Event between 07RH283 and star GA1240:00795852 with event index number of 183464
Geocentric closest approach at 2019/03/18 05:06:14 UTC
J2000 position of star is 03:42:01.0 +34:38:00
Equinox of date position of star is 03:43:12.9 +34:41:32
Stellar brightness G=16.1,
use SENSEUP=128
Star is 76 degrees from the moon.
Moon is 88% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 21.0 AU from the Sun
and 21.4 AU from the Earth.
The TNO is moving 19.6
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 197 seconds.
The 1-sigma cross-track error in the shadow position is
1414 km.
The sky-plane scale is
15523.4 km/arcsec.
The TNO has an absolute magnitude Hv=8.5
Diameter=121.9 km assuming a 5% albedo -- 6.2 sec chord
Diameter=49.8 km assuming a 30% albedo -- 2.5 sec chord
Dynamical classification is CENTAURR
Star training set for 07RH283, (2019/03/18 05:06UT) Object RA Dec mag sep mel Aldebaran 04:37:01.5 +16:32:47 0.8 21.77 68 44Zet Per 03:55:20.7 +31:56:21 2.8 3.74 74 40 Per 03:43:36.0 +34:01:31 4.8 0.67 76 PPM 068723 03:44:37.5 +34:10:33 7.6 0.59 76 PPM 068691 03:42:37.0 +35:02:27 8.7 0.37 76 07RH283 03:43:14.7 +34:41:37 16.1 76 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
4.6 sigma about the mid-time.
The median site spacing is 11.0 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) |
Niwot | 05:09:40 | -42.5 | Dark | Up | 20.0 | 299.0 | Really Low | 04:54:40 - 05:24:40 | 8094 |
Rutland | 05:08:40 | -28.4 | Dark | Up | 33.2 | 286.1 | Up | 04:53:40 - 05:23:40 | 7961 |
Penticton | 05:08:40 | -28.5 | Dark | Up | 33.2 | 286.3 | Up | 04:53:40 - 05:23:40 | 7936 |
Okanagan Falls | 05:08:40 | -28.6 | Dark | Up | 33.1 | 286.4 | Up | 04:53:40 - 05:23:40 | 7927 |
Southern Okanagan | 05:08:40 | -28.7 | Dark | Up | 33.1 | 286.5 | Up | 04:53:40 - 05:23:40 | 7920 |
Oroville | 05:08:40 | -28.9 | Dark | Up | 32.9 | 286.7 | Up | 04:53:40 - 05:23:40 | 7913 |
Tonasket | 05:08:40 | -29.1 | Dark | Up | 32.9 | 286.9 | Up | 04:53:40 - 05:23:40 | 7902 |
Okanogan | 05:08:40 | -29.2 | Dark | Up | 32.9 | 287.0 | Up | 04:53:40 - 05:23:40 | 7880 |
Brewster | 05:08:40 | -29.3 | Dark | Up | 32.9 | 287.0 | Up | 04:53:40 - 05:23:40 | 7858 |
Manson/Chelan | 05:08:40 | -29.2 | Dark | Up | 33.1 | 286.9 | Up | 04:53:40 - 05:23:40 | 7832 |
Entiat | 05:08:40 | -29.3 | Dark | Up | 33.1 | 287.0 | Up | 04:53:40 - 05:23:40 | 7818 |
Wenatchee | 05:08:40 | -29.4 | Dark | Up | 33.1 | 287.1 | Up | 04:53:40 - 05:23:40 | 7801 |
Pasco | 05:08:40 | -30.7 | Dark | Up | 31.9 | 288.5 | Up | 04:53:40 - 05:23:40 | 7801 |
PNWRO | 05:08:40 | -31.0 | Dark | Up | 31.7 | 288.8 | Up | 04:53:40 - 05:23:40 | 7800 |
George/Umatilla | 05:08:40 | -30.8 | Dark | Up | 32.0 | 288.6 | Up | 04:53:40 - 05:23:40 | 7775 |
Ellensburg | 05:08:40 | -29.5 | Dark | Up | 33.1 | 287.2 | Up | 04:53:40 - 05:23:40 | 7771 |
Yakima | 05:08:40 | -29.7 | Dark | Up | 33.0 | 287.5 | Up | 04:53:40 - 05:23:40 | 7751 |
Toppenish/White Swan | 05:08:40 | -29.9 | Dark | Up | 32.8 | 287.7 | Up | 04:53:40 - 05:23:40 | 7748 |
Goldendale | 05:08:40 | -30.0 | Dark | Up | 32.9 | 287.8 | Up | 04:53:40 - 05:23:40 | 7702 |
The Dalles | 05:08:40 | -29.9 | Dark | Up | 33.1 | 287.7 | Up | 04:53:40 - 05:23:40 | 7674 |
Maupin | 05:09:18 | -30.3 | Dark | Up | 32.8 | 288.1 | Up | 04:54:18 - 05:24:18 | 7623 |
Madras/Culver | 05:09:20 | -30.6 | Dark | Up | 32.6 | 288.4 | Up | 04:54:20 - 05:24:20 | 7589 |
Redmond | 05:09:22 | -30.8 | Dark | Up | 32.5 | 288.6 | Up | 04:54:22 - 05:24:22 | 7566 |
Sisters | 05:09:22 | -30.5 | Dark | Up | 32.8 | 288.4 | Up | 04:54:22 - 05:24:22 | 7548 |
Bend | 05:09:23 | -30.8 | Dark | Up | 32.6 | 288.7 | Up | 04:54:23 - 05:24:23 | 7547 |
Oregon Observatory | 05:09:24 | -30.8 | Dark | Up | 32.6 | 288.7 | Up | 04:54:24 - 05:24:24 | 7530 |
North Lake | 05:09:27 | -31.5 | Dark | Up | 32.0 | 289.4 | Up | 04:54:27 - 05:24:27 | 7518 |
La Pine/Gilchrist | 05:09:24 | -30.9 | Dark | Up | 32.6 | 288.8 | Up | 04:54:24 - 05:24:24 | 7515 |
Paisley | 05:09:30 | -32.0 | Dark | Up | 31.6 | 289.9 | Up | 04:54:30 - 05:24:30 | 7502 |
Lakeview | 05:09:31 | -32.4 | Dark | Up | 31.2 | 290.3 | Up | 04:54:31 - 05:24:31 | 7481 |
Cedarville | 05:09:35 | -32.9 | Dark | Up | 30.9 | 290.8 | Up | 04:54:35 - 05:24:35 | 7449 |
Chiloquin | 05:09:29 | -31.3 | Dark | Up | 32.4 | 289.3 | Up | 04:54:29 - 05:24:29 | 7430 |
Klamath Falls | 05:09:31 | -31.5 | Dark | Up | 32.3 | 289.6 | Up | 04:54:31 - 05:24:31 | 7413 |
Tulelake | 05:09:32 | -31.8 | Dark | Up | 32.0 | 289.9 | Up | 04:54:32 - 05:24:32 | 7411 |
DCO | 05:10:03 | -41.1 | Dark | Up | 23.2 | 297.1 | Low | 04:55:03 - 05:25:03 | 7407 |
Patrick | 05:10:02 | -40.5 | Dark | Up | 23.8 | 296.6 | Low | 04:55:02 - 05:25:02 | 7389 |
Tonopah | 05:09:50 | -36.7 | Dark | Up | 27.4 | 294.0 | Low | 04:54:50 - 05:24:50 | 7383 |
Henderson | 05:09:59 | -39.4 | Dark | Up | 24.9 | 295.9 | Low | 04:54:59 - 05:24:59 | 7370 |
Indian Springs | 05:09:57 | -38.6 | Dark | Up | 25.7 | 295.4 | Low | 04:54:57 - 05:24:57 | 7368 |
Kingman/Dolan Springs | 05:10:02 | -40.5 | Dark | Up | 23.9 | 296.7 | Low | 04:55:02 - 05:25:02 | 7365 |
Fall River/Burney | 05:09:36 | -32.4 | Dark | Up | 31.6 | 290.5 | Up | 04:54:36 - 05:24:36 | 7359 |
Susanville | 05:09:39 | -33.2 | Dark | Up | 30.8 | 291.2 | Up | 04:54:39 - 05:24:39 | 7356 |
Reno | 05:09:43 | -34.2 | Dark | Up | 29.9 | 292.1 | Low | 04:54:43 - 05:24:43 | 7343 |
Yerington | 05:09:46 | -35.0 | Dark | Up | 29.2 | 292.7 | Low | 04:54:46 - 05:24:46 | 7342 |
Hawthorne | 05:09:48 | -35.6 | Dark | Up | 28.6 | 293.1 | Low | 04:54:48 - 05:24:48 | 7340 |
Searchlight/Boulder City | 05:10:01 | -39.8 | Dark | Up | 24.6 | 296.2 | Low | 04:55:01 - 05:25:01 | 7337 |
Laughlin/Bullhead City | 05:10:03 | -40.2 | Dark | Up | 24.2 | 296.4 | Low | 04:55:03 - 05:25:03 | 7336 |
Beatty | 05:09:55 | -37.7 | Dark | Up | 26.6 | 294.8 | Low | 04:54:55 - 05:24:55 | 7333 |
Gimple | 05:09:40 | -33.2 | Dark | Up | 30.9 | 291.2 | Up | 04:54:40 - 05:24:40 | 7328 |
Portola | 05:09:42 | -33.6 | Dark | Up | 30.4 | 291.6 | Up | 04:54:42 - 05:24:42 | 7327 |
Greenville | 05:09:40 | -33.2 | Dark | Up | 30.9 | 291.2 | Up | 04:54:40 - 05:24:40 | 7324 |
Carson City | 05:09:45 | -34.4 | Dark | Up | 29.7 | 292.3 | Low | 04:54:45 - 05:24:45 | 7322 |
Mohave Valley | 05:10:04 | -40.3 | Dark | Up | 24.1 | 296.6 | Low | 04:55:04 - 05:25:04 | 7319 |
Quincy | 05:09:41 | -33.3 | Dark | Up | 30.8 | 291.3 | Up | 04:54:41 - 05:24:41 | 7311 |
Gardnerville | 05:09:46 | -34.6 | Dark | Up | 29.6 | 292.4 | Low | 04:54:46 - 05:24:46 | 7309 |
Lake Havasu City | 05:10:05 | -40.7 | Dark | Up | 23.7 | 296.8 | Low | 04:55:05 - 05:25:05 | 7306 |
Parker | 05:10:07 | -40.9 | Dark | Up | 23.5 | 297.0 | Low | 04:55:07 - 05:25:07 | 7285 |
Lee Vining | 05:09:50 | -35.5 | Dark | Up | 28.7 | 293.2 | Low | 04:54:50 - 05:24:50 | 7278 |
Bishop | 05:09:53 | -36.3 | Dark | Up | 28.0 | 293.8 | Low | 04:54:53 - 05:24:53 | 7277 |
Lone Pine | 05:09:56 | -37.0 | Dark | Up | 27.4 | 294.3 | Low | 04:54:56 - 05:24:56 | 7245 |
Blythe | 05:10:09 | -41.0 | Dark | Up | 23.5 | 297.1 | Low | 04:55:09 - 05:25:09 | 7234 |
Yuma | 05:10:12 | -41.5 | Dark | Up | 23.1 | 297.4 | Low | 04:55:12 - 05:25:12 | 7171 |
Calipatria | 05:10:11 | -40.6 | Dark | Up | 24.0 | 296.9 | Low | 04:55:11 - 05:25:11 | 7151 |
Idyllwild | 05:10:08 | -39.5 | Dark | Up | 25.2 | 296.2 | Low | 04:55:08 - 05:25:08 | 7128 |
Wildwood | 05:10:06 | -37.9 | Dark | Up | 26.7 | 295.3 | Low | 04:55:06 - 05:25:06 | 7050 |
CPSLO | 05:10:00 | -35.8 | Dark | Up | 28.8 | 293.9 | Low | 04:55:00 - 05:25:00 | 7021 |
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 07RH283, (2019/03/18 05:06UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 21.77 68 44Zet Per 03:54:07.9 +31:53:01 2.8 3.74 74 40 Per 03:42:22.6 +33:57:54 4.8 0.67 76 PPM 068723 03:43:24.0 +34:06:58 7.6 0.59 76 PPM 068691 03:41:23.1 +34:58:49 8.7 0.37 76 07RH283 03:42:01.0 +34:38:00 16.1 76 Positions are for J2000
Event circumstances last updated at 2018/09/27 17:27:28 UT
Marc W. Buie, Southwest Research Institute