Event between 13AR183 and star GA1000:03368522 with event index number of 245720
Geocentric closest approach at 2020/02/02 09:28:17 UTC
J2000 position of star is 09:40:07.1 +11:08:33
Equinox of date position of star is 09:41:06.6 +11:03:30
Stellar brightness G=13.0,
use SENSEUP=32
Star is 97 degrees from the moon.
Moon is 53% illuminated.
TNO apparent brightness V=22.8
[RECON map]
TNO is 47.8 AU from the Sun
and 46.9 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 394 seconds.
The 1-sigma cross-track error in the shadow position is
2973 km.
The sky-plane scale is
33984.9 km/arcsec.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 15.1 sec chord
Diameter=155.2 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is 11:3EEEEEEEE
Star training set for 13AR183, (2020/02/02 09:28UT) Object RA Dec mag sep mel Regulus 10:09:26.4 +11:52:06 1.3 6.97 103 14Omi Leo 09:42:13.3 +09:48:00 3.5 1.28 97 PPM 126656 09:39:50.3 +10:41:09 7.1 0.49 97 PPM 126673 09:40:25.9 +10:57:46 9.7 0.21 97 13AR183 09:41:11.9 +11:03:03 13.0 97 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
2.3 sigma about the mid-time.
The median site spacing is 19.0 km
RECON observability=1.0 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) |
| Penticton | 09:29:35 | -53.8 | Dark | Down | 50.7 | 195.4 | Up | 09:14:35 - 09:44:35 | 12167 |
| Oroville | 09:29:34 | -54.3 | Dark | Down | 51.3 | 195.8 | Up | 09:14:34 - 09:44:34 | 12123 |
| Tonasket | 09:29:33 | -54.4 | Dark | Down | 51.5 | 195.9 | Up | 09:14:33 - 09:44:33 | 12105 |
| Okanogan | 09:29:33 | -54.8 | Dark | Down | 51.9 | 195.7 | Up | 09:14:33 - 09:44:33 | 12075 |
| Brewster | 09:29:33 | -55.1 | Dark | Down | 52.2 | 195.5 | Up | 09:14:33 - 09:44:33 | 12048 |
| Manson/Chelan | 09:29:34 | -55.4 | Dark | Down | 52.4 | 195.0 | Up | 09:14:34 - 09:44:34 | 12022 |
| Entiat | 09:29:33 | -55.6 | Dark | Down | 52.7 | 195.0 | Up | 09:14:33 - 09:44:33 | 12002 |
| Wenatchee | 09:29:33 | -55.9 | Dark | Down | 52.9 | 194.9 | Up | 09:14:33 - 09:44:33 | 11979 |
| Ellensburg | 09:29:34 | -56.3 | Dark | Down | 53.4 | 194.7 | Up | 09:14:34 - 09:44:34 | 11940 |
| Pasco | 09:29:28 | -56.4 | Dark | Down | 53.8 | 197.2 | Up | 09:14:28 - 09:44:28 | 11919 |
| Yakima | 09:29:34 | -56.6 | Dark | Down | 53.8 | 194.8 | Up | 09:14:34 - 09:44:34 | 11907 |
| PNWRO | 09:29:29 | -56.5 | Dark | Down | 54.0 | 197.7 | Up | 09:14:29 - 09:44:29 | 11905 |
| Toppenish/White Swan | 09:29:33 | -56.7 | Dark | Down | 53.9 | 195.1 | Up | 09:14:33 - 09:44:33 | 11894 |
| George/Umatilla | 09:29:29 | -56.7 | Dark | Down | 54.2 | 197.0 | Up | 09:14:29 - 09:44:29 | 11886 |
| Niwot | 09:28:36 | -52.8 | Dark | Down | 54.1 | 222.9 | Up | 09:13:36 - 09:43:36 | 11841 |
| Goldendale | 09:29:33 | -57.4 | Dark | Down | 54.6 | 194.6 | Up | 09:14:33 - 09:44:33 | 11837 |
| The Dalles | 09:29:33 | -57.7 | Dark | Down | 54.8 | 194.1 | Up | 09:14:33 - 09:44:33 | 11808 |
| Maupin | 09:29:32 | -58.0 | Dark | Down | 55.2 | 194.4 | Up | 09:14:32 - 09:44:32 | 11776 |
| Madras/Culver | 09:29:32 | -58.5 | Dark | Down | 55.8 | 194.5 | Up | 09:14:32 - 09:44:32 | 11730 |
| Redmond | 09:29:32 | -58.8 | Dark | Down | 56.1 | 194.6 | Up | 09:14:32 - 09:44:32 | 11698 |
| Sisters | 09:29:33 | -58.9 | Dark | Down | 56.2 | 193.9 | Up | 09:14:33 - 09:44:33 | 11689 |
| Bend | 09:29:32 | -59.0 | Dark | Down | 56.4 | 194.4 | Up | 09:14:32 - 09:44:32 | 11676 |
| Oregon Observatory | 09:29:31 | -59.2 | Dark | Down | 56.5 | 194.3 | Up | 09:14:31 - 09:44:31 | 11658 |
| La Pine/Gilchrist | 09:29:31 | -59.4 | Dark | Down | 56.8 | 194.2 | Up | 09:14:31 - 09:44:31 | 11639 |
| North Lake | 09:29:28 | -59.5 | Dark | Down | 57.1 | 195.4 | Up | 09:14:28 - 09:44:28 | 11619 |
| Paisley | 09:29:27 | -59.8 | Dark | Down | 57.5 | 196.3 | Up | 09:14:27 - 09:44:27 | 11583 |
| Lakeview | 09:29:24 | -60.1 | Dark | Down | 58.0 | 196.9 | Up | 09:14:24 - 09:44:24 | 11545 |
| Chiloquin | 09:29:29 | -60.5 | Dark | Down | 57.9 | 194.0 | Up | 09:14:29 - 09:44:29 | 11534 |
| Klamath Falls | 09:29:30 | -60.7 | Dark | Down | 58.2 | 194.3 | Up | 09:14:30 - 09:44:30 | 11506 |
| Cedarville | 09:29:23 | -60.6 | Dark | Down | 58.6 | 197.5 | Up | 09:14:23 - 09:44:23 | 11494 |
| Tulelake | 09:29:27 | -60.8 | Dark | Down | 58.4 | 194.9 | Up | 09:14:27 - 09:44:27 | 11492 |
| Fall River/Burney | 09:29:27 | -61.5 | Dark | Down | 59.3 | 195.5 | Up | 09:14:27 - 09:44:27 | 11415 |
| Susanville | 09:29:23 | -61.7 | Dark | Down | 59.7 | 197.1 | Up | 09:14:23 - 09:44:23 | 11382 |
| Gimple | 09:29:22 | -62.0 | Dark | Down | 60.0 | 196.9 | Up | 09:14:22 - 09:44:22 | 11352 |
| Greenville | 09:29:23 | -62.0 | Dark | Down | 60.1 | 196.7 | Up | 09:14:23 - 09:44:23 | 11349 |
| Portola | 09:29:21 | -62.1 | Dark | Down | 60.3 | 197.8 | Up | 09:14:21 - 09:44:21 | 11335 |
| Quincy | 09:29:22 | -62.2 | Dark | Down | 60.3 | 196.8 | Up | 09:14:22 - 09:44:22 | 11332 |
| Reno | 09:29:19 | -61.9 | Dark | Down | 60.4 | 199.2 | Up | 09:14:19 - 09:44:19 | 11331 |
| Yerington | 09:29:17 | -62.0 | Dark | Down | 60.7 | 200.8 | Up | 09:14:17 - 09:44:17 | 11303 |
| Carson City | 09:29:18 | -62.2 | Dark | Down | 60.7 | 199.4 | Up | 09:14:18 - 09:44:18 | 11300 |
| Tonopah | 09:29:08 | -61.6 | Dark | Down | 61.0 | 205.1 | Up | 09:14:08 - 09:44:08 | 11281 |
| Gardnerville | 09:29:18 | -62.3 | Dark | Down | 60.9 | 199.7 | Up | 09:14:18 - 09:44:18 | 11280 |
| Hawthorne | 09:29:14 | -62.0 | Dark | Down | 61.0 | 202.1 | Up | 09:14:14 - 09:44:14 | 11278 |
| Lee Vining | 09:29:13 | -62.7 | Dark | Down | 61.7 | 201.5 | Up | 09:14:13 - 09:44:13 | 11213 |
| Indian Springs | 09:28:59 | -61.6 | Dark | Down | 61.8 | 209.2 | Up | 09:13:59 - 09:43:59 | 11199 |
| Beatty | 09:29:04 | -62.1 | Dark | Down | 61.9 | 206.9 | Up | 09:14:04 - 09:44:04 | 11193 |
| Bishop | 09:29:11 | -62.7 | Dark | Down | 62.0 | 203.3 | Up | 09:14:11 - 09:44:11 | 11182 |
| Henderson | 09:28:56 | -61.5 | Dark | Down | 62.0 | 211.0 | Up | 09:13:56 - 09:43:56 | 11174 |
| Patrick | 09:28:52 | -61.1 | Dark | Down | 62.0 | 213.7 | Up | 09:13:52 - 09:43:52 | 11155 |
| DCO | 09:28:49 | -60.8 | Dark | Down | 61.9 | 215.3 | Up | 09:13:49 - 09:43:49 | 11152 |
| Kingman/Dolan Springs | 09:28:52 | -61.4 | Dark | Down | 62.3 | 213.5 | Up | 09:13:52 - 09:43:52 | 11129 |
| Searchlight/Boulder City | 09:28:56 | -61.8 | Dark | Down | 62.4 | 211.7 | Up | 09:13:56 - 09:43:56 | 11125 |
| Lone Pine | 09:29:09 | -63.0 | Dark | Down | 62.6 | 204.6 | Up | 09:14:09 - 09:44:09 | 11124 |
| Laughlin/Bullhead City | 09:28:55 | -61.7 | Dark | Down | 62.5 | 212.6 | Up | 09:13:55 - 09:43:55 | 11110 |
| Mohave Valley | 09:28:55 | -61.9 | Dark | Down | 62.7 | 212.9 | Up | 09:13:55 - 09:43:55 | 11085 |
| Lake Havasu City | 09:28:53 | -61.9 | Dark | Down | 63.0 | 213.8 | Up | 09:13:53 - 09:43:53 | 11057 |
| Parker | 09:28:51 | -62.1 | Dark | Down | 63.3 | 214.2 | Up | 09:13:51 - 09:43:51 | 11027 |
| Blythe | 09:28:52 | -62.6 | Dark | Down | 63.8 | 214.2 | Up | 09:13:52 - 09:43:52 | 10969 |
| CPSLO | 09:29:13 | -65.5 | Dark | Down | 64.6 | 200.1 | Up | 09:14:13 - 09:44:13 | 10922 |
| Idyllwild | 09:28:59 | -64.0 | Dark | Down | 64.7 | 209.9 | Up | 09:13:59 - 09:43:59 | 10908 |
| Calipatria | 09:28:53 | -63.5 | Dark | Down | 64.7 | 212.9 | Up | 09:13:53 - 09:43:53 | 10892 |
| Yuma | 09:28:49 | -63.1 | Dark | Down | 64.6 | 215.2 | Up | 09:13:49 - 09:43:49 | 10883 |
| Wildwood | 09:29:04 | -65.0 | Dark | Down | 65.1 | 205.6 | Up | 09:14:04 - 09:44:04 | 10878 |
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 13AR183, (2020/02/02 09:28UT) Object RA Dec mag sep mel Regulus 10:08:22.0 +11:58:02 1.3 6.97 103 14Omi Leo 09:41:08.9 +09:53:32 3.5 1.28 97 PPM 126656 09:38:45.6 +10:46:38 7.1 0.49 97 PPM 126673 09:39:21.1 +11:03:16 9.7 0.21 97 13AR183 09:40:07.1 +11:08:33 13.0 97 Positions are for J2000
Event circumstances last updated at 2018/06/12 19:52:21 UT
Marc W. Buie, Southwest Research Institute