Event between 01XX254 and star UC4-553-043786 with event index number of 3029
Geocentric closest approach at 2016/03/10 07:46:16 UTC
J2000 position of star is 08:25:07.1 +20:24:58
Equinox of date position of star is 08:26:02.4 +20:21:49
Stellar brightness R=14.3
Star is 116 degrees from the moon.
Moon is 2% illuminated.
TNO apparent brightness V=23.7
[RECON map]
TNO is 43.3 AU from the Sun
and 42.6 AU from the Earth.
The TNO is moving 16.5
km/sec on the sky relative to the star, or,
1.9 arcsec/hr.
The 1-sigma error in the time of the event is 211 seconds.
The 1-sigma cross-track error in the shadow position is
6226 km.
The TNO has an absolute magnitude Hv=7.3
Diameter=208.0 km assuming a 5% albedo -- 12.6 sec chord
Diameter=84.9 km assuming a 30% albedo -- 5.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 01XX254, (2016/03/10 07:46UT) Object RA Dec mag sep mel Pollux 07:46:18.3 +27:59:09 1.1 11.84 106 33Eta Cnc 08:33:38.5 +20:23:06 5.3 1.78 118 PPM 098676 08:25:45.3 +20:05:59 8.0 0.27 116 PPM 098673 08:25:37.7 +20:16:19 11.1 0.14 116 01XX254 08:26:03.4 +20:21:46 14.3 116 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 18.7 km
RECON observability=1.0 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) |
| Oroville | 07:44:38 | -44.7 | Dark | Down | 47.9 | 241.4 | Up | 07:26:32 - 08:02:44 | -31843 |
| Tonasket | 07:44:38 | -44.9 | Dark | Down | 48.0 | 241.6 | Up | 07:26:32 - 08:02:44 | -31861 |
| Okanogan | 07:44:38 | -45.2 | Dark | Down | 48.3 | 241.8 | Up | 07:26:32 - 08:02:44 | -31891 |
| Brewster | 07:44:38 | -45.5 | Dark | Down | 48.5 | 241.8 | Up | 07:26:32 - 08:02:44 | -31918 |
| Manson/Chelan | 07:44:38 | -45.6 | Dark | Down | 48.9 | 241.6 | Up | 07:26:32 - 08:02:44 | -31945 |
| Entiat | 07:44:35 | -45.9 | Dark | Down | 49.0 | 241.7 | Up | 07:26:29 - 08:02:41 | -31965 |
| Wenatchee | 07:44:32 | -46.1 | Dark | Down | 49.2 | 241.9 | Up | 07:26:26 - 08:02:38 | -31988 |
| Ellensburg | 07:44:33 | -46.5 | Dark | Down | 49.5 | 242.1 | Up | 07:26:27 - 08:02:39 | -32028 |
| Yakima | 07:44:32 | -46.9 | Dark | Down | 49.7 | 242.5 | Up | 07:26:26 - 08:02:38 | -32061 |
| Toppenish/White Swan | 07:44:32 | -47.1 | Dark | Down | 49.7 | 242.9 | Up | 07:26:26 - 08:02:38 | -32074 |
| Pasco | 07:44:28 | -47.4 | Dark | Down | 49.0 | 244.4 | Up | 07:26:22 - 08:02:34 | -32047 |
| Pacific NW Region. Obs. | 07:44:26 | -47.6 | Dark | Down | 49.0 | 244.8 | Up | 07:26:20 - 08:02:32 | -32060 |
| Umatilla | 07:44:26 | -47.7 | Dark | Down | 49.3 | 244.5 | Up | 07:26:20 - 08:02:32 | -32080 |
| Goldendale | 07:44:31 | -47.6 | Dark | Down | 50.2 | 243.0 | Up | 07:26:25 - 08:02:37 | -32131 |
| The Dalles | 07:44:30 | -47.8 | Dark | Down | 50.6 | 242.8 | Up | 07:26:24 - 08:02:36 | -32161 |
| Maupin | 07:44:29 | -48.2 | Dark | Down | 50.7 | 243.4 | Up | 07:26:23 - 08:02:35 | -32192 |
| Madras/Culver | 07:44:29 | -48.7 | Dark | Down | 51.0 | 243.9 | Up | 07:26:23 - 08:02:35 | -32239 |
| Sisters | 07:44:28 | -49.0 | Dark | Down | 51.4 | 243.8 | Up | 07:26:22 - 08:02:34 | -32280 |
| Redmond | 07:44:25 | -49.1 | Dark | Down | 51.2 | 244.3 | Up | 07:26:19 - 08:02:31 | -32270 |
| Bend | 07:44:26 | -49.3 | Dark | Down | 51.3 | 244.4 | Up | 07:26:20 - 08:02:32 | -32293 |
| Oregon Observatory | 07:44:25 | -49.4 | Dark | Down | 51.5 | 244.4 | Up | 07:26:19 - 08:02:31 | -32311 |
| LaPine/Gilchrist | 07:44:26 | -49.6 | Dark | Down | 51.6 | 244.6 | Up | 07:26:20 - 08:02:32 | -32330 |
| North Lake | 07:44:20 | -50.1 | Dark | Down | 51.4 | 245.7 | Up | 07:26:14 - 08:02:26 | -32349 |
| Paisley | 07:44:19 | -50.7 | Dark | Down | 51.4 | 246.7 | Up | 07:26:13 - 08:02:25 | -32385 |
| Chiloquin | 07:44:24 | -50.6 | Dark | Down | 52.3 | 245.5 | Up | 07:26:18 - 08:02:30 | -32436 |
| Klamath Falls | 07:44:21 | -51.0 | Dark | Down | 52.4 | 246.0 | Up | 07:26:15 - 08:02:27 | -32463 |
| Lakeview | 07:44:17 | -51.2 | Dark | Down | 51.5 | 247.5 | Up | 07:26:11 - 08:02:23 | -32422 |
| Tulelake | 07:44:20 | -51.3 | Dark | Down | 52.3 | 246.6 | Up | 07:26:14 - 08:02:26 | -32477 |
| Cedarville | 07:44:13 | -51.9 | Dark | Down | 51.6 | 248.4 | Up | 07:26:07 - 08:02:19 | -32473 |
| Fall River/Burney | 07:44:14 | -52.2 | Dark | Down | 52.7 | 247.7 | Up | 07:26:08 - 08:02:20 | -32554 |
| Susanville | 07:44:09 | -52.9 | Dark | Down | 52.4 | 249.2 | Up | 07:26:03 - 08:02:15 | -32585 |
| Greenville | 07:44:10 | -53.1 | Dark | Down | 52.7 | 249.3 | Up | 07:26:04 - 08:02:16 | -32619 |
| Niwot | 07:43:18 | -53.1 | Dark | Down | 41.2 | 262.5 | Up | 07:25:12 - 08:01:24 | -32099 |
| Quincy | 07:44:10 | -53.3 | Dark | Down | 52.8 | 249.5 | Up | 07:26:04 - 08:02:16 | -32637 |
| Portola | 07:44:07 | -53.5 | Dark | Down | 52.5 | 250.2 | Up | 07:26:01 - 08:02:13 | -32633 |
| Reno | 07:44:05 | -53.9 | Dark | Down | 52.1 | 251.1 | Up | 07:25:59 - 08:02:11 | -32635 |
| Carson City | 07:44:03 | -54.2 | Dark | Down | 52.2 | 251.6 | Up | 07:25:57 - 08:02:09 | -32666 |
| Yerington | 07:43:58 | -54.5 | Dark | Down | 51.8 | 252.4 | Up | 07:25:52 - 08:02:04 | -32662 |
| Gardnerville | 07:44:02 | -54.5 | Dark | Down | 52.2 | 251.9 | Up | 07:25:56 - 08:02:08 | -32686 |
| Hawthorne | 07:43:55 | -55.0 | Dark | Down | 51.5 | 253.4 | Up | 07:25:49 - 08:02:01 | -32686 |
| Lee Vining | 07:43:56 | -55.5 | Dark | Down | 52.1 | 253.7 | Up | 07:25:50 - 08:02:02 | -32752 |
| Tonopah | 07:43:50 | -55.7 | Dark | Down | 50.6 | 255.2 | Up | 07:25:44 - 08:01:56 | -32680 |
| Bishop | 07:43:51 | -56.2 | Dark | Down | 51.7 | 255.0 | Up | 07:25:45 - 08:01:57 | -32782 |
| Lone Pine | 07:43:47 | -57.0 | Dark | Down | 51.6 | 256.2 | Up | 07:25:41 - 08:01:53 | -32839 |
| Beatty | 07:43:43 | -56.8 | Dark | Down | 50.6 | 256.9 | Up | 07:25:37 - 08:01:49 | -32768 |
| Indian Springs | 07:43:39 | -57.3 | Dark | Down | 49.8 | 258.2 | Up | 07:25:33 - 08:01:45 | -32760 |
| Henderson | 07:43:34 | -57.8 | Dark | Down | 49.4 | 259.3 | Up | 07:25:28 - 08:01:40 | -32784 |
| Searchlight/Boulder City | 07:43:35 | -58.4 | Dark | Down | 49.4 | 260.0 | Up | 07:25:29 - 08:01:41 | -32833 |
| San Luis Obispo | 07:43:50 | -57.9 | Dark | Down | 54.0 | 255.7 | Up | 07:25:44 - 08:01:56 | -33046 |
| Kingman/Dolan Springs | 07:43:27 | -58.7 | Dark | Down | 48.8 | 260.9 | Up | 07:25:21 - 08:01:33 | -32827 |
| Laughlin/Bullhead City | 07:43:30 | -58.7 | Dark | Down | 49.2 | 260.6 | Up | 07:25:24 - 08:01:36 | -32847 |
| DCO | 07:43:25 | -58.8 | Dark | Down | 48.1 | 261.7 | Up | 07:25:19 - 08:01:31 | -32802 |
| Mohave Valley | 07:43:30 | -59.0 | Dark | Down | 49.3 | 260.9 | Up | 07:25:24 - 08:01:36 | -32872 |
| Lake Havasu City | 07:43:26 | -59.4 | Dark | Down | 49.1 | 261.5 | Up | 07:25:20 - 08:01:32 | -32899 |
| Parker | 07:43:26 | -59.7 | Dark | Down | 49.2 | 262.0 | Up | 07:25:20 - 08:01:32 | -32930 |
| Idyllwild | 07:43:32 | -60.0 | Dark | Down | 51.2 | 260.7 | Up | 07:25:26 - 08:01:38 | -33052 |
| Blythe | 07:43:26 | -60.3 | Dark | Down | 49.5 | 262.4 | Up | 07:25:20 - 08:01:32 | -32988 |
| Calipatria | 07:43:28 | -60.7 | Dark | Down | 50.3 | 262.3 | Up | 07:25:22 - 08:01:34 | -33067 |
| Yuma | 07:43:23 | -61.2 | Dark | Down | 49.6 | 263.4 | Up | 07:25:17 - 08:01:29 | -33074 |
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.
Event circumstances last updated at 2015/11/22 02:36:10 UT
Marc W. Buie, Southwest Research Institute