Event between 14WO510 and star GA1120:00870396 with event index number of 308396
Geocentric closest approach at 2020/02/03 09:46:48 UTC
J2000 position of star is 04:57:25.5 +23:33:38
Equinox of date position of star is 04:58:37.4 +23:35:24
Stellar brightness G=15.5,
use SENSEUP=128
Star is 17 degrees from the moon.
Moon is 63% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 32.5 AU from the Sun
and 31.9 AU from the Earth.
The TNO is moving 10.6
km/sec on the sky relative to the star, or,
1.6 arcsec/hr.
The 1-sigma error in the time of the event is 279 seconds.
The 1-sigma cross-track error in the shadow position is
1453 km.
The sky-plane scale is
23156.0 km/arcsec.
The TNO has an absolute magnitude Hv=7.1
Diameter=234.4 km assuming a 5% albedo -- 22.1 sec chord
Diameter=95.7 km assuming a 30% albedo -- 9.0 sec chord
Dynamical classification is 3:2E
Star training set for 14WO510, (2020/02/03 09:47UT) Object RA Dec mag sep mel Aldebaran 04:37:04.6 +16:32:53 0.8 8.67 11 Alnath 05:27:33.8 +28:37:21 1.6 8.21 25 98 Tau 04:59:23.3 +25:04:47 5.8 1.50 18 PPM 093909 04:57:48.8 +23:19:32 8.5 0.33 17 14WO510 04:58:38.6 +23:35:26 15.5 17 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
3.2 sigma about the mid-time.
The median site spacing is 25.7 km
RECON observability=0.6 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) |
| Clarence Fulton | 09:39:46 | -51.9 | Dark | Up | 21.4 | 281.5 | Low | 09:24:46 - 09:54:46 | 6585 |
| Kelowna | 09:39:44 | -52.3 | Dark | Up | 21.5 | 281.5 | Low | 09:24:44 - 09:54:44 | 6550 |
| Summerland | 09:39:41 | -52.6 | Dark | Up | 21.5 | 281.5 | Low | 09:24:41 - 09:54:41 | 6525 |
| Penticton | 09:39:40 | -52.6 | Dark | Up | 21.5 | 281.6 | Low | 09:24:40 - 09:54:40 | 6523 |
| Oliver | 09:39:39 | -52.9 | Dark | Up | 21.4 | 281.7 | Low | 09:24:39 - 09:54:39 | 6495 |
| Anarchist Mountain Observatory | 09:39:37 | -53.0 | Dark | Up | 21.2 | 281.9 | Low | 09:24:37 - 09:54:37 | 6488 |
| Tonasket | 09:39:35 | -53.2 | Dark | Up | 21.2 | 282.0 | Low | 09:24:35 - 09:54:35 | 6461 |
| Okanogan | 09:39:32 | -53.6 | Dark | Up | 21.3 | 282.0 | Low | 09:24:32 - 09:54:32 | 6431 |
| Brewster | 09:39:32 | -53.9 | Dark | Up | 21.3 | 282.0 | Low | 09:24:32 - 09:54:32 | 6404 |
| Manson/Chelan | 09:39:31 | -54.2 | Dark | Up | 21.5 | 281.8 | Low | 09:24:31 - 09:54:31 | 6376 |
| Entiat | 09:39:29 | -54.4 | Dark | Up | 21.5 | 281.8 | Low | 09:24:29 - 09:54:29 | 6357 |
| Victoria | 09:39:39 | -54.9 | Dark | Up | 23.8 | 279.3 | Low | 09:24:39 - 09:54:39 | 6335 |
| Wenatchee | 09:39:26 | -54.6 | Dark | Up | 21.6 | 281.8 | Low | 09:24:26 - 09:54:26 | 6334 |
| Ellensburg | 09:39:24 | -55.1 | Dark | Up | 21.6 | 281.8 | Low | 09:24:24 - 09:54:24 | 6294 |
| Pasco | 09:39:18 | -55.1 | Dark | Up | 20.5 | 283.1 | Low | 09:24:18 - 09:54:18 | 6276 |
| PNWRO | 09:39:16 | -55.2 | Dark | Up | 20.3 | 283.3 | Low | 09:24:16 - 09:54:16 | 6263 |
| Yakima | 09:39:20 | -55.4 | Dark | Up | 21.6 | 282.0 | Low | 09:24:20 - 09:54:20 | 6261 |
| Toppenish/White Swan | 09:39:20 | -55.5 | Dark | Up | 21.4 | 282.2 | Low | 09:24:20 - 09:54:20 | 6248 |
| Niwot | 09:38:34 | -51.0 | Dark | Down | 9.1 | 293.2 | Really Low | 09:23:34 - 09:53:34 | 6235 |
| SwRI | 09:38:34 | -51.1 | Dark | Down | 9.1 | 293.2 | Really Low | 09:23:34 - 09:53:34 | 6223 |
| Goldendale | 09:39:16 | -56.1 | Dark | Up | 21.6 | 282.1 | Low | 09:24:16 - 09:54:16 | 6190 |
| The Dalles | 09:39:14 | -56.5 | Dark | Up | 21.8 | 281.9 | Low | 09:24:14 - 09:54:14 | 6160 |
| Maupin | 09:39:12 | -56.8 | Dark | Up | 21.6 | 282.2 | Low | 09:24:12 - 09:54:12 | 6129 |
| Redmond | 09:39:06 | -57.5 | Dark | Up | 21.5 | 282.4 | Low | 09:24:06 - 09:54:06 | 6051 |
| Sisters | 09:39:07 | -57.7 | Dark | Up | 21.8 | 282.2 | Low | 09:24:07 - 09:54:07 | 6041 |
| Bend | 09:39:05 | -57.8 | Dark | Up | 21.6 | 282.4 | Low | 09:24:05 - 09:54:05 | 6029 |
| Oregon Observatory | 09:39:04 | -58.0 | Dark | Up | 21.6 | 282.4 | Low | 09:24:04 - 09:54:04 | 6010 |
| La Pine/Gilchrist | 09:39:03 | -58.2 | Dark | Up | 21.7 | 282.4 | Low | 09:24:03 - 09:54:03 | 5991 |
| North Lake | 09:38:59 | -58.2 | Dark | Up | 21.1 | 283.0 | Low | 09:23:59 - 09:53:59 | 5973 |
| Paisley | 09:38:54 | -58.5 | Dark | Up | 20.8 | 283.4 | Low | 09:23:54 - 09:53:54 | 5937 |
| Lakeview | 09:38:50 | -58.8 | Dark | Up | 20.5 | 283.7 | Low | 09:23:50 - 09:53:50 | 5900 |
| Klamath Falls | 09:38:53 | -59.4 | Dark | Up | 21.6 | 282.8 | Low | 09:23:53 - 09:53:53 | 5858 |
| Cedarville | 09:38:45 | -59.2 | Dark | Up | 20.3 | 284.0 | Low | 09:23:45 - 09:53:45 | 5849 |
| Fall River/Burney | 09:38:45 | -60.2 | Dark | Up | 21.0 | 283.5 | Low | 09:23:45 - 09:53:45 | 5767 |
| Susanville | 09:38:40 | -60.3 | Dark | Up | 20.4 | 284.1 | Low | 09:23:40 - 09:53:40 | 5736 |
| Gimple | 09:38:40 | -60.6 | Dark | Up | 20.4 | 284.1 | Low | 09:23:40 - 09:53:40 | 5705 |
| Greenville | 09:38:41 | -60.6 | Dark | Up | 20.5 | 284.1 | Low | 09:23:41 - 09:53:41 | 5702 |
| Portola | 09:38:38 | -60.6 | Dark | Up | 20.1 | 284.4 | Low | 09:23:38 - 09:53:38 | 5689 |
| Reno | 09:38:34 | -60.5 | Dark | Up | 19.5 | 284.9 | Really Low | 09:23:34 - 09:53:34 | 5687 |
| Quincy | 09:38:39 | -60.8 | Dark | Up | 20.5 | 284.1 | Low | 09:23:39 - 09:53:39 | 5685 |
| Yerington | 09:38:30 | -60.5 | Dark | Up | 18.9 | 285.4 | Really Low | 09:23:30 - 09:53:30 | 5660 |
| Carson City | 09:38:33 | -60.7 | Dark | Up | 19.4 | 285.0 | Really Low | 09:23:33 - 09:53:33 | 5656 |
| Tonopah | 09:38:22 | -60.0 | Dark | Up | 17.2 | 286.8 | Really Low | 09:23:22 - 09:53:22 | 5644 |
| Hawthorne | 09:38:27 | -60.5 | Dark | Up | 18.4 | 285.9 | Really Low | 09:23:27 - 09:53:27 | 5637 |
| Gardnerville | 09:38:30 | -60.9 | Dark | Up | 19.3 | 285.1 | Really Low | 09:23:30 - 09:53:30 | 5636 |
| Lee Vining | 09:38:24 | -61.2 | Dark | Up | 18.6 | 285.8 | Really Low | 09:23:24 - 09:53:24 | 5571 |
| Indian Springs | 09:38:12 | -59.9 | Dark | Down | 15.6 | 288.0 | Really Low | 09:23:12 - 09:53:12 | 5566 |
| Beatty | 09:38:16 | -60.4 | Dark | Down | 16.5 | 287.4 | Really Low | 09:23:16 - 09:53:16 | 5557 |
| Henderson | 09:38:09 | -59.8 | Dark | Down | 14.9 | 288.5 | Really Low | 09:23:09 - 09:53:09 | 5543 |
| Bishop | 09:38:19 | -61.2 | Dark | Up | 17.9 | 286.4 | Really Low | 09:23:19 - 09:53:19 | 5542 |
| Patrick | 09:38:05 | -59.3 | Dark | Down | 13.9 | 289.2 | Really Low | 09:23:05 - 09:53:05 | 5527 |
| DCO | 09:38:05 | -59.0 | Dark | Down | 13.2 | 289.7 | Really Low | 09:23:05 - 09:53:05 | 5526 |
| Kingman/Dolan Springs | 09:38:05 | -59.6 | Dark | Down | 14.0 | 289.2 | Really Low | 09:23:05 - 09:53:05 | 5500 |
| Searchlight/Boulder City | 09:38:06 | -60.0 | Dark | Down | 14.7 | 288.7 | Really Low | 09:23:06 - 09:53:06 | 5494 |
| Laughlin/Bullhead City | 09:38:05 | -60.0 | Dark | Down | 14.4 | 288.9 | Really Low | 09:23:05 - 09:53:05 | 5479 |
| Mohave Valley | 09:38:04 | -60.1 | Dark | Down | 14.3 | 289.0 | Really Low | 09:23:04 - 09:53:04 | 5455 |
| George/Scottsdale | 09:37:57 | -58.7 | Dark | Down | 11.8 | 290.6 | Really Low | 09:22:57 - 09:52:57 | 5449 |
| Lake Havasu City | 09:38:00 | -60.1 | Dark | Down | 14.0 | 289.2 | Really Low | 09:23:00 - 09:53:00 | 5428 |
| Parker | 09:37:59 | -60.3 | Dark | Down | 13.8 | 289.3 | Really Low | 09:22:59 - 09:52:59 | 5398 |
| Blythe | 09:37:56 | -60.8 | Dark | Down | 13.9 | 289.3 | Really Low | 09:22:56 - 09:52:56 | 5339 |
| CPSLO | 09:38:12 | -63.9 | Dark | Up | 19.1 | 285.8 | Really Low | 09:23:12 - 09:53:12 | 5276 |
| Idyllwild | 09:37:58 | -62.2 | Dark | Down | 15.6 | 288.2 | Really Low | 09:22:58 - 09:52:58 | 5273 |
| Calipatria | 09:37:55 | -61.7 | Dark | Down | 14.5 | 288.9 | Really Low | 09:22:55 - 09:52:55 | 5260 |
| Yuma | 09:37:52 | -61.3 | Dark | Down | 13.6 | 289.5 | Really Low | 09:22:52 - 09:52:52 | 5253 |
| Wildwood | 09:38:04 | -63.3 | Dark | Up | 17.2 | 287.2 | Really Low | 09:23:04 - 09:53:04 | 5237 |
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 14WO510, (2020/02/03 09:47UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 8.67 11 Alnath 05:26:17.5 +28:36:23 1.6 8.21 25 98 Tau 04:58:09.4 +25:03:00 5.8 1.50 18 PPM 093909 04:56:35.9 +23:17:43 8.5 0.33 17 14WO510 04:57:25.5 +23:33:38 15.5 17 Positions are for J2000
Event circumstances last updated at 2019/10/15 22:07:12 UT
Marc W. Buie, Southwest Research Institute