Event between 14LM28 and star GDR2_254.123_22.623 with event index number of 199931
Geocentric closest approach at 2018/06/25 05:45:20 UTC
J2000 position of star is 16:56:29.5 +22:37:23
Equinox of date position of star is 16:57:16.2 +22:35:43
Stellar brightness G=13.0,
use SENSEUP=32
Star is 41 degrees from the moon.
Moon is 92% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 16.8 AU from the Sun
and 16.1 AU from the Earth.
The TNO is moving 25.7
km/sec on the sky relative to the star, or,
7.9 arcsec/hr.
The 1-sigma error in the time of the event is 55 seconds.
The 1-sigma cross-track error in the shadow position is
5002 km.
The sky-plane scale is
11692.8 km/arcsec.
The TNO has an absolute magnitude Hv=9.6
Diameter=73.1 km assuming a 5% albedo -- 2.8 sec chord
Diameter=29.8 km assuming a 30% albedo -- 1.2 sec chord
Dynamical classification is CENTAURR
Star training set for 14LM28, (2018/06/25 05:45UT) Object RA Dec mag sep mel Vega 18:37:33.9 +38:48:06 0.0 26.82 66 27Bet Her 16:31:00.9 +21:27:01 2.8 6.19 38 PPM 105335 16:55:43.0 +20:55:47 6.5 1.70 39 PPM 105357 16:57:07.3 +22:04:44 8.5 0.52 40 PPM 105380 16:57:59.9 +22:44:34 9.3 0.22 41 14LM28 16:57:16.5 +22:35:42 13.0 41 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 25.3 km
RECON observability=0.7 and success probability=6.6%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 05:46:21 | -11.7 | CT | Up | 61.6 | 152.8 | Up | 05:41:17 - 05:51:26 | 852 |
| Tonasket | 05:46:22 | -11.9 | CT | Up | 61.8 | 152.6 | Up | 05:41:17 - 05:51:26 | 828 |
| Okanogan | 05:46:22 | -12.2 | AT | Up | 62.0 | 152.0 | Up | 05:41:17 - 05:51:26 | 793 |
| Brewster | 05:46:22 | -12.3 | AT | Up | 62.2 | 151.4 | Up | 05:41:18 - 05:51:27 | 764 |
| Manson/Chelan | 05:46:23 | -12.4 | AT | Up | 62.3 | 150.5 | Up | 05:41:19 - 05:51:28 | 739 |
| Entiat | 05:46:23 | -12.6 | AT | Up | 62.4 | 150.2 | Up | 05:41:19 - 05:51:28 | 716 |
| Wenatchee | 05:46:24 | -12.7 | AT | Up | 62.6 | 149.8 | Up | 05:41:19 - 05:51:28 | 690 |
| Ellensburg | 05:46:24 | -13.0 | AT | Up | 62.9 | 149.0 | Up | 05:41:20 - 05:51:29 | 646 |
| Yakima | 05:46:25 | -13.3 | AT | Up | 63.2 | 148.5 | Up | 05:41:20 - 05:51:29 | 604 |
| Toppenish/White Swan | 05:46:24 | -13.6 | AT | Up | 63.5 | 148.6 | Up | 05:41:19 - 05:51:28 | 583 |
| Pasco | 05:46:20 | -14.2 | AT | Up | 64.0 | 150.9 | Up | 05:41:16 - 05:51:25 | 582 |
| PNWRO | 05:46:20 | -14.4 | AT | Up | 64.3 | 151.1 | Up | 05:41:15 - 05:51:24 | 558 |
| George/Umatilla | 05:46:21 | -14.4 | AT | Up | 64.2 | 150.1 | Up | 05:41:16 - 05:51:25 | 545 |
| Goldendale | 05:46:25 | -13.9 | AT | Up | 63.8 | 147.2 | Up | 05:41:21 - 05:51:30 | 523 |
| The Dalles | 05:46:25 | -13.9 | AT | Up | 63.8 | 146.3 | Up | 05:41:21 - 05:51:30 | 497 |
| Maupin | 05:46:25 | -14.3 | AT | Up | 64.2 | 146.0 | Up | 05:41:21 - 05:51:30 | 454 |
| Madras/Culver | 05:46:25 | -14.8 | AT | Up | 64.7 | 145.3 | Up | 05:41:21 - 05:51:30 | 397 |
| Redmond | 05:46:25 | -15.1 | AT | Up | 64.9 | 144.7 | Up | 05:41:21 - 05:51:30 | 360 |
| Sisters | 05:46:27 | -14.9 | AT | Up | 64.8 | 144.0 | Up | 05:41:23 - 05:51:32 | 358 |
| Bend | 05:46:25 | -15.2 | AT | Up | 65.1 | 144.2 | Up | 05:41:21 - 05:51:30 | 338 |
| Oregon Observatory | 05:46:25 | -15.3 | AT | Up | 65.1 | 143.7 | Up | 05:41:21 - 05:51:30 | 320 |
| La Pine/Gilchrist | 05:46:27 | -15.4 | AT | Up | 65.3 | 143.3 | Up | 05:41:23 - 05:51:32 | 294 |
| North Lake | 05:46:25 | -16.0 | AT | Up | 65.9 | 144.0 | Up | 05:41:21 - 05:51:30 | 254 |
| Paisley | 05:46:24 | -16.6 | AT | Up | 66.5 | 143.9 | Up | 05:41:20 - 05:51:29 | 199 |
| Chiloquin | 05:46:28 | -16.2 | AT | Up | 66.0 | 141.2 | Up | 05:41:24 - 05:51:33 | 175 |
| Lakeview | 05:46:23 | -17.1 | AT | Up | 67.0 | 143.6 | Up | 05:41:19 - 05:51:28 | 147 |
| Klamath Falls | 05:46:28 | -16.5 | AT | Up | 66.3 | 140.8 | Up | 05:41:23 - 05:51:32 | 139 |
| Niwot | 05:45:34 | -24.0 | Dark | Up | 72.5 | 181.3 | Up | 05:40:30 - 05:50:39 | 135 |
| Tulelake | 05:46:25 | -16.9 | AT | Up | 66.6 | 141.0 | Up | 05:41:21 - 05:51:30 | 123 |
| Cedarville | 05:46:23 | -17.8 | AT | Up | 67.6 | 143.1 | Up | 05:41:18 - 05:51:27 | 80 |
| Fall River/Burney | 05:46:25 | -17.7 | AT | Up | 67.4 | 139.8 | Up | 05:41:21 - 05:51:30 | 43 |
| Susanville | 05:46:24 | -18.5 | Dark | Up | 68.2 | 140.4 | Up | 05:41:20 - 05:51:29 | -43 |
| Gimple | 05:46:25 | -18.6 | Dark | Up | 68.3 | 139.5 | Up | 05:41:20 - 05:51:29 | -74 |
| Greenville | 05:46:25 | -18.6 | Dark | Up | 68.3 | 139.3 | Up | 05:41:21 - 05:51:30 | -75 |
| Quincy | 05:46:25 | -18.8 | Dark | Up | 68.5 | 139.0 | Up | 05:41:21 - 05:51:30 | -96 |
| Portola | 05:46:23 | -19.1 | Dark | Up | 68.8 | 139.8 | Up | 05:41:19 - 05:51:28 | -106 |
| Reno | 05:46:22 | -19.6 | Dark | Up | 69.3 | 140.7 | Up | 05:41:17 - 05:51:26 | -128 |
| Carson City | 05:46:21 | -19.9 | Dark | Up | 69.6 | 140.2 | Up | 05:41:17 - 05:51:26 | -166 |
| Yerington | 05:46:19 | -20.3 | Dark | Up | 70.1 | 141.2 | Up | 05:41:14 - 05:51:23 | -180 |
| Gardnerville | 05:46:21 | -20.1 | Dark | Up | 69.8 | 139.8 | Up | 05:41:17 - 05:51:26 | -192 |
| Hawthorne | 05:46:17 | -20.9 | Dark | Up | 70.7 | 141.6 | Up | 05:41:13 - 05:51:22 | -225 |
| Tonopah | 05:46:12 | -21.9 | Dark | Up | 71.7 | 144.3 | Up | 05:41:08 - 05:51:17 | -259 |
| Lee Vining | 05:46:19 | -21.2 | Dark | Up | 70.9 | 139.5 | Up | 05:41:14 - 05:51:23 | -290 |
| Bishop | 05:46:16 | -22.0 | Dark | Up | 71.7 | 140.1 | Up | 05:41:12 - 05:51:21 | -347 |
| Beatty | 05:46:11 | -23.1 | Dark | Up | 72.8 | 143.3 | Up | 05:41:06 - 05:51:15 | -378 |
| Indian Springs | 05:46:07 | -23.8 | Dark | Up | 73.6 | 145.6 | Up | 05:41:03 - 05:51:12 | -400 |
| Lone Pine | 05:46:15 | -22.8 | Dark | Up | 72.4 | 139.3 | Up | 05:41:10 - 05:51:19 | -425 |
| Henderson | 05:46:04 | -24.5 | Dark | Up | 74.4 | 146.6 | Up | 05:41:00 - 05:51:09 | -448 |
| Patrick | 05:46:00 | -25.5 | Dark | Up | 75.4 | 148.7 | Up | 05:40:55 - 05:51:04 | -501 |
| Searchlight/Boulder City | 05:46:04 | -25.0 | Dark | Up | 74.9 | 145.6 | Up | 05:40:59 - 05:51:08 | -509 |
| DCO | 05:45:58 | -26.0 | Dark | Up | 75.9 | 150.5 | Up | 05:40:53 - 05:51:02 | -523 |
| Kingman/Dolan Springs | 05:46:01 | -25.6 | Dark | Up | 75.5 | 147.7 | Up | 05:40:56 - 05:51:05 | -527 |
| Laughlin/Bullhead City | 05:46:03 | -25.4 | Dark | Up | 75.3 | 146.0 | Up | 05:40:58 - 05:51:07 | -537 |
| Mohave Valley | 05:46:02 | -25.7 | Dark | Up | 75.5 | 145.4 | Up | 05:40:58 - 05:51:07 | -566 |
| CPSLO | 05:46:23 | -22.7 | Dark | Up | 71.9 | 130.4 | Up | 05:41:19 - 05:51:28 | -592 |
| Lake Havasu City | 05:46:01 | -26.1 | Dark | Up | 75.9 | 145.3 | Up | 05:40:57 - 05:51:06 | -606 |
| Parker | 05:46:01 | -26.4 | Dark | Up | 76.2 | 144.6 | Up | 05:40:56 - 05:51:05 | -643 |
| Wildwood | 05:46:16 | -24.7 | Dark | Up | 73.9 | 132.2 | Up | 05:41:11 - 05:51:20 | -702 |
| Blythe | 05:46:02 | -26.8 | Dark | Up | 76.5 | 142.3 | Up | 05:40:57 - 05:51:06 | -704 |
| Idyllwild | 05:46:09 | -25.8 | Dark | Up | 75.3 | 136.2 | Up | 05:41:05 - 05:51:14 | -719 |
| Calipatria | 05:46:05 | -26.8 | Dark | Up | 76.4 | 138.1 | Up | 05:41:00 - 05:51:09 | -770 |
| Yuma | 05:46:01 | -27.6 | Dark | Up | 77.2 | 139.7 | Up | 05:40:57 - 05:51:06 | -805 |
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 14LM28, (2018/06/25 05:45UT) Object RA Dec mag sep mel Vega 18:36:56.6 +38:47:06 0.0 26.82 66 27Bet Her 16:30:13.1 +21:29:22 2.8 6.19 38 PPM 105335 16:54:55.2 +20:57:30 6.5 1.70 39 PPM 105357 16:56:20.1 +22:06:25 8.5 0.52 40 PPM 105380 16:57:13.1 +22:46:13 9.3 0.22 41 14LM28 16:56:29.5 +22:37:23 13.0 41 Positions are for J2000
Event circumstances last updated at 2018/05/24 01:36:03 UT
Marc W. Buie, Southwest Research Institute