Event between 01QX322 and star GA1200:00297002 with event index number of 211269
Geocentric closest approach at 2019/10/02 09:55:18 UTC
J2000 position of star is 01:47:23.7 +31:44:45
Equinox of date position of star is 01:48:30.7 +31:50:33
Stellar brightness G=16.1,
use SENSEUP=128
Star is 148 degrees from the moon.
Moon is 18% illuminated.
TNO apparent brightness V=22.5
[RECON map]
TNO is 44.1 AU from the Sun
and 43.3 AU from the Earth.
The TNO is moving 22.3
km/sec on the sky relative to the star, or,
2.6 arcsec/hr.
The 1-sigma error in the time of the event is 451 seconds.
The 1-sigma cross-track error in the shadow position is
3717 km.
The sky-plane scale is
31385.4 km/arcsec.
The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 17.0 sec chord
Diameter=155.2 km assuming a 30% albedo -- 7.0 sec chord
Dynamical classification is SCATNEAR
Star training set for 01QX322, (2019/10/02 09:55UT) Object RA Dec mag sep mel Aldebaran 04:37:03.4 +16:32:51 0.8 41.05 169 Hamal 02:08:17.5 +23:33:18 2.0 9.37 155 PPM 066632 01:49:49.8 +32:47:23 6.2 0.98 148 PPM 066569 01:44:58.2 +32:17:27 7.3 0.88 147 PPM 066597 01:47:16.8 +31:35:06 9.8 0.37 148 PPM 066601 01:47:22.1 +31:59:31 10.9 0.29 148 01QX322 01:48:31.8 +31:50:38 16.1 148 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
2.0 sigma about the mid-time.
The median site spacing is 24.9 km
RECON observability=1.0 and success probability=12.2%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 09:54:15 | -36.4 | Dark | Down | 69.4 | 213.3 | Up | 09:39:15 - 10:09:15 | 4099 |
| Summerland | 09:54:16 | -36.7 | Dark | Down | 69.7 | 213.2 | Up | 09:39:16 - 10:09:16 | 4070 |
| Penticton | 09:54:16 | -36.7 | Dark | Down | 69.7 | 213.5 | Up | 09:39:16 - 10:09:16 | 4062 |
| Okanagan Falls | 09:54:16 | -36.9 | Dark | Down | 69.9 | 213.7 | Up | 09:39:16 - 10:09:16 | 4042 |
| Oliver | 09:54:16 | -37.0 | Dark | Down | 70.0 | 214.0 | Up | 09:39:16 - 10:09:16 | 4025 |
| Anarchist Mountain Observatory | 09:54:15 | -37.1 | Dark | Down | 70.1 | 214.7 | Up | 09:39:15 - 10:09:15 | 4004 |
| Oroville | 09:54:16 | -37.1 | Dark | Down | 70.2 | 214.7 | Up | 09:39:16 - 10:09:16 | 3997 |
| Tonasket | 09:54:15 | -37.3 | Dark | Down | 70.4 | 215.1 | Up | 09:39:15 - 10:09:15 | 3972 |
| Okanogan | 09:54:16 | -37.6 | Dark | Down | 70.7 | 215.3 | Up | 09:39:16 - 10:09:16 | 3938 |
| Brewster | 09:54:17 | -37.9 | Dark | Down | 71.0 | 215.3 | Up | 09:39:17 - 10:09:17 | 3911 |
| Manson/Chelan | 09:54:18 | -38.2 | Dark | Down | 71.3 | 214.8 | Up | 09:39:18 - 10:09:18 | 3893 |
| Entiat | 09:54:18 | -38.4 | Dark | Down | 71.5 | 215.0 | Up | 09:39:18 - 10:09:18 | 3870 |
| Wenatchee | 09:54:19 | -38.7 | Dark | Down | 71.8 | 215.2 | Up | 09:39:19 - 10:09:19 | 3844 |
| Ellensburg | 09:54:20 | -39.1 | Dark | Down | 72.2 | 215.4 | Up | 09:39:20 - 10:09:20 | 3803 |
| Yakima | 09:54:20 | -39.4 | Dark | Down | 72.5 | 216.1 | Up | 09:39:20 - 10:09:20 | 3759 |
| Toppenish/White Swan | 09:54:20 | -39.5 | Dark | Down | 72.6 | 216.9 | Up | 09:39:20 - 10:09:20 | 3734 |
| Pasco | 09:54:15 | -39.0 | Dark | Down | 72.2 | 220.2 | Up | 09:39:15 - 10:09:15 | 3707 |
| Goldendale | 09:54:22 | -40.1 | Dark | Down | 73.2 | 216.9 | Up | 09:39:22 - 10:09:22 | 3680 |
| PNWRO | 09:54:15 | -39.1 | Dark | Down | 72.3 | 221.2 | Up | 09:39:15 - 10:09:15 | 3678 |
| George/Umatilla | 09:54:17 | -39.3 | Dark | Down | 72.5 | 220.4 | Up | 09:39:17 - 10:09:17 | 3673 |
| The Dalles | 09:54:23 | -40.4 | Dark | Down | 73.6 | 216.5 | Up | 09:39:23 - 10:09:23 | 3660 |
| Maupin | 09:54:23 | -40.7 | Dark | Down | 73.9 | 217.6 | Up | 09:39:23 - 10:09:23 | 3614 |
| Madras/Culver | 09:54:23 | -41.1 | Dark | Down | 74.3 | 218.7 | Up | 09:39:23 - 10:09:23 | 3555 |
| Sisters | 09:54:25 | -41.6 | Dark | Down | 74.8 | 218.2 | Up | 09:39:25 - 10:09:25 | 3525 |
| Redmond | 09:54:24 | -41.4 | Dark | Down | 74.6 | 219.4 | Up | 09:39:24 - 10:09:24 | 3517 |
| Bend | 09:54:25 | -41.6 | Dark | Down | 74.8 | 219.5 | Up | 09:39:25 - 10:09:25 | 3496 |
| Oregon Observatory | 09:54:25 | -41.8 | Dark | Down | 75.0 | 219.5 | Up | 09:39:25 - 10:09:25 | 3479 |
| La Pine/Gilchrist | 09:54:25 | -42.0 | Dark | Down | 75.2 | 219.9 | Up | 09:39:25 - 10:09:25 | 3457 |
| North Lake | 09:54:23 | -42.0 | Dark | Down | 75.3 | 222.6 | Up | 09:39:23 - 10:09:23 | 3403 |
| Chiloquin | 09:54:27 | -43.0 | Dark | Down | 76.2 | 221.7 | Up | 09:39:27 - 10:09:27 | 3342 |
| Paisley | 09:54:23 | -42.3 | Dark | Down | 75.5 | 225.0 | Up | 09:39:23 - 10:09:23 | 3339 |
| Klamath Falls | 09:54:27 | -43.2 | Dark | Down | 76.4 | 222.9 | Up | 09:39:27 - 10:09:27 | 3304 |
| Lakeview | 09:54:22 | -42.5 | Dark | Down | 75.7 | 226.9 | Up | 09:39:22 - 10:09:22 | 3281 |
| Tulelake | 09:54:26 | -43.3 | Dark | Down | 76.5 | 224.5 | Up | 09:39:26 - 10:09:26 | 3270 |
| Cedarville | 09:54:22 | -42.9 | Dark | Down | 76.1 | 229.4 | Up | 09:39:22 - 10:09:22 | 3207 |
| Fall River/Burney | 09:54:27 | -43.9 | Dark | Down | 77.1 | 227.6 | Up | 09:39:27 - 10:09:27 | 3171 |
| Susanville | 09:54:24 | -44.0 | Dark | Down | 77.1 | 231.7 | Up | 09:39:24 - 10:09:24 | 3092 |
| Greenville | 09:54:26 | -44.3 | Dark | Down | 77.4 | 231.9 | Up | 09:39:26 - 10:09:26 | 3066 |
| Gimple | 09:54:25 | -44.3 | Dark | Down | 77.4 | 232.1 | Up | 09:39:25 - 10:09:25 | 3064 |
| Quincy | 09:54:25 | -44.5 | Dark | Down | 77.5 | 232.6 | Up | 09:39:25 - 10:09:25 | 3044 |
| Portola | 09:54:24 | -44.3 | Dark | Down | 77.3 | 234.3 | Up | 09:39:24 - 10:09:24 | 3024 |
| Reno | 09:54:22 | -44.1 | Dark | Down | 77.0 | 236.9 | Up | 09:39:22 - 10:09:22 | 2986 |
| Niwot | 09:53:28 | -34.9 | Dark | Down | 66.6 | 257.7 | Up | 09:38:28 - 10:08:28 | 2955 |
| Carson City | 09:54:22 | -44.3 | Dark | Down | 77.2 | 238.3 | Up | 09:39:22 - 10:09:22 | 2947 |
| SwRI | 09:53:29 | -35.0 | Dark | Down | 66.7 | 257.8 | Up | 09:38:29 - 10:08:29 | 2944 |
| Gardnerville | 09:54:22 | -44.5 | Dark | Down | 77.3 | 239.3 | Up | 09:39:22 - 10:09:22 | 2920 |
| Yerington | 09:54:20 | -44.1 | Dark | Down | 76.9 | 240.5 | Up | 09:39:20 - 10:09:20 | 2918 |
| Hawthorne | 09:54:18 | -44.1 | Dark | Down | 76.8 | 243.4 | Up | 09:39:18 - 10:09:18 | 2861 |
| Lee Vining | 09:54:20 | -44.8 | Dark | Down | 77.4 | 244.6 | Up | 09:39:20 - 10:09:20 | 2804 |
| Tonopah | 09:54:13 | -43.6 | Dark | Down | 76.0 | 247.9 | Up | 09:39:13 - 10:09:13 | 2794 |
| Bishop | 09:54:18 | -44.8 | Dark | Down | 77.1 | 248.4 | Up | 09:39:18 - 10:09:18 | 2730 |
| Beatty | 09:54:11 | -44.1 | Dark | Down | 76.0 | 253.0 | Up | 09:39:11 - 10:09:11 | 2662 |
| Lone Pine | 09:54:17 | -45.0 | Dark | Down | 77.1 | 252.2 | Up | 09:39:17 - 10:09:17 | 2643 |
| Indian Springs | 09:54:07 | -43.6 | Dark | Down | 75.3 | 255.8 | Up | 09:39:07 - 10:09:07 | 2615 |
| Henderson | 09:54:05 | -43.4 | Dark | Down | 74.9 | 258.6 | Up | 09:39:05 - 10:09:05 | 2550 |
| CPSLO | 09:54:28 | -47.5 | Dark | Down | 79.4 | 253.7 | Up | 09:39:28 - 10:09:28 | 2533 |
| Searchlight/Boulder City | 09:54:05 | -43.7 | Dark | Down | 74.9 | 260.8 | Up | 09:39:05 - 10:09:05 | 2486 |
| Patrick | 09:54:02 | -43.1 | Dark | Down | 74.1 | 262.0 | Up | 09:39:02 - 10:09:02 | 2471 |
| Laughlin/Bullhead City | 09:54:04 | -43.7 | Dark | Down | 74.7 | 262.2 | Up | 09:39:04 - 10:09:04 | 2450 |
| Kingman/Dolan Springs | 09:54:02 | -43.3 | Dark | Down | 74.3 | 262.6 | Up | 09:39:02 - 10:09:02 | 2448 |
| DCO | 09:53:58 | -42.8 | Dark | Down | 73.6 | 263.7 | Up | 09:38:58 - 10:08:58 | 2432 |
| Mohave Valley | 09:54:04 | -43.8 | Dark | Down | 74.7 | 263.2 | Up | 09:39:04 - 10:09:04 | 2420 |
| Wildwood | 09:54:20 | -46.9 | Dark | Down | 78.1 | 262.5 | Up | 09:39:20 - 10:09:20 | 2373 |
| Lake Havasu City | 09:54:03 | -43.9 | Dark | Down | 74.5 | 264.9 | Up | 09:39:03 - 10:09:03 | 2373 |
| Parker | 09:54:04 | -44.1 | Dark | Down | 74.6 | 266.1 | Up | 09:39:04 - 10:09:04 | 2334 |
| Idyllwild | 09:54:13 | -45.9 | Dark | Down | 76.6 | 265.9 | Up | 09:39:13 - 10:09:13 | 2312 |
| Blythe | 09:54:05 | -44.6 | Dark | Down | 74.8 | 267.8 | Up | 09:39:05 - 10:09:05 | 2279 |
| Calipatria | 09:54:09 | -45.5 | Dark | Down | 75.6 | 269.1 | Up | 09:39:09 - 10:09:09 | 2233 |
| Yuma | 09:54:05 | -45.1 | Dark | Down | 74.9 | 271.2 | Up | 09:39:05 - 10:09:05 | 2177 |
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 01QX322, (2019/10/02 09:55UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 41.05 169 Hamal 02:07:10.7 +23:27:42 2.0 9.37 155 PPM 066632 01:48:41.3 +32:41:31 6.2 0.98 148 PPM 066569 01:43:50.1 +32:11:31 7.3 0.88 147 PPM 066597 01:46:08.8 +31:29:12 9.8 0.37 148 PPM 066601 01:46:13.9 +31:53:37 10.9 0.29 148 01QX322 01:47:23.7 +31:44:45 16.1 148 Positions are for J2000
Event circumstances last updated at 2019/06/07 22:42:17 UT
Marc W. Buie, Southwest Research Institute