Event between 07NC7 and star GA0960:00027488 with event index number of 2029520
Geocentric closest approach at 2027/09/28 05:16:31 UTC
J2000 position of star is 00:17:37.7 +06:41:27
Equinox of date position of star is 00:18:45.9 +06:48:48
Stellar brightness G=14.1,
use SENSEUP=64 with the MallinCam and and exposure
time of 1 seconds with the QHY174 camera.
Star is 152 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.5
[RECON map]
TNO is 32.6 AU from the Sun
and 31.6 AU from the Earth.
The TNO is moving 25.1
km/sec on the sky relative to the star, or,
4.0 arcsec/hr.
The 1-sigma error in the time of the event is 183 seconds.
The 1-sigma cross-track error in the shadow position is
3009 km.
The sky-plane scale is
22915.0 km/arcsec.
The TNO has an absolute magnitude Hv=8.4
Diameter=128.2 km assuming a 5% albedo -- 5.1 sec chord
Diameter=52.4 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
Star training set for 07NC7, (2027/09/28 05:17UT) Object RA Dec mag sep mel Algenib 00:14:40.1 +15:20:15 2.8 8.56 149 41 Psc 00:22:01.7 +08:20:39 5.4 1.67 151 PPM 143387 00:21:30.8 +06:26:47 8.3 0.73 152 PPM 143340 00:18:54.4 +06:09:54 9.5 0.68 153 PPM 143345 00:19:10.0 +07:03:07 10.1 0.21 152 07NC7 00:19:03.4 +06:50:41 14.1 152 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
4.9 sigma about the mid-time.
The median site spacing is 18.3 km
RECON observability=1.0 and success probability=12.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kamloops | 05:16:56 | -31.3 | Dark | Down | 35.5 | 130.2 | Up | 05:01:56 - 05:31:56 | 2325 |
| Victoria | 05:17:09 | -31.2 | Dark | Down | 35.3 | 125.8 | Up | 05:02:09 - 05:32:09 | 2291 |
| Peachland | 05:16:58 | -32.2 | Dark | Down | 36.4 | 130.3 | Up | 05:01:58 - 05:31:58 | 2261 |
| Kelowna | 05:16:57 | -32.3 | Dark | Down | 36.5 | 130.7 | Up | 05:01:57 - 05:31:57 | 2259 |
| Summerland | 05:16:58 | -32.4 | Dark | Down | 36.5 | 130.3 | Up | 05:01:58 - 05:31:58 | 2251 |
| Penticton | 05:16:58 | -32.5 | Dark | Down | 36.6 | 130.4 | Up | 05:01:58 - 05:31:58 | 2244 |
| Oliver | 05:16:59 | -32.7 | Dark | Down | 36.9 | 130.2 | Up | 05:01:59 - 05:31:59 | 2225 |
| Anarchist Mountain Observatory | 05:16:59 | -32.9 | Dark | Down | 37.1 | 130.3 | Up | 05:01:59 - 05:31:59 | 2211 |
| Tonasket | 05:17:01 | -33.1 | Dark | Down | 37.2 | 130.1 | Up | 05:02:01 - 05:32:01 | 2195 |
| Okanogan | 05:17:02 | -33.2 | Dark | Down | 37.4 | 129.7 | Up | 05:02:02 - 05:32:02 | 2181 |
| Brewster | 05:17:03 | -33.3 | Dark | Down | 37.5 | 129.4 | Up | 05:02:03 - 05:32:03 | 2171 |
| Manson/Chelan | 05:17:05 | -33.3 | Dark | Down | 37.4 | 128.8 | Up | 05:02:05 - 05:32:05 | 2170 |
| Wenatchee | 05:17:06 | -33.5 | Dark | Down | 37.6 | 128.4 | Up | 05:02:06 - 05:32:06 | 2147 |
| Ellensburg | 05:17:08 | -33.7 | Dark | Down | 37.8 | 127.9 | Up | 05:02:08 - 05:32:08 | 2130 |
| Yakima | 05:17:09 | -33.9 | Dark | Down | 38.0 | 127.6 | Up | 05:02:09 - 05:32:09 | 2107 |
| Toppenish/White Swan | 05:17:10 | -34.2 | Dark | Down | 38.2 | 127.7 | Up | 05:02:10 - 05:32:10 | 2090 |
| Goldendale | 05:17:12 | -34.3 | Dark | Down | 38.3 | 126.9 | Up | 05:02:12 - 05:32:12 | 2070 |
| The Dalles | 05:17:14 | -34.3 | Dark | Down | 38.3 | 126.4 | Up | 05:02:14 - 05:32:14 | 2066 |
| Maupin | 05:17:15 | -34.6 | Dark | Down | 38.6 | 126.2 | Up | 05:02:15 - 05:32:15 | 2039 |
| PNWRO | 05:17:08 | -35.2 | Dark | Down | 39.3 | 129.1 | Up | 05:02:08 - 05:32:08 | 2026 |
| Sleaford | 05:16:22 | -35.8 | Dark | Down | 40.3 | 147.3 | Up | 05:01:22 - 05:31:22 | 2022 |
| Sisters | 05:17:19 | -34.9 | Dark | Down | 38.8 | 125.2 | Up | 05:02:19 - 05:32:19 | 2000 |
| Bend | 05:17:19 | -35.2 | Dark | Down | 39.1 | 125.3 | Up | 05:02:19 - 05:32:19 | 1978 |
| Oregon Observatory | 05:17:20 | -35.2 | Dark | Down | 39.1 | 125.0 | Up | 05:02:20 - 05:32:20 | 1972 |
| North Lake | 05:17:21 | -35.9 | Dark | Down | 39.8 | 125.2 | Up | 05:02:21 - 05:32:21 | 1916 |
| Chiloquin | 05:17:25 | -35.8 | Dark | Down | 39.6 | 123.7 | Up | 05:02:25 - 05:32:25 | 1902 |
| Klamath Falls | 05:17:25 | -36.1 | Dark | Down | 39.9 | 123.6 | Up | 05:02:25 - 05:32:25 | 1878 |
| Lakeview | 05:17:22 | -36.9 | Dark | Down | 40.8 | 125.0 | Up | 05:02:22 - 05:32:22 | 1833 |
| Fall River/Burney | 05:17:28 | -37.0 | Dark | Down | 40.8 | 123.1 | Up | 05:02:28 - 05:32:28 | 1790 |
| Cedarville | 05:17:24 | -37.4 | Dark | Down | 41.3 | 124.7 | Up | 05:02:24 - 05:32:24 | 1785 |
| Susanville | 05:17:29 | -37.8 | Dark | Down | 41.6 | 123.4 | Up | 05:02:29 - 05:32:29 | 1726 |
| Greenville | 05:17:30 | -37.8 | Dark | Down | 41.6 | 122.9 | Up | 05:02:30 - 05:32:30 | 1716 |
| Gimple | 05:17:30 | -37.9 | Dark | Down | 41.6 | 123.0 | Up | 05:02:30 - 05:32:30 | 1714 |
| Quincy | 05:17:31 | -37.9 | Dark | Down | 41.7 | 122.8 | Up | 05:02:31 - 05:32:31 | 1703 |
| Portola | 05:17:30 | -38.3 | Dark | Down | 42.0 | 123.2 | Up | 05:02:30 - 05:32:30 | 1680 |
| Reno | 05:17:29 | -38.9 | Dark | Down | 42.6 | 123.6 | Up | 05:02:29 - 05:32:29 | 1641 |
| Carson City | 05:17:30 | -39.1 | Dark | Down | 42.8 | 123.4 | Up | 05:02:30 - 05:32:30 | 1616 |
| Gardnerville | 05:17:31 | -39.3 | Dark | Down | 43.0 | 123.3 | Up | 05:02:31 - 05:32:31 | 1598 |
| Yerington | 05:17:29 | -39.6 | Dark | Down | 43.3 | 123.9 | Up | 05:02:29 - 05:32:29 | 1582 |
| Hawthorne | 05:17:29 | -40.2 | Dark | Down | 43.9 | 124.1 | Up | 05:02:29 - 05:32:29 | 1533 |
| Lee Vining | 05:17:32 | -40.3 | Dark | Down | 43.9 | 123.1 | Up | 05:02:32 - 05:32:32 | 1510 |
| Tonopah | 05:17:27 | -41.4 | Dark | Down | 45.1 | 125.2 | Up | 05:02:27 - 05:32:27 | 1455 |
| Bishop | 05:17:32 | -41.1 | Dark | Down | 44.7 | 123.4 | Up | 05:02:32 - 05:32:32 | 1443 |
| Beatty | 05:17:29 | -42.4 | Dark | Down | 46.1 | 124.7 | Up | 05:02:29 - 05:32:29 | 1356 |
| Indian Springs | 05:17:27 | -43.3 | Dark | Down | 47.0 | 125.6 | Up | 05:02:27 - 05:32:27 | 1295 |
| Henderson | 05:17:27 | -44.0 | Dark | Down | 47.7 | 125.9 | Up | 05:02:27 - 05:32:27 | 1232 |
| Dunrhomin | 05:16:49 | -46.1 | Dark | Down | 50.3 | 141.5 | Up | 05:01:49 - 05:31:49 | 1217 |
| Wildwood | 05:17:40 | -42.9 | Dark | Down | 46.4 | 120.4 | Up | 05:02:40 - 05:32:40 | 1209 |
| Laughlin/Bullhead City | 05:17:28 | -44.9 | Dark | Down | 48.5 | 125.6 | Up | 05:02:28 - 05:32:28 | 1152 |
| Patrick | 05:17:26 | -45.1 | Dark | Down | 48.8 | 126.6 | Up | 05:02:26 - 05:32:26 | 1147 |
| Kingman/Dolan Springs | 05:17:27 | -45.2 | Dark | Down | 48.8 | 126.2 | Up | 05:02:27 - 05:32:27 | 1136 |
| Mohave Valley | 05:17:29 | -45.0 | Dark | Down | 48.7 | 125.3 | Up | 05:02:29 - 05:32:29 | 1131 |
| Idyllwild | 05:17:38 | -44.4 | Dark | Down | 47.9 | 122.0 | Up | 05:02:38 - 05:32:38 | 1117 |
| Lake Havasu City | 05:17:30 | -45.5 | Dark | Down | 49.1 | 125.2 | Up | 05:02:30 - 05:32:30 | 1092 |
| Parker | 05:17:31 | -45.7 | Dark | Down | 49.3 | 124.9 | Up | 05:02:31 - 05:32:31 | 1064 |
| Calipatria | 05:17:36 | -45.5 | Dark | Down | 49.0 | 122.6 | Up | 05:02:36 - 05:32:36 | 1027 |
| Yuma | 05:17:35 | -46.4 | Dark | Down | 49.9 | 123.2 | Up | 05:02:35 - 05:32:35 | 962 |
| George/Scottsdale | 05:17:25 | -47.5 | Dark | Down | 51.2 | 127.3 | Up | 05:02:25 - 05:32:25 | 945 |
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 07NC7, (2027/09/28 05:17UT) Object RA Dec mag sep mel Algenib 00:13:14.2 +15:11:01 2.8 8.56 149 41 Psc 00:20:35.9 +08:11:25 5.4 1.67 151 PPM 143387 00:20:05.1 +06:17:33 8.3 0.73 152 PPM 143340 00:17:28.8 +06:00:40 9.5 0.68 153 PPM 143345 00:17:44.3 +06:53:53 10.1 0.21 152 07NC7 00:17:37.7 +06:41:27 14.1 152 Positions are for J2000
Event circumstances last updated at 2022/01/29 00:07:28 UT
Marc W. Buie, Southwest Research Institute