Event between 10VR11 and star GA1060:00764801 with event index number of 169932
Geocentric closest approach at 2018/12/25 09:48:04 UTC
J2000 position of star is 05:06:34.6 +17:18:37
Equinox of date position of star is 05:07:39.9 +17:20:03
Stellar brightness G=16.4,
use SENSEUP=128
Star is 54 degrees from the moon.
Moon is 90% illuminated.
TNO apparent brightness V=21.2
[RECON map]
TNO is 36.8 AU from the Sun
and 35.9 AU from the Earth.
The TNO is moving 24.9
km/sec on the sky relative to the star, or,
3.4 arcsec/hr.
The 1-sigma error in the time of the event is 146 seconds.
The 1-sigma cross-track error in the shadow position is
2837 km.
The sky-plane scale is
26041.5 km/arcsec.
The TNO has an absolute magnitude Hv=5.5
Diameter=472.1 km assuming a 5% albedo -- 19.0 sec chord
Diameter=192.7 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is SCATEXTD
Star training set for 10VR11, (2018/12/25 09:48UT) Object RA Dec mag sep mel Aldebaran 04:37:00.7 +16:32:45 0.8 7.38 61 Bellatrix 05:26:09.0 +06:21:55 1.6 11.86 52 104 Tau 05:08:34.4 +18:40:09 5.6 1.35 53 PPM 120631 05:09:04.0 +17:00:12 8.5 0.47 53 PPM 120588 05:06:53.5 +17:24:18 8.6 0.20 54 10VR11 05:07:40.7 +17:20:04 16.4 53 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 20.3 km
RECON observability=1.0 and success probability=12.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Rutland | 09:46:16 | -56.1 | Dark | Up | 41.8 | 243.7 | Up | 09:33:35 - 09:58:57 | -1670 |
| Penticton | 09:46:16 | -56.4 | Dark | Up | 42.1 | 243.8 | Up | 09:33:35 - 09:58:57 | -1704 |
| Okanagan Falls | 09:46:16 | -56.5 | Dark | Up | 42.2 | 243.9 | Up | 09:33:35 - 09:58:57 | -1720 |
| Southern Okanagan | 09:46:15 | -56.6 | Dark | Up | 42.3 | 244.1 | Up | 09:33:34 - 09:58:56 | -1733 |
| Oroville | 09:46:14 | -56.7 | Dark | Up | 42.3 | 244.4 | Up | 09:33:33 - 09:58:55 | -1752 |
| Tonasket | 09:46:13 | -56.9 | Dark | Up | 42.4 | 244.6 | Up | 09:33:32 - 09:58:54 | -1772 |
| Okanogan | 09:46:13 | -57.2 | Dark | Up | 42.6 | 244.7 | Up | 09:33:32 - 09:58:54 | -1804 |
| Brewster | 09:46:13 | -57.4 | Dark | Up | 42.9 | 244.8 | Up | 09:33:32 - 09:58:54 | -1830 |
| Manson/Chelan | 09:46:13 | -57.8 | Dark | Up | 43.2 | 244.6 | Up | 09:33:32 - 09:58:54 | -1855 |
| Entiat | 09:46:13 | -57.9 | Dark | Up | 43.3 | 244.7 | Up | 09:33:32 - 09:58:54 | -1875 |
| Wenatchee | 09:46:12 | -58.1 | Dark | Up | 43.5 | 244.8 | Up | 09:33:31 - 09:58:53 | -1899 |
| Ellensburg | 09:46:12 | -58.5 | Dark | Up | 43.8 | 244.9 | Up | 09:33:31 - 09:58:53 | -1939 |
| Yakima | 09:46:11 | -58.8 | Dark | Up | 44.0 | 245.3 | Up | 09:33:30 - 09:58:52 | -1975 |
| Pasco | 09:46:07 | -58.2 | Dark | Up | 43.2 | 247.0 | Up | 09:33:26 - 09:58:48 | -1978 |
| Toppenish/White Swan | 09:46:10 | -58.8 | Dark | Up | 44.0 | 245.6 | Up | 09:33:29 - 09:58:51 | -1991 |
| PNWRO | 09:46:06 | -58.2 | Dark | Up | 43.2 | 247.4 | Up | 09:33:25 - 09:58:47 | -1996 |
| George/Umatilla | 09:46:06 | -58.6 | Dark | Up | 43.5 | 247.0 | Up | 09:33:25 - 09:58:47 | -2012 |
| Goldendale | 09:46:09 | -59.4 | Dark | Up | 44.5 | 245.7 | Up | 09:33:28 - 09:58:50 | -2048 |
| The Dalles | 09:46:10 | -59.8 | Dark | Up | 44.8 | 245.5 | Up | 09:33:29 - 09:58:51 | -2075 |
| Maupin | 09:46:09 | -60.0 | Dark | Up | 44.9 | 246.0 | Up | 09:33:28 - 09:58:50 | -2110 |
| Madras/Culver | 09:46:08 | -60.3 | Dark | Up | 45.1 | 246.5 | Up | 09:33:27 - 09:58:49 | -2160 |
| Redmond | 09:46:07 | -60.6 | Dark | Up | 45.3 | 246.7 | Up | 09:33:26 - 09:58:48 | -2193 |
| Sisters | 09:46:08 | -60.8 | Dark | Up | 45.6 | 246.3 | Up | 09:33:27 - 09:58:49 | -2199 |
| Bend | 09:46:07 | -60.8 | Dark | Up | 45.5 | 246.8 | Up | 09:33:26 - 09:58:48 | -2215 |
| Niwot | 09:45:24 | -51.6 | Dark | Up | 35.0 | 263.4 | Up | 09:32:43 - 09:58:05 | -2230 |
| Oregon Observatory | 09:46:07 | -61.0 | Dark | Up | 45.7 | 246.8 | Up | 09:33:26 - 09:58:48 | -2234 |
| La Pine/Gilchrist | 09:46:06 | -61.1 | Dark | Up | 45.8 | 247.0 | Up | 09:33:25 - 09:58:47 | -2254 |
| North Lake | 09:46:04 | -61.0 | Dark | Up | 45.5 | 247.9 | Up | 09:33:23 - 09:58:45 | -2282 |
| Paisley | 09:46:02 | -61.1 | Dark | Up | 45.5 | 248.8 | Up | 09:33:21 - 09:58:43 | -2326 |
| Chiloquin | 09:46:05 | -62.0 | Dark | Up | 46.5 | 247.7 | Up | 09:33:24 - 09:58:46 | -2362 |
| Lakeview | 09:46:01 | -61.3 | Dark | Up | 45.6 | 249.5 | Up | 09:33:20 - 09:58:42 | -2369 |
| Klamath Falls | 09:46:04 | -62.1 | Dark | Up | 46.5 | 248.1 | Up | 09:33:23 - 09:58:45 | -2393 |
| Tulelake | 09:46:02 | -62.1 | Dark | Up | 46.4 | 248.6 | Up | 09:33:21 - 09:58:43 | -2412 |
| Cedarville | 09:45:58 | -61.5 | Dark | Up | 45.7 | 250.3 | Up | 09:33:17 - 09:58:39 | -2426 |
| Fall River/Burney | 09:46:01 | -62.6 | Dark | Up | 46.7 | 249.6 | Up | 09:33:20 - 09:58:42 | -2495 |
| Susanville | 09:45:57 | -62.4 | Dark | Up | 46.4 | 250.9 | Up | 09:33:16 - 09:58:38 | -2540 |
| Gimple | 09:45:57 | -62.7 | Dark | Up | 46.6 | 251.0 | Up | 09:33:16 - 09:58:38 | -2570 |
| Greenville | 09:45:58 | -62.7 | Dark | Up | 46.7 | 250.9 | Up | 09:33:17 - 09:58:39 | -2572 |
| Quincy | 09:45:57 | -62.8 | Dark | Up | 46.8 | 251.1 | Up | 09:33:16 - 09:58:38 | -2591 |
| Portola | 09:45:55 | -62.6 | Dark | Up | 46.5 | 251.7 | Up | 09:33:14 - 09:58:36 | -2593 |
| Reno | 09:45:53 | -62.3 | Dark | Up | 46.1 | 252.5 | Up | 09:33:12 - 09:58:34 | -2605 |
| Carson City | 09:45:53 | -62.4 | Dark | Up | 46.2 | 252.9 | Up | 09:33:12 - 09:58:34 | -2639 |
| Yerington | 09:45:51 | -62.1 | Dark | Up | 45.8 | 253.6 | Up | 09:33:10 - 09:58:32 | -2644 |
| Gardnerville | 09:45:52 | -62.5 | Dark | Up | 46.2 | 253.1 | Up | 09:33:11 - 09:58:33 | -2661 |
| Hawthorne | 09:45:48 | -61.9 | Dark | Up | 45.5 | 254.5 | Up | 09:33:07 - 09:58:29 | -2677 |
| Tonopah | 09:45:44 | -61.1 | Dark | Up | 44.5 | 256.1 | Up | 09:33:03 - 09:58:25 | -2692 |
| Lee Vining | 09:45:48 | -62.5 | Dark | Up | 46.0 | 254.6 | Up | 09:33:07 - 09:58:29 | -2742 |
| Bishop | 09:45:45 | -62.2 | Dark | Up | 45.6 | 255.8 | Up | 09:33:04 - 09:58:26 | -2784 |
| Beatty | 09:45:40 | -61.2 | Dark | Up | 44.5 | 257.5 | Up | 09:32:59 - 09:58:21 | -2793 |
| Indian Springs | 09:45:37 | -60.5 | Dark | Up | 43.7 | 258.7 | Up | 09:32:56 - 09:58:18 | -2800 |
| Henderson | 09:45:34 | -60.1 | Dark | Up | 43.3 | 259.7 | Up | 09:32:53 - 09:58:15 | -2836 |
| Lone Pine | 09:45:43 | -62.3 | Dark | Up | 45.5 | 256.8 | Up | 09:33:02 - 09:58:24 | -2850 |
| Patrick | 09:45:31 | -59.4 | Dark | Up | 42.5 | 261.0 | Up | 09:32:50 - 09:58:12 | -2871 |
| DCO | 09:45:28 | -58.9 | Dark | Up | 42.0 | 261.8 | Up | 09:32:47 - 09:58:09 | -2884 |
| Searchlight/Boulder City | 09:45:33 | -60.2 | Dark | Up | 43.3 | 260.2 | Up | 09:32:52 - 09:58:14 | -2890 |
| Kingman/Dolan Springs | 09:45:30 | -59.6 | Dark | Up | 42.7 | 261.1 | Up | 09:32:49 - 09:58:11 | -2897 |
| Laughlin/Bullhead City | 09:45:32 | -60.0 | Dark | Up | 43.1 | 260.8 | Up | 09:32:51 - 09:58:13 | -2911 |
| Mohave Valley | 09:45:31 | -60.1 | Dark | Up | 43.1 | 261.0 | Up | 09:32:50 - 09:58:12 | -2937 |
| Lake Havasu City | 09:45:30 | -60.0 | Dark | Up | 43.0 | 261.5 | Up | 09:32:49 - 09:58:11 | -2970 |
| Parker | 09:45:29 | -60.0 | Dark | Up | 43.0 | 261.9 | Up | 09:32:48 - 09:58:10 | -3004 |
| CPSLO | 09:45:47 | -64.7 | Dark | Up | 47.9 | 256.1 | Up | 09:33:06 - 09:58:28 | -3033 |
| Blythe | 09:45:29 | -60.4 | Dark | Up | 43.3 | 262.2 | Up | 09:32:48 - 09:58:10 | -3063 |
| Idyllwild | 09:45:34 | -62.1 | Dark | Up | 45.1 | 260.6 | Up | 09:32:53 - 09:58:15 | -3100 |
| Wildwood | 09:45:39 | -63.5 | Dark | Up | 46.5 | 259.0 | Up | 09:32:58 - 09:58:20 | -3107 |
| Calipatria | 09:45:30 | -61.3 | Dark | Up | 44.2 | 262.0 | Up | 09:32:49 - 09:58:11 | -3133 |
| Yuma | 09:45:27 | -60.6 | Dark | Up | 43.5 | 263.0 | Up | 09:32:46 - 09:58:08 | -3155 |
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 10VR11, (2018/12/25 09:48UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 7.38 61 Bellatrix 05:25:07.8 +06:20:58 1.6 11.86 52 104 Tau 05:07:27.7 +18:38:43 5.6 1.35 53 PPM 120631 05:07:58.1 +16:58:47 8.5 0.47 53 PPM 120588 05:05:47.4 +17:22:49 8.6 0.20 54 10VR11 05:06:34.6 +17:18:37 16.4 54 Positions are for J2000
Event circumstances last updated at 2018/10/08 19:35:15 UT
Marc W. Buie, Southwest Research Institute