Event between 15AJ281 and star GA0660:05396502 with event index number of 1009135
Geocentric closest approach at 2020/11/28 12:26:05 UTC
J2000 position of star is 11:05:16.2 -22:50:14
Equinox of date position of star is 11:06:17.5 -22:57:00
Stellar brightness G=15.5,
use SENSEUP=128
Star is 124 degrees from the moon.
Moon is 97% illuminated.
TNO apparent brightness V=26.4
[RECON map]
TNO is 42.4 AU from the Sun
and 42.7 AU from the Earth.
The TNO is moving 19.2
km/sec on the sky relative to the star, or,
2.2 arcsec/hr.
The 1-sigma error in the time of the event is 99 seconds.
The 1-sigma cross-track error in the shadow position is
2365 km.
The sky-plane scale is
30994.5 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=567.6 km assuming a 5% albedo -- 3.1 sec chord
Diameter=231.7 km assuming a 30% albedo -- 1.3 sec chord
Dynamical classification is SCATEXTD
Star training set for 15AJ281, (2020/11/28 12:26UT) Object RA Dec mag sep mel Spica 13:26:17.9 -11:16:11 1.0 35.32 157 4Gam Crv 12:16:53.1 -17:39:29 2.6 17.36 141 11Bet Crt 11:12:41.4 -22:56:25 4.5 1.47 126 PPM 258507 11:05:39.1 -22:53:45 8.2 0.16 124 15AJ281 11:06:17.7 -22:57:01 15.5 125 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 16.0 km
RECON observability=0.4 and success probability=16.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Niwot | 12:21:08 | -18.7 | Dark | Down | 24.8 | 161.4 | Low | 12:12:21 - 12:29:55 | -239 |
| SwRI | 12:21:08 | -18.8 | Dark | Down | 24.9 | 161.3 | Low | 12:12:21 - 12:29:55 | -251 |
| Clarence Fulton | 12:20:41 | -29.7 | Dark | Up | 11.4 | 149.6 | Really Low | 12:11:54 - 12:29:28 | -722 |
| Kelowna | 12:20:42 | -29.8 | Dark | Up | 11.7 | 149.4 | Really Low | 12:11:55 - 12:29:29 | -755 |
| Peachland | 12:20:42 | -30.0 | Dark | Up | 11.7 | 149.1 | Really Low | 12:11:55 - 12:29:29 | -779 |
| Penticton | 12:20:42 | -29.9 | Dark | Up | 12.0 | 149.3 | Really Low | 12:11:55 - 12:29:29 | -780 |
| Summerland | 12:20:42 | -30.0 | Dark | Up | 11.9 | 149.2 | Really Low | 12:11:55 - 12:29:29 | -782 |
| Anarchist Mountain Observatory | 12:20:42 | -29.8 | Dark | Up | 12.5 | 149.4 | Really Low | 12:11:55 - 12:29:29 | -797 |
| Oliver | 12:20:42 | -29.9 | Dark | Up | 12.3 | 149.2 | Really Low | 12:11:55 - 12:29:29 | -800 |
| Tonasket | 12:20:43 | -29.8 | Dark | Up | 12.7 | 149.3 | Really Low | 12:11:56 - 12:29:30 | -820 |
| Okanogan | 12:20:43 | -29.9 | Dark | Up | 13.0 | 149.1 | Really Low | 12:11:56 - 12:29:30 | -849 |
| Brewster | 12:20:43 | -30.1 | Dark | Up | 13.1 | 148.9 | Really Low | 12:11:56 - 12:29:30 | -878 |
| Manson/Chelan | 12:20:43 | -30.3 | Dark | Up | 13.2 | 148.6 | Really Low | 12:11:56 - 12:29:30 | -913 |
| Entiat | 12:20:43 | -30.4 | Dark | Up | 13.3 | 148.5 | Really Low | 12:11:56 - 12:29:30 | -931 |
| PNWRO | 12:20:46 | -29.4 | Dark | Up | 15.2 | 149.4 | Really Low | 12:11:59 - 12:29:33 | -941 |
| Pasco | 12:20:45 | -29.6 | Dark | Up | 14.9 | 149.3 | Really Low | 12:11:58 - 12:29:32 | -942 |
| Wenatchee | 12:20:43 | -30.4 | Dark | Up | 13.5 | 148.4 | Really Low | 12:11:56 - 12:29:30 | -952 |
| Ellensburg | 12:20:44 | -30.6 | Dark | Up | 13.8 | 148.1 | Really Low | 12:11:57 - 12:29:31 | -991 |
| Yakima | 12:20:44 | -30.6 | Dark | Up | 14.1 | 148.1 | Really Low | 12:11:57 - 12:29:31 | -1016 |
| Toppenish/White Swan | 12:20:45 | -30.5 | Dark | Up | 14.4 | 148.2 | Really Low | 12:11:58 - 12:29:32 | -1018 |
| George/Scottsdale | 12:21:15 | -22.6 | Dark | Up | 28.6 | 153.7 | Low | 12:12:28 - 12:30:02 | -1074 |
| Victoria | 12:20:41 | -32.5 | Dark | Up | 11.5 | 145.8 | Really Low | 12:11:54 - 12:29:28 | -1077 |
| Goldendale | 12:20:45 | -30.8 | Dark | Up | 14.7 | 147.7 | Really Low | 12:11:58 - 12:29:32 | -1079 |
| DCO | 12:21:11 | -23.9 | Dark | Up | 26.9 | 152.7 | Low | 12:12:24 - 12:29:58 | -1110 |
| The Dalles | 12:20:46 | -31.0 | Dark | Up | 14.7 | 147.4 | Really Low | 12:11:59 - 12:29:33 | -1117 |
| Maupin | 12:20:46 | -31.0 | Dark | Up | 15.1 | 147.4 | Really Low | 12:11:59 - 12:29:33 | -1135 |
| Patrick | 12:21:09 | -24.6 | Dark | Up | 26.4 | 152.1 | Low | 12:12:22 - 12:29:56 | -1152 |
| Kingman/Dolan Springs | 12:21:09 | -24.7 | Dark | Up | 26.5 | 151.9 | Low | 12:12:22 - 12:29:56 | -1178 |
| Redmond | 12:20:48 | -31.0 | Dark | Up | 15.9 | 147.2 | Really Low | 12:12:01 - 12:29:35 | -1196 |
| Henderson | 12:21:07 | -25.6 | Dark | Up | 25.4 | 151.2 | Low | 12:12:20 - 12:29:54 | -1208 |
| Bend | 12:20:47 | -31.1 | Dark | Up | 16.0 | 147.0 | Really Low | 12:12:00 - 12:29:34 | -1218 |
| Sisters | 12:20:47 | -31.3 | Dark | Up | 15.7 | 146.9 | Really Low | 12:12:00 - 12:29:34 | -1221 |
| Laughlin/Bullhead City | 12:21:09 | -25.1 | Dark | Up | 26.3 | 151.4 | Low | 12:12:22 - 12:29:56 | -1221 |
| Searchlight/Boulder City | 12:21:08 | -25.4 | Dark | Up | 25.9 | 151.2 | Low | 12:12:21 - 12:29:55 | -1233 |
| Indian Springs | 12:21:05 | -26.2 | Dark | Up | 24.6 | 150.7 | Low | 12:12:18 - 12:29:52 | -1234 |
| Mohave Valley | 12:21:09 | -25.0 | Dark | Up | 26.6 | 151.4 | Low | 12:12:22 - 12:29:56 | -1235 |
| Lake Havasu City | 12:21:10 | -24.8 | Dark | Up | 27.0 | 151.5 | Low | 12:12:23 - 12:29:57 | -1236 |
| Oregon Observatory | 12:20:47 | -31.2 | Dark | Up | 16.1 | 146.9 | Really Low | 12:12:00 - 12:29:34 | -1237 |
| North Lake | 12:20:48 | -30.8 | Dark | Up | 16.8 | 147.3 | Really Low | 12:12:01 - 12:29:35 | -1238 |
| Paisley | 12:20:50 | -30.5 | Dark | Up | 17.4 | 147.5 | Really Low | 12:12:03 - 12:29:37 | -1247 |
| Parker | 12:21:11 | -24.7 | Dark | Up | 27.3 | 151.4 | Low | 12:12:24 - 12:29:58 | -1252 |
| La Pine/Gilchrist | 12:20:47 | -31.3 | Dark | Up | 16.2 | 146.8 | Really Low | 12:12:00 - 12:29:34 | -1253 |
| Lakeview | 12:20:50 | -30.4 | Dark | Up | 17.9 | 147.6 | Really Low | 12:12:03 - 12:29:37 | -1263 |
| Tonopah | 12:21:00 | -27.6 | Dark | Up | 22.7 | 149.6 | Low | 12:12:13 - 12:29:47 | -1271 |
| Cedarville | 12:20:51 | -30.2 | Dark | Up | 18.6 | 147.6 | Really Low | 12:12:04 - 12:29:38 | -1290 |
| Beatty | 12:21:02 | -27.1 | Dark | Up | 23.9 | 149.8 | Low | 12:12:15 - 12:29:49 | -1300 |
| Blythe | 12:21:12 | -24.8 | Dark | Up | 27.7 | 151.0 | Low | 12:12:25 - 12:29:59 | -1304 |
| Hawthorne | 12:20:58 | -28.8 | Dark | Up | 21.8 | 148.4 | Low | 12:12:11 - 12:29:45 | -1352 |
| Yuma | 12:21:14 | -24.7 | Dark | Up | 28.5 | 150.8 | Low | 12:12:27 - 12:30:01 | -1356 |
| Klamath Falls | 12:20:49 | -31.4 | Dark | Up | 17.3 | 146.3 | Really Low | 12:12:02 - 12:29:36 | -1361 |
| Yerington | 12:20:56 | -29.2 | Dark | Up | 21.1 | 148.1 | Low | 12:12:09 - 12:29:43 | -1364 |
| Reno | 12:20:55 | -29.8 | Dark | Up | 20.4 | 147.6 | Low | 12:12:08 - 12:29:42 | -1380 |
| Susanville | 12:20:53 | -30.5 | Dark | Up | 19.3 | 147.0 | Really Low | 12:12:06 - 12:29:40 | -1390 |
| Bishop | 12:21:01 | -28.5 | Dark | Up | 22.9 | 148.4 | Low | 12:12:14 - 12:29:48 | -1400 |
| Carson City | 12:20:57 | -29.8 | Dark | Up | 20.7 | 147.5 | Low | 12:12:10 - 12:29:44 | -1400 |
| Fall River/Burney | 12:20:52 | -31.1 | Dark | Up | 18.5 | 146.5 | Really Low | 12:12:05 - 12:29:39 | -1405 |
| Calipatria | 12:21:12 | -25.5 | Dark | Up | 27.7 | 150.0 | Low | 12:12:25 - 12:29:59 | -1406 |
| Gardnerville | 12:20:56 | -29.7 | Dark | Up | 20.9 | 147.5 | Low | 12:12:09 - 12:29:43 | -1411 |
| Portola | 12:20:54 | -30.3 | Dark | Up | 19.9 | 147.1 | Really Low | 12:12:07 - 12:29:41 | -1412 |
| Lee Vining | 12:20:59 | -29.1 | Dark | Up | 22.0 | 147.9 | Low | 12:12:12 - 12:29:46 | -1421 |
| Gimple | 12:20:54 | -30.6 | Dark | Up | 19.5 | 146.8 | Really Low | 12:12:07 - 12:29:41 | -1421 |
| Greenville | 12:20:54 | -30.7 | Dark | Up | 19.4 | 146.7 | Really Low | 12:12:07 - 12:29:41 | -1428 |
| Quincy | 12:20:54 | -30.7 | Dark | Up | 19.6 | 146.7 | Really Low | 12:12:07 - 12:29:41 | -1439 |
| Idyllwild | 12:21:11 | -26.6 | Dark | Up | 26.7 | 149.1 | Low | 12:12:24 - 12:29:58 | -1470 |
| Wildwood | 12:21:08 | -28.2 | Dark | Up | 25.5 | 147.5 | Low | 12:12:21 - 12:29:55 | -1601 |
| CPSLO | 12:21:04 | -30.1 | Dark | Up | 23.6 | 145.9 | Low | 12:12:17 - 12:29:51 | -1692 |
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 15AJ281, (2020/11/28 12:26UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 35.32 157 4Gam Crv 12:15:48.1 -17:32:31 2.6 17.36 141 11Bet Crt 11:11:39.5 -22:49:35 4.5 1.47 126 PPM 258507 11:04:37.6 -22:46:58 8.2 0.16 124 15AJ281 11:05:16.2 -22:50:14 15.5 124 Positions are for J2000
Event circumstances last updated at 2020/10/28 20:44:14 UT
Marc W. Buie, Southwest Research Institute