Event between (10370) Hylonome and star GA0700:30803569 with event index number of 196530
Geocentric closest approach at 2019/06/13 10:24:33 UTC
J2000 position of star is 18:54:23.7 -18:38:45
Equinox of date position of star is 18:55:28.5 -18:37:17
Stellar brightness G=16.7,
use SENSEUP=128
Star is 69 degrees from the moon.
Moon is 83% illuminated.
TNO apparent brightness V=22.5
[RECON map]
TNO is 24.3 AU from the Sun
and 23.4 AU from the Earth.
The TNO is moving 21.4
km/sec on the sky relative to the star, or,
4.5 arcsec/hr.
The 1-sigma error in the time of the event is 957 seconds.
The 1-sigma cross-track error in the shadow position is
4311 km.
The sky-plane scale is
16956.5 km/arcsec.
The TNO has an absolute magnitude Hv=8.6
Diameter=114.8 km assuming a 5% albedo -- 5.4 sec chord
Diameter=46.9 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
Star training set for 10370, (2019/06/13 10:25UT) Object RA Dec mag sep mel Antares 16:30:36.2 -26:28:25 0.9 34.25 37 Nunki 18:56:28.2 -26:16:15 2.0 7.65 69 PPM 235314 19:00:32.4 -19:15:05 6.5 1.34 70 PPM 235159 18:54:04.2 -18:14:03 7.6 0.52 69 PPM 235172 18:54:29.1 -18:45:40 8.6 0.29 69 10370 18:55:32.0 -18:37:12 16.7 69 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 19.6 km
RECON observability=0.6 and success probability=0.8%
Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
Penticton | 10:38:15 | -9.0 | CT | Down | 20.0 | 198.0 | Low | 10:23:15 - 10:53:15 | 21802 |
Oroville | 10:38:15 | -9.5 | CT | Down | 20.5 | 198.2 | Low | 10:23:15 - 10:53:15 | 21774 |
Tonasket | 10:38:13 | -9.7 | CT | Down | 20.8 | 198.2 | Low | 10:23:13 - 10:53:13 | 21764 |
Okanogan | 10:38:13 | -10.0 | CT | Down | 21.1 | 198.1 | Low | 10:23:13 - 10:53:13 | 21750 |
Brewster | 10:38:15 | -10.3 | CT | Down | 21.4 | 198.0 | Low | 10:23:15 - 10:53:15 | 21740 |
Manson/Chelan | 10:38:15 | -10.6 | CT | Down | 21.7 | 197.6 | Low | 10:23:15 - 10:53:15 | 21734 |
Entiat | 10:38:16 | -10.8 | CT | Down | 21.9 | 197.6 | Low | 10:23:16 - 10:53:16 | 21725 |
Wenatchee | 10:38:15 | -11.1 | CT | Down | 22.2 | 197.5 | Low | 10:23:15 - 10:53:15 | 21714 |
Ellensburg | 10:38:16 | -11.5 | CT | Down | 22.6 | 197.3 | Low | 10:23:16 - 10:53:16 | 21696 |
Yakima | 10:38:16 | -11.8 | CT | Down | 23.0 | 197.4 | Low | 10:23:16 - 10:53:16 | 21677 |
Toppenish/White Swan | 10:38:14 | -11.9 | CT | Down | 23.2 | 197.6 | Low | 10:23:14 - 10:53:14 | 21664 |
Pasco | 10:38:10 | -11.5 | CT | Down | 23.0 | 198.8 | Low | 10:23:10 - 10:53:10 | 21643 |
Goldendale | 10:38:16 | -12.5 | AT | Down | 23.8 | 197.2 | Low | 10:23:16 - 10:53:16 | 21642 |
The Dalles | 10:38:17 | -12.9 | AT | Down | 24.1 | 196.9 | Low | 10:23:17 - 10:53:17 | 21634 |
George/Umatilla | 10:38:11 | -11.8 | CT | Down | 23.4 | 198.7 | Low | 10:23:11 - 10:53:11 | 21629 |
PNWRO | 10:38:09 | -11.6 | CT | Down | 23.2 | 199.1 | Low | 10:23:09 - 10:53:09 | 21628 |
Maupin | 10:38:16 | -13.2 | AT | Down | 24.5 | 197.0 | Low | 10:23:16 - 10:53:16 | 21612 |
Madras/Culver | 10:38:16 | -13.6 | AT | Down | 25.0 | 197.1 | Low | 10:23:16 - 10:53:16 | 21584 |
Sisters | 10:38:17 | -14.1 | AT | Down | 25.4 | 196.7 | Low | 10:23:17 - 10:53:17 | 21572 |
Redmond | 10:38:15 | -13.9 | AT | Down | 25.4 | 197.1 | Low | 10:23:15 - 10:53:15 | 21566 |
Bend | 10:38:16 | -14.2 | AT | Down | 25.6 | 196.9 | Low | 10:23:16 - 10:53:16 | 21556 |
Oregon Observatory | 10:38:16 | -14.4 | AT | Down | 25.8 | 196.8 | Low | 10:23:16 - 10:53:16 | 21548 |
La Pine/Gilchrist | 10:38:16 | -14.6 | AT | Down | 26.0 | 196.8 | Low | 10:23:16 - 10:53:16 | 21538 |
North Lake | 10:38:13 | -14.6 | AT | Down | 26.3 | 197.5 | Low | 10:23:13 - 10:53:13 | 21507 |
Chiloquin | 10:38:17 | -15.6 | AT | Down | 27.1 | 196.6 | Low | 10:23:17 - 10:53:17 | 21482 |
Paisley | 10:38:13 | -14.9 | AT | Down | 26.7 | 197.9 | Low | 10:23:13 - 10:53:13 | 21473 |
Klamath Falls | 10:38:16 | -15.8 | AT | Down | 27.4 | 196.7 | Low | 10:23:16 - 10:53:16 | 21462 |
Tulelake | 10:38:14 | -15.9 | AT | Down | 27.6 | 197.1 | Low | 10:23:14 - 10:53:14 | 21443 |
Lakeview | 10:38:11 | -15.3 | AT | Down | 27.2 | 198.2 | Low | 10:23:11 - 10:53:11 | 21442 |
Cedarville | 10:38:10 | -15.7 | AT | Down | 27.7 | 198.5 | Low | 10:23:10 - 10:53:10 | 21402 |
Fall River/Burney | 10:38:14 | -16.6 | AT | Down | 28.5 | 197.3 | Low | 10:23:14 - 10:53:14 | 21390 |
Susanville | 10:38:11 | -16.8 | AT | Down | 28.9 | 198.2 | Low | 10:23:11 - 10:53:11 | 21343 |
Greenville | 10:38:12 | -17.2 | AT | Down | 29.2 | 197.9 | Low | 10:23:12 - 10:53:12 | 21331 |
Gimple | 10:38:11 | -17.1 | AT | Down | 29.2 | 198.0 | Low | 10:23:11 - 10:53:11 | 21329 |
Quincy | 10:38:12 | -17.3 | AT | Down | 29.4 | 198.0 | Low | 10:23:12 - 10:53:12 | 21318 |
Portola | 10:38:09 | -17.2 | AT | Down | 29.4 | 198.5 | Low | 10:23:09 - 10:53:09 | 21305 |
Reno | 10:38:07 | -17.1 | AT | Down | 29.5 | 199.2 | Low | 10:23:07 - 10:53:07 | 21280 |
Carson City | 10:38:06 | -17.4 | AT | Down | 29.9 | 199.3 | Low | 10:23:06 - 10:53:06 | 21258 |
Gardnerville | 10:38:07 | -17.6 | AT | Down | 30.1 | 199.4 | Up | 10:23:07 - 10:53:07 | 21242 |
Yerington | 10:38:04 | -17.2 | AT | Down | 29.9 | 200.0 | Low | 10:23:04 - 10:53:04 | 21237 |
Hawthorne | 10:38:02 | -17.4 | AT | Down | 30.2 | 200.6 | Up | 10:23:02 - 10:53:02 | 21201 |
Lee Vining | 10:38:03 | -18.0 | Dark | Down | 30.9 | 200.2 | Up | 10:23:03 - 10:53:03 | 21172 |
Tonopah | 10:37:57 | -17.0 | AT | Down | 30.2 | 202.2 | Up | 10:22:57 - 10:52:57 | 21151 |
Bishop | 10:38:00 | -18.1 | Dark | Down | 31.2 | 201.1 | Up | 10:23:00 - 10:53:00 | 21124 |
Niwot | 10:37:16 | -9.1 | CT | Down | 24.1 | 213.4 | Low | 10:22:16 - 10:52:16 | 21080 |
Beatty | 10:37:54 | -17.7 | AT | Down | 31.2 | 202.9 | Up | 10:22:54 - 10:52:54 | 21070 |
Lone Pine | 10:37:58 | -18.6 | Dark | Down | 31.8 | 201.6 | Up | 10:22:58 - 10:52:58 | 21070 |
Indian Springs | 10:37:49 | -17.3 | AT | Down | 31.1 | 204.1 | Up | 10:22:49 - 10:52:49 | 21032 |
CPSLO | 10:38:08 | -20.9 | Dark | Down | 33.8 | 199.2 | Up | 10:23:08 - 10:53:08 | 21020 |
Henderson | 10:37:47 | -17.4 | AT | Down | 31.4 | 204.9 | Up | 10:22:47 - 10:52:47 | 20985 |
Searchlight/Boulder City | 10:37:46 | -17.8 | AT | Down | 31.9 | 205.1 | Up | 10:22:46 - 10:52:46 | 20946 |
Patrick | 10:37:42 | -17.2 | AT | Down | 31.6 | 206.2 | Up | 10:22:42 - 10:52:42 | 20925 |
Laughlin/Bullhead City | 10:37:43 | -17.8 | AT | Down | 32.0 | 205.6 | Up | 10:22:43 - 10:52:43 | 20920 |
Kingman/Dolan Springs | 10:37:42 | -17.5 | AT | Down | 31.8 | 206.1 | Up | 10:22:42 - 10:52:42 | 20913 |
Wildwood | 10:37:58 | -20.8 | Dark | Down | 34.3 | 201.6 | Up | 10:22:58 - 10:52:58 | 20908 |
Mohave Valley | 10:37:44 | -18.0 | AT | Down | 32.3 | 205.7 | Up | 10:22:44 - 10:52:44 | 20901 |
DCO | 10:37:39 | -17.1 | AT | Down | 31.6 | 207.0 | Up | 10:22:39 - 10:52:39 | 20892 |
Lake Havasu City | 10:37:43 | -18.1 | Dark | Down | 32.5 | 206.0 | Up | 10:22:43 - 10:52:43 | 20869 |
Idyllwild | 10:37:51 | -20.0 | Dark | Down | 34.1 | 203.7 | Up | 10:22:51 - 10:52:51 | 20855 |
Parker | 10:37:42 | -18.4 | Dark | Down | 32.9 | 206.1 | Up | 10:22:42 - 10:52:42 | 20844 |
Blythe | 10:37:43 | -18.9 | Dark | Down | 33.4 | 206.0 | Up | 10:22:43 - 10:52:43 | 20812 |
Calipatria | 10:37:46 | -19.8 | Dark | Down | 34.2 | 205.2 | Up | 10:22:46 - 10:52:46 | 20793 |
Yuma | 10:37:42 | -19.6 | Dark | Down | 34.3 | 206.2 | Up | 10:22:42 - 10:52:42 | 20747 |
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 10370, (2019/06/13 10:25UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 34.25 37 Nunki 18:55:15.9 -26:17:49 2.0 7.65 69 PPM 235314 18:59:23.9 -19:16:46 6.5 1.34 70 PPM 235159 18:52:56.0 -18:15:33 7.6 0.52 69 PPM 235172 18:53:20.7 -18:47:11 8.6 0.29 69 10370 18:54:23.7 -18:38:45 16.7 69 Positions are for J2000
Event circumstances last updated at 2018/06/12 02:17:23 UT
Marc W. Buie, Southwest Research Institute