Event between (449097) 12UT68 and star UC4-611-019064 with event index number of 88233
Geocentric closest approach at 2016/10/24 06:12:33 UTC
J2000 position of star is 05:13:37.0 +32:00:37
Equinox of date position of star is 05:14:42.3 +32:01:43
Stellar brightness R=15.7
Star is 60 degrees from the moon.
Moon is 35% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 13.0 AU from the Sun
and 12.4 AU from the Earth.
The TNO is moving 12.1
km/sec on the sky relative to the star, or,
4.9 arcsec/hr.
The 1-sigma error in the time of the event is 97 seconds.
The 1-sigma cross-track error in the shadow position is
693 km.
The sky-plane scale is
8967.4 km/arcsec.
The TNO has an absolute magnitude Hv=9.5
Diameter=75.9 km assuming a 5% albedo -- 6.0 sec chord
Diameter=31.0 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
Star training set for 449097, (2016/10/24 06:13UT) Object RA Dec mag sep mel Aldebaran 04:36:53.2 +16:32:30 0.8 17.70 69 3Iot Aur 04:58:05.5 +33:11:28 2.7 3.69 63 14 Aur 05:16:30.2 +32:42:20 5.2 0.78 59 PPM 070082 05:15:44.6 +31:25:11 7.8 0.65 59 PPM 070070 05:15:19.7 +31:59:29 9.6 0.14 59 PPM 070047 05:14:21.5 +32:06:11 10.5 0.10 60 449097 05:14:42.5 +32:01:44 15.7 59 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 23.9 km
RECON observability=1.0 and success probability=30.4%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 06:19:20 | -49.2 | Dark | Down | 36.2 | 80.8 | Up | 06:10:47 - 06:27:54 | 2304 |
| Tonasket | 06:19:21 | -49.4 | Dark | Down | 36.2 | 80.7 | Up | 06:10:48 - 06:27:55 | 2280 |
| Okanogan | 06:19:23 | -49.6 | Dark | Down | 36.0 | 80.3 | Up | 06:10:49 - 06:27:56 | 2249 |
| Brewster | 06:19:25 | -49.8 | Dark | Down | 35.9 | 80.0 | Up | 06:10:51 - 06:27:58 | 2227 |
| Manson/Chelan | 06:19:26 | -49.8 | Dark | Down | 35.6 | 79.6 | Up | 06:10:53 - 06:28:00 | 2214 |
| Entiat | 06:19:27 | -50.0 | Dark | Down | 35.5 | 79.4 | Up | 06:10:53 - 06:28:00 | 2194 |
| Wenatchee | 06:19:28 | -50.2 | Dark | Down | 35.4 | 79.2 | Up | 06:10:55 - 06:28:02 | 2170 |
| Ellensburg | 06:19:31 | -50.4 | Dark | Down | 35.2 | 78.7 | Up | 06:10:57 - 06:28:04 | 2133 |
| Yakima | 06:19:32 | -50.8 | Dark | Down | 35.1 | 78.5 | Up | 06:10:58 - 06:28:05 | 2092 |
| Toppenish/White Swan | 06:19:32 | -51.0 | Dark | Down | 35.2 | 78.4 | Up | 06:10:59 - 06:28:06 | 2066 |
| Pasco | 06:19:28 | -51.6 | Dark | Down | 36.0 | 79.1 | Up | 06:10:55 - 06:28:02 | 2021 |
| Goldendale | 06:19:34 | -51.3 | Dark | Down | 34.8 | 77.8 | Up | 06:11:01 - 06:28:08 | 2020 |
| The Dalles | 06:19:37 | -51.3 | Dark | Down | 34.5 | 77.4 | Up | 06:11:03 - 06:28:10 | 2007 |
| George/Umatilla | 06:19:30 | -51.8 | Dark | Down | 35.8 | 78.7 | Up | 06:10:56 - 06:28:03 | 1992 |
| PNWRO | 06:19:29 | -51.9 | Dark | Down | 36.1 | 79.1 | Up | 06:10:55 - 06:28:02 | 1990 |
| Maupin | 06:19:38 | -51.7 | Dark | Down | 34.5 | 77.2 | Up | 06:11:04 - 06:28:11 | 1961 |
| Madras/Culver | 06:19:40 | -52.1 | Dark | Down | 34.3 | 76.8 | Up | 06:11:07 - 06:28:14 | 1906 |
| Sisters | 06:19:43 | -52.2 | Dark | Down | 33.9 | 76.3 | Up | 06:11:09 - 06:28:16 | 1884 |
| Redmond | 06:19:41 | -52.4 | Dark | Down | 34.2 | 76.6 | Up | 06:11:08 - 06:28:15 | 1870 |
| Bend | 06:19:41 | -52.5 | Dark | Down | 34.0 | 76.3 | Up | 06:11:08 - 06:28:15 | 1852 |
| Oregon Observatory | 06:19:44 | -52.6 | Dark | Down | 33.9 | 76.1 | Up | 06:11:10 - 06:28:17 | 1838 |
| La Pine/Gilchrist | 06:19:44 | -52.7 | Dark | Down | 33.8 | 76.0 | Up | 06:11:11 - 06:28:18 | 1819 |
| North Lake | 06:19:44 | -53.3 | Dark | Down | 34.1 | 76.0 | Up | 06:11:10 - 06:28:17 | 1757 |
| Chiloquin | 06:19:48 | -53.4 | Dark | Down | 33.3 | 75.1 | Up | 06:11:15 - 06:28:22 | 1714 |
| Paisley | 06:19:43 | -53.9 | Dark | Down | 34.3 | 75.9 | Up | 06:11:10 - 06:28:17 | 1690 |
| Klamath Falls | 06:19:49 | -53.7 | Dark | Down | 33.3 | 74.9 | Up | 06:11:16 - 06:28:23 | 1676 |
| Tulelake | 06:19:49 | -54.1 | Dark | Down | 33.4 | 74.9 | Up | 06:11:15 - 06:28:22 | 1640 |
| Lakeview | 06:19:44 | -54.4 | Dark | Down | 34.3 | 75.6 | Up | 06:11:11 - 06:28:18 | 1632 |
| Cedarville | 06:19:45 | -55.0 | Dark | Down | 34.3 | 75.3 | Up | 06:11:12 - 06:28:19 | 1559 |
| Fall River/Burney | 06:19:51 | -54.8 | Dark | Down | 33.3 | 74.4 | Up | 06:11:18 - 06:28:25 | 1543 |
| Susanville | 06:19:50 | -55.7 | Dark | Down | 33.6 | 74.3 | Up | 06:11:17 - 06:28:24 | 1457 |
| Greenville | 06:19:51 | -55.7 | Dark | Down | 33.3 | 74.0 | Up | 06:11:18 - 06:28:25 | 1436 |
| Quincy | 06:19:52 | -55.9 | Dark | Down | 33.3 | 73.9 | Up | 06:11:18 - 06:28:25 | 1415 |
| Portola | 06:19:51 | -56.2 | Dark | Down | 33.6 | 74.1 | Up | 06:11:18 - 06:28:25 | 1389 |
| Reno | 06:19:49 | -56.8 | Dark | Down | 34.0 | 74.2 | Up | 06:11:15 - 06:28:22 | 1342 |
| Carson City | 06:19:50 | -57.0 | Dark | Down | 33.9 | 74.0 | Up | 06:11:16 - 06:28:23 | 1304 |
| Gardnerville | 06:19:50 | -57.3 | Dark | Down | 33.9 | 73.8 | Up | 06:11:17 - 06:28:24 | 1277 |
| Yerington | 06:19:48 | -57.5 | Dark | Down | 34.3 | 74.2 | Up | 06:11:14 - 06:28:21 | 1266 |
| Hawthorne | 06:19:47 | -58.1 | Dark | Down | 34.6 | 74.1 | Up | 06:11:14 - 06:28:21 | 1203 |
| Lee Vining | 06:19:50 | -58.3 | Dark | Down | 34.1 | 73.5 | Up | 06:11:16 - 06:28:23 | 1157 |
| Tonopah | 06:19:43 | -59.2 | Dark | Down | 35.5 | 74.4 | Up | 06:11:09 - 06:28:16 | 1115 |
| Niwot | 06:18:46 | -61.2 | Dark | Down | 44.9 | 82.0 | Up | 06:10:12 - 06:27:19 | 1081 |
| Bishop | 06:19:48 | -59.1 | Dark | Down | 34.5 | 73.4 | Up | 06:11:15 - 06:28:22 | 1074 |
| Lone Pine | 06:19:48 | -59.9 | Dark | Down | 34.5 | 73.1 | Up | 06:11:15 - 06:28:22 | 984 |
| Beatty | 06:19:42 | -60.3 | Dark | Down | 35.6 | 73.9 | Up | 06:11:09 - 06:28:16 | 981 |
| CPSLO | 06:20:01 | -59.5 | Dark | Down | 32.1 | 71.2 | Up | 06:11:27 - 06:28:34 | 923 |
| Indian Springs | 06:19:39 | -61.1 | Dark | Down | 36.3 | 74.1 | Up | 06:11:05 - 06:28:12 | 918 |
| Henderson | 06:19:37 | -61.8 | Dark | Down | 36.7 | 74.0 | Up | 06:11:03 - 06:28:10 | 843 |
| Searchlight/Boulder City | 06:19:37 | -62.3 | Dark | Down | 36.6 | 73.6 | Up | 06:11:03 - 06:28:10 | 780 |
| Patrick | 06:19:33 | -62.9 | Dark | Down | 37.4 | 74.0 | Up | 06:10:59 - 06:28:06 | 748 |
| Laughlin/Bullhead City | 06:19:37 | -62.7 | Dark | Down | 36.8 | 73.6 | Up | 06:11:03 - 06:28:10 | 740 |
| Wildwood | 06:19:55 | -61.5 | Dark | Down | 33.3 | 71.3 | Up | 06:11:21 - 06:28:28 | 735 |
| Kingman/Dolan Springs | 06:19:34 | -63.0 | Dark | Down | 37.2 | 73.8 | Up | 06:11:00 - 06:28:07 | 729 |
| Mohave Valley | 06:19:37 | -63.0 | Dark | Down | 36.7 | 73.4 | Up | 06:11:03 - 06:28:10 | 711 |
| DCO | 06:19:30 | -63.4 | Dark | Down | 37.8 | 74.1 | Up | 06:10:56 - 06:28:03 | 698 |
| Lake Havasu City | 06:19:36 | -63.4 | Dark | Down | 36.8 | 73.2 | Up | 06:11:03 - 06:28:10 | 662 |
| Idyllwild | 06:19:48 | -62.8 | Dark | Down | 34.7 | 71.8 | Up | 06:11:14 - 06:28:21 | 644 |
| Parker | 06:19:36 | -63.7 | Dark | Down | 36.7 | 72.9 | Up | 06:11:03 - 06:28:10 | 623 |
| Blythe | 06:19:38 | -64.0 | Dark | Down | 36.3 | 72.5 | Up | 06:11:05 - 06:28:12 | 575 |
| Calipatria | 06:19:43 | -63.9 | Dark | Down | 35.4 | 71.8 | Up | 06:11:10 - 06:28:17 | 547 |
| Yuma | 06:19:40 | -64.7 | Dark | Down | 36.0 | 71.8 | Up | 06:11:06 - 06:28:13 | 478 |
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 449097, (2016/10/24 06:13UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 17.70 69 3Iot Aur 04:56:59.6 +33:09:58 2.7 3.69 63 14 Aur 05:15:24.3 +32:41:15 5.2 0.78 59 PPM 070082 05:14:39.4 +31:24:06 7.8 0.65 59 PPM 070070 05:14:14.2 +31:58:23 9.6 0.14 59 PPM 070047 05:13:16.0 +32:05:04 10.5 0.10 60 449097 05:13:37.0 +32:00:37 15.7 60 Positions are for J2000
Event circumstances last updated at 2016/10/07 18:01:19 UT
Marc W. Buie, Southwest Research Institute