Event between (517717) 15KZ120 and star GA1560:03255540 with event index number of 1030673
Geocentric closest approach at 2020/12/16 08:19:54 UTC
J2000 position of star is 19:15:03.8 +67:23:12
Equinox of date position of star is 19:15:04.5 +67:25:27
Stellar brightness G=14.3,
use SENSEUP=64
Star is 92 degrees from the moon.
Moon is 4% illuminated.
TNO apparent brightness V=20.1
[RECON map]
TNO is 9.1 AU from the Sun
and 9.0 AU from the Earth.
The TNO is moving 35.7
km/sec on the sky relative to the star, or,
19.7 arcsec/hr.
The 1-sigma error in the time of the event is 10 seconds.
The 1-sigma cross-track error in the shadow position is
476 km.
The sky-plane scale is
6501.0 km/arcsec.
The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 1.6 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.7 sec chord
Dynamical classification is CENTAURR
Star training set for 517717, (2020/12/16 08:20UT) Object RA Dec mag sep mel Deneb 20:42:08.8 +45:21:22 1.3 24.84 73 Alderamin 21:19:04.7 +62:40:29 2.4 13.74 91 55 Dra 19:09:50.2 +66:00:49 6.3 1.50 91 PPM 021399 19:16:25.8 +67:10:23 8.0 0.28 92 517717 19:15:04.5 +67:25:27 14.3 92 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 11.7 km
RECON observability=0.5 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) |
George/Scottsdale | 08:20:16 | -73.7 | Dark | Down | 11.4 | 356.1 | Really Low | 08:18:58 - 08:21:34 | 5801 |
Yuma | 08:20:22 | -76.2 | Dark | Down | 10.6 | 355.0 | Really Low | 08:19:04 - 08:21:40 | 5780 |
Blythe | 08:20:22 | -75.6 | Dark | Down | 11.5 | 355.0 | Really Low | 08:19:04 - 08:21:40 | 5762 |
Parker | 08:20:21 | -75.0 | Dark | Down | 12.0 | 355.1 | Really Low | 08:19:03 - 08:21:39 | 5756 |
Calipatria | 08:20:25 | -76.5 | Dark | Down | 11.0 | 354.7 | Really Low | 08:19:07 - 08:21:43 | 5756 |
DCO | 08:20:18 | -73.7 | Dark | Down | 12.9 | 355.5 | Really Low | 08:19:00 - 08:21:36 | 5753 |
Lake Havasu City | 08:20:21 | -74.8 | Dark | Down | 12.3 | 355.1 | Really Low | 08:19:03 - 08:21:39 | 5749 |
Kingman/Dolan Springs | 08:20:21 | -74.2 | Dark | Down | 13.0 | 355.2 | Really Low | 08:19:03 - 08:21:39 | 5738 |
Mohave Valley | 08:20:22 | -74.7 | Dark | Down | 12.7 | 355.0 | Really Low | 08:19:04 - 08:21:40 | 5735 |
Patrick | 08:20:20 | -73.9 | Dark | Down | 13.2 | 355.2 | Really Low | 08:19:02 - 08:21:38 | 5735 |
Laughlin/Bullhead City | 08:20:21 | -74.5 | Dark | Down | 13.0 | 355.0 | Really Low | 08:19:03 - 08:21:39 | 5729 |
Idyllwild | 08:20:28 | -76.7 | Dark | Down | 11.8 | 354.2 | Really Low | 08:19:10 - 08:21:46 | 5723 |
Searchlight/Boulder City | 08:20:22 | -74.4 | Dark | Down | 13.3 | 354.8 | Really Low | 08:19:04 - 08:21:40 | 5717 |
Henderson | 08:20:23 | -74.0 | Dark | Down | 13.9 | 354.8 | Really Low | 08:19:05 - 08:21:41 | 5702 |
SwRI | 08:19:58 | -65.8 | Dark | Down | 17.4 | 358.6 | Really Low | 08:18:40 - 08:21:16 | 5682 |
Niwot | 08:19:58 | -65.7 | Dark | Down | 17.5 | 358.6 | Really Low | 08:18:40 - 08:21:16 | 5679 |
Indian Springs | 08:20:24 | -74.0 | Dark | Down | 14.5 | 354.5 | Really Low | 08:19:06 - 08:21:42 | 5677 |
Wildwood | 08:20:32 | -77.4 | Dark | Down | 12.3 | 353.5 | Really Low | 08:19:14 - 08:21:50 | 5675 |
Beatty | 08:20:26 | -74.2 | Dark | Down | 14.9 | 354.1 | Really Low | 08:19:08 - 08:21:44 | 5649 |
Tonopah | 08:20:27 | -73.4 | Dark | Down | 16.1 | 353.9 | Really Low | 08:19:09 - 08:21:45 | 5610 |
Bishop | 08:20:30 | -74.5 | Dark | Down | 15.5 | 353.5 | Really Low | 08:19:12 - 08:21:48 | 5604 |
CPSLO | 08:20:37 | -77.1 | Dark | Down | 13.7 | 352.7 | Really Low | 08:19:19 - 08:21:55 | 5601 |
Lee Vining | 08:20:31 | -74.2 | Dark | Down | 16.2 | 353.2 | Really Low | 08:19:13 - 08:21:49 | 5574 |
Hawthorne | 08:20:30 | -73.5 | Dark | Down | 16.7 | 353.3 | Really Low | 08:19:12 - 08:21:48 | 5568 |
Yerington | 08:20:31 | -73.2 | Dark | Down | 17.2 | 353.1 | Really Low | 08:19:13 - 08:21:49 | 5543 |
Gardnerville | 08:20:32 | -73.5 | Dark | Down | 17.2 | 352.9 | Really Low | 08:19:14 - 08:21:50 | 5532 |
Carson City | 08:20:32 | -73.2 | Dark | Down | 17.4 | 352.8 | Really Low | 08:19:14 - 08:21:50 | 5524 |
Reno | 08:20:33 | -72.9 | Dark | Down | 17.8 | 352.8 | Really Low | 08:19:15 - 08:21:51 | 5513 |
Portola | 08:20:33 | -72.8 | Dark | Down | 18.1 | 352.6 | Really Low | 08:19:15 - 08:21:51 | 5490 |
Quincy | 08:20:34 | -72.8 | Dark | Down | 18.3 | 352.4 | Really Low | 08:19:16 - 08:21:52 | 5474 |
Gimple | 08:20:34 | -72.6 | Dark | Down | 18.5 | 352.4 | Really Low | 08:19:16 - 08:21:52 | 5470 |
Greenville | 08:20:34 | -72.6 | Dark | Down | 18.5 | 352.4 | Really Low | 08:19:16 - 08:21:52 | 5468 |
Susanville | 08:20:33 | -72.3 | Dark | Down | 18.7 | 352.5 | Really Low | 08:19:15 - 08:21:51 | 5467 |
Cedarville | 08:20:32 | -71.1 | Dark | Down | 19.8 | 352.6 | Really Low | 08:19:14 - 08:21:50 | 5442 |
Fall River/Burney | 08:20:35 | -71.8 | Dark | Down | 19.4 | 352.1 | Really Low | 08:19:17 - 08:21:53 | 5429 |
Lakeview | 08:20:31 | -70.5 | Dark | Down | 20.5 | 352.5 | Low | 08:19:13 - 08:21:49 | 5416 |
Paisley | 08:20:32 | -70.1 | Dark | Down | 21.0 | 352.4 | Low | 08:19:14 - 08:21:50 | 5394 |
Klamath Falls | 08:20:35 | -70.8 | Dark | Down | 20.7 | 351.9 | Low | 08:19:17 - 08:21:53 | 5381 |
North Lake | 08:20:32 | -69.6 | Dark | Down | 21.6 | 352.2 | Low | 08:19:14 - 08:21:50 | 5366 |
La Pine/Gilchrist | 08:20:33 | -69.3 | Dark | Down | 22.1 | 352.0 | Low | 08:19:15 - 08:21:51 | 5337 |
Oregon Observatory | 08:20:33 | -69.1 | Dark | Down | 22.3 | 352.0 | Low | 08:19:15 - 08:21:51 | 5331 |
Bend | 08:20:32 | -68.9 | Dark | Down | 22.4 | 352.0 | Low | 08:19:14 - 08:21:50 | 5327 |
Redmond | 08:20:32 | -68.7 | Dark | Down | 22.6 | 352.1 | Low | 08:19:14 - 08:21:50 | 5322 |
Sisters | 08:20:33 | -68.7 | Dark | Down | 22.7 | 351.9 | Low | 08:19:15 - 08:21:51 | 5312 |
PNWRO | 08:20:26 | -66.6 | Dark | Down | 24.1 | 352.9 | Low | 08:19:08 - 08:21:44 | 5300 |
Maupin | 08:20:31 | -67.8 | Dark | Down | 23.5 | 352.0 | Low | 08:19:13 - 08:21:49 | 5289 |
Pasco | 08:20:27 | -66.4 | Dark | Down | 24.4 | 352.8 | Low | 08:19:09 - 08:21:45 | 5285 |
The Dalles | 08:20:31 | -67.4 | Dark | Down | 23.9 | 352.0 | Low | 08:19:13 - 08:21:49 | 5270 |
Goldendale | 08:20:30 | -67.1 | Dark | Down | 24.1 | 352.1 | Low | 08:19:12 - 08:21:48 | 5269 |
Toppenish/White Swan | 08:20:29 | -66.5 | Dark | Down | 24.6 | 352.2 | Low | 08:19:11 - 08:21:47 | 5255 |
Yakima | 08:20:29 | -66.3 | Dark | Down | 24.9 | 352.2 | Low | 08:19:11 - 08:21:47 | 5242 |
Ellensburg | 08:20:29 | -65.9 | Dark | Down | 25.3 | 352.1 | Low | 08:19:11 - 08:21:47 | 5225 |
Wenatchee | 08:20:28 | -65.5 | Dark | Down | 25.7 | 352.2 | Low | 08:19:10 - 08:21:46 | 5212 |
Entiat | 08:20:28 | -65.2 | Dark | Down | 25.9 | 352.2 | Low | 08:19:10 - 08:21:46 | 5203 |
Manson/Chelan | 08:20:27 | -65.0 | Dark | Down | 26.1 | 352.2 | Low | 08:19:09 - 08:21:45 | 5195 |
Brewster | 08:20:26 | -64.7 | Dark | Down | 26.3 | 352.4 | Low | 08:19:08 - 08:21:44 | 5193 |
Okanogan | 08:20:26 | -64.4 | Dark | Down | 26.5 | 352.4 | Low | 08:19:08 - 08:21:44 | 5184 |
Tonasket | 08:20:25 | -64.1 | Dark | Down | 26.9 | 352.5 | Low | 08:19:07 - 08:21:43 | 5172 |
Anarchist Mountain Observatory | 08:20:25 | -63.8 | Dark | Down | 27.2 | 352.5 | Low | 08:19:07 - 08:21:43 | 5159 |
Oliver | 08:20:26 | -63.6 | Dark | Down | 27.3 | 352.4 | Low | 08:19:08 - 08:21:44 | 5147 |
Penticton | 08:20:25 | -63.3 | Dark | Down | 27.7 | 352.4 | Low | 08:19:07 - 08:21:43 | 5131 |
Summerland | 08:20:26 | -63.2 | Dark | Down | 27.8 | 352.3 | Low | 08:19:08 - 08:21:44 | 5126 |
Kelowna | 08:20:25 | -63.0 | Dark | Down | 28.0 | 352.4 | Low | 08:19:07 - 08:21:43 | 5117 |
Peachland | 08:20:25 | -63.1 | Dark | Down | 27.9 | 352.3 | Low | 08:19:07 - 08:21:43 | 5117 |
Clarence Fulton | 08:20:25 | -62.6 | Dark | Down | 28.4 | 352.4 | Low | 08:19:07 - 08:21:43 | 5101 |
Victoria | 08:20:33 | -64.7 | Dark | Down | 27.1 | 350.9 | Low | 08:19:15 - 08:21:51 | 5096 |
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 517717, (2020/12/16 08:20UT) Object RA Dec mag sep mel Deneb 20:41:25.9 +45:16:49 1.3 24.84 73 Alderamin 21:18:35.2 +62:35:09 2.4 13.74 91 55 Dra 19:09:45.8 +65:58:43 6.3 1.50 91 PPM 021399 19:16:24.2 +67:08:06 8.0 0.28 92 517717 19:15:03.8 +67:23:12 14.3 92 Positions are for J2000
Event circumstances last updated at 2020/12/04 19:32:56 UT
Marc W. Buie, Southwest Research Institute