Event between 04MU8 and star GA0700:34268426 with event index number of 276121
Geocentric closest approach at 2020/08/09 07:37:37 UTC
J2000 position of star is 20:37:08.9 -19:39:39
Equinox of date position of star is 20:38:17.0 -19:35:27
Stellar brightness G=13.5,
use SENSEUP=32
Star is 75 degrees from the moon.
Moon is 72% illuminated.
TNO apparent brightness V=22.9
[RECON map]
TNO is 47.5 AU from the Sun
and 46.5 AU from the Earth.
The TNO is moving 24.7
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 781 seconds.
The 1-sigma cross-track error in the shadow position is
5377 km.0.159 arcsec
The sky-plane scale is
33752.8 km/arcsec.
The TNO has an absolute magnitude Hv=6.1
Diameter=361.4 km assuming a 5% albedo -- 14.7 sec chord
Diameter=147.5 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is CLASSICAL
Star training set for 04MU8, (2020/08/09 07:38UT) Object RA Dec mag sep mel Fomalhaut 22:58:47.1 -29:30:45 1.2 33.30 49 38Zet Sgr 19:03:55.3 -29:50:56 2.7 23.70 97 15Ups Cap 20:41:13.2 -18:03:53 5.2 1.67 74 PPM 237612 20:35:38.5 -19:19:35 8.2 0.69 75 PPM 237688 20:38:33.5 -19:46:34 8.9 0.20 75 04MU8 20:38:19.9 -19:35:16 13.5 74 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
1.2 sigma about the mid-time.
The median site spacing is 11.3 km
RECON observability=1.0 and success probability=5.5%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Victoria | 07:36:37 | -25.1 | Dark | Up | 21.8 | 179.7 | Low | 07:21:37 - 07:51:37 | 2118 |
Clarence Fulton | 07:36:25 | -23.8 | Dark | Up | 20.0 | 183.8 | Low | 07:21:25 - 07:51:25 | 2108 |
Kelowna | 07:36:26 | -24.2 | Dark | Up | 20.4 | 183.6 | Low | 07:21:26 - 07:51:26 | 2096 |
Summerland | 07:36:26 | -24.4 | Dark | Up | 20.7 | 183.4 | Low | 07:21:26 - 07:51:26 | 2090 |
Penticton | 07:36:26 | -24.5 | Dark | Up | 20.7 | 183.6 | Low | 07:21:26 - 07:51:26 | 2085 |
Oliver | 07:36:27 | -24.9 | Dark | Up | 21.1 | 183.6 | Low | 07:21:27 - 07:51:27 | 2071 |
Anarchist Mountain Observatory | 07:36:25 | -25.0 | Dark | Up | 21.3 | 183.8 | Low | 07:21:25 - 07:51:25 | 2060 |
Tonasket | 07:36:26 | -25.3 | Dark | Up | 21.6 | 183.7 | Low | 07:21:26 - 07:51:26 | 2049 |
Okanogan | 07:36:26 | -25.7 | Dark | Up | 21.9 | 183.6 | Low | 07:21:26 - 07:51:26 | 2038 |
Brewster | 07:36:27 | -25.9 | Dark | Up | 22.2 | 183.4 | Low | 07:21:27 - 07:51:27 | 2030 |
Manson/Chelan | 07:36:28 | -26.1 | Dark | Up | 22.4 | 183.0 | Low | 07:21:28 - 07:51:28 | 2029 |
Entiat | 07:36:28 | -26.3 | Dark | Up | 22.6 | 182.9 | Low | 07:21:28 - 07:51:28 | 2021 |
Wenatchee | 07:36:29 | -26.5 | Dark | Up | 22.9 | 182.8 | Low | 07:21:29 - 07:51:29 | 2012 |
Ellensburg | 07:36:30 | -26.9 | Dark | Up | 23.3 | 182.6 | Low | 07:21:30 - 07:51:30 | 1999 |
Yakima | 07:36:30 | -27.3 | Dark | Up | 23.7 | 182.6 | Low | 07:21:30 - 07:51:30 | 1982 |
Toppenish/White Swan | 07:36:30 | -27.6 | Dark | Up | 23.9 | 182.8 | Low | 07:21:30 - 07:51:30 | 1968 |
Goldendale | 07:36:31 | -28.1 | Dark | Up | 24.5 | 182.4 | Low | 07:21:31 - 07:51:31 | 1952 |
The Dalles | 07:36:32 | -28.2 | Dark | Up | 24.7 | 182.0 | Low | 07:21:32 - 07:51:32 | 1950 |
Pasco | 07:36:25 | -27.8 | Dark | Up | 24.0 | 184.1 | Low | 07:21:25 - 07:51:25 | 1936 |
Maupin | 07:36:32 | -28.7 | Dark | Up | 25.1 | 182.1 | Low | 07:21:32 - 07:51:32 | 1928 |
PNWRO | 07:36:25 | -28.1 | Dark | Up | 24.2 | 184.3 | Low | 07:21:25 - 07:51:25 | 1920 |
Sisters | 07:36:34 | -29.5 | Dark | Up | 26.0 | 181.6 | Low | 07:21:34 - 07:51:34 | 1898 |
Redmond | 07:36:33 | -29.6 | Dark | Up | 26.0 | 182.0 | Low | 07:21:33 - 07:51:33 | 1888 |
Bend | 07:36:33 | -29.7 | Dark | Up | 26.3 | 181.9 | Low | 07:21:33 - 07:51:33 | 1881 |
Oregon Observatory | 07:36:33 | -29.9 | Dark | Up | 26.4 | 181.8 | Low | 07:21:33 - 07:51:33 | 1875 |
La Pine/Gilchrist | 07:36:34 | -30.1 | Dark | Up | 26.6 | 181.7 | Low | 07:21:34 - 07:51:34 | 1867 |
North Lake | 07:36:32 | -30.6 | Dark | Up | 27.1 | 182.3 | Low | 07:21:32 - 07:51:32 | 1832 |
Klamath Falls | 07:36:35 | -31.5 | Dark | Up | 28.1 | 181.4 | Low | 07:21:35 - 07:51:35 | 1800 |
Paisley | 07:36:31 | -31.2 | Dark | Up | 27.6 | 182.7 | Low | 07:21:31 - 07:51:31 | 1797 |
Lakeview | 07:36:31 | -31.7 | Dark | Up | 28.1 | 182.9 | Low | 07:21:31 - 07:51:31 | 1767 |
Fall River/Burney | 07:36:35 | -32.7 | Dark | Up | 29.3 | 181.9 | Low | 07:21:35 - 07:51:35 | 1730 |
Cedarville | 07:36:31 | -32.4 | Dark | Up | 28.7 | 183.1 | Low | 07:21:31 - 07:51:31 | 1728 |
Susanville | 07:36:32 | -33.4 | Dark | Up | 29.9 | 182.7 | Low | 07:21:32 - 07:51:32 | 1680 |
Greenville | 07:36:34 | -33.7 | Dark | Up | 30.2 | 182.4 | Up | 07:21:34 - 07:51:34 | 1671 |
Gimple | 07:36:33 | -33.7 | Dark | Up | 30.2 | 182.4 | Up | 07:21:33 - 07:51:33 | 1669 |
Quincy | 07:36:34 | -33.9 | Dark | Up | 30.4 | 182.4 | Up | 07:21:34 - 07:51:34 | 1660 |
Portola | 07:36:32 | -34.0 | Dark | Up | 30.5 | 182.9 | Up | 07:21:32 - 07:51:32 | 1642 |
Reno | 07:36:30 | -34.4 | Dark | Up | 30.7 | 183.6 | Up | 07:21:30 - 07:51:30 | 1612 |
Carson City | 07:36:30 | -34.7 | Dark | Up | 31.1 | 183.6 | Up | 07:21:30 - 07:51:30 | 1592 |
Gardnerville | 07:36:30 | -35.0 | Dark | Up | 31.3 | 183.7 | Up | 07:21:30 - 07:51:30 | 1577 |
Yerington | 07:36:28 | -35.0 | Dark | Up | 31.2 | 184.3 | Up | 07:21:28 - 07:51:28 | 1565 |
Hawthorne | 07:36:27 | -35.5 | Dark | Up | 31.7 | 184.9 | Up | 07:21:27 - 07:51:27 | 1526 |
Lee Vining | 07:36:28 | -36.0 | Dark | Up | 32.3 | 184.4 | Up | 07:21:28 - 07:51:28 | 1505 |
Tonopah | 07:36:22 | -36.1 | Dark | Up | 32.0 | 186.5 | Up | 07:21:22 - 07:51:22 | 1464 |
Bishop | 07:36:26 | -36.7 | Dark | Up | 32.8 | 185.3 | Up | 07:21:26 - 07:51:26 | 1451 |
Beatty | 07:36:21 | -37.3 | Dark | Up | 33.1 | 187.1 | Up | 07:21:21 - 07:51:21 | 1382 |
CPSLO | 07:36:35 | -38.5 | Dark | Up | 35.0 | 182.8 | Up | 07:21:35 - 07:51:35 | 1380 |
Indian Springs | 07:36:17 | -37.7 | Dark | Up | 33.3 | 188.3 | Up | 07:21:17 - 07:51:17 | 1334 |
Henderson | 07:36:15 | -38.2 | Dark | Up | 33.8 | 189.1 | Up | 07:21:15 - 07:51:15 | 1282 |
Niwot | 07:35:43 | -33.8 | Dark | Up | 28.0 | 199.0 | Low | 07:20:43 - 07:50:43 | 1260 |
SwRI | 07:35:43 | -33.9 | Dark | Up | 28.1 | 198.9 | Low | 07:20:43 - 07:50:43 | 1256 |
Wildwood | 07:36:28 | -39.9 | Dark | Up | 36.1 | 185.2 | Up | 07:21:28 - 07:51:28 | 1252 |
Searchlight/Boulder City | 07:36:15 | -38.8 | Dark | Up | 34.3 | 189.3 | Up | 07:21:15 - 07:51:15 | 1244 |
Laughlin/Bullhead City | 07:36:14 | -39.1 | Dark | Up | 34.6 | 189.7 | Up | 07:21:14 - 07:51:14 | 1215 |
Patrick | 07:36:11 | -38.9 | Dark | Up | 34.2 | 190.4 | Up | 07:21:11 - 07:51:11 | 1212 |
Kingman/Dolan Springs | 07:36:12 | -39.1 | Dark | Up | 34.5 | 190.3 | Up | 07:21:12 - 07:51:12 | 1203 |
Mohave Valley | 07:36:14 | -39.4 | Dark | Up | 34.9 | 189.7 | Up | 07:21:14 - 07:51:14 | 1197 |
Idyllwild | 07:36:22 | -40.4 | Dark | Up | 36.3 | 187.4 | Up | 07:21:22 - 07:51:22 | 1180 |
DCO | 07:36:09 | -39.2 | Dark | Up | 34.4 | 191.3 | Up | 07:21:09 - 07:51:09 | 1173 |
Lake Havasu City | 07:36:14 | -39.8 | Dark | Up | 35.2 | 190.1 | Up | 07:21:14 - 07:51:14 | 1164 |
Parker | 07:36:13 | -40.1 | Dark | Up | 35.6 | 190.1 | Up | 07:21:13 - 07:51:13 | 1140 |
Blythe | 07:36:15 | -40.7 | Dark | Up | 36.1 | 189.9 | Up | 07:21:15 - 07:51:15 | 1113 |
Calipatria | 07:36:19 | -41.1 | Dark | Up | 36.7 | 188.9 | Up | 07:21:19 - 07:51:19 | 1106 |
Yuma | 07:36:15 | -41.6 | Dark | Up | 37.0 | 189.9 | Up | 07:21:15 - 07:51:15 | 1052 |
George/Scottsdale | 07:36:05 | -40.6 | Dark | Up | 35.6 | 192.9 | Up | 07:21:05 - 07:51:05 | 1043 |
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 04MU8, (2020/08/09 07:38UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:23 1.2 33.30 49 38Zet Sgr 19:02:36.7 -29:52:49 2.7 23.70 97 15Ups Cap 20:40:02.9 -18:08:20 5.2 1.67 74 PPM 237612 20:34:27.6 -19:23:54 8.2 0.69 75 PPM 237688 20:37:22.5 -19:50:57 8.9 0.20 75 04MU8 20:37:08.9 -19:39:39 13.5 75 Positions are for J2000
Event circumstances last updated at 2019/10/11 20:23:26 UT
Marc W. Buie, Southwest Research Institute