Event between 11VZ24 and star GA0920:00496770 with event index number of 1574329
Geocentric closest approach at 2020/02/10 06:24:58 UTC
J2000 position of star is 04:50:09.9 +03:22:19
Equinox of date position of star is 04:51:11.3 +03:24:15
Stellar brightness G=16.6,
use SENSEUP=128
Star is 85 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=22.6
[RECON map]
TNO is 35.7 AU from the Sun
and 35.3 AU from the Earth.
The TNO is moving 9.5
km/sec on the sky relative to the star, or,
1.3 arcsec/hr.
The 1-sigma error in the time of the event is 283 seconds.
The 1-sigma cross-track error in the shadow position is
1872 km.
The sky-plane scale is
25633.1 km/arcsec.
The TNO has an absolute magnitude Hv=6.9
Diameter=246.6 km assuming a 5% albedo -- 25.9 sec chord
Diameter=100.7 km assuming a 30% albedo -- 10.6 sec chord
Dynamical classification is SCATNEAR
Star training set for 11VZ24, (2020/02/10 06:25UT) Object RA Dec mag sep mel Rigel 05:15:30.3 -08:10:47 0.1 13.07 82 Bellatrix 05:26:12.6 +06:21:59 1.6 9.20 75 8Pi 5Ori 04:55:18.0 +02:28:20 3.7 1.38 84 PPM 148033 04:51:16.8 +03:43:01 7.3 0.31 84 PPM 148013 04:50:19.2 +03:18:12 8.8 0.25 85 11VZ24 04:51:13.2 +03:24:19 16.6 84 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
3.2 sigma about the mid-time.
The median site spacing is 3.4 km
RECON observability=1.0 and success probability=0.0%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
SwRI | 06:24:42 | -62.2 | Dark | Up | 26.2 | 250.9 | Low | 06:09:42 - 06:39:42 | 11134 |
Kelowna | 06:27:10 | -48.7 | Dark | Up | 30.1 | 234.3 | Up | 06:12:10 - 06:42:10 | 10722 |
Anarchist Mountain Observatory | 06:27:00 | -49.4 | Dark | Up | 30.7 | 234.7 | Up | 06:12:00 - 06:42:00 | 10714 |
Penticton | 06:27:04 | -48.9 | Dark | Up | 30.5 | 234.2 | Up | 06:12:04 - 06:42:04 | 10712 |
Oroville | 06:26:59 | -49.4 | Dark | Up | 30.8 | 234.6 | Up | 06:11:59 - 06:41:59 | 10710 |
Okanagan Falls | 06:27:10 | -49.1 | Dark | Up | 30.6 | 234.3 | Up | 06:12:10 - 06:42:10 | 10709 |
Oliver | 06:27:03 | -49.2 | Dark | Up | 30.7 | 234.4 | Up | 06:12:03 - 06:42:03 | 10708 |
Summerland | 06:27:11 | -48.8 | Dark | Up | 30.5 | 234.1 | Up | 06:12:11 - 06:42:11 | 10708 |
Tonasket | 06:27:00 | -49.6 | Dark | Up | 30.9 | 234.7 | Up | 06:12:00 - 06:42:00 | 10708 |
Okanogan | 06:26:59 | -49.8 | Dark | Up | 31.2 | 234.8 | Up | 06:11:59 - 06:41:59 | 10698 |
PNWRO | 06:26:28 | -51.8 | Dark | Up | 32.2 | 236.5 | Up | 06:11:28 - 06:41:28 | 10694 |
Pasco | 06:26:29 | -51.5 | Dark | Up | 32.2 | 236.2 | Up | 06:11:29 - 06:41:29 | 10689 |
Brewster | 06:26:52 | -49.9 | Dark | Up | 31.5 | 234.7 | Up | 06:11:52 - 06:41:52 | 10686 |
Patrick | 06:24:19 | -61.7 | Dark | Up | 34.2 | 246.6 | Up | 06:09:19 - 06:39:19 | 10678 |
George/Umatilla | 06:26:31 | -51.6 | Dark | Up | 32.5 | 236.1 | Up | 06:11:31 - 06:41:31 | 10674 |
Manson/Chelan | 06:26:49 | -49.8 | Dark | Up | 31.8 | 234.4 | Up | 06:11:49 - 06:41:49 | 10668 |
Kingman/Dolan Springs | 06:24:16 | -61.7 | Dark | Up | 34.5 | 246.6 | Up | 06:09:16 - 06:39:16 | 10663 |
Wenatchee | 06:26:47 | -50.1 | Dark | Up | 32.2 | 234.5 | Up | 06:11:47 - 06:41:47 | 10655 |
Henderson | 06:24:30 | -60.6 | Dark | Up | 34.8 | 245.4 | Up | 06:09:30 - 06:39:30 | 10645 |
Ellensburg | 06:26:43 | -50.3 | Dark | Up | 32.5 | 234.4 | Up | 06:11:43 - 06:41:43 | 10640 |
Laughlin/Bullhead City | 06:24:19 | -61.4 | Dark | Up | 34.9 | 246.2 | Up | 06:09:19 - 06:39:19 | 10638 |
Toppenish/White Swan | 06:26:36 | -50.8 | Dark | Up | 32.8 | 234.9 | Up | 06:11:36 - 06:41:36 | 10637 |
Yakima | 06:26:39 | -50.6 | Dark | Up | 32.8 | 234.6 | Up | 06:11:39 - 06:41:39 | 10633 |
Searchlight/Boulder City | 06:24:23 | -61.0 | Dark | Up | 35.0 | 245.8 | Up | 06:09:23 - 06:39:23 | 10631 |
Mohave Valley | 06:24:17 | -61.6 | Dark | Up | 35.0 | 246.4 | Up | 06:09:17 - 06:39:17 | 10630 |
Lake Havasu City | 06:24:12 | -62.0 | Dark | Up | 35.0 | 246.8 | Up | 06:09:12 - 06:39:12 | 10629 |
Indian Springs | 06:24:37 | -59.8 | Dark | Up | 35.0 | 244.5 | Up | 06:09:37 - 06:39:37 | 10629 |
Parker | 06:24:08 | -62.2 | Dark | Up | 35.1 | 247.1 | Up | 06:09:08 - 06:39:08 | 10619 |
Goldendale | 06:26:42 | -51.0 | Dark | Up | 33.4 | 234.8 | Up | 06:11:42 - 06:41:42 | 10609 |
Tonopah | 06:24:59 | -58.0 | Dark | Up | 35.4 | 242.3 | Up | 06:09:59 - 06:39:59 | 10599 |
The Dalles | 06:26:33 | -50.9 | Dark | Up | 33.7 | 234.5 | Up | 06:11:33 - 06:41:33 | 10589 |
Blythe | 06:24:03 | -62.3 | Dark | Up | 35.5 | 247.2 | Up | 06:09:03 - 06:39:03 | 10588 |
Beatty | 06:24:47 | -59.0 | Dark | Up | 35.6 | 243.4 | Up | 06:09:47 - 06:39:47 | 10588 |
Maupin | 06:26:28 | -51.3 | Dark | Up | 33.9 | 234.8 | Up | 06:11:28 - 06:41:28 | 10586 |
Madras/Culver | 06:26:22 | -51.6 | Dark | Up | 34.3 | 235.1 | Up | 06:11:22 - 06:41:22 | 10574 |
Redmond | 06:26:18 | -51.8 | Dark | Up | 34.5 | 235.2 | Up | 06:11:18 - 06:41:18 | 10565 |
Paisley | 06:26:07 | -53.2 | Dark | Up | 35.0 | 236.7 | Up | 06:11:07 - 06:41:07 | 10560 |
Lakeview | 06:26:06 | -53.6 | Dark | Up | 35.2 | 237.2 | Up | 06:11:06 - 06:41:06 | 10558 |
North Lake | 06:26:06 | -52.6 | Dark | Up | 35.0 | 236.0 | Up | 06:11:06 - 06:41:06 | 10556 |
Yuma | 06:23:54 | -62.8 | Dark | Up | 36.0 | 247.7 | Up | 06:08:54 - 06:38:54 | 10556 |
Bend | 06:26:16 | -51.9 | Dark | Up | 34.7 | 235.2 | Up | 06:11:16 - 06:41:16 | 10554 |
Cedarville | 06:26:07 | -54.2 | Dark | Up | 35.4 | 237.7 | Up | 06:11:07 - 06:41:07 | 10552 |
Sisters | 06:26:22 | -51.6 | Dark | Up | 34.7 | 234.8 | Up | 06:11:22 - 06:41:22 | 10548 |
Hawthorne | 06:25:10 | -56.9 | Dark | Up | 36.1 | 240.8 | Up | 06:10:10 - 06:40:10 | 10546 |
Oregon Observatory | 06:26:15 | -51.9 | Dark | Up | 34.9 | 235.1 | Up | 06:11:15 - 06:41:15 | 10545 |
La Pine/Gilchrist | 06:26:14 | -52.0 | Dark | Up | 35.1 | 235.2 | Up | 06:11:14 - 06:41:14 | 10538 |
Yerington | 06:25:16 | -56.3 | Dark | Up | 36.2 | 240.0 | Up | 06:10:16 - 06:40:16 | 10533 |
Calipatria | 06:24:03 | -62.0 | Dark | Up | 36.5 | 246.8 | Up | 06:09:03 - 06:39:03 | 10527 |
Reno | 06:26:07 | -55.7 | Dark | Up | 36.3 | 239.3 | Up | 06:11:07 - 06:41:07 | 10525 |
Bishop | 06:24:57 | -57.7 | Dark | Up | 36.6 | 241.7 | Up | 06:09:57 - 06:39:57 | 10524 |
Lone Pine | 06:24:49 | -58.4 | Dark | Up | 36.7 | 242.5 | Up | 06:09:49 - 06:39:49 | 10517 |
Carson City | 06:25:22 | -55.8 | Dark | Up | 36.5 | 239.4 | Up | 06:10:22 - 06:40:22 | 10509 |
Lee Vining | 06:25:06 | -56.9 | Dark | Up | 36.7 | 240.7 | Up | 06:10:06 - 06:40:06 | 10507 |
Susanville | 06:26:06 | -54.6 | Dark | Up | 36.3 | 237.9 | Up | 06:11:06 - 06:41:06 | 10504 |
Gardnerville | 06:25:14 | -55.9 | Dark | Up | 36.7 | 239.5 | Up | 06:10:14 - 06:40:14 | 10504 |
Tulelake | 06:26:06 | -53.1 | Dark | Up | 36.0 | 236.2 | Up | 06:11:06 - 06:41:06 | 10500 |
Portola | 06:26:06 | -55.1 | Dark | Up | 36.5 | 238.5 | Up | 06:11:06 - 06:41:06 | 10499 |
Chiloquin | 06:26:10 | -52.5 | Dark | Up | 35.9 | 235.5 | Up | 06:11:10 - 06:41:10 | 10497 |
Klamath Falls | 06:26:06 | -52.8 | Dark | Up | 36.1 | 235.8 | Up | 06:11:06 - 06:41:06 | 10493 |
Idyllwild | 06:24:12 | -60.9 | Dark | Up | 37.1 | 245.4 | Up | 06:09:12 - 06:39:12 | 10491 |
Gimple | 06:26:06 | -54.7 | Dark | Up | 36.6 | 237.9 | Up | 06:11:06 - 06:41:06 | 10487 |
Greenville | 06:26:07 | -54.6 | Dark | Up | 36.7 | 237.8 | Up | 06:11:07 - 06:41:07 | 10483 |
Fall River/Burney | 06:26:07 | -53.8 | Dark | Up | 36.5 | 236.8 | Up | 06:11:07 - 06:41:07 | 10483 |
Quincy | 06:26:07 | -54.7 | Dark | Up | 36.8 | 238.0 | Up | 06:11:07 - 06:41:07 | 10479 |
Wildwood | 06:24:26 | -59.4 | Dark | Up | 38.3 | 243.6 | Up | 06:09:26 - 06:39:26 | 10410 |
CPSLO | 06:24:47 | -57.4 | Dark | Up | 39.2 | 241.0 | Up | 06:09:47 - 06:39:47 | 10347 |
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 11VZ24, (2020/02/10 06:25UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 13.07 82 Bellatrix 05:25:07.8 +06:20:58 1.6 9.20 75 8Pi 5Ori 04:54:15.1 +02:26:26 3.7 1.38 84 PPM 148033 04:50:13.3 +03:41:01 7.3 0.31 84 PPM 148013 04:49:15.9 +03:16:10 8.8 0.25 85 11VZ24 04:50:09.9 +03:22:19 16.6 84 Positions are for J2000
Event circumstances last updated at 2019/07/02 02:28:49 UT
Marc W. Buie, Southwest Research Institute