Event between 14WP509 and star GA1160:02687749 with event index number of 1051477
Geocentric closest approach at 2021/01/29 05:15:36 UTC
J2000 position of star is 07:04:00.6 +27:55:18
Equinox of date position of star is 07:05:13.6 +27:53:30
Stellar brightness G=15.4,
use SENSEUP=128
Star is 31 degrees from the moon.
Moon is 100% illuminated.
TNO apparent brightness V=21.1
[RECON map]
TNO is 42.8 AU from the Sun
and 41.9 AU from the Earth.
The TNO is moving 22.9
km/sec on the sky relative to the star, or,
2.7 arcsec/hr.
The 1-sigma error in the time of the event is 473 seconds.
The 1-sigma cross-track error in the shadow position is
2957 km.
The sky-plane scale is
30374.4 km/arcsec.
The TNO has an absolute magnitude Hv=4.8
Diameter=651.7 km assuming a 5% albedo -- 28.5 sec chord
Diameter=266.0 km assuming a 30% albedo -- 11.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 14WP509, (2021/01/29 05:16UT) Object RA Dec mag sep mel Pollux 07:46:36.2 +27:58:25 1.1 9.11 22 PPM 097053 07:08:44.1 +28:08:32 6.2 0.79 30 PPM 097026 07:07:30.0 +28:09:30 8.3 0.55 30 PPM 096999 07:06:22.3 +27:45:36 10.4 0.26 30 14WP509 07:05:19.8 +27:53:21 15.4 30 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
1.9 sigma about the mid-time.
The median site spacing is 23.9 km
RECON observability=1.0 and success probability=9.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 05:16:40 | -42.8 | Dark | Up | 64.3 | 142.2 | Up | 05:01:40 - 05:31:40 | -3843 |
| Summerland | 05:16:41 | -42.8 | Dark | Up | 64.4 | 141.3 | Up | 05:01:41 - 05:31:41 | -3873 |
| Penticton | 05:16:41 | -42.9 | Dark | Up | 64.5 | 141.4 | Up | 05:01:41 - 05:31:41 | -3880 |
| Okanagan Falls | 05:16:41 | -42.9 | Dark | Up | 64.6 | 141.1 | Up | 05:01:41 - 05:31:41 | -3900 |
| Oliver | 05:16:41 | -43.0 | Dark | Up | 64.8 | 140.9 | Up | 05:01:41 - 05:31:41 | -3917 |
| Anarchist Mountain Observatory | 05:16:40 | -43.2 | Dark | Up | 65.0 | 141.0 | Up | 05:01:40 - 05:31:40 | -3935 |
| Oroville | 05:16:41 | -43.2 | Dark | Up | 65.0 | 140.8 | Up | 05:01:41 - 05:31:41 | -3943 |
| Tonasket | 05:16:41 | -43.3 | Dark | Up | 65.2 | 140.5 | Up | 05:01:41 - 05:31:41 | -3967 |
| Okanogan | 05:16:42 | -43.4 | Dark | Up | 65.4 | 139.8 | Up | 05:01:42 - 05:31:42 | -4001 |
| Brewster | 05:16:42 | -43.4 | Dark | Up | 65.5 | 139.0 | Up | 05:01:42 - 05:31:42 | -4029 |
| Manson/Chelan | 05:16:44 | -43.2 | Dark | Up | 65.5 | 138.0 | Up | 05:01:44 - 05:31:44 | -4049 |
| Entiat | 05:16:44 | -43.3 | Dark | Up | 65.6 | 137.6 | Up | 05:01:44 - 05:31:44 | -4071 |
| Wenatchee | 05:16:44 | -43.3 | Dark | Up | 65.8 | 137.0 | Up | 05:01:44 - 05:31:44 | -4097 |
| Ellensburg | 05:16:45 | -43.3 | Dark | Up | 66.0 | 136.0 | Up | 05:01:45 - 05:31:45 | -4139 |
| Yakima | 05:16:45 | -43.5 | Dark | Up | 66.3 | 135.3 | Up | 05:01:45 - 05:31:45 | -4182 |
| Toppenish/White Swan | 05:16:45 | -43.7 | Dark | Up | 66.5 | 135.3 | Up | 05:01:45 - 05:31:45 | -4206 |
| Pasco | 05:16:42 | -44.5 | Dark | Up | 67.2 | 137.5 | Up | 05:01:42 - 05:31:42 | -4225 |
| PNWRO | 05:16:41 | -44.8 | Dark | Up | 67.5 | 137.5 | Up | 05:01:41 - 05:31:41 | -4252 |
| George/Umatilla | 05:16:42 | -44.5 | Dark | Up | 67.3 | 136.5 | Up | 05:01:42 - 05:31:42 | -4259 |
| Goldendale | 05:16:45 | -43.6 | Dark | Up | 66.7 | 133.6 | Up | 05:01:45 - 05:31:45 | -4262 |
| The Dalles | 05:16:45 | -43.5 | Dark | Up | 66.6 | 132.5 | Up | 05:01:45 - 05:31:45 | -4284 |
| Maupin | 05:16:45 | -43.7 | Dark | Up | 67.0 | 132.0 | Up | 05:01:45 - 05:31:45 | -4329 |
| Madras/Culver | 05:16:44 | -43.9 | Dark | Up | 67.3 | 130.9 | Up | 05:01:44 - 05:31:44 | -4387 |
| Sisters | 05:16:51 | -43.7 | Dark | Up | 67.3 | 129.6 | Up | 05:01:51 - 05:31:51 | -4419 |
| Redmond | 05:16:49 | -44.0 | Dark | Up | 67.5 | 130.2 | Up | 05:01:49 - 05:31:49 | -4424 |
| Bend | 05:16:50 | -43.9 | Dark | Up | 67.6 | 129.6 | Up | 05:01:50 - 05:31:50 | -4446 |
| Oregon Observatory | 05:16:51 | -43.9 | Dark | Up | 67.6 | 129.0 | Up | 05:01:51 - 05:31:51 | -4463 |
| La Pine/Gilchrist | 05:16:51 | -43.9 | Dark | Up | 67.7 | 128.5 | Up | 05:01:51 - 05:31:51 | -4485 |
| North Lake | 05:16:49 | -44.5 | Dark | Up | 68.3 | 128.8 | Up | 05:01:49 - 05:31:49 | -4535 |
| Paisley | 05:16:45 | -44.9 | Dark | Up | 68.9 | 128.3 | Up | 05:01:45 - 05:31:45 | -4597 |
| Chiloquin | 05:16:53 | -44.0 | Dark | Up | 68.2 | 125.7 | Up | 05:01:53 - 05:31:53 | -4601 |
| Klamath Falls | 05:16:53 | -44.2 | Dark | Up | 68.4 | 125.2 | Up | 05:01:53 - 05:31:53 | -4639 |
| Lakeview | 05:16:44 | -45.2 | Dark | Up | 69.3 | 127.6 | Up | 05:01:44 - 05:31:44 | -4652 |
| Tulelake | 05:16:52 | -44.5 | Dark | Up | 68.8 | 125.1 | Up | 05:01:52 - 05:31:52 | -4670 |
| Cedarville | 05:16:45 | -45.5 | Dark | Up | 69.8 | 126.5 | Up | 05:01:45 - 05:31:45 | -4724 |
| Fall River/Burney | 05:16:52 | -44.8 | Dark | Up | 69.3 | 123.3 | Up | 05:01:52 - 05:31:52 | -4768 |
| Susanville | 05:16:51 | -45.6 | Dark | Up | 70.1 | 123.2 | Up | 05:01:51 - 05:31:51 | -4841 |
| Greenville | 05:16:52 | -45.4 | Dark | Up | 70.1 | 122.0 | Up | 05:01:52 - 05:31:52 | -4869 |
| Gimple | 05:16:52 | -45.5 | Dark | Up | 70.2 | 122.2 | Up | 05:01:52 - 05:31:52 | -4869 |
| Niwot | 05:15:55 | -56.3 | Dark | Up | 77.5 | 165.6 | Up | 05:00:55 - 05:30:55 | -4886 |
| Quincy | 05:16:52 | -45.5 | Dark | Up | 70.2 | 121.6 | Up | 05:01:52 - 05:31:52 | -4891 |
| SwRI | 05:15:55 | -56.2 | Dark | Up | 77.6 | 165.1 | Up | 05:00:55 - 05:30:55 | -4897 |
| Portola | 05:16:50 | -45.9 | Dark | Up | 70.6 | 122.1 | Up | 05:01:50 - 05:31:50 | -4907 |
| Reno | 05:16:45 | -46.4 | Dark | Up | 71.1 | 122.6 | Up | 05:01:45 - 05:31:45 | -4941 |
| Carson City | 05:16:44 | -46.5 | Dark | Up | 71.3 | 121.7 | Up | 05:01:44 - 05:31:44 | -4980 |
| Yerington | 05:16:44 | -47.0 | Dark | Up | 71.9 | 122.4 | Up | 05:01:44 - 05:31:44 | -5004 |
| Gardnerville | 05:16:44 | -46.6 | Dark | Up | 71.5 | 121.2 | Up | 05:01:44 - 05:31:44 | -5007 |
| Hawthorne | 05:16:44 | -47.6 | Dark | Up | 72.5 | 122.2 | Up | 05:01:44 - 05:31:44 | -5057 |
| Tonopah | 05:16:39 | -48.8 | Dark | Up | 73.6 | 123.8 | Up | 05:01:39 - 05:31:39 | -5114 |
| Lee Vining | 05:16:45 | -47.4 | Dark | Up | 72.4 | 119.8 | Up | 05:01:45 - 05:31:45 | -5116 |
| Bishop | 05:16:44 | -48.1 | Dark | Up | 73.2 | 119.4 | Up | 05:01:44 - 05:31:44 | -5185 |
| Beatty | 05:16:38 | -49.4 | Dark | Up | 74.6 | 121.3 | Up | 05:01:38 - 05:31:38 | -5242 |
| Lone Pine | 05:16:43 | -48.5 | Dark | Up | 73.8 | 117.8 | Up | 05:01:43 - 05:31:43 | -5270 |
| Indian Springs | 05:16:34 | -50.4 | Dark | Up | 75.5 | 122.6 | Up | 05:01:34 - 05:31:34 | -5282 |
| Henderson | 05:16:32 | -51.0 | Dark | Up | 76.2 | 122.4 | Up | 05:01:32 - 05:31:32 | -5342 |
| CPSLO | 05:16:54 | -46.8 | Dark | Up | 72.4 | 109.6 | Up | 05:01:54 - 05:31:54 | -5398 |
| Searchlight/Boulder City | 05:16:31 | -51.3 | Dark | Up | 76.6 | 120.5 | Up | 05:01:31 - 05:31:31 | -5405 |
| Patrick | 05:16:27 | -52.1 | Dark | Up | 77.3 | 122.8 | Up | 05:01:27 - 05:31:27 | -5413 |
| Kingman/Dolan Springs | 05:16:28 | -52.0 | Dark | Up | 77.3 | 121.5 | Up | 05:01:28 - 05:31:28 | -5437 |
| Laughlin/Bullhead City | 05:16:30 | -51.6 | Dark | Up | 76.9 | 120.2 | Up | 05:01:30 - 05:31:30 | -5439 |
| DCO | 05:16:25 | -52.7 | Dark | Up | 78.0 | 123.5 | Up | 05:01:25 - 05:31:25 | -5448 |
| Mohave Valley | 05:16:30 | -51.7 | Dark | Up | 77.1 | 119.2 | Up | 05:01:30 - 05:31:30 | -5469 |
| Lake Havasu City | 05:16:30 | -52.0 | Dark | Up | 77.5 | 118.2 | Up | 05:01:30 - 05:31:30 | -5513 |
| Wildwood | 05:16:45 | -48.7 | Dark | Up | 74.4 | 108.8 | Up | 05:01:45 - 05:31:45 | -5543 |
| Parker | 05:16:30 | -52.1 | Dark | Up | 77.6 | 116.8 | Up | 05:01:30 - 05:31:30 | -5552 |
| Idyllwild | 05:16:39 | -50.3 | Dark | Up | 76.0 | 110.5 | Up | 05:01:39 - 05:31:39 | -5591 |
| Blythe | 05:16:31 | -52.0 | Dark | Up | 77.6 | 114.0 | Up | 05:01:31 - 05:31:31 | -5610 |
| Calipatria | 05:16:35 | -51.4 | Dark | Up | 77.1 | 110.2 | Up | 05:01:35 - 05:31:35 | -5662 |
| Yuma | 05:16:31 | -52.2 | Dark | Up | 78.0 | 110.0 | Up | 05:01:31 - 05:31:31 | -5712 |
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 14WP509, (2021/01/29 05:16UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 9.11 22 PPM 097053 07:07:24.8 +28:10:36 6.2 0.79 30 PPM 097026 07:06:10.7 +28:11:31 8.3 0.55 30 PPM 096999 07:05:03.2 +27:47:36 10.4 0.26 30 14WP509 07:04:00.6 +27:55:18 15.4 30 Positions are for J2000
Event circumstances last updated at 2019/06/08 00:55:17 UT
Marc W. Buie, Southwest Research Institute