Event between 00YB2 and star UC4-551-014219 with event index number of 96943
Geocentric closest approach at 2018/01/23 09:10:12 UTC
J2000 position of star is 05:23:04.3 +20:02:10
Equinox of date position of star is 05:24:01.9 +20:03:01
Stellar brightness R=13.5
Star is 67 degrees from the moon.
Moon is 34% illuminated.
TNO apparent brightness V=23.2
[RECON map]
TNO is 39.0 AU from the Sun
and 38.2 AU from the Earth.
The TNO is moving 18.0
km/sec on the sky relative to the star, or,
2.3 arcsec/hr.
The 1-sigma error in the time of the event is 530 seconds.
The 1-sigma cross-track error in the shadow position is
3044 km.
The TNO has an absolute magnitude Hv=7.2
Diameter=217.8 km assuming a 5% albedo -- 12.1 sec chord
Diameter=88.9 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 00YB2, (2018/01/23 09:10UT) Object RA Dec mag sep mel Aldebaran 04:36:57.5 +16:32:39 0.8 11.73 55 Alnath 05:27:26.1 +28:37:16 1.6 8.60 69 PPM 120839 05:21:22.3 +19:35:43 6.5 0.80 66 PPM 120910 05:25:01.3 +20:00:52 8.4 0.21 67 00YB2 05:24:08.6 +20:03:07 13.5 67 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 23.8 km
RECON observability=1.0 and success probability=5.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Oroville | 09:06:52 | -58.3 | Dark | Down | 35.1 | 260.3 | Up | 08:22:14 - 09:51:30 | 6512 |
| Tonasket | 09:06:50 | -58.5 | Dark | Down | 35.1 | 260.5 | Up | 08:22:12 - 09:51:28 | 6493 |
| Okanogan | 09:06:49 | -58.9 | Dark | Down | 35.3 | 260.6 | Up | 08:22:11 - 09:51:27 | 6461 |
| Brewster | 09:06:49 | -59.2 | Dark | Down | 35.5 | 260.6 | Up | 08:22:11 - 09:51:27 | 6434 |
| Manson/Chelan | 09:06:49 | -59.5 | Dark | Down | 35.7 | 260.4 | Up | 08:22:11 - 09:51:27 | 6408 |
| Entiat | 09:06:48 | -59.7 | Dark | Down | 35.8 | 260.5 | Up | 08:22:10 - 09:51:26 | 6388 |
| Wenatchee | 09:06:47 | -59.9 | Dark | Down | 35.9 | 260.6 | Up | 08:22:09 - 09:51:25 | 6364 |
| Ellensburg | 09:06:46 | -60.4 | Dark | Down | 36.1 | 260.7 | Up | 08:22:08 - 09:51:24 | 6324 |
| Yakima | 09:06:45 | -60.8 | Dark | Down | 36.2 | 261.0 | Up | 08:22:07 - 09:51:23 | 6289 |
| Toppenish/White Swan | 09:06:43 | -60.9 | Dark | Down | 36.1 | 261.3 | Up | 08:22:05 - 09:51:21 | 6274 |
| Pasco | 09:06:41 | -60.6 | Dark | Down | 35.3 | 262.4 | Up | 08:22:03 - 09:51:19 | 6292 |
| PNWRO | 09:06:39 | -60.7 | Dark | Down | 35.2 | 262.7 | Up | 08:22:01 - 09:51:17 | 6276 |
| George/Umatilla | 09:06:39 | -61.0 | Dark | Down | 35.5 | 262.4 | Up | 08:22:01 - 09:51:17 | 6258 |
| Goldendale | 09:06:42 | -61.5 | Dark | Down | 36.5 | 261.4 | Up | 08:22:04 - 09:51:20 | 6216 |
| The Dalles | 09:06:42 | -61.8 | Dark | Down | 36.8 | 261.2 | Up | 08:22:04 - 09:51:20 | 6188 |
| Maupin | 09:06:41 | -62.2 | Dark | Down | 36.8 | 261.6 | Up | 08:22:03 - 09:51:19 | 6154 |
| Madras/Culver | 09:06:39 | -62.7 | Dark | Down | 36.9 | 262.0 | Up | 08:22:01 - 09:51:17 | 6105 |
| Sisters | 09:06:39 | -63.1 | Dark | Down | 37.3 | 261.9 | Up | 08:22:01 - 09:51:17 | 6065 |
| Redmond | 09:06:38 | -63.0 | Dark | Down | 37.0 | 262.2 | Up | 08:22:00 - 09:51:16 | 6072 |
| Bend | 09:06:37 | -63.3 | Dark | Down | 37.1 | 262.3 | Up | 08:21:59 - 09:51:15 | 6050 |
| Oregon Observatory | 09:06:37 | -63.5 | Dark | Down | 37.3 | 262.3 | Up | 08:21:59 - 09:51:15 | 6031 |
| LaPine/Gilchrist | 09:06:36 | -63.7 | Dark | Down | 37.3 | 262.4 | Up | 08:21:58 - 09:51:14 | 6012 |
| North Lake | 09:06:34 | -63.9 | Dark | Down | 37.0 | 263.2 | Up | 08:21:56 - 09:51:12 | 5987 |
| Paisley | 09:06:30 | -64.2 | Dark | Down | 36.8 | 263.8 | Up | 08:21:52 - 09:51:08 | 5946 |
| Chiloquin | 09:06:34 | -64.8 | Dark | Down | 37.7 | 263.0 | Up | 08:21:56 - 09:51:12 | 5903 |
| Klamath Falls | 09:06:32 | -65.1 | Dark | Down | 37.7 | 263.3 | Up | 08:21:54 - 09:51:10 | 5874 |
| Lakeview | 09:06:29 | -64.6 | Dark | Down | 36.7 | 264.3 | Up | 08:21:51 - 09:51:07 | 5905 |
| Tulelake | 09:06:30 | -65.2 | Dark | Down | 37.5 | 263.7 | Up | 08:21:52 - 09:51:08 | 5856 |
| Cedarville | 09:06:25 | -65.1 | Dark | Down | 36.6 | 265.0 | Up | 08:21:47 - 09:51:03 | 5849 |
| Fall River/Burney | 09:06:26 | -66.0 | Dark | Down | 37.6 | 264.4 | Up | 08:21:48 - 09:51:04 | 5775 |
| Susanville | 09:06:23 | -66.2 | Dark | Down | 37.1 | 265.4 | Up | 08:21:45 - 09:51:01 | 5735 |
| Greenville | 09:06:23 | -66.6 | Dark | Down | 37.3 | 265.4 | Up | 08:21:45 - 09:51:01 | 5702 |
| Niwot | 09:05:51 | -58.1 | Dark | Down | 25.4 | 275.5 | Low | 08:21:13 - 09:50:29 | 6120 |
| Quincy | 09:06:22 | -66.8 | Dark | Down | 37.3 | 265.6 | Up | 08:21:44 - 09:51:00 | 5683 |
| Portola | 09:06:20 | -66.7 | Dark | Down | 37.0 | 266.0 | Up | 08:21:42 - 09:50:58 | 5684 |
| Reno | 09:06:18 | -66.6 | Dark | Down | 36.5 | 266.6 | Up | 08:21:40 - 09:50:56 | 5675 |
| Carson City | 09:06:17 | -66.9 | Dark | Down | 36.5 | 266.9 | Up | 08:21:39 - 09:50:55 | 5643 |
| Yerington | 09:06:15 | -66.8 | Dark | Down | 36.0 | 267.5 | Up | 08:21:37 - 09:50:53 | 5641 |
| Gardnerville | 09:06:16 | -67.1 | Dark | Down | 36.5 | 267.1 | Up | 08:21:38 - 09:50:54 | 5621 |
| Hawthorne | 09:06:12 | -66.9 | Dark | Down | 35.7 | 268.1 | Up | 08:21:34 - 09:50:50 | 5611 |
| Lee Vining | 09:06:11 | -67.6 | Dark | Down | 36.1 | 268.2 | Up | 08:21:33 - 09:50:49 | 5546 |
| Tonopah | 09:06:06 | -66.6 | Dark | Down | 34.6 | 269.4 | Up | 08:21:28 - 09:50:44 | 5605 |
| Bishop | 09:06:06 | -67.7 | Dark | Down | 35.5 | 269.1 | Up | 08:21:28 - 09:50:44 | 5508 |
| Lone Pine | 09:06:04 | -68.1 | Dark | Down | 35.3 | 269.9 | Up | 08:21:26 - 09:50:42 | 5445 |
| Beatty | 09:06:01 | -67.2 | Dark | Down | 34.2 | 270.4 | Up | 08:21:23 - 09:50:39 | 5508 |
| Indian Springs | 09:05:58 | -66.8 | Dark | Down | 33.4 | 271.3 | Up | 08:21:20 - 09:50:36 | 5507 |
| Henderson | 09:05:54 | -66.7 | Dark | Down | 32.8 | 272.0 | Up | 08:21:16 - 09:50:32 | 5476 |
| Searchlight/Boulder City | 09:05:53 | -67.1 | Dark | Down | 32.7 | 272.4 | Up | 08:21:15 - 09:50:31 | 5423 |
| CPSLO | 09:06:06 | -70.4 | Dark | Down | 37.4 | 269.3 | Up | 08:21:28 - 09:50:44 | 5251 |
| Kingman/Dolan Springs | 09:05:50 | -66.7 | Dark | Down | 32.0 | 273.1 | Up | 08:21:12 - 09:50:28 | 5422 |
| Laughlin/Bullhead City | 09:05:51 | -67.0 | Dark | Down | 32.5 | 272.8 | Up | 08:21:13 - 09:50:29 | 5404 |
| DCO | 09:05:48 | -66.1 | Dark | Down | 31.3 | 273.6 | Up | 08:21:10 - 09:50:26 | 5439 |
| Mohave Valley | 09:05:50 | -67.2 | Dark | Down | 32.4 | 273.0 | Up | 08:21:12 - 09:50:28 | 5379 |
| Lake Havasu City | 09:05:48 | -67.3 | Dark | Down | 32.2 | 273.3 | Up | 08:21:10 - 09:50:26 | 5348 |
| Parker | 09:05:48 | -67.5 | Dark | Down | 32.2 | 273.6 | Up | 08:21:10 - 09:50:26 | 5315 |
| Idyllwild | 09:05:51 | -69.3 | Dark | Down | 34.2 | 272.6 | Up | 08:21:13 - 09:50:29 | 5208 |
| Blythe | 09:05:46 | -68.0 | Dark | Down | 32.4 | 273.7 | Up | 08:21:08 - 09:50:24 | 5256 |
| Calipatria | 09:05:47 | -68.9 | Dark | Down | 33.1 | 273.6 | Up | 08:21:09 - 09:50:25 | 5182 |
| Yuma | 09:05:43 | -68.5 | Dark | Down | 32.4 | 274.3 | Up | 08:21:05 - 09:50:21 | 5166 |
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 2016/03/11 19:02:19 UT
Marc W. Buie, Southwest Research Institute