4 | 148.3 | Low | 01:53:51 - 02:23:51 | 650 |
| Oregon Observatory | 02:08:57 | -6.2 | NT | Down | 30.0 | 147.7 | Low | 01:53:57 - 02:23:57 | 642 |
| Redmond | 02:08:53 | -6.4 | NT | Down | 29.7 | 148.1 | Low | 01:53:53 - 02:23:53 | 642 |
| Bend | 02:08:55 | -6.3 | NT | Down | 29.9 | 147.9 | Low | 01:53:55 - 02:23:55 | 641 |
| La Pine/Gilchrist | 02:08:59 | -6.1 | NT | Down | 30.1 | 147.6 | Up | 01:53:59 - 02:23:59 | 638 |
| Chiloquin | 02:09:09 | -5.9 | CT | Down | 30.9 | 146.9 | Up | 01:54:09 - 02:24:09 | 620 |
| Pasco | 02:08:29 | -7.8 | NT | Down | 28.7 | 150.7 | Low | 01:53:29 - 02:23:29 | 613 |
| George/Umatilla | 02:08:32 | -7.6 | NT | Down | 29.0 | 150.4 | Low | 01:53:32 - 02:23:32 | 613 |
| Klamath Falls | 02:09:12 | -5.9 | CT | Down | 31.3 | 146.9 | Up | 01:54:12 - 02:24:12 | 607 |
| North Lake | 02:09:00 | -6.6 | NT | Down | 30.7 | 148.1 | Up | 01:54:00 - 02:24:00 | 602 |
| PNWRO | 02:08:28 | -7.9 | NT | Down | 29.0 | 150.9 | Low | 01:53:28 - 02:23:28 | 598 |
| Tulelake | 02:09:12 | -6.2 | NT | Down | 31.6 | 147.2 | Up | 01:54:12 - 02:24:12 | 586 |
| Paisley | 02:09:00 | -6.8 | NT | Down | 31.3 | 148.3 | Up | 01:54:00 - 02:24:00 | 570 |
| Fall River/Burney | 02:09:16 | -6.2 | NT | Down | 32.4 | 146.9 | Up | 01:54:16 - 02:24:16 | 554 |
| Lakeview | 02:09:03 | -7.0 | NT | Down | 31.8 | 148.4 | Up | 01:54:03 - 02:24:03 | 547 |
| Cedarville | 02:09:06 | -7.1 | NT | Down | 32.5 | 148.4 | Up | 01:54:06 - 02:24:06 | 518 |
| Greenville | 02:09:21 | -6.6 | NT | Down | 33.4 | 147.1 | Up | 01:54:21 - 02:24:21 | 504 |
| Susanville | 02:09:17 | -6.8 | NT | Down | 33.2 | 147.5 | Up | 01:54:17 - 02:24:17 | 501 |
| Gimple | 02:09:20 | -6.6 | NT | Down | 33.4 | 147.2 | Up | 01:54:20 - 02:24:20 | 501 |
| Quincy | 02:09:22 | -6.6 | NT | Down | 33.5 | 147.1 | Up | 01:54:22 - 02:24:22 | 497 |
| Portola | 02:09:19 | -6.9 | NT | Down | 33.8 | 147.5 | Up | 01:54:19 - 02:24:19 | 472 |
| Reno | 02:09:18 | -7.4 | NT | Down | 34.3 | 148.1 | Up | 01:54:18 - 02:24:18 | 435 |
| Carson City | 02:09:21 | -7.4 | NT | Down | 34.6 | 148.0 | Up | 01:54:21 - 02:24:21 | 421 |
| Gardnerville | 02:09:22 | -7.5 | NT | Down | 34.9 | 148.0 | Up | 01:54:22 - 02:24:22 | 410 |
| Yerington | 02:09:18 | -7.9 | NT | Down | 35.1 | 148.6 | Up | 01:54:18 - 02:24:18 | 386 |
| Lee Vining | 02:09:25 | -8.0 | NT | Down | 36.0 | 148.3 | Up | 01:54:25 - 02:24:25 | 345 |
| Hawthorne | 02:09:18 | -8.3 | NT | Down | 35.7 | 149.0 | Up | 01:54:18 - 02:24:18 | 345 |
| CPSLO | 02:09:53 | -6.8 | NT | Down | 37.6 | 145.7 | Up | 01:54:53 - 02:24:53 | 307 |
| Bishop | 02:09:24 | -8.5 | NT | Down | 36.8 | 148.9 | Up | 01:54:24 - 02:24:24 | 288 |
| Tonopah | 02:09:12 | -9.4 | NT | Down | 36.6 | 150.4 | Up | 01:54:12 - 02:24:12 | 262 |
| Lone Pine | 02:09:27 | -8.8 | NT | Down | 37.6 | 149.0 | Up | 01:54:27 - 02:24:27 | 241 |
| Beatty | 02:09:16 | -9.8 | NT | Down | 37.8 | 150.5 | Up | 01:54:16 - 02:24:16 | 193 |
| Wildwood | 02:09:48 | -8.4 | NT | Down | 39.5 | 147.4 | Up | 01:54:48 - 02:24:48 | 158 |
| Indian Springs | 02:09:12 | -10.7 | NT | Down | 38.5 | 151.6 | Up | 01:54:12 - 02:24:12 | 128 |
| Henderson | 02:09:10 | -11.3 | NT | Down | 39.3 | 152.2 | Up | 01:54:10 - 02:24:10 | 71 |
| Idyllwild | 02:09:37 | -10.0 | NT | Down | 40.6 | 149.4 | Up | 01:54:37 - 02:24:37 | 50 |
| Searchlight/Boulder City | 02:09:14 | -11.3 | NT | Down | 39.8 | 152.1 | Up | 01:54:14 - 02:24:14 | 42 |
| Laughlin/Bullhead City | 02:09:13 | -11.6 | NT | Down | 40.2 | 152.4 | Up | 01:54:13 - 02:24:13 | 12 |
| Mohave Valley | 02:09:15 | -11.6 | NT | Down | 40.4 | 152.3 | Up | 01:54:15 - 02:24:15 | -2 |
| Patrick | 02:09:07 | -12.2 | AT | Down | 40.2 | 153.3 | Up | 01:54:07 - 02:24:07 | -12 |
| Kingman/Dolan Springs | 02:09:10 | -12.0 | AT | Down | 40.4 | 153.0 | Up | 01:54:10 - 02:24:10 | -13 |
| Lake Havasu City | 02:09:16 | -11.9 | NT | Down | 40.9 | 152.4 | Up | 01:54:16 - 02:24:16 | -32 |
| Calipatria | 02:09:34 | -11.0 | NT | Down | 41.6 | 150.5 | Up | 01:54:34 - 02:24:34 | -37 |
| Parker | 02:09:18 | -11.9 | NT | Down | 41.2 | 152.3 | Up | 01:54:18 - 02:24:18 | -50 |
| Blythe | 02:09:24 | -11.7 | NT | Down | 41.6 | 151.8 | Up | 01:54:24 - 02:24:24 | -60 |
| DCO | 02:09:04 | -12.8 | AT | Down | 40.7 | 154.0 | Up | 01:54:04 - 02:24:04 | -61 |
| Yuma | 02:09:30 | -11.7 | NT | Down | 42.4 | 151.4 | Up | 01:54:30 - 02:24:30 | -103 |
| Niwot | 02:07:41 | -18.3 | Dark | Down | 38.2 | 164.8 | Up | 01:52:41 - 02:22:41 | -234 |
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 470599, (2018/10/06 02:12UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.5 -29:37:23 1.2 34.56 161 Tarazed 19:46:15.6 +10:36:48 2.7 27.01 135 6Mu Aqr 20:52:39.3 -08:59:00 4.7 1.53 159 PPM 238064 20:54:03.1 -10:55:27 7.2 0.45 159 PPM 238046 20:53:27.1 -10:38:36 9.6 0.24 159 470599 20:54:09.3 -10:28:14 16.4 159 Positions are for J2000
Event circumstances last updated at 2018/10/04 18:54:24 UT
Marc W. Buie, Southwest Research Institute