Event between (60621) 00FE8 and star GA0720:05200206 with event index number of 342690
Geocentric closest approach at 2019/03/08 09:36:55 UTC
J2000 position of star is 14:22:43.0 -17:44:14
Equinox of date position of star is 14:23:46.6 -17:49:24
Stellar brightness G=13.1,
use SENSEUP=32
Star is 147 degrees from the moon.
Moon is 3% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 41.0 AU from the Sun
and 40.4 AU from the Earth.
The TNO is moving 13.4
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 862 seconds.
The 1-sigma cross-track error in the shadow position is
5398 km.
The sky-plane scale is
29299.4 km/arcsec.
The TNO has an absolute magnitude Hv=6.9
Diameter=251.2 km assuming a 5% albedo -- 18.8 sec chord
Diameter=102.6 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is 5:2EEE
Star training set for 60621, (2019/03/08 09:37UT) Object RA Dec mag sep mel Spica 13:26:12.4 -11:15:39 1.0 15.39 161 PPM 228604 14:19:42.1 -18:48:14 5.9 1.38 147 PPM 228650 14:21:57.1 -17:34:08 8.5 0.50 147 PPM 228696 14:23:49.4 -17:52:50 9.5 0.06 146 60621 14:23:46.8 -17:49:25 13.1 146 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
1.0 sigma about the mid-time.
The median site spacing is 12.3 km
RECON observability=0.9 and success probability=2.8%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 09:40:20 | -41.0 | Dark | Down | 19.1 | 155.6 | Really Low | 09:25:20 - 09:55:20 | 7749 |
Summerland | 09:40:21 | -41.2 | Dark | Down | 19.0 | 155.3 | Really Low | 09:25:21 - 09:55:21 | 7739 |
Penticton | 09:40:20 | -41.4 | Dark | Down | 19.4 | 155.4 | Really Low | 09:25:20 - 09:55:20 | 7727 |
Okanagan Falls | 09:40:21 | -41.6 | Dark | Down | 19.5 | 155.4 | Really Low | 09:25:21 - 09:55:21 | 7717 |
Oliver | 09:40:21 | -41.7 | Dark | Down | 19.7 | 155.4 | Really Low | 09:25:21 - 09:55:21 | 7709 |
Anarchist Mountain Observatory | 09:40:20 | -41.8 | Dark | Down | 19.9 | 155.5 | Really Low | 09:25:20 - 09:55:20 | 7704 |
Oroville | 09:40:20 | -41.9 | Dark | Down | 19.9 | 155.4 | Really Low | 09:25:20 - 09:55:20 | 7698 |
Tonasket | 09:40:21 | -42.1 | Dark | Down | 20.1 | 155.4 | Low | 09:25:21 - 09:55:21 | 7686 |
Okanogan | 09:40:22 | -42.4 | Dark | Down | 20.4 | 155.2 | Low | 09:25:22 - 09:55:22 | 7665 |
Brewster | 09:40:24 | -42.7 | Dark | Down | 20.6 | 155.0 | Low | 09:25:24 - 09:55:24 | 7647 |
Manson/Chelan | 09:40:26 | -43.0 | Dark | Down | 20.7 | 154.6 | Low | 09:25:26 - 09:55:26 | 7627 |
Entiat | 09:40:26 | -43.2 | Dark | Down | 20.9 | 154.5 | Low | 09:25:26 - 09:55:26 | 7614 |
Wenatchee | 09:40:28 | -43.5 | Dark | Down | 21.1 | 154.4 | Low | 09:25:28 - 09:55:28 | 7598 |
Ellensburg | 09:40:29 | -43.9 | Dark | Down | 21.4 | 154.1 | Low | 09:25:29 - 09:55:29 | 7570 |
Pasco | 09:40:23 | -44.0 | Dark | Down | 22.5 | 155.3 | Low | 09:25:23 - 09:55:23 | 7561 |
PNWRO | 09:40:23 | -44.1 | Dark | Down | 22.8 | 155.5 | Low | 09:25:23 - 09:55:23 | 7552 |
Yakima | 09:40:29 | -44.3 | Dark | Down | 21.7 | 154.0 | Low | 09:25:29 - 09:55:29 | 7547 |
Toppenish/White Swan | 09:40:30 | -44.4 | Dark | Down | 22.0 | 154.1 | Low | 09:25:30 - 09:55:30 | 7539 |
George/Umatilla | 09:40:26 | -44.4 | Dark | Down | 22.7 | 155.1 | Low | 09:25:26 - 09:55:26 | 7537 |
Niwot | 09:39:15 | -41.6 | Dark | Down | 31.4 | 168.6 | Up | 09:24:15 - 09:54:15 | 7503 |
Goldendale | 09:40:33 | -45.0 | Dark | Down | 22.4 | 153.6 | Low | 09:25:33 - 09:55:33 | 7498 |
SwRI | 09:39:15 | -41.8 | Dark | Down | 31.5 | 168.5 | Up | 09:24:15 - 09:54:15 | 7495 |
The Dalles | 09:40:35 | -45.3 | Dark | Down | 22.4 | 153.2 | Low | 09:25:35 - 09:55:35 | 7476 |
Maupin | 09:40:35 | -45.6 | Dark | Down | 22.9 | 153.3 | Low | 09:25:35 - 09:55:35 | 7454 |
Madras/Culver | 09:40:36 | -46.1 | Dark | Down | 23.3 | 153.1 | Low | 09:25:36 - 09:55:36 | 7421 |
Redmond | 09:40:37 | -46.5 | Dark | Down | 23.6 | 153.0 | Low | 09:25:37 - 09:55:37 | 7399 |
Sisters | 09:40:38 | -46.6 | Dark | Down | 23.5 | 152.6 | Low | 09:25:38 - 09:55:38 | 7391 |
Bend | 09:40:38 | -46.7 | Dark | Down | 23.8 | 152.8 | Low | 09:25:38 - 09:55:38 | 7383 |
Oregon Observatory | 09:40:39 | -46.9 | Dark | Down | 23.9 | 152.7 | Low | 09:25:39 - 09:55:39 | 7369 |
La Pine/Gilchrist | 09:40:39 | -47.1 | Dark | Down | 24.1 | 152.6 | Low | 09:25:39 - 09:55:39 | 7355 |
North Lake | 09:40:38 | -47.2 | Dark | Down | 24.6 | 153.1 | Low | 09:25:38 - 09:55:38 | 7343 |
Paisley | 09:40:36 | -47.5 | Dark | Down | 25.2 | 153.3 | Low | 09:25:36 - 09:55:36 | 7318 |
Lakeview | 09:40:36 | -47.9 | Dark | Down | 25.8 | 153.4 | Low | 09:25:36 - 09:55:36 | 7291 |
Chiloquin | 09:40:39 | -48.2 | Dark | Down | 24.9 | 152.0 | Low | 09:25:39 - 09:55:39 | 7278 |
Klamath Falls | 09:40:39 | -48.4 | Dark | Down | 25.2 | 152.0 | Low | 09:25:39 - 09:55:39 | 7259 |
Cedarville | 09:40:36 | -48.3 | Dark | Down | 26.4 | 153.4 | Low | 09:25:36 - 09:55:36 | 7254 |
Tulelake | 09:40:39 | -48.5 | Dark | Down | 25.6 | 152.2 | Low | 09:25:39 - 09:55:39 | 7249 |
Fall River/Burney | 09:40:39 | -49.3 | Dark | Down | 26.4 | 152.1 | Low | 09:25:39 - 09:55:39 | 7193 |
Susanville | 09:40:38 | -49.5 | Dark | Down | 27.2 | 152.7 | Low | 09:25:38 - 09:55:38 | 7170 |
Gimple | 09:40:39 | -49.8 | Dark | Down | 27.4 | 152.4 | Low | 09:25:39 - 09:55:39 | 7147 |
Greenville | 09:40:39 | -49.8 | Dark | Down | 27.4 | 152.3 | Low | 09:25:39 - 09:55:39 | 7145 |
Portola | 09:40:39 | -49.9 | Dark | Down | 27.8 | 152.7 | Low | 09:25:39 - 09:55:39 | 7135 |
Reno | 09:40:37 | -49.8 | Dark | Down | 28.3 | 153.3 | Low | 09:25:37 - 09:55:37 | 7134 |
Quincy | 09:40:39 | -50.0 | Dark | Down | 27.6 | 152.3 | Low | 09:25:39 - 09:55:39 | 7132 |
Yerington | 09:40:33 | -49.9 | Dark | Down | 29.0 | 153.8 | Low | 09:25:33 - 09:55:33 | 7114 |
Carson City | 09:40:36 | -50.1 | Dark | Down | 28.6 | 153.2 | Low | 09:25:36 - 09:55:36 | 7111 |
Tonopah | 09:40:24 | -49.7 | Dark | Down | 30.5 | 155.6 | Up | 09:25:24 - 09:55:24 | 7100 |
Hawthorne | 09:40:31 | -50.1 | Dark | Down | 29.6 | 154.2 | Low | 09:25:31 - 09:55:31 | 7096 |
Gardnerville | 09:40:37 | -50.3 | Dark | Down | 28.9 | 153.2 | Low | 09:25:37 - 09:55:37 | 7095 |
Lee Vining | 09:40:34 | -50.7 | Dark | Down | 30.0 | 153.6 | Low | 09:25:34 - 09:55:34 | 7045 |
Indian Springs | 09:40:17 | -50.0 | Dark | Down | 32.3 | 156.8 | Up | 09:25:17 - 09:55:17 | 7037 |
Beatty | 09:40:22 | -50.4 | Dark | Down | 31.7 | 155.7 | Up | 09:25:22 - 09:55:22 | 7032 |
Bishop | 09:40:32 | -50.8 | Dark | Down | 30.7 | 154.2 | Up | 09:25:32 - 09:55:32 | 7023 |
Henderson | 09:40:14 | -50.0 | Dark | Down | 33.1 | 157.4 | Up | 09:25:14 - 09:55:14 | 7017 |
Patrick | 09:40:07 | -49.8 | Dark | Down | 34.0 | 158.4 | Up | 09:25:07 - 09:55:07 | 7001 |
DCO | 09:40:04 | -49.6 | Dark | Down | 34.5 | 159.1 | Up | 09:25:04 - 09:55:04 | 6997 |
Kingman/Dolan Springs | 09:40:08 | -50.1 | Dark | Down | 34.1 | 158.1 | Up | 09:25:08 - 09:55:08 | 6980 |
Lone Pine | 09:40:31 | -51.3 | Dark | Down | 31.5 | 154.3 | Up | 09:25:31 - 09:55:31 | 6978 |
Searchlight/Boulder City | 09:40:12 | -50.4 | Dark | Down | 33.6 | 157.3 | Up | 09:25:12 - 09:55:12 | 6978 |
Laughlin/Bullhead City | 09:40:12 | -50.4 | Dark | Down | 34.0 | 157.6 | Up | 09:25:12 - 09:55:12 | 6966 |
Mohave Valley | 09:40:11 | -50.6 | Dark | Down | 34.2 | 157.5 | Up | 09:25:11 - 09:55:11 | 6947 |
Lake Havasu City | 09:40:10 | -50.7 | Dark | Down | 34.7 | 157.7 | Up | 09:25:10 - 09:55:10 | 6924 |
Parker | 09:40:10 | -50.9 | Dark | Down | 35.0 | 157.6 | Up | 09:25:10 - 09:55:10 | 6900 |
Blythe | 09:40:11 | -51.4 | Dark | Down | 35.4 | 157.1 | Up | 09:25:11 - 09:55:11 | 6854 |
CPSLO | 09:40:39 | -53.6 | Dark | Down | 31.8 | 151.3 | Up | 09:25:39 - 09:55:39 | 6819 |
Idyllwild | 09:40:25 | -52.6 | Dark | Down | 34.6 | 154.9 | Up | 09:25:25 - 09:55:25 | 6808 |
Calipatria | 09:40:17 | -52.3 | Dark | Down | 35.6 | 156.0 | Up | 09:25:17 - 09:55:17 | 6794 |
Yuma | 09:40:12 | -52.1 | Dark | Down | 36.2 | 156.8 | Up | 09:25:12 - 09:55:12 | 6785 |
Wildwood | 09:40:37 | -53.4 | Dark | Down | 33.6 | 153.1 | Up | 09:25:37 - 09:55:37 | 6785 |
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 60621, (2019/03/08 09:37UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 15.39 161 PPM 228604 14:18:38.2 -18:42:58 5.9 1.38 147 PPM 228650 14:20:53.4 -17:28:55 8.5 0.50 147 PPM 228696 14:22:45.6 -17:47:39 9.5 0.06 146 60621 14:22:43.0 -17:44:14 13.1 146 Positions are for J2000
Event circumstances last updated at 2019/02/12 06:36:36 UT
Marc W. Buie, Southwest Research Institute