Event between 14WM517 and star GA0840:00193432 with event index number of 266778
Geocentric closest approach at 2019/12/25 06:17:56 UTC
J2000 position of star is 02:26:09.7 -04:44:40
Equinox of date position of star is 02:27:05.1 -04:39:44
Stellar brightness G=16.7,
use SENSEUP=128
Star is 129 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=24.7
[RECON map]
TNO is 47.7 AU from the Sun
and 47.2 AU from the Earth.
The TNO is moving 13.1
km/sec on the sky relative to the star, or,
1.4 arcsec/hr.
The 1-sigma error in the time of the event is 982 seconds.
The 1-sigma cross-track error in the shadow position is
5541 km.
The sky-plane scale is
34227.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.8
Diameter=162.2 km assuming a 5% albedo -- 12.4 sec chord
Diameter=66.2 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is 2:1E
Star training set for 14WM517, (2019/12/25 06:18UT) Object RA Dec mag sep mel Aldebaran 04:37:04.2 +16:32:53 0.8 38.47 168 68Omi Cet 02:20:21.4 -02:53:16 2.0 2.45 129 67 Cet 02:17:58.9 -06:19:51 5.5 2.83 127 PPM 184601 02:25:56.7 -03:48:13 7.1 0.90 130 PPM 184637 02:27:41.8 -04:45:49 9.3 0.17 129 14WM517 02:27:09.8 -04:39:19 16.7 130 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
0.9 sigma about the mid-time.
The median site spacing is 16.7 km
RECON observability=1.0 and success probability=4.7%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 06:17:03 | -57.2 | Dark | Down | 29.2 | 216.8 | Low | 06:02:03 - 06:32:03 | 3619 |
| Oroville | 06:17:00 | -57.7 | Dark | Down | 29.6 | 217.1 | Low | 06:02:00 - 06:32:00 | 3589 |
| Tonasket | 06:16:59 | -57.9 | Dark | Down | 29.8 | 217.2 | Low | 06:01:59 - 06:31:59 | 3577 |
| Okanogan | 06:16:58 | -58.0 | Dark | Down | 30.1 | 217.1 | Up | 06:01:58 - 06:31:58 | 3557 |
| Brewster | 06:16:58 | -58.1 | Dark | Down | 30.4 | 217.0 | Up | 06:01:58 - 06:31:58 | 3540 |
| Manson/Chelan | 06:16:59 | -58.0 | Dark | Down | 30.8 | 216.7 | Up | 06:01:59 - 06:31:59 | 3523 |
| Entiat | 06:16:58 | -58.2 | Dark | Down | 31.0 | 216.7 | Up | 06:01:58 - 06:31:58 | 3510 |
| Wenatchee | 06:16:58 | -58.3 | Dark | Down | 31.2 | 216.7 | Up | 06:01:58 - 06:31:58 | 3494 |
| Ellensburg | 06:16:57 | -58.4 | Dark | Down | 31.6 | 216.6 | Up | 06:01:57 - 06:31:57 | 3468 |
| Pasco | 06:16:47 | -59.6 | Dark | Down | 31.6 | 218.4 | Up | 06:01:47 - 06:31:47 | 3447 |
| Yakima | 06:16:55 | -58.7 | Dark | Down | 32.0 | 216.7 | Up | 06:01:55 - 06:31:55 | 3445 |
| PNWRO | 06:16:44 | -59.9 | Dark | Down | 31.7 | 218.7 | Up | 06:01:44 - 06:31:44 | 3436 |
| Toppenish/White Swan | 06:16:53 | -58.9 | Dark | Down | 32.1 | 217.0 | Up | 06:01:53 - 06:31:53 | 3435 |
| George/Umatilla | 06:16:46 | -59.7 | Dark | Down | 32.0 | 218.2 | Up | 06:01:46 - 06:31:46 | 3424 |
| Goldendale | 06:16:52 | -59.0 | Dark | Down | 32.7 | 216.7 | Up | 06:01:52 - 06:31:52 | 3397 |
| The Dalles | 06:16:54 | -58.9 | Dark | Down | 33.0 | 216.4 | Up | 06:01:54 - 06:31:54 | 3378 |
| Maupin | 06:16:51 | -59.2 | Dark | Down | 33.3 | 216.7 | Up | 06:01:51 - 06:31:51 | 3355 |
| Madras/Culver | 06:16:49 | -59.5 | Dark | Down | 33.8 | 216.9 | Up | 06:01:49 - 06:31:49 | 3322 |
| Redmond | 06:16:48 | -59.7 | Dark | Down | 34.1 | 216.9 | Up | 06:01:48 - 06:31:48 | 3299 |
| Sisters | 06:16:50 | -59.4 | Dark | Down | 34.2 | 216.5 | Up | 06:01:50 - 06:31:50 | 3294 |
| Bend | 06:16:47 | -59.7 | Dark | Down | 34.3 | 216.9 | Up | 06:01:47 - 06:31:47 | 3284 |
| Oregon Observatory | 06:16:47 | -59.7 | Dark | Down | 34.5 | 216.8 | Up | 06:01:47 - 06:31:47 | 3271 |
| Niwot | 06:15:12 | -70.8 | Dark | Down | 28.7 | 234.2 | Low | 06:00:12 - 06:30:12 | 3261 |
| La Pine/Gilchrist | 06:16:47 | -59.8 | Dark | Down | 34.7 | 216.8 | Up | 06:01:47 - 06:31:47 | 3258 |
| North Lake | 06:16:42 | -60.4 | Dark | Down | 34.8 | 217.6 | Up | 06:01:42 - 06:31:42 | 3240 |
| Paisley | 06:16:38 | -60.9 | Dark | Down | 35.1 | 218.2 | Up | 06:01:38 - 06:31:38 | 3212 |
| Lakeview | 06:16:35 | -61.3 | Dark | Down | 35.4 | 218.7 | Up | 06:01:35 - 06:31:35 | 3183 |
| Chiloquin | 06:16:44 | -60.2 | Dark | Down | 35.8 | 216.9 | Up | 06:01:44 - 06:31:44 | 3182 |
| Klamath Falls | 06:16:42 | -60.4 | Dark | Down | 36.0 | 217.1 | Up | 06:01:42 - 06:31:42 | 3162 |
| Tulelake | 06:16:40 | -60.7 | Dark | Down | 36.1 | 217.6 | Up | 06:01:40 - 06:31:40 | 3150 |
| Cedarville | 06:16:31 | -61.8 | Dark | Down | 35.8 | 219.1 | Up | 06:01:31 - 06:31:31 | 3143 |
| Fall River/Burney | 06:16:35 | -61.2 | Dark | Down | 36.8 | 218.0 | Up | 06:01:35 - 06:31:35 | 3092 |
| Susanville | 06:16:29 | -62.0 | Dark | Down | 36.9 | 219.1 | Up | 06:01:29 - 06:31:29 | 3062 |
| Gimple | 06:16:29 | -62.0 | Dark | Down | 37.2 | 219.0 | Up | 06:01:29 - 06:31:29 | 3040 |
| Greenville | 06:16:29 | -61.9 | Dark | Down | 37.3 | 218.9 | Up | 06:01:29 - 06:31:29 | 3039 |
| Quincy | 06:16:29 | -62.0 | Dark | Down | 37.4 | 219.0 | Up | 06:01:29 - 06:31:29 | 3025 |
| Portola | 06:16:25 | -62.4 | Dark | Down | 37.3 | 219.6 | Up | 06:01:25 - 06:31:25 | 3025 |
| Reno | 06:16:21 | -63.0 | Dark | Down | 37.2 | 220.4 | Up | 06:01:21 - 06:31:21 | 3018 |
| Carson City | 06:16:19 | -63.1 | Dark | Down | 37.5 | 220.6 | Up | 06:01:19 - 06:31:19 | 2994 |
| Yerington | 06:16:15 | -63.7 | Dark | Down | 37.3 | 221.4 | Up | 06:01:15 - 06:31:15 | 2991 |
| Gardnerville | 06:16:18 | -63.3 | Dark | Down | 37.6 | 220.8 | Up | 06:01:18 - 06:31:18 | 2978 |
| Hawthorne | 06:16:10 | -64.2 | Dark | Down | 37.4 | 222.2 | Up | 06:01:10 - 06:31:10 | 2968 |
| Tonopah | 06:16:00 | -65.4 | Dark | Down | 37.0 | 223.8 | Up | 06:01:00 - 06:31:00 | 2958 |
| Lee Vining | 06:16:10 | -64.2 | Dark | Down | 38.1 | 221.9 | Up | 06:01:10 - 06:31:10 | 2921 |
| Bishop | 06:16:04 | -64.9 | Dark | Down | 38.1 | 223.0 | Up | 06:01:04 - 06:31:04 | 2891 |
| Beatty | 06:15:53 | -66.3 | Dark | Down | 37.6 | 224.9 | Up | 06:00:53 - 06:30:53 | 2885 |
| Indian Springs | 06:15:46 | -67.2 | Dark | Down | 37.2 | 226.2 | Up | 06:00:46 - 06:30:46 | 2879 |
| Henderson | 06:15:40 | -67.9 | Dark | Down | 37.2 | 227.1 | Up | 06:00:40 - 06:30:40 | 2852 |
| Lone Pine | 06:15:59 | -65.5 | Dark | Down | 38.5 | 223.7 | Up | 06:00:59 - 06:30:59 | 2842 |
| Patrick | 06:15:31 | -69.0 | Dark | Down | 37.0 | 228.6 | Up | 06:00:31 - 06:30:31 | 2824 |
| DCO | 06:15:26 | -69.6 | Dark | Down | 36.7 | 229.4 | Up | 06:00:26 - 06:30:26 | 2813 |
| Searchlight/Boulder City | 06:15:37 | -68.2 | Dark | Down | 37.5 | 227.5 | Up | 06:00:37 - 06:30:37 | 2811 |
| Kingman/Dolan Springs | 06:15:31 | -68.9 | Dark | Down | 37.2 | 228.5 | Up | 06:00:31 - 06:30:31 | 2805 |
| Laughlin/Bullhead City | 06:15:33 | -68.6 | Dark | Down | 37.5 | 228.0 | Up | 06:00:33 - 06:30:33 | 2795 |
| Mohave Valley | 06:15:32 | -68.7 | Dark | Down | 37.7 | 228.2 | Up | 06:00:32 - 06:30:32 | 2775 |
| Lake Havasu City | 06:15:29 | -69.1 | Dark | Down | 37.8 | 228.6 | Up | 06:00:29 - 06:30:29 | 2750 |
| Parker | 06:15:27 | -69.2 | Dark | Down | 38.1 | 228.9 | Up | 06:00:27 - 06:30:27 | 2724 |
| CPSLO | 06:16:07 | -64.1 | Dark | Down | 40.9 | 221.7 | Up | 06:01:07 - 06:31:07 | 2703 |
| Blythe | 06:15:27 | -69.2 | Dark | Down | 38.6 | 228.9 | Up | 06:00:27 - 06:30:27 | 2680 |
| Idyllwild | 06:15:39 | -67.6 | Dark | Down | 39.8 | 226.7 | Up | 06:00:39 - 06:30:39 | 2654 |
| Wildwood | 06:15:51 | -66.0 | Dark | Down | 40.6 | 224.6 | Up | 06:00:51 - 06:30:51 | 2649 |
| Calipatria | 06:15:30 | -68.7 | Dark | Down | 39.5 | 228.3 | Up | 06:00:30 - 06:30:30 | 2628 |
| Yuma | 06:15:23 | -69.5 | Dark | Down | 39.2 | 229.4 | Up | 06:00:23 - 06:30:23 | 2610 |
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 14WM517, (2019/12/25 06:18UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 38.47 168 68Omi Cet 02:19:20.8 -02:58:44 2.0 2.45 129 67 Cet 02:16:59.2 -06:25:22 5.5 2.83 127 PPM 184601 02:24:56.3 -03:53:36 7.1 0.90 130 PPM 184637 02:26:41.7 -04:51:10 9.3 0.17 129 14WM517 02:26:09.7 -04:44:40 16.7 129 Positions are for J2000
Event circumstances last updated at 2018/05/30 18:23:14 UT
Marc W. Buie, Southwest Research Institute