Event between 10MQ116 and star GA1120:00167393 with event index number of 1047960
Geocentric closest approach at 2020/01/20 04:50:05 UTC
J2000 position of star is 01:23:57.5 +23:46:49
Equinox of date position of star is 01:25:00.3 +23:52:46
Stellar brightness G=14.9,
use SENSEUP=128
Star is 141 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 46.9 AU from the Sun
and 46.9 AU from the Earth.
The TNO is moving 6.6
km/sec on the sky relative to the star, or,
0.7 arcsec/hr.
The 1-sigma error in the time of the event is 425 seconds.
The 1-sigma cross-track error in the shadow position is
2662 km.
The sky-plane scale is
34031.0 km/arcsec.
The TNO has an absolute magnitude Hv=5.4
Diameter=498.9 km assuming a 5% albedo -- 75.3 sec chord
Diameter=203.7 km assuming a 30% albedo -- 30.7 sec chord
Dynamical classification is SCATNEAR
Star training set for 10MQ116, (2020/01/20 04:50UT) Object RA Dec mag sep mel Aldebaran 04:37:04.4 +16:32:53 0.8 45.43 173 6Bet Ari 01:55:45.1 +20:54:19 2.6 7.69 148 PPM 090772 01:26:41.7 +23:36:55 6.5 0.46 142 PPM 090755 01:25:36.8 +24:02:57 9.6 0.21 141 10MQ116 01:25:03.4 +23:53:04 14.9 142 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
2.1 sigma about the mid-time.
The median site spacing is 7.1 km
RECON observability=1.0 and success probability=0.2%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Niwot | 04:55:04 | -54.8 | Dark | Down | 32.5 | 275.1 | Up | 04:40:04 - 05:10:04 | 11007 |
SwRI | 04:55:05 | -54.8 | Dark | Down | 32.5 | 275.1 | Up | 04:40:05 - 05:10:05 | 10999 |
Kelowna | 04:51:07 | -41.2 | Dark | Down | 42.5 | 256.1 | Up | 04:36:07 - 05:06:07 | 10741 |
Summerland | 04:51:07 | -41.0 | Dark | Down | 42.8 | 255.9 | Up | 04:36:07 - 05:06:07 | 10723 |
Penticton | 04:51:07 | -41.2 | Dark | Down | 42.7 | 256.3 | Up | 04:36:07 - 05:06:07 | 10721 |
Okanagan Falls | 04:51:07 | -41.3 | Dark | Down | 42.8 | 256.5 | Up | 04:36:07 - 05:06:07 | 10713 |
Anarchist Mountain Observatory | 04:51:07 | -41.5 | Dark | Down | 42.7 | 257.0 | Up | 04:36:07 - 05:06:07 | 10711 |
Oliver | 04:51:07 | -41.3 | Dark | Down | 42.8 | 256.6 | Up | 04:36:07 - 05:06:07 | 10708 |
Oroville | 04:51:07 | -41.5 | Dark | Down | 42.8 | 257.0 | Up | 04:36:07 - 05:06:07 | 10705 |
Tonasket | 04:51:07 | -41.6 | Dark | Down | 42.8 | 257.2 | Up | 04:36:07 - 05:06:07 | 10697 |
Okanogan | 04:51:07 | -41.6 | Dark | Down | 43.0 | 257.3 | Up | 04:36:07 - 05:06:07 | 10678 |
Brewster | 04:51:07 | -41.5 | Dark | Down | 43.2 | 257.4 | Up | 04:36:07 - 05:06:07 | 10659 |
Manson/Chelan | 04:51:07 | -41.3 | Dark | Down | 43.5 | 257.3 | Up | 04:36:07 - 05:06:07 | 10635 |
Entiat | 04:51:07 | -41.4 | Dark | Down | 43.6 | 257.4 | Up | 04:36:07 - 05:06:07 | 10623 |
Wenatchee | 04:51:07 | -41.4 | Dark | Down | 43.7 | 257.6 | Up | 04:36:07 - 05:06:07 | 10609 |
PNWRO | 04:52:45 | -43.0 | Dark | Down | 42.7 | 260.4 | Up | 04:37:45 - 05:07:45 | 10607 |
Pasco | 04:52:40 | -42.7 | Dark | Down | 42.8 | 260.0 | Up | 04:37:40 - 05:07:40 | 10607 |
Ellensburg | 04:51:07 | -41.3 | Dark | Down | 43.9 | 257.8 | Up | 04:36:07 - 05:06:07 | 10584 |
George/Umatilla | 04:52:46 | -42.7 | Dark | Down | 43.0 | 260.2 | Up | 04:37:46 - 05:07:46 | 10583 |
Yakima | 04:52:30 | -41.7 | Dark | Down | 43.8 | 258.4 | Up | 04:37:30 - 05:07:30 | 10554 |
Toppenish/White Swan | 04:52:34 | -41.8 | Dark | Down | 43.7 | 258.8 | Up | 04:37:34 - 05:07:34 | 10553 |
Goldendale | 04:52:41 | -41.7 | Dark | Down | 44.1 | 259.0 | Up | 04:37:41 - 05:07:41 | 10509 |
The Dalles | 04:52:40 | -41.5 | Dark | Down | 44.4 | 258.9 | Up | 04:37:40 - 05:07:40 | 10482 |
Maupin | 04:52:49 | -41.7 | Dark | Down | 44.4 | 259.4 | Up | 04:37:49 - 05:07:49 | 10468 |
Madras/Culver | 04:52:55 | -41.8 | Dark | Down | 44.5 | 259.9 | Up | 04:37:55 - 05:07:55 | 10442 |
Redmond | 04:53:01 | -41.9 | Dark | Down | 44.5 | 260.2 | Up | 04:38:01 - 05:08:01 | 10423 |
Bend | 04:53:04 | -41.9 | Dark | Down | 44.7 | 260.4 | Up | 04:38:04 - 05:08:04 | 10406 |
Sisters | 04:53:00 | -41.6 | Dark | Down | 44.8 | 259.9 | Up | 04:38:00 - 05:08:00 | 10405 |
Oregon Observatory | 04:53:06 | -41.8 | Dark | Down | 44.8 | 260.4 | Up | 04:38:06 - 05:08:06 | 10392 |
DCO | 04:55:53 | -50.4 | Dark | Down | 38.2 | 274.2 | Up | 04:40:53 - 05:10:53 | 10392 |
North Lake | 04:53:16 | -42.4 | Dark | Down | 44.5 | 261.5 | Up | 04:38:16 - 05:08:16 | 10389 |
Paisley | 04:53:28 | -42.8 | Dark | Down | 44.2 | 262.4 | Up | 04:38:28 - 05:08:28 | 10381 |
La Pine/Gilchrist | 04:53:08 | -41.8 | Dark | Down | 44.9 | 260.6 | Up | 04:38:08 - 05:08:08 | 10380 |
Patrick | 04:55:43 | -49.7 | Dark | Down | 38.9 | 273.6 | Up | 04:40:43 - 05:10:43 | 10370 |
Lakeview | 04:53:36 | -43.0 | Dark | Down | 44.1 | 263.0 | Up | 04:38:36 - 05:08:36 | 10367 |
Kingman/Dolan Springs | 04:55:46 | -49.6 | Dark | Down | 39.0 | 273.7 | Up | 04:40:46 - 05:10:46 | 10349 |
Cedarville | 04:53:47 | -43.3 | Dark | Down | 44.1 | 263.8 | Up | 04:38:47 - 05:08:47 | 10345 |
Henderson | 04:55:30 | -48.7 | Dark | Down | 39.8 | 272.4 | Up | 04:40:30 - 05:10:30 | 10343 |
Indian Springs | 04:55:20 | -48.0 | Dark | Down | 40.5 | 271.6 | Up | 04:40:20 - 05:10:20 | 10334 |
Tonopah | 04:54:49 | -46.4 | Dark | Down | 41.8 | 269.3 | Up | 04:39:49 - 05:09:49 | 10328 |
Laughlin/Bullhead City | 04:55:44 | -49.2 | Dark | Down | 39.4 | 273.4 | Up | 04:40:44 - 05:10:44 | 10320 |
Searchlight/Boulder City | 04:55:37 | -48.9 | Dark | Down | 39.7 | 273.0 | Up | 04:40:37 - 05:10:37 | 10317 |
Chiloquin | 04:53:23 | -41.8 | Dark | Down | 45.2 | 261.4 | Up | 04:38:23 - 05:08:23 | 10309 |
Mohave Valley | 04:55:50 | -49.3 | Dark | Down | 39.4 | 273.6 | Up | 04:40:50 - 05:10:50 | 10306 |
Tulelake | 04:53:33 | -42.3 | Dark | Down | 45.0 | 262.4 | Up | 04:38:33 - 05:08:33 | 10299 |
Lake Havasu City | 04:55:58 | -49.6 | Dark | Down | 39.1 | 274.1 | Up | 04:40:58 - 05:10:58 | 10299 |
Klamath Falls | 04:53:30 | -42.0 | Dark | Down | 45.2 | 261.9 | Up | 04:38:30 - 05:08:30 | 10297 |
Beatty | 04:55:13 | -47.1 | Dark | Down | 41.4 | 270.6 | Up | 04:40:13 - 05:10:13 | 10293 |
Parker | 04:56:01 | -49.7 | Dark | Down | 39.1 | 274.4 | Up | 04:41:01 - 05:11:01 | 10282 |
Hawthorne | 04:54:39 | -45.2 | Dark | Down | 42.9 | 267.9 | Up | 04:39:39 - 05:09:39 | 10277 |
Yerington | 04:54:27 | -44.7 | Dark | Down | 43.4 | 267.1 | Up | 04:39:27 - 05:09:27 | 10273 |
Reno | 04:54:19 | -44.1 | Dark | Down | 43.9 | 266.1 | Up | 04:39:19 - 05:09:19 | 10266 |
Susanville | 04:54:02 | -43.2 | Dark | Down | 44.5 | 264.6 | Up | 04:39:02 - 05:09:02 | 10266 |
Fall River/Burney | 04:53:48 | -42.5 | Dark | Down | 45.0 | 263.4 | Up | 04:38:48 - 05:08:48 | 10259 |
Carson City | 04:54:20 | -44.2 | Dark | Down | 43.9 | 266.5 | Up | 04:39:20 - 05:09:20 | 10249 |
Portola | 04:54:09 | -43.5 | Dark | Down | 44.4 | 265.4 | Up | 04:39:09 - 05:09:09 | 10245 |
Gimple | 04:54:03 | -43.1 | Dark | Down | 44.7 | 264.7 | Up | 04:39:03 - 05:09:03 | 10241 |
Gardnerville | 04:54:25 | -44.3 | Dark | Down | 43.8 | 266.7 | Up | 04:39:25 - 05:09:25 | 10239 |
Blythe | 04:56:05 | -49.5 | Dark | Down | 39.3 | 274.7 | Up | 04:41:05 - 05:11:05 | 10238 |
Greenville | 04:54:03 | -43.1 | Dark | Down | 44.7 | 264.7 | Up | 04:39:03 - 05:09:03 | 10237 |
Bishop | 04:54:59 | -45.7 | Dark | Down | 42.7 | 269.2 | Up | 04:39:59 - 05:09:59 | 10230 |
Quincy | 04:54:02 | -43.1 | Dark | Down | 44.7 | 264.9 | Up | 04:39:02 - 05:09:02 | 10227 |
Lee Vining | 04:54:45 | -45.0 | Dark | Down | 43.3 | 268.1 | Up | 04:39:45 - 05:09:45 | 10222 |
Lone Pine | 04:55:07 | -46.1 | Dark | Down | 42.4 | 270.1 | Up | 04:40:07 - 05:10:07 | 10209 |
Yuma | 04:56:19 | -49.7 | Dark | Down | 39.2 | 275.5 | Up | 04:41:19 - 05:11:19 | 10186 |
Calipatria | 04:56:10 | -48.8 | Dark | Down | 40.0 | 274.7 | Up | 04:41:10 - 05:11:10 | 10160 |
Idyllwild | 04:55:55 | -47.7 | Dark | Down | 41.1 | 273.5 | Up | 04:40:55 - 05:10:55 | 10129 |
Wildwood | 04:55:43 | -46.1 | Dark | Down | 42.7 | 272.2 | Up | 04:40:43 - 05:10:43 | 10044 |
CPSLO | 04:55:13 | -44.2 | Dark | Down | 44.5 | 269.8 | Up | 04:40:13 - 05:10:13 | 9997 |
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 10MQ116, (2020/01/20 04:50UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 45.43 173 6Bet Ari 01:54:38.5 +20:48:27 2.6 7.69 148 PPM 090772 01:25:35.7 +23:30:41 6.5 0.46 142 PPM 090755 01:24:30.8 +23:56:42 9.6 0.21 141 10MQ116 01:23:57.5 +23:46:49 14.9 141 Positions are for J2000
Event circumstances last updated at 2019/02/01 22:25:04 UT
Marc W. Buie, Southwest Research Institute