Event between 14YD50 and star GA0980:03329308 with event index number of 322212
Geocentric closest approach at 2019/05/09 04:32:48 UTC
J2000 position of star is 08:20:01.7 +08:53:10
Equinox of date position of star is 08:21:03.8 +08:49:29
Stellar brightness G=12.5,
use SENSEUP=16
Star is 26 degrees from the moon.
Moon is 20% illuminated.
TNO apparent brightness V=22.3
[RECON map]
TNO is 33.5 AU from the Sun
and 33.7 AU from the Earth.
The TNO is moving 13.8
km/sec on the sky relative to the star, or,
2.0 arcsec/hr.
The 1-sigma error in the time of the event is 314 seconds.
The 1-sigma cross-track error in the shadow position is
2418 km.
The sky-plane scale is
24451.2 km/arcsec.
The TNO has an absolute magnitude Hv=6.8
Diameter=267.9 km assuming a 5% albedo -- 19.5 sec chord
Diameter=109.4 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is SCATNEAR
Star training set for 14YD50, (2019/05/09 04:33UT) Object RA Dec mag sep mel Pollux 07:46:29.9 +27:58:40 1.1 20.82 14 17Bet Cnc 08:17:33.8 +09:07:29 3.5 0.92 25 PPM 154305 08:21:32.1 +09:20:16 7.8 0.53 26 PPM 154313 08:21:58.4 +08:40:49 10.0 0.26 26 14YD50 08:21:04.5 +08:49:27 12.5 26 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
2.9 sigma about the mid-time.
The median site spacing is 24.7 km
RECON observability=0.5 and success probability=6.5%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 04:37:02 | -10.0 | NT | Up | 30.9 | 244.4 | Up | 04:22:02 - 04:52:02 | -2048 |
| Summerland | 04:37:02 | -9.9 | NT | Up | 31.1 | 244.1 | Up | 04:22:02 - 04:52:02 | -2050 |
| Penticton | 04:37:02 | -10.2 | NT | Up | 31.2 | 244.5 | Up | 04:22:02 - 04:52:02 | -2082 |
| Okanagan Falls | 04:37:02 | -10.3 | NT | Up | 31.3 | 244.6 | Up | 04:22:02 - 04:52:02 | -2100 |
| Oliver | 04:37:02 | -10.4 | NT | Up | 31.3 | 244.7 | Up | 04:22:02 - 04:52:02 | -2116 |
| Anarchist Mountain Observatory | 04:37:02 | -10.7 | NT | Up | 31.3 | 244.9 | Up | 04:22:02 - 04:52:02 | -2134 |
| Oroville | 04:37:02 | -10.7 | NT | Up | 31.4 | 244.9 | Up | 04:22:02 - 04:52:02 | -2140 |
| Tonasket | 04:37:02 | -10.8 | NT | Up | 31.4 | 245.1 | Up | 04:22:02 - 04:52:02 | -2163 |
| Okanogan | 04:37:02 | -11.0 | NT | Up | 31.7 | 245.1 | Up | 04:22:02 - 04:52:02 | -2195 |
| Brewster | 04:37:02 | -11.1 | NT | Up | 31.9 | 245.1 | Up | 04:22:02 - 04:52:02 | -2220 |
| Manson/Chelan | 04:37:02 | -11.0 | NT | Up | 32.2 | 244.8 | Up | 04:22:02 - 04:52:02 | -2238 |
| Entiat | 04:37:02 | -11.1 | NT | Up | 32.4 | 244.9 | Up | 04:22:02 - 04:52:02 | -2259 |
| Wenatchee | 04:37:02 | -11.3 | NT | Up | 32.5 | 245.0 | Up | 04:22:02 - 04:52:02 | -2284 |
| Ellensburg | 04:37:02 | -11.4 | NT | Up | 32.8 | 245.0 | Up | 04:22:02 - 04:52:02 | -2323 |
| Yakima | 04:37:02 | -11.7 | NT | Up | 33.0 | 245.2 | Up | 04:22:02 - 04:52:02 | -2363 |
| Toppenish/White Swan | 04:37:02 | -11.9 | NT | Up | 33.0 | 245.5 | Up | 04:22:02 - 04:52:02 | -2386 |
| Pasco | 04:37:02 | -12.6 | AT | Up | 32.3 | 246.7 | Up | 04:22:02 - 04:52:02 | -2409 |
| PNWRO | 04:37:02 | -12.9 | AT | Up | 32.2 | 247.1 | Up | 04:22:02 - 04:52:02 | -2436 |
| Goldendale | 04:37:02 | -12.0 | AT | Up | 33.5 | 245.4 | Up | 04:22:02 - 04:52:02 | -2437 |
| George/Umatilla | 04:37:02 | -12.8 | AT | Up | 32.5 | 246.7 | Up | 04:22:02 - 04:52:02 | -2441 |
| The Dalles | 04:37:02 | -12.0 | NT | Up | 33.8 | 245.2 | Up | 04:22:02 - 04:52:02 | -2457 |
| Maupin | 04:37:02 | -12.3 | AT | Up | 33.9 | 245.6 | Up | 04:22:02 - 04:52:02 | -2500 |
| Madras/Culver | 04:37:02 | -12.7 | AT | Up | 34.2 | 245.9 | Up | 04:22:02 - 04:52:02 | -2555 |
| Sisters | 04:37:02 | -12.6 | AT | Up | 34.6 | 245.7 | Up | 04:22:02 - 04:52:02 | -2584 |
| Redmond | 04:37:02 | -12.9 | AT | Up | 34.4 | 246.1 | Up | 04:22:02 - 04:52:02 | -2590 |
| Bend | 04:37:02 | -12.9 | AT | Up | 34.6 | 246.1 | Up | 04:22:02 - 04:52:02 | -2611 |
| Oregon Observatory | 04:37:02 | -13.0 | AT | Up | 34.7 | 246.1 | Up | 04:22:02 - 04:52:02 | -2627 |
| North Lake | 04:37:46 | -13.8 | AT | Up | 34.5 | 247.1 | Up | 04:22:46 - 04:52:46 | -2629 |
| La Pine/Gilchrist | 04:37:02 | -13.1 | AT | Up | 34.8 | 246.2 | Up | 04:22:02 - 04:52:02 | -2648 |
| Paisley | 04:37:50 | -14.4 | AT | Up | 34.4 | 247.8 | Up | 04:22:50 - 04:52:50 | -2681 |
| Klamath Falls | 04:37:46 | -13.9 | AT | Up | 35.5 | 247.0 | Up | 04:22:46 - 04:52:46 | -2728 |
| Lakeview | 04:37:52 | -14.8 | AT | Up | 34.5 | 248.3 | Up | 04:22:52 - 04:52:52 | -2730 |
| Tulelake | 04:37:48 | -14.3 | AT | Up | 35.4 | 247.5 | Up | 04:22:48 - 04:52:48 | -2754 |
| Chiloquin | 04:37:02 | -13.6 | AT | Up | 35.5 | 246.6 | Up | 04:22:02 - 04:52:02 | -2758 |
| Cedarville | 04:37:55 | -15.3 | AT | Up | 34.6 | 248.9 | Up | 04:22:55 - 04:52:55 | -2792 |
| Fall River/Burney | 04:37:52 | -14.9 | AT | Up | 35.6 | 248.1 | Up | 04:22:52 - 04:52:52 | -2842 |
| Niwot | 04:38:49 | -24.2 | Dark | Up | 23.8 | 261.3 | Low | 04:23:49 - 04:53:49 | -2862 |
| SwRI | 04:38:50 | -24.2 | Dark | Up | 23.9 | 261.3 | Low | 04:23:50 - 04:53:50 | -2873 |
| Susanville | 04:37:56 | -15.8 | AT | Up | 35.3 | 249.2 | Up | 04:22:56 - 04:52:56 | -2902 |
| Greenville | 04:37:56 | -15.8 | AT | Up | 35.6 | 249.1 | Up | 04:22:56 - 04:52:56 | -2929 |
| Gimple | 04:37:56 | -15.8 | AT | Up | 35.6 | 249.2 | Up | 04:22:56 - 04:52:56 | -2929 |
| Quincy | 04:37:58 | -15.9 | AT | Up | 35.7 | 249.3 | Up | 04:22:58 - 04:52:58 | -2949 |
| Portola | 04:37:59 | -16.3 | AT | Up | 35.4 | 249.8 | Up | 04:22:59 - 04:52:59 | -2960 |
| Reno | 04:38:01 | -16.8 | AT | Up | 35.0 | 250.5 | Up | 04:23:01 - 04:53:01 | -2985 |
| Carson City | 04:38:03 | -17.1 | AT | Up | 35.1 | 250.8 | Up | 04:23:03 - 04:53:03 | -3021 |
| Yerington | 04:38:07 | -17.6 | AT | Up | 34.7 | 251.4 | Up | 04:23:07 - 04:53:07 | -3038 |
| Gardnerville | 04:38:04 | -17.3 | AT | Up | 35.2 | 251.0 | Up | 04:23:04 - 04:53:04 | -3045 |
| Hawthorne | 04:38:10 | -18.2 | Dark | Up | 34.4 | 252.2 | Up | 04:23:10 - 04:53:10 | -3083 |
| Tonopah | 04:38:18 | -19.4 | Dark | Up | 33.5 | 253.6 | Up | 04:23:18 - 04:53:18 | -3125 |
| Lee Vining | 04:38:10 | -18.3 | Dark | Up | 35.0 | 252.1 | Up | 04:23:10 - 04:53:10 | -3140 |
| Bishop | 04:38:15 | -19.2 | Dark | Up | 34.6 | 253.1 | Up | 04:23:15 - 04:53:15 | -3198 |
| Beatty | 04:38:23 | -20.5 | Dark | Up | 33.4 | 254.7 | Up | 04:23:23 - 04:53:23 | -3239 |
| Indian Springs | 04:38:27 | -21.3 | Dark | Up | 32.7 | 255.7 | Up | 04:23:27 - 04:53:27 | -3268 |
| Lone Pine | 04:38:18 | -19.9 | Dark | Up | 34.5 | 253.9 | Up | 04:23:18 - 04:53:18 | -3274 |
| Henderson | 04:38:33 | -22.1 | Dark | Up | 32.2 | 256.5 | Up | 04:23:33 - 04:53:33 | -3320 |
| Searchlight/Boulder City | 04:38:34 | -22.5 | Dark | Up | 32.3 | 256.9 | Up | 04:23:34 - 04:53:34 | -3377 |
| Patrick | 04:38:38 | -23.2 | Dark | Up | 31.5 | 257.7 | Up | 04:23:38 - 04:53:38 | -3378 |
| Kingman/Dolan Springs | 04:38:37 | -23.3 | Dark | Up | 31.7 | 257.7 | Up | 04:23:37 - 04:53:37 | -3402 |
| DCO | 04:38:42 | -23.8 | Dark | Up | 31.0 | 258.4 | Up | 04:23:42 - 04:53:42 | -3406 |
| Laughlin/Bullhead City | 04:38:36 | -23.0 | Dark | Up | 32.1 | 257.4 | Up | 04:23:36 - 04:53:36 | -3406 |
| CPSLO | 04:38:11 | -19.1 | Dark | Up | 37.0 | 252.8 | Up | 04:23:11 - 04:53:11 | -3412 |
| Mohave Valley | 04:38:37 | -23.2 | Dark | Up | 32.1 | 257.5 | Up | 04:23:37 - 04:53:37 | -3434 |
| Lake Havasu City | 04:38:38 | -23.6 | Dark | Up | 32.0 | 257.9 | Up | 04:23:38 - 04:53:38 | -3474 |
| Parker | 04:38:40 | -23.9 | Dark | Up | 32.1 | 258.2 | Up | 04:23:40 - 04:53:40 | -3510 |
| Wildwood | 04:38:23 | -21.2 | Dark | Up | 35.6 | 255.2 | Up | 04:23:23 - 04:53:23 | -3531 |
| Idyllwild | 04:38:33 | -22.6 | Dark | Up | 34.2 | 256.8 | Up | 04:23:33 - 04:53:33 | -3561 |
| Blythe | 04:38:40 | -24.0 | Dark | Up | 32.4 | 258.3 | Up | 04:23:40 - 04:53:40 | -3565 |
| Calipatria | 04:38:38 | -23.8 | Dark | Up | 33.3 | 258.0 | Up | 04:23:38 - 04:53:38 | -3619 |
| Yuma | 04:38:43 | -24.6 | Dark | Up | 32.6 | 258.9 | Up | 04:23:43 - 04:53:43 | -3660 |
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 14YD50, (2019/05/09 04:33UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 20.82 14 17Bet Cnc 08:16:30.9 +09:11:07 3.5 0.92 25 PPM 154305 08:20:29.2 +09:24:00 7.8 0.53 26 PPM 154313 08:20:55.7 +08:44:34 10.0 0.26 26 14YD50 08:20:01.7 +08:53:10 12.5 26 Positions are for J2000
Event circumstances last updated at 2019/02/12 07:40:56 UT
Marc W. Buie, Southwest Research Institute