Event between (523765) 14WD510 and star UC4-610-041334 with event index number of 355785
Geocentric closest approach at 2019/11/27 11:56:03 UTC
J2000 position of star is 07:38:30.4 +31:48:48
Equinox of date position of star is 07:39:44.7 +31:46:05
Stellar brightness R=15.4,
use SENSEUP=128
Star is 143 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 38.8 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 16.7
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 153 seconds.
The 1-sigma cross-track error in the shadow position is
1687 km.
The sky-plane scale is
27680.0 km/arcsec.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 22.8 sec chord
Diameter=155.2 km assuming a 30% albedo -- 9.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 523765, (2019/11/27 11:56UT) Object RA Dec mag sep mel Pollux 07:46:31.9 +27:58:35 1.1 4.06 142 PPM 073009 07:41:10.3 +31:57:45 6.4 0.35 143 PPM 072982 07:38:47.2 +31:34:03 7.7 0.29 143 PPM 072994 07:39:37.4 +31:58:40 9.3 0.21 143 523765 07:39:46.6 +31:46:00 15.4 143 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 13.7 km
RECON observability=1.0 and success probability=5.5%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Kelowna | 11:56:16 | -33.4 | Dark | Down | 70.1 | 208.9 | Up | 11:43:00 - 12:09:33 | 4760 |
Summerland | 11:56:17 | -33.6 | Dark | Down | 70.4 | 208.6 | Up | 11:43:00 - 12:09:33 | 4723 |
Penticton | 11:56:16 | -33.5 | Dark | Down | 70.5 | 209.0 | Up | 11:43:00 - 12:09:33 | 4722 |
Okanagan Falls | 11:56:16 | -33.6 | Dark | Down | 70.6 | 209.2 | Up | 11:42:59 - 12:09:32 | 4705 |
Oliver | 11:56:13 | -33.6 | Dark | Down | 70.8 | 209.5 | Up | 11:42:57 - 12:09:30 | 4692 |
Anarchist Mountain Observatory | 11:56:14 | -33.5 | Dark | Down | 70.9 | 210.2 | Up | 11:42:57 - 12:09:30 | 4685 |
Oroville | 11:56:13 | -33.5 | Dark | Down | 70.9 | 210.1 | Up | 11:42:57 - 12:09:30 | 4676 |
Tonasket | 11:56:12 | -33.5 | Dark | Down | 71.2 | 210.4 | Up | 11:42:55 - 12:09:28 | 4656 |
Okanogan | 11:56:10 | -33.7 | Dark | Down | 71.5 | 210.6 | Up | 11:42:54 - 12:09:27 | 4621 |
Niwot | 11:54:45 | -23.4 | Dark | Down | 68.2 | 255.5 | Up | 11:41:29 - 12:08:02 | 4608 |
SwRI | 11:54:45 | -23.4 | Dark | Down | 68.3 | 255.6 | Up | 11:41:28 - 12:08:01 | 4594 |
Brewster | 11:56:11 | -33.8 | Dark | Down | 71.8 | 210.5 | Up | 11:42:55 - 12:09:28 | 4589 |
Manson/Chelan | 11:56:12 | -34.1 | Dark | Down | 72.1 | 209.9 | Up | 11:42:55 - 12:09:28 | 4556 |
Entiat | 11:56:13 | -34.2 | Dark | Down | 72.3 | 210.0 | Up | 11:42:56 - 12:09:29 | 4534 |
Wenatchee | 11:56:11 | -34.3 | Dark | Down | 72.6 | 210.2 | Up | 11:42:54 - 12:09:27 | 4508 |
Ellensburg | 11:56:10 | -34.5 | Dark | Down | 73.0 | 210.3 | Up | 11:42:53 - 12:09:26 | 4462 |
Pasco | 11:56:02 | -33.6 | Dark | Down | 73.1 | 215.2 | Up | 11:42:46 - 12:09:19 | 4457 |
PNWRO | 11:56:01 | -33.4 | Dark | Down | 73.2 | 216.3 | Up | 11:42:44 - 12:09:17 | 4445 |
Yakima | 11:56:09 | -34.5 | Dark | Down | 73.4 | 210.9 | Up | 11:42:52 - 12:09:25 | 4426 |
George/Umatilla | 11:56:01 | -33.7 | Dark | Down | 73.5 | 215.3 | Up | 11:42:45 - 12:09:18 | 4418 |
Toppenish/White Swan | 11:56:08 | -34.4 | Dark | Down | 73.5 | 211.7 | Up | 11:42:51 - 12:09:24 | 4414 |
Goldendale | 11:56:07 | -34.8 | Dark | Down | 74.1 | 211.5 | Up | 11:42:50 - 12:09:23 | 4347 |
The Dalles | 11:56:08 | -35.0 | Dark | Down | 74.4 | 210.9 | Up | 11:42:51 - 12:09:24 | 4312 |
Maupin | 11:56:05 | -35.0 | Dark | Down | 74.8 | 212.0 | Up | 11:42:48 - 12:09:21 | 4279 |
Madras/Culver | 11:56:04 | -35.1 | Dark | Down | 75.2 | 212.9 | Up | 11:42:48 - 12:09:21 | 4228 |
Redmond | 11:56:01 | -35.1 | Dark | Down | 75.6 | 213.5 | Up | 11:42:45 - 12:09:18 | 4194 |
Sisters | 11:56:04 | -35.4 | Dark | Down | 75.7 | 212.3 | Up | 11:42:48 - 12:09:21 | 4179 |
Bend | 11:56:02 | -35.3 | Dark | Down | 75.8 | 213.5 | Up | 11:42:46 - 12:09:19 | 4169 |
Oregon Observatory | 11:56:02 | -35.4 | Dark | Down | 76.0 | 213.5 | Up | 11:42:46 - 12:09:19 | 4148 |
La Pine/Gilchrist | 11:56:00 | -35.4 | Dark | Down | 76.2 | 213.8 | Up | 11:42:43 - 12:09:16 | 4127 |
North Lake | 11:55:57 | -35.0 | Dark | Down | 76.3 | 216.6 | Up | 11:42:40 - 12:09:13 | 4113 |
Paisley | 11:55:54 | -34.8 | Dark | Down | 76.6 | 219.1 | Up | 11:42:38 - 12:09:11 | 4080 |
Lakeview | 11:55:52 | -34.7 | Dark | Down | 76.9 | 221.0 | Up | 11:42:35 - 12:09:08 | 4042 |
Chiloquin | 11:55:59 | -35.8 | Dark | Down | 77.3 | 215.3 | Up | 11:42:42 - 12:09:15 | 4010 |
Cedarville | 11:55:48 | -34.6 | Dark | Down | 77.3 | 223.5 | Up | 11:42:32 - 12:09:05 | 3991 |
Klamath Falls | 11:55:56 | -35.7 | Dark | Down | 77.5 | 216.4 | Up | 11:42:39 - 12:09:12 | 3983 |
Tulelake | 11:55:54 | -35.5 | Dark | Down | 77.6 | 218.1 | Up | 11:42:38 - 12:09:11 | 3971 |
Fall River/Burney | 11:55:52 | -35.5 | Dark | Down | 78.3 | 221.1 | Up | 11:42:35 - 12:09:08 | 3892 |
Susanville | 11:55:47 | -35.0 | Dark | Down | 78.3 | 225.5 | Up | 11:42:30 - 12:09:03 | 3868 |
Gimple | 11:55:47 | -35.1 | Dark | Down | 78.6 | 225.8 | Up | 11:42:30 - 12:09:03 | 3833 |
Greenville | 11:55:46 | -35.2 | Dark | Down | 78.7 | 225.5 | Up | 11:42:30 - 12:09:03 | 3830 |
Reno | 11:55:40 | -34.4 | Dark | Down | 78.5 | 231.2 | Up | 11:42:23 - 12:08:56 | 3828 |
Portola | 11:55:44 | -34.9 | Dark | Down | 78.7 | 228.3 | Up | 11:42:27 - 12:09:00 | 3822 |
Tonopah | 11:55:23 | -32.4 | Dark | Down | 77.6 | 243.8 | Up | 11:42:07 - 12:08:40 | 3818 |
Quincy | 11:55:47 | -35.2 | Dark | Down | 78.8 | 226.3 | Up | 11:42:30 - 12:09:03 | 3811 |
Yerington | 11:55:34 | -33.9 | Dark | Down | 78.4 | 235.2 | Up | 11:42:17 - 12:08:50 | 3808 |
Carson City | 11:55:37 | -34.4 | Dark | Down | 78.7 | 232.7 | Up | 11:42:20 - 12:08:53 | 3796 |
Hawthorne | 11:55:31 | -33.5 | Dark | Down | 78.3 | 238.5 | Up | 11:42:15 - 12:08:48 | 3792 |
Gardnerville | 11:55:38 | -34.3 | Dark | Down | 78.8 | 233.8 | Up | 11:42:22 - 12:08:55 | 3776 |
DCO | 11:54:54 | -29.0 | Dark | Down | 75.4 | 261.8 | Up | 11:41:38 - 12:08:11 | 3762 |
Indian Springs | 11:55:11 | -31.1 | Dark | Down | 77.0 | 252.7 | Up | 11:41:55 - 12:08:28 | 3762 |
Patrick | 11:55:00 | -29.6 | Dark | Down | 75.9 | 259.9 | Up | 11:41:43 - 12:08:16 | 3752 |
Henderson | 11:55:06 | -30.5 | Dark | Down | 76.7 | 256.0 | Up | 11:41:49 - 12:08:22 | 3750 |
Beatty | 11:55:16 | -32.0 | Dark | Down | 77.7 | 249.5 | Up | 11:42:00 - 12:08:33 | 3737 |
Kingman/Dolan Springs | 11:54:59 | -29.7 | Dark | Down | 76.1 | 260.5 | Up | 11:41:42 - 12:08:15 | 3722 |
Lee Vining | 11:55:31 | -33.8 | Dark | Down | 78.9 | 239.6 | Up | 11:42:15 - 12:08:48 | 3717 |
Searchlight/Boulder City | 11:55:01 | -30.4 | Dark | Down | 76.7 | 258.4 | Up | 11:41:45 - 12:08:18 | 3702 |
Bishop | 11:55:26 | -33.3 | Dark | Down | 78.7 | 244.1 | Up | 11:42:09 - 12:08:42 | 3698 |
Laughlin/Bullhead City | 11:55:01 | -30.1 | Dark | Down | 76.5 | 260.0 | Up | 11:41:45 - 12:08:18 | 3693 |
Mohave Valley | 11:54:58 | -30.1 | Dark | Down | 76.6 | 261.2 | Up | 11:41:42 - 12:08:15 | 3669 |
Lake Havasu City | 11:54:56 | -29.8 | Dark | Down | 76.4 | 263.1 | Up | 11:41:40 - 12:08:13 | 3647 |
Lone Pine | 11:55:22 | -33.0 | Dark | Down | 78.8 | 248.3 | Up | 11:42:06 - 12:08:39 | 3645 |
Parker | 11:54:56 | -29.8 | Dark | Down | 76.4 | 264.5 | Up | 11:41:39 - 12:08:12 | 3617 |
Blythe | 11:54:53 | -30.0 | Dark | Down | 76.7 | 266.5 | Up | 11:41:37 - 12:08:10 | 3554 |
Yuma | 11:54:51 | -29.9 | Dark | Down | 76.8 | 270.4 | Up | 11:41:34 - 12:08:07 | 3469 |
Calipatria | 11:54:57 | -30.7 | Dark | Down | 77.5 | 268.0 | Up | 11:41:41 - 12:08:14 | 3460 |
Idyllwild | 11:55:05 | -31.7 | Dark | Down | 78.5 | 264.1 | Up | 11:41:48 - 12:08:21 | 3453 |
CPSLO | 11:55:26 | -35.0 | Dark | Down | 81.2 | 249.3 | Up | 11:42:10 - 12:08:43 | 3398 |
Wildwood | 11:55:15 | -33.3 | Dark | Down | 79.9 | 260.2 | Up | 11:41:58 - 12:08:31 | 3389 |
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 523765, (2019/11/27 11:56UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 4.06 142 PPM 073009 07:39:54.0 +32:00:34 6.4 0.35 143 PPM 072982 07:37:31.1 +31:36:49 7.7 0.29 143 PPM 072994 07:38:21.1 +32:01:27 9.3 0.21 143 523765 07:38:30.4 +31:48:48 15.4 143 Positions are for J2000
Event circumstances last updated at 2019/05/23 22:43:06 UT
Marc W. Buie, Southwest Research Institute