Event between (136472) Makemake and star GA1140:03427726 with event index number of 313781
Geocentric closest approach at 2019/03/09 09:20:42 UTC
J2000 position of star is 13:06:10.9 +24:12:23
Equinox of date position of star is 13:07:06.5 +24:06:15
Stellar brightness G=14.7,
use SENSEUP=128
Star is 153 degrees from the moon.
Moon is 7% illuminated.
TNO apparent brightness V=17.0
[RECON map]
TNO is 52.5 AU from the Sun
and 51.7 AU from the Earth.
The TNO is moving 25.2
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 80 seconds.
The 1-sigma cross-track error in the shadow position is
1953 km.
The sky-plane scale is
37503.0 km/arcsec.
The TNO has an absolute magnitude Hv=-0.2
Diameter=6607.2 km assuming a 5% albedo -- 262.5 sec chord
Diameter=2697.4 km assuming a 30% albedo -- 107.2 sec chord
Dynamical classification is SCATEXTD
Star training set for 136472, (2019/03/09 09:21UT) Object RA Dec mag sep mel Arcturus 14:16:32.2 +19:05:00 0.0 16.89 154 Vindemiatrix 13:03:07.9 +10:51:23 2.8 13.28 166 39 Com 13:07:17.3 +21:03:03 6.0 3.05 156 PPM 102400 13:08:57.8 +24:43:45 7.9 0.75 152 PPM 102388 13:07:47.6 +24:39:58 10.0 0.58 152 PPM 102362 13:06:05.5 +24:06:07 11.4 0.23 153 136472 13:07:06.6 +24:06:14 14.7 153 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 14.0 km
RECON observability=1.0 and success probability=0.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 09:22:05 | -42.0 | Dark | Down | 63.4 | 162.2 | Up | 09:14:57 - 09:29:12 | 7988 |
| Summerland | 09:22:04 | -42.4 | Dark | Down | 63.7 | 161.4 | Up | 09:14:56 - 09:29:11 | 7951 |
| Penticton | 09:22:05 | -42.4 | Dark | Down | 63.8 | 161.6 | Up | 09:14:57 - 09:29:12 | 7950 |
| Okanagan Falls | 09:22:05 | -42.6 | Dark | Down | 63.9 | 161.4 | Up | 09:14:57 - 09:29:12 | 7932 |
| Oliver | 09:22:05 | -42.7 | Dark | Down | 64.1 | 161.4 | Up | 09:14:57 - 09:29:12 | 7918 |
| Anarchist Mountain Observatory | 09:22:02 | -42.8 | Dark | Down | 64.3 | 161.6 | Up | 09:14:55 - 09:29:10 | 7909 |
| Oroville | 09:22:03 | -42.9 | Dark | Down | 64.3 | 161.4 | Up | 09:14:56 - 09:29:11 | 7900 |
| Tonasket | 09:22:02 | -43.1 | Dark | Down | 64.6 | 161.3 | Up | 09:14:55 - 09:29:10 | 7879 |
| Okanogan | 09:22:02 | -43.5 | Dark | Down | 64.9 | 160.7 | Up | 09:14:54 - 09:29:09 | 7843 |
| Brewster | 09:22:02 | -43.8 | Dark | Down | 65.1 | 160.1 | Up | 09:14:55 - 09:29:10 | 7810 |
| Manson/Chelan | 09:22:04 | -44.1 | Dark | Down | 65.2 | 159.2 | Up | 09:14:57 - 09:29:12 | 7778 |
| Entiat | 09:22:03 | -44.3 | Dark | Down | 65.4 | 158.9 | Up | 09:14:56 - 09:29:11 | 7755 |
| Niwot | 09:21:07 | -44.0 | Dark | Down | 73.5 | 197.4 | Up | 09:13:59 - 09:28:14 | 7748 |
| SwRI | 09:21:07 | -44.1 | Dark | Down | 73.6 | 197.2 | Up | 09:13:59 - 09:28:14 | 7734 |
| Wenatchee | 09:22:02 | -44.6 | Dark | Down | 65.6 | 158.5 | Up | 09:14:54 - 09:29:09 | 7728 |
| Ellensburg | 09:22:03 | -45.0 | Dark | Down | 65.9 | 157.7 | Up | 09:14:56 - 09:29:11 | 7681 |
| Pasco | 09:21:57 | -45.2 | Dark | Down | 66.9 | 160.1 | Up | 09:14:49 - 09:29:04 | 7667 |
| PNWRO | 09:21:54 | -45.4 | Dark | Down | 67.2 | 160.4 | Up | 09:14:47 - 09:29:02 | 7654 |
| Yakima | 09:22:02 | -45.4 | Dark | Down | 66.3 | 157.3 | Up | 09:14:55 - 09:29:10 | 7643 |
| Toppenish/White Swan | 09:22:00 | -45.5 | Dark | Down | 66.5 | 157.4 | Up | 09:14:53 - 09:29:08 | 7630 |
| George/Umatilla | 09:21:58 | -45.6 | Dark | Down | 67.2 | 159.4 | Up | 09:14:50 - 09:29:05 | 7628 |
| Goldendale | 09:22:00 | -46.1 | Dark | Down | 66.9 | 156.0 | Up | 09:14:53 - 09:29:08 | 7562 |
| The Dalles | 09:22:01 | -46.5 | Dark | Down | 67.0 | 155.0 | Up | 09:14:54 - 09:29:09 | 7527 |
| Maupin | 09:22:01 | -46.8 | Dark | Down | 67.4 | 154.8 | Up | 09:14:54 - 09:29:09 | 7492 |
| Madras/Culver | 09:21:58 | -47.3 | Dark | Down | 67.9 | 154.1 | Up | 09:14:51 - 09:29:06 | 7439 |
| Redmond | 09:21:58 | -47.7 | Dark | Down | 68.2 | 153.6 | Up | 09:14:50 - 09:29:05 | 7404 |
| Sisters | 09:22:01 | -47.8 | Dark | Down | 68.1 | 152.7 | Up | 09:14:54 - 09:29:09 | 7390 |
| Bend | 09:21:59 | -47.9 | Dark | Down | 68.3 | 153.0 | Up | 09:14:51 - 09:29:06 | 7378 |
| Oregon Observatory | 09:22:00 | -48.1 | Dark | Down | 68.5 | 152.5 | Up | 09:14:52 - 09:29:07 | 7357 |
| La Pine/Gilchrist | 09:22:00 | -48.3 | Dark | Down | 68.6 | 152.1 | Up | 09:14:52 - 09:29:07 | 7335 |
| North Lake | 09:21:57 | -48.5 | Dark | Down | 69.2 | 153.0 | Up | 09:14:50 - 09:29:05 | 7318 |
| Paisley | 09:21:53 | -48.9 | Dark | Down | 69.8 | 153.2 | Up | 09:14:46 - 09:29:01 | 7280 |
| Lakeview | 09:21:54 | -49.3 | Dark | Down | 70.3 | 153.0 | Up | 09:14:46 - 09:29:01 | 7240 |
| Chiloquin | 09:21:58 | -49.4 | Dark | Down | 69.5 | 149.9 | Up | 09:14:50 - 09:29:05 | 7215 |
| Klamath Falls | 09:21:58 | -49.7 | Dark | Down | 69.8 | 149.6 | Up | 09:14:50 - 09:29:05 | 7186 |
| Cedarville | 09:21:52 | -49.8 | Dark | Down | 71.0 | 152.6 | Up | 09:14:44 - 09:28:59 | 7186 |
| Tulelake | 09:21:56 | -49.8 | Dark | Down | 70.1 | 149.9 | Up | 09:14:49 - 09:29:04 | 7173 |
| Fall River/Burney | 09:21:53 | -50.6 | Dark | Down | 70.9 | 148.8 | Up | 09:14:45 - 09:29:00 | 7089 |
| Susanville | 09:21:50 | -50.9 | Dark | Down | 71.8 | 149.7 | Up | 09:14:42 - 09:28:57 | 7060 |
| Gimple | 09:21:51 | -51.3 | Dark | Down | 71.9 | 148.7 | Up | 09:14:43 - 09:28:58 | 7025 |
| Greenville | 09:21:51 | -51.3 | Dark | Down | 71.9 | 148.5 | Up | 09:14:43 - 09:28:58 | 7022 |
| Reno | 09:21:47 | -51.4 | Dark | Down | 72.8 | 150.6 | Up | 09:14:39 - 09:28:54 | 7013 |
| Portola | 09:21:49 | -51.4 | Dark | Down | 72.4 | 149.3 | Up | 09:14:42 - 09:28:57 | 7011 |
| Quincy | 09:21:51 | -51.5 | Dark | Down | 72.1 | 148.2 | Up | 09:14:43 - 09:28:58 | 7003 |
| Yerington | 09:21:42 | -51.6 | Dark | Down | 73.6 | 151.6 | Up | 09:14:35 - 09:28:50 | 6989 |
| Tonopah | 09:21:36 | -51.6 | Dark | Down | 75.1 | 156.1 | Up | 09:14:28 - 09:28:43 | 6988 |
| Carson City | 09:21:45 | -51.7 | Dark | Down | 73.2 | 150.1 | Up | 09:14:37 - 09:28:52 | 6980 |
| Hawthorne | 09:21:42 | -51.8 | Dark | Down | 74.2 | 152.4 | Up | 09:14:34 - 09:28:49 | 6968 |
| Gardnerville | 09:21:46 | -51.9 | Dark | Down | 73.4 | 149.8 | Up | 09:14:38 - 09:28:53 | 6959 |
| Indian Springs | 09:21:27 | -52.1 | Dark | Down | 76.9 | 159.2 | Up | 09:14:19 - 09:28:34 | 6920 |
| DCO | 09:21:16 | -52.0 | Dark | Down | 78.9 | 167.6 | Up | 09:14:08 - 09:28:23 | 6906 |
| Henderson | 09:21:24 | -52.2 | Dark | Down | 77.6 | 161.0 | Up | 09:14:16 - 09:28:31 | 6904 |
| Beatty | 09:21:30 | -52.4 | Dark | Down | 76.3 | 155.7 | Up | 09:14:22 - 09:28:37 | 6900 |
| Patrick | 09:21:18 | -52.1 | Dark | Down | 78.4 | 164.8 | Up | 09:14:11 - 09:28:26 | 6900 |
| Lee Vining | 09:21:40 | -52.5 | Dark | Down | 74.5 | 149.9 | Up | 09:14:33 - 09:28:48 | 6893 |
| Kingman/Dolan Springs | 09:21:20 | -52.4 | Dark | Down | 78.6 | 163.7 | Up | 09:14:13 - 09:28:28 | 6870 |
| Bishop | 09:21:38 | -52.7 | Dark | Down | 75.3 | 151.1 | Up | 09:14:31 - 09:28:46 | 6869 |
| Searchlight/Boulder City | 09:21:24 | -52.6 | Dark | Down | 78.1 | 160.4 | Up | 09:14:17 - 09:28:32 | 6853 |
| Laughlin/Bullhead City | 09:21:21 | -52.7 | Dark | Down | 78.5 | 161.4 | Up | 09:14:13 - 09:28:28 | 6842 |
| Mohave Valley | 09:21:21 | -52.9 | Dark | Down | 78.8 | 161.0 | Up | 09:14:13 - 09:28:28 | 6817 |
| Lone Pine | 09:21:33 | -53.2 | Dark | Down | 76.1 | 150.7 | Up | 09:14:26 - 09:28:41 | 6812 |
| Lake Havasu City | 09:21:19 | -53.0 | Dark | Down | 79.2 | 161.4 | Up | 09:14:12 - 09:28:27 | 6792 |
| Parker | 09:21:17 | -53.3 | Dark | Down | 79.5 | 160.9 | Up | 09:14:10 - 09:28:25 | 6761 |
| Blythe | 09:21:17 | -53.9 | Dark | Down | 80.0 | 158.5 | Up | 09:14:10 - 09:28:25 | 6698 |
| Yuma | 09:21:14 | -54.6 | Dark | Down | 80.8 | 156.1 | Up | 09:14:06 - 09:28:21 | 6609 |
| Calipatria | 09:21:20 | -54.7 | Dark | Down | 80.1 | 152.8 | Up | 09:14:13 - 09:28:28 | 6605 |
| Idyllwild | 09:21:24 | -54.9 | Dark | Down | 79.1 | 149.1 | Up | 09:14:17 - 09:28:32 | 6605 |
| CPSLO | 09:21:40 | -55.4 | Dark | Down | 75.9 | 139.3 | Up | 09:14:33 - 09:28:48 | 6571 |
| Wildwood | 09:21:31 | -55.5 | Dark | Down | 77.9 | 142.8 | Up | 09:14:24 - 09:28:39 | 6549 |
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 136472, (2019/03/09 09:21UT) Object RA Dec mag sep mel Arcturus 14:15:38.2 +19:10:18 0.0 16.89 154 Vindemiatrix 13:02:10.3 +10:57:33 2.8 13.28 166 39 Com 13:06:21.1 +21:09:11 6.0 3.05 156 PPM 102400 13:08:02.3 +24:49:52 7.9 0.75 152 PPM 102388 13:06:52.1 +24:46:06 10.0 0.58 152 PPM 102362 13:05:09.7 +24:12:16 11.4 0.23 153 136472 13:06:10.9 +24:12:23 14.7 153 Positions are for J2000
Event circumstances last updated at 2019/02/27 19:28:12 UT
Marc W. Buie, Southwest Research Institute