Event between 14GK54 and star GA0720:05726586 with event index number of 1046714
Geocentric closest approach at 2020/08/21 04:42:12 UTC
J2000 position of star is 15:51:36.8 -16:48:40
Equinox of date position of star is 15:52:45.8 -16:52:14
Stellar brightness G=15.5,
use SENSEUP=128
Star is 62 degrees from the moon.
Moon is 6% illuminated.
TNO apparent brightness V=24.5
[RECON map]
TNO is 26.6 AU from the Sun
and 26.6 AU from the Earth.
The TNO is moving 6.0
km/sec on the sky relative to the star, or,
1.1 arcsec/hr.
The 1-sigma error in the time of the event is 763 seconds.
The 1-sigma cross-track error in the shadow position is
1604 km.
The sky-plane scale is
19272.1 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=140.0 km assuming a 5% albedo -- 10.1 sec chord
Diameter=57.1 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
Star training set for 14GK54, (2020/08/21 04:42UT) Object RA Dec mag sep mel Antares 16:30:40.6 -26:28:34 0.9 13.02 73 8Bet1Sco 16:06:38.4 -19:51:37 2.6 4.44 66 46The Lib 15:55:00.2 -16:47:19 4.3 0.54 63 PPM 230825 15:51:39.5 -17:24:36 7.9 0.60 62 PPM 230844 15:52:14.8 -17:03:42 8.7 0.23 62 14GK54 15:52:47.4 -16:52:19 15.5 62 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 59.9 km
RECON observability=0.2 and success probability=0.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Clarence Fulton | 04:49:47 | -15.2 | AT | Down | 12.1 | 224.0 | Really Low | 04:34:47 - 05:04:47 | 7362 |
| Kelowna | 04:49:50 | -15.4 | AT | Down | 12.4 | 223.9 | Really Low | 04:34:50 - 05:04:50 | 7345 |
| Peachland | 04:49:49 | -15.3 | AT | Down | 12.6 | 223.7 | Really Low | 04:34:49 - 05:04:49 | 7344 |
| Summerland | 04:49:50 | -15.5 | AT | Down | 12.7 | 223.8 | Really Low | 04:34:50 - 05:04:50 | 7335 |
| Penticton | 04:49:52 | -15.6 | AT | Down | 12.7 | 223.9 | Really Low | 04:34:52 - 05:04:52 | 7330 |
| Victoria | 04:49:25 | -14.2 | AT | Down | 15.2 | 220.6 | Really Low | 04:34:25 - 05:04:25 | 7328 |
| Oliver | 04:49:59 | -15.8 | AT | Down | 12.9 | 224.0 | Really Low | 04:34:59 - 05:04:59 | 7313 |
| Anarchist Mountain Observatory | 04:50:03 | -16.0 | AT | Down | 12.9 | 224.2 | Really Low | 04:35:03 - 05:05:03 | 7302 |
| Tonasket | 04:50:03 | -16.2 | AT | Down | 13.2 | 224.2 | Really Low | 04:35:03 - 05:05:03 | 7287 |
| Okanogan | 04:50:06 | -16.3 | AT | Down | 13.5 | 224.1 | Really Low | 04:35:06 - 05:05:06 | 7272 |
| Brewster | 04:50:04 | -16.4 | AT | Down | 13.8 | 224.0 | Really Low | 04:35:04 - 05:05:04 | 7260 |
| Manson/Chelan | 04:50:04 | -16.4 | AT | Down | 14.1 | 223.7 | Really Low | 04:35:04 - 05:05:04 | 7254 |
| Entiat | 04:50:06 | -16.5 | AT | Down | 14.3 | 223.7 | Really Low | 04:35:06 - 05:05:06 | 7244 |
| Wenatchee | 04:50:08 | -16.6 | AT | Down | 14.5 | 223.7 | Really Low | 04:35:08 - 05:05:08 | 7232 |
| Ellensburg | 04:50:10 | -16.7 | AT | Down | 14.9 | 223.6 | Really Low | 04:35:10 - 05:05:10 | 7213 |
| Yakima | 04:50:15 | -17.0 | AT | Down | 15.2 | 223.6 | Really Low | 04:35:15 - 05:05:15 | 7191 |
| Toppenish/White Swan | 04:50:17 | -17.2 | AT | Down | 15.3 | 223.8 | Really Low | 04:35:17 - 05:05:17 | 7176 |
| Goldendale | 04:50:20 | -17.4 | AT | Down | 15.9 | 223.6 | Really Low | 04:35:20 - 05:05:20 | 7152 |
| Pasco | 04:50:34 | -18.0 | Dark | Down | 14.7 | 225.0 | Really Low | 04:35:34 - 05:05:34 | 7152 |
| The Dalles | 04:50:17 | -17.3 | AT | Down | 16.2 | 223.3 | Really Low | 04:35:17 - 05:05:17 | 7144 |
| PNWRO | 04:50:35 | -18.3 | Dark | Down | 14.8 | 225.2 | Really Low | 04:35:35 - 05:05:35 | 7135 |
| Maupin | 04:50:22 | -17.6 | AT | Down | 16.5 | 223.5 | Really Low | 04:35:22 - 05:05:22 | 7119 |
| Sisters | 04:50:26 | -17.9 | AT | Down | 17.4 | 223.3 | Really Low | 04:35:26 - 05:05:26 | 7076 |
| Redmond | 04:50:29 | -18.2 | Dark | Down | 17.2 | 223.6 | Really Low | 04:35:29 - 05:05:29 | 7069 |
| Bend | 04:50:31 | -18.2 | Dark | Down | 17.4 | 223.6 | Really Low | 04:35:31 - 05:05:31 | 7059 |
| Oregon Observatory | 04:50:31 | -18.3 | Dark | Down | 17.6 | 223.5 | Really Low | 04:35:31 - 05:05:31 | 7051 |
| La Pine/Gilchrist | 04:50:32 | -18.4 | Dark | Down | 17.8 | 223.5 | Really Low | 04:35:32 - 05:05:32 | 7040 |
| North Lake | 04:50:45 | -19.0 | Dark | Down | 17.7 | 224.1 | Really Low | 04:35:45 - 05:05:45 | 7005 |
| Paisley | 04:50:52 | -19.6 | Dark | Down | 17.9 | 224.6 | Really Low | 04:35:52 - 05:05:52 | 6967 |
| Klamath Falls | 04:50:44 | -19.1 | Dark | Down | 18.9 | 223.6 | Really Low | 04:35:44 - 05:05:44 | 6956 |
| Lakeview | 04:51:02 | -20.0 | Dark | Down | 18.2 | 224.9 | Really Low | 04:36:02 - 05:06:02 | 6933 |
| Cedarville | 04:51:08 | -20.6 | Dark | Down | 18.5 | 225.2 | Really Low | 04:36:08 - 05:06:08 | 6890 |
| Fall River/Burney | 04:50:58 | -20.1 | Dark | Down | 19.5 | 224.3 | Really Low | 04:35:58 - 05:05:58 | 6877 |
| Susanville | 04:51:15 | -21.0 | Dark | Down | 19.6 | 225.1 | Really Low | 04:36:15 - 05:06:15 | 6826 |
| Greenville | 04:51:12 | -21.0 | Dark | Down | 19.9 | 224.9 | Really Low | 04:36:12 - 05:06:12 | 6813 |
| Gimple | 04:51:15 | -21.0 | Dark | Down | 19.9 | 225.0 | Really Low | 04:36:15 - 05:06:15 | 6811 |
| Quincy | 04:51:15 | -21.1 | Dark | Down | 20.1 | 225.0 | Low | 04:36:15 - 05:06:15 | 6799 |
| Portola | 04:51:23 | -21.5 | Dark | Down | 19.9 | 225.5 | Really Low | 04:36:23 - 05:06:23 | 6784 |
| Reno | 04:51:30 | -22.1 | Dark | Down | 19.7 | 226.1 | Really Low | 04:36:30 - 05:06:30 | 6757 |
| Carson City | 04:51:34 | -22.3 | Dark | Down | 19.9 | 226.2 | Really Low | 04:36:34 - 05:06:34 | 6732 |
| Gardnerville | 04:51:37 | -22.5 | Dark | Down | 20.0 | 226.3 | Low | 04:36:37 - 05:06:37 | 6715 |
| Yerington | 04:51:43 | -22.8 | Dark | Down | 19.7 | 226.8 | Really Low | 04:36:43 - 05:06:43 | 6709 |
| Hawthorne | 04:51:54 | -23.5 | Dark | Down | 19.6 | 227.4 | Really Low | 04:36:54 - 05:06:54 | 6669 |
| Lee Vining | 04:51:52 | -23.5 | Dark | Down | 20.3 | 227.2 | Low | 04:36:52 - 05:06:52 | 6640 |
| Tonopah | 04:52:16 | -24.7 | Dark | Down | 19.1 | 228.8 | Really Low | 04:37:16 - 05:07:16 | 6614 |
| Bishop | 04:52:06 | -24.4 | Dark | Down | 20.3 | 228.0 | Low | 04:37:06 - 05:07:06 | 6586 |
| Niwot | 04:53:42 | -29.8 | Dark | Down | 10.1 | 237.7 | Really Low | 04:38:42 - 05:08:42 | 6530 |
| Beatty | 04:52:29 | -25.7 | Dark | Down | 19.5 | 229.5 | Really Low | 04:37:29 - 05:07:29 | 6525 |
| SwRI | 04:53:44 | -29.9 | Dark | Down | 10.3 | 237.6 | Really Low | 04:38:44 - 05:08:44 | 6524 |
| Indian Springs | 04:52:42 | -26.7 | Dark | Down | 19.0 | 230.4 | Really Low | 04:37:42 - 05:07:42 | 6483 |
| CPSLO | 04:51:58 | -24.2 | Dark | Down | 23.0 | 226.7 | Low | 04:36:58 - 05:06:58 | 6477 |
| Henderson | 04:52:56 | -27.5 | Dark | Down | 18.9 | 231.2 | Really Low | 04:37:56 - 05:07:56 | 6431 |
| Searchlight/Boulder City | 04:52:59 | -27.9 | Dark | Down | 19.2 | 231.4 | Really Low | 04:37:59 - 05:07:59 | 6389 |
| Patrick | 04:53:12 | -28.6 | Dark | Down | 18.5 | 232.2 | Really Low | 04:38:12 - 05:08:12 | 6365 |
| Laughlin/Bullhead City | 04:53:08 | -28.3 | Dark | Down | 19.2 | 231.7 | Really Low | 04:38:08 - 05:08:08 | 6360 |
| Wildwood | 04:52:32 | -26.4 | Dark | Down | 22.5 | 228.8 | Low | 04:37:32 - 05:07:32 | 6354 |
| Kingman/Dolan Springs | 04:53:13 | -28.6 | Dark | Down | 18.8 | 232.1 | Really Low | 04:38:13 - 05:08:13 | 6352 |
| Mohave Valley | 04:53:10 | -28.5 | Dark | Down | 19.3 | 231.8 | Really Low | 04:38:10 - 05:08:10 | 6340 |
| DCO | 04:53:23 | -29.3 | Dark | Down | 18.2 | 232.9 | Really Low | 04:38:23 - 05:08:23 | 6329 |
| Lake Havasu City | 04:53:16 | -28.9 | Dark | Down | 19.4 | 232.1 | Really Low | 04:38:16 - 05:08:16 | 6305 |
| Idyllwild | 04:52:57 | -27.9 | Dark | Down | 21.5 | 230.5 | Low | 04:37:57 - 05:07:57 | 6294 |
| Parker | 04:53:21 | -29.2 | Dark | Down | 19.6 | 232.3 | Really Low | 04:38:21 - 05:08:21 | 6278 |
| Blythe | 04:53:22 | -29.4 | Dark | Down | 20.1 | 232.2 | Low | 04:38:22 - 05:08:22 | 6244 |
| Calipatria | 04:53:14 | -29.1 | Dark | Down | 21.0 | 231.6 | Low | 04:38:14 - 05:08:14 | 6225 |
| George/Scottsdale | 04:53:49 | -31.1 | Dark | Down | 18.1 | 234.2 | Really Low | 04:38:49 - 05:08:49 | 6199 |
| Yuma | 04:53:30 | -30.0 | Dark | Down | 20.7 | 232.5 | Low | 04:38:30 - 05:08:30 | 6175 |
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 14GK54, (2020/08/21 04:42UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 13.02 73 8Bet1Sco 16:05:26.2 -19:48:20 2.6 4.44 66 46The Lib 15:53:49.7 -16:43:43 4.3 0.54 63 PPM 230825 15:50:28.7 -17:20:56 7.9 0.60 62 PPM 230844 15:51:04.2 -17:00:02 8.7 0.23 62 14GK54 15:51:36.8 -16:48:40 15.5 62 Positions are for J2000
Event circumstances last updated at 2020/03/11 21:11:03 UT
Marc W. Buie, Southwest Research Institute