Event between 08KV42 and star GA1300:04498787 with event index number of 152737
Geocentric closest approach at 2018/10/17 02:00:30 UTC
J2000 position of star is 16:24:21.3 +41:38:39
Equinox of date position of star is 16:24:58.7 +41:36:06
Stellar brightness G=16.3,
use SENSEUP=128
Star is 79 degrees from the moon.
Moon is 53% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 26.3 AU from the Sun
and 26.7 AU from the Earth.
The TNO is moving 24.2
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 74 seconds.
The 1-sigma cross-track error in the shadow position is
2242 km.
The sky-plane scale is
19354.4 km/arcsec.
The TNO has an absolute magnitude Hv=8.8
Diameter=107.2 km assuming a 5% albedo -- 4.4 sec chord
Diameter=43.7 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
Star training set for 08KV42, (2018/10/17 02:00UT) Object RA Dec mag sep mel Vega 18:37:34.5 +38:48:07 0.0 25.32 62 23Bet Dra 17:30:51.5 +52:17:17 2.8 15.44 79 30 Her 16:29:15.7 +41:50:28 6.4 0.83 79 PPM 055388 16:24:24.9 +42:04:08 8.2 0.48 79 PPM 055403 16:25:30.2 +41:28:34 9.4 0.16 79 08KV42 16:24:58.7 +41:36:06 16.3 79 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 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) |
| Niwot | 02:02:19 | -20.4 | Dark | Up | 42.1 | 294.2 | Up | 01:55:41 - 02:08:58 | 4390 |
| Rutland | 02:01:32 | -10.0 | NT | Up | 54.6 | 276.3 | Up | 01:54:54 - 02:08:11 | 3855 |
| Penticton | 02:01:33 | -9.9 | NT | Up | 54.6 | 276.7 | Up | 01:54:54 - 02:08:11 | 3832 |
| Okanagan Falls | 02:01:34 | -9.8 | NT | Up | 54.6 | 277.0 | Up | 01:54:56 - 02:08:13 | 3824 |
| Southern Okanagan | 02:01:35 | -9.9 | NT | Up | 54.6 | 277.2 | Up | 01:54:57 - 02:08:14 | 3819 |
| Oroville | 02:01:36 | -9.9 | NT | Up | 54.5 | 277.7 | Up | 01:54:58 - 02:08:15 | 3817 |
| Tonasket | 02:01:37 | -9.9 | NT | Up | 54.4 | 278.0 | Up | 01:54:59 - 02:08:16 | 3809 |
| Okanogan | 02:01:39 | -9.8 | NT | Up | 54.5 | 278.4 | Up | 01:55:00 - 02:08:17 | 3788 |
| Brewster | 02:01:40 | -9.7 | NT | Up | 54.6 | 278.6 | Up | 01:55:01 - 02:08:18 | 3765 |
| PNWRO | 02:01:49 | -10.2 | NT | Up | 53.6 | 282.0 | Up | 01:55:11 - 02:08:28 | 3739 |
| Manson/Chelan | 02:01:40 | -9.4 | NT | Up | 54.8 | 278.7 | Up | 01:55:01 - 02:08:18 | 3736 |
| Pasco | 02:01:48 | -10.0 | NT | Up | 53.8 | 281.5 | Up | 01:55:09 - 02:08:26 | 3735 |
| Entiat | 02:01:41 | -9.3 | NT | Up | 54.8 | 279.0 | Up | 01:55:03 - 02:08:20 | 3723 |
| George/Umatilla | 02:01:49 | -9.9 | NT | Up | 53.9 | 281.9 | Up | 01:55:11 - 02:08:28 | 3708 |
| Wenatchee | 02:01:42 | -9.3 | NT | Up | 54.8 | 279.3 | Up | 01:55:03 - 02:08:20 | 3708 |
| Ellensburg | 02:01:43 | -9.1 | NT | Up | 54.9 | 279.7 | Up | 01:55:05 - 02:08:22 | 3678 |
| DCO | 02:02:37 | -14.4 | AT | Up | 45.7 | 296.3 | Up | 01:55:59 - 02:09:16 | 3671 |
| Toppenish/White Swan | 02:01:47 | -9.2 | NT | Up | 54.7 | 280.7 | Up | 01:55:08 - 02:08:25 | 3663 |
| Yakima | 02:01:46 | -9.1 | NT | Up | 54.8 | 280.3 | Up | 01:55:07 - 02:08:24 | 3661 |
| Patrick | 02:02:36 | -13.8 | AT | Up | 46.3 | 295.8 | Up | 01:55:58 - 02:09:15 | 3634 |
| Goldendale | 02:01:48 | -8.8 | NT | Up | 54.9 | 281.2 | Up | 01:55:10 - 02:08:27 | 3614 |
| Kingman/Dolan Springs | 02:02:37 | -13.6 | AT | Up | 46.4 | 296.0 | Up | 01:55:59 - 02:09:16 | 3611 |
| Henderson | 02:02:33 | -12.9 | AT | Up | 47.4 | 295.0 | Up | 01:55:54 - 02:09:11 | 3584 |
| The Dalles | 02:01:49 | -8.6 | NT | Up | 55.1 | 281.3 | Up | 01:55:11 - 02:08:28 | 3582 |
| Laughlin/Bullhead City | 02:02:37 | -13.2 | AT | Up | 46.8 | 295.9 | Up | 01:55:58 - 02:09:15 | 3574 |
| Maupin | 02:01:51 | -8.6 | NT | Up | 54.9 | 282.0 | Up | 01:55:12 - 02:08:29 | 3572 |
| Searchlight/Boulder City | 02:02:35 | -12.9 | AT | Up | 47.2 | 295.6 | Up | 01:55:57 - 02:09:14 | 3563 |
| Mohave Valley | 02:02:38 | -13.2 | AT | Up | 46.6 | 296.2 | Up | 01:55:59 - 02:09:16 | 3562 |
| Lake Havasu City | 02:02:39 | -13.4 | AT | Up | 46.3 | 296.6 | Up | 01:56:01 - 02:09:18 | 3562 |
| Indian Springs | 02:02:30 | -12.3 | AT | Up | 48.2 | 294.3 | Up | 01:55:52 - 02:09:09 | 3559 |
| Parker | 02:02:41 | -13.4 | AT | Up | 46.1 | 297.0 | Up | 01:56:03 - 02:09:20 | 3548 |
| Madras/Culver | 02:01:52 | -8.6 | NT | Up | 54.8 | 282.7 | Up | 01:55:14 - 02:08:31 | 3546 |
| Redmond | 02:01:55 | -8.5 | NT | Up | 54.8 | 283.2 | Up | 01:55:16 - 02:08:33 | 3527 |
| Tonopah | 02:02:23 | -11.2 | NT | Up | 49.9 | 292.4 | Up | 01:55:45 - 02:09:02 | 3518 |
| Bend | 02:01:55 | -8.4 | NT | Up | 54.8 | 283.4 | Up | 01:55:17 - 02:08:34 | 3509 |
| Sisters | 02:01:54 | -8.2 | NT | Up | 55.0 | 283.0 | Up | 01:55:16 - 02:08:33 | 3503 |
| Blythe | 02:02:43 | -13.1 | AT | Up | 46.1 | 297.4 | Up | 01:56:04 - 02:09:21 | 3503 |
| North Lake | 02:01:59 | -8.6 | NT | Up | 54.3 | 284.7 | Up | 01:55:21 - 02:08:38 | 3500 |
| Paisley | 02:02:02 | -8.9 | NT | Up | 53.9 | 285.6 | Up | 01:55:23 - 02:08:40 | 3500 |
| Beatty | 02:02:29 | -11.5 | NT | Up | 49.1 | 293.7 | Up | 01:55:50 - 02:09:07 | 3498 |
| Oregon Observatory | 02:01:56 | -8.3 | NT | Up | 54.8 | 283.6 | Up | 01:55:18 - 02:08:35 | 3494 |
| Lakeview | 02:02:04 | -9.0 | NT | Up | 53.6 | 286.4 | Up | 01:55:26 - 02:08:43 | 3490 |
| La Pine/Gilchrist | 02:01:57 | -8.2 | NT | Up | 54.8 | 283.9 | Up | 01:55:19 - 02:08:36 | 3481 |
| Cedarville | 02:02:07 | -9.1 | NT | Up | 53.3 | 287.3 | Up | 01:55:29 - 02:08:46 | 3473 |
| Yuma | 02:02:46 | -13.1 | AT | Up | 45.6 | 298.2 | Up | 01:56:07 - 02:09:24 | 3457 |
| Hawthorne | 02:02:21 | -10.1 | NT | Up | 51.1 | 291.5 | Up | 01:55:42 - 02:08:59 | 3442 |
| Yerington | 02:02:18 | -9.7 | NT | Up | 51.7 | 290.8 | Up | 01:55:40 - 02:08:57 | 3427 |
| Calipatria | 02:02:44 | -12.3 | AT | Up | 46.5 | 297.7 | Up | 01:56:06 - 02:09:23 | 3412 |
| Chiloquin | 02:02:01 | -7.9 | NT | Up | 54.8 | 285.3 | Up | 01:55:23 - 02:08:40 | 3409 |
| Reno | 02:02:16 | -9.2 | NT | Up | 52.4 | 289.9 | Up | 01:55:37 - 02:08:54 | 3407 |
| Tulelake | 02:02:04 | -8.1 | NT | Up | 54.4 | 286.2 | Up | 01:55:26 - 02:08:43 | 3406 |
| Bishop | 02:02:26 | -10.2 | NT | Up | 50.5 | 292.8 | Up | 01:55:47 - 02:09:04 | 3405 |
| Klamath Falls | 02:02:03 | -7.9 | NT | Up | 54.6 | 285.8 | Up | 01:55:24 - 02:08:41 | 3399 |
| Lone Pine | 02:02:28 | -10.4 | NT | Up | 50.0 | 293.8 | Up | 01:55:50 - 02:09:07 | 3394 |
| Carson City | 02:02:17 | -9.2 | NT | Up | 52.2 | 290.3 | Up | 01:55:38 - 02:08:55 | 3393 |
| Susanville | 02:02:11 | -8.6 | NT | Up | 53.3 | 288.6 | Up | 01:55:33 - 02:08:50 | 3391 |
| Gardnerville | 02:02:17 | -9.2 | NT | Up | 52.1 | 290.7 | Up | 01:55:38 - 02:08:55 | 3385 |
| Lee Vining | 02:02:23 | -9.6 | NT | Up | 51.3 | 292.0 | Up | 01:55:44 - 02:09:01 | 3383 |
| Portola | 02:02:14 | -8.7 | NT | Up | 52.9 | 289.4 | Up | 01:55:35 - 02:08:52 | 3376 |
| Fall River/Burney | 02:02:08 | -8.1 | NT | Up | 54.0 | 287.5 | Up | 01:55:29 - 02:08:46 | 3370 |
| Gimple | 02:02:12 | -8.4 | NT | Up | 53.3 | 288.8 | Up | 01:55:34 - 02:08:51 | 3364 |
| Greenville | 02:02:12 | -8.4 | NT | Up | 53.4 | 288.8 | Up | 01:55:34 - 02:08:51 | 3358 |
| Idyllwild | 02:02:41 | -11.4 | NT | Up | 47.7 | 297.0 | Up | 01:56:03 - 02:09:20 | 3355 |
| Quincy | 02:02:13 | -8.4 | NT | Up | 53.3 | 289.1 | Up | 01:55:34 - 02:08:51 | 3349 |
| Wildwood | 02:02:38 | -9.8 | NT | Up | 49.3 | 296.3 | Up | 01:56:00 - 02:09:17 | 3236 |
| CPSLO | 02:02:32 | -8.2 | NT | Up | 51.3 | 294.7 | Up | 01:55:53 - 02:09:10 | 3147 |
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 08KV42, (2018/10/17 02:00UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 25.32 62 23Bet Dra 17:30:25.9 +52:18:05 2.8 15.44 79 30 Her 16:28:38.6 +41:52:54 6.4 0.83 79 PPM 055388 16:23:47.8 +42:06:41 8.2 0.48 79 PPM 055403 16:24:52.8 +41:31:06 9.4 0.16 79 08KV42 16:24:21.3 +41:38:39 16.3 79 Positions are for J2000
Event circumstances last updated at 2018/10/11 06:02:51 UT
Marc W. Buie, Southwest Research Institute