Event between (523734) 14QV441 and star GA0840:00524564 with event index number of 1785375
Geocentric closest approach at 2027/11/30 06:45:06 UTC
J2000 position of star is 05:08:18.7 -04:51:17
Equinox of date position of star is 05:09:20.0 -04:49:45
Stellar brightness G=15.1,
use SENSEUP=128
Star is 145 degrees from the moon.
Moon is 5% illuminated.
TNO apparent brightness V=23.1
[RECON map]
TNO is 20.2 AU from the Sun
and 19.3 AU from the Earth.
The TNO is moving 22.4
km/sec on the sky relative to the star, or,
5.8 arcsec/hr.
The 1-sigma error in the time of the event is 556 seconds.
The 1-sigma cross-track error in the shadow position is
3675 km.
The sky-plane scale is
14031.4 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=109.7 km assuming a 5% albedo -- 2.7 sec chord
Diameter=44.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
Star training set for 523734, (2027/11/30 06:45UT) Object RA Dec mag sep mel Rigel 05:15:52.8 -08:10:17 0.1 3.69 143 67Bet Eri 05:09:13.5 -05:03:08 2.8 0.26 145 66 Eri 05:08:08.5 -04:37:12 5.0 0.43 145 PPM 187743 05:09:55.6 -04:21:46 8.5 0.46 146 PPM 187749 05:10:17.5 -04:57:37 9.3 0.20 145 523734 05:09:41.4 -04:49:14 15.1 146 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
1.6 sigma about the mid-time.
The median site spacing is 15.6 km
RECON observability=1.0 and success probability=3.2%
| 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 | 06:45:49 | -59.0 | Dark | Down | 30.5 | 149.5 | Up | 06:30:49 - 07:00:49 | 8534 |
| Kelowna | 06:45:50 | -59.3 | Dark | Down | 30.8 | 149.2 | Up | 06:30:50 - 07:00:50 | 8513 |
| Peachland | 06:45:51 | -59.3 | Dark | Down | 30.8 | 148.9 | Up | 06:30:51 - 07:00:51 | 8508 |
| Summerland | 06:45:51 | -59.5 | Dark | Down | 30.9 | 148.9 | Up | 06:30:51 - 07:00:51 | 8499 |
| Penticton | 06:45:52 | -59.6 | Dark | Down | 31.0 | 149.1 | Up | 06:30:52 - 07:00:52 | 8494 |
| Oliver | 06:45:52 | -59.9 | Dark | Down | 31.3 | 148.9 | Up | 06:30:52 - 07:00:52 | 8473 |
| Anarchist Mountain Observatory | 06:45:52 | -60.1 | Dark | Down | 31.6 | 149.1 | Up | 06:30:52 - 07:00:52 | 8462 |
| Victoria | 06:46:04 | -59.1 | Dark | Down | 30.5 | 144.6 | Up | 06:31:04 - 07:01:04 | 8462 |
| Tonasket | 06:45:53 | -60.4 | Dark | Down | 31.8 | 148.9 | Up | 06:30:53 - 07:00:53 | 8444 |
| Okanogan | 06:45:54 | -60.6 | Dark | Down | 32.0 | 148.7 | Up | 06:30:54 - 07:00:54 | 8425 |
| Brewster | 06:45:56 | -60.8 | Dark | Down | 32.2 | 148.4 | Up | 06:30:56 - 07:00:56 | 8410 |
| Manson/Chelan | 06:45:56 | -60.8 | Dark | Down | 32.2 | 147.9 | Up | 06:30:56 - 07:00:56 | 8400 |
| Entiat | 06:45:57 | -61.0 | Dark | Down | 32.4 | 147.7 | Up | 06:30:57 - 07:00:57 | 8387 |
| Wenatchee | 06:45:58 | -61.2 | Dark | Down | 32.6 | 147.5 | Up | 06:30:58 - 07:00:58 | 8372 |
| Ellensburg | 06:46:00 | -61.4 | Dark | Down | 32.9 | 147.2 | Up | 06:31:00 - 07:01:00 | 8348 |
| Yakima | 06:46:00 | -61.8 | Dark | Down | 33.2 | 147.0 | Up | 06:31:00 - 07:01:00 | 8322 |
| Toppenish/White Swan | 06:46:00 | -62.0 | Dark | Down | 33.4 | 147.1 | Up | 06:31:00 - 07:01:00 | 8307 |
| Pasco | 06:45:57 | -62.6 | Dark | Down | 34.0 | 148.5 | Up | 06:30:57 - 07:00:57 | 8289 |
| Goldendale | 06:46:03 | -62.3 | Dark | Down | 33.7 | 146.4 | Up | 06:31:03 - 07:01:03 | 8275 |
| PNWRO | 06:45:57 | -62.9 | Dark | Down | 34.3 | 148.6 | Up | 06:30:57 - 07:00:57 | 8272 |
| The Dalles | 06:46:04 | -62.4 | Dark | Down | 33.8 | 146.0 | Up | 06:31:04 - 07:01:04 | 8263 |
| Maupin | 06:46:05 | -62.8 | Dark | Down | 34.2 | 145.9 | Up | 06:31:05 - 07:01:05 | 8235 |
| Sisters | 06:46:08 | -63.3 | Dark | Down | 34.7 | 145.1 | Up | 06:31:08 - 07:01:08 | 8182 |
| Redmond | 06:46:08 | -63.4 | Dark | Down | 34.9 | 145.5 | Up | 06:31:08 - 07:01:08 | 8177 |
| Bend | 06:46:08 | -63.6 | Dark | Down | 35.0 | 145.2 | Up | 06:31:08 - 07:01:08 | 8164 |
| Oregon Observatory | 06:46:09 | -63.6 | Dark | Down | 35.1 | 145.0 | Up | 06:31:09 - 07:01:09 | 8153 |
| La Pine/Gilchrist | 06:46:09 | -63.8 | Dark | Down | 35.2 | 144.9 | Up | 06:31:09 - 07:01:09 | 8140 |
| North Lake | 06:46:08 | -64.4 | Dark | Down | 35.9 | 145.4 | Up | 06:31:08 - 07:01:08 | 8106 |
| Paisley | 06:46:09 | -65.0 | Dark | Down | 36.5 | 145.6 | Up | 06:31:09 - 07:01:09 | 8065 |
| Klamath Falls | 06:46:14 | -64.8 | Dark | Down | 36.3 | 144.0 | Up | 06:31:14 - 07:01:14 | 8042 |
| Lakeview | 06:46:09 | -65.5 | Dark | Down | 37.0 | 145.6 | Up | 06:31:09 - 07:01:09 | 8028 |
| Cedarville | 06:46:09 | -66.1 | Dark | Down | 37.6 | 145.5 | Up | 06:31:09 - 07:01:09 | 7980 |
| Fall River/Burney | 06:46:14 | -65.9 | Dark | Down | 37.4 | 143.9 | Up | 06:31:14 - 07:01:14 | 7955 |
| Susanville | 06:46:14 | -66.7 | Dark | Down | 38.3 | 144.5 | Up | 06:31:14 - 07:01:14 | 7904 |
| Greenville | 06:46:15 | -66.8 | Dark | Down | 38.4 | 144.0 | Up | 06:31:15 - 07:01:15 | 7886 |
| Gimple | 06:46:15 | -66.8 | Dark | Down | 38.4 | 144.1 | Up | 06:31:15 - 07:01:15 | 7885 |
| Quincy | 06:46:15 | -66.9 | Dark | Down | 38.5 | 143.9 | Up | 06:31:15 - 07:01:15 | 7871 |
| Portola | 06:46:14 | -67.2 | Dark | Down | 38.9 | 144.4 | Up | 06:31:14 - 07:01:14 | 7858 |
| Reno | 06:46:13 | -67.8 | Dark | Down | 39.4 | 145.0 | Up | 06:31:13 - 07:01:13 | 7833 |
| Carson City | 06:46:13 | -68.1 | Dark | Down | 39.7 | 144.9 | Up | 06:31:13 - 07:01:13 | 7806 |
| Gardnerville | 06:46:13 | -68.3 | Dark | Down | 39.9 | 144.8 | Up | 06:31:13 - 07:01:13 | 7787 |
| Yerington | 06:46:11 | -68.5 | Dark | Down | 40.1 | 145.5 | Up | 06:31:11 - 07:01:11 | 7786 |
| Hawthorne | 06:46:11 | -69.1 | Dark | Down | 40.7 | 145.9 | Up | 06:31:11 - 07:01:11 | 7746 |
| Niwot | 06:45:20 | -71.5 | Dark | Down | 43.7 | 163.4 | Up | 06:30:20 - 07:00:20 | 7723 |
| SwRI | 06:45:21 | -71.6 | Dark | Down | 43.8 | 163.2 | Up | 06:30:21 - 07:00:21 | 7716 |
| Lee Vining | 06:46:13 | -69.3 | Dark | Down | 41.0 | 145.1 | Up | 06:31:13 - 07:01:13 | 7708 |
| Tonopah | 06:46:06 | -70.2 | Dark | Down | 41.7 | 147.3 | Up | 06:31:06 - 07:01:06 | 7697 |
| Bishop | 06:46:12 | -70.2 | Dark | Down | 41.8 | 145.6 | Up | 06:31:12 - 07:01:12 | 7655 |
| Beatty | 06:46:07 | -71.3 | Dark | Down | 42.9 | 147.3 | Up | 06:31:07 - 07:01:07 | 7603 |
| Indian Springs | 06:46:03 | -72.1 | Dark | Down | 43.6 | 148.5 | Up | 06:31:03 - 07:01:03 | 7566 |
| Henderson | 06:46:01 | -72.9 | Dark | Down | 44.4 | 149.1 | Up | 06:31:01 - 07:01:01 | 7516 |
| CPSLO | 06:46:15 | -70.3 | Dark | Down | 42.4 | 141.9 | Up | 06:31:15 - 07:01:15 | 7516 |
| Searchlight/Boulder City | 06:46:02 | -73.4 | Dark | Down | 44.9 | 148.9 | Up | 06:31:02 - 07:01:02 | 7470 |
| Patrick | 06:45:59 | -73.9 | Dark | Down | 45.4 | 150.2 | Up | 06:30:59 - 07:00:59 | 7455 |
| Laughlin/Bullhead City | 06:46:02 | -73.8 | Dark | Down | 45.3 | 149.2 | Up | 06:31:02 - 07:01:02 | 7442 |
| Kingman/Dolan Springs | 06:46:00 | -74.0 | Dark | Down | 45.5 | 149.8 | Up | 06:31:00 - 07:01:00 | 7439 |
| DCO | 06:45:56 | -74.5 | Dark | Down | 45.9 | 150.9 | Up | 06:30:56 - 07:00:56 | 7422 |
| Mohave Valley | 06:46:02 | -74.0 | Dark | Down | 45.5 | 149.0 | Up | 06:31:02 - 07:01:02 | 7420 |
| Wildwood | 06:46:15 | -72.4 | Dark | Down | 44.4 | 143.6 | Up | 06:31:15 - 07:01:15 | 7397 |
| Lake Havasu City | 06:46:02 | -74.4 | Dark | Down | 46.0 | 149.1 | Up | 06:31:02 - 07:01:02 | 7385 |
| Parker | 06:46:03 | -74.7 | Dark | Down | 46.3 | 149.0 | Up | 06:31:03 - 07:01:03 | 7356 |
| Idyllwild | 06:46:12 | -73.7 | Dark | Down | 45.6 | 145.7 | Up | 06:31:12 - 07:01:12 | 7349 |
| Blythe | 06:46:05 | -75.0 | Dark | Down | 46.6 | 148.3 | Up | 06:31:05 - 07:01:05 | 7316 |
| George/Scottsdale | 06:45:54 | -76.2 | Dark | Down | 47.6 | 152.0 | Up | 06:30:54 - 07:00:54 | 7294 |
| Calipatria | 06:46:09 | -74.9 | Dark | Down | 46.6 | 146.9 | Up | 06:31:09 - 07:01:09 | 7285 |
| Yuma | 06:46:06 | -75.7 | Dark | Down | 47.4 | 147.8 | Up | 06:31:06 - 07:01:06 | 7239 |
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 523734, (2027/11/30 06:45UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 3.69 143 67Bet Eri 05:07:50.8 -05:05:13 2.8 0.26 145 66 Eri 05:06:45.6 -04:39:19 5.0 0.43 145 PPM 187743 05:08:32.5 -04:23:49 8.5 0.46 146 PPM 187749 05:08:54.8 -04:59:39 9.3 0.20 145 523734 05:08:18.7 -04:51:17 15.1 145 Positions are for J2000
Event circumstances last updated at 2020/09/05 00:11:30 UT
Marc W. Buie, Southwest Research Institute