Event between (500888) 13JP65 and star GA0780:05328183 with event index number of 1048963
Geocentric closest approach at 2021/01/29 14:11:44 UTC
J2000 position of star is 16:33:33.5 -11:40:09
Equinox of date position of star is 16:34:43.5 -11:42:43
Stellar brightness G=16.8,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=24.3
[RECON map]
TNO is 40.7 AU from the Sun
and 41.2 AU from the Earth.
The TNO is moving 20.1
km/sec on the sky relative to the star, or,
2.4 arcsec/hr.
The 1-sigma error in the time of the event is 973 seconds.
The 1-sigma cross-track error in the shadow position is
5930 km.
The sky-plane scale is
29863.0 km/arcsec.
The TNO has an absolute magnitude Hv=8.0
Diameter=151.4 km assuming a 5% albedo -- 7.5 sec chord
Diameter=61.8 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CLASSICAL
Star training set for 500888, (2021/01/29 14:12UT) Object RA Dec mag sep mel Antares 16:30:42.2 -26:28:37 0.9 14.80 110 13Zet Oph 16:38:19.3 -10:36:29 2.6 1.41 108 PPM 199862 16:39:56.6 -08:39:33 6.4 3.31 108 PPM 231840 16:34:41.9 -12:36:11 7.0 0.89 108 PPM 231847 16:34:59.1 -11:28:59 9.6 0.24 108 500888 16:34:43.8 -11:42:44 16.8 108 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 0.0 km
RECON observability=0.0 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) |
| Clarence Fulton | 14:10:46 | -13.5 | AT | Up | 24.1 | 152.0 | Low | 13:55:46 - 14:25:46 | -584 |
| Kelowna | 14:10:44 | -13.5 | AT | Up | 24.3 | 151.8 | Low | 13:55:44 - 14:25:44 | -603 |
| Peachland | 14:10:43 | -13.7 | AT | Up | 24.3 | 151.4 | Low | 13:55:43 - 14:25:43 | -608 |
| Summerland | 14:10:43 | -13.6 | AT | Up | 24.5 | 151.5 | Low | 13:55:43 - 14:25:43 | -616 |
| Penticton | 14:10:44 | -13.5 | AT | Up | 24.6 | 151.6 | Low | 13:55:44 - 14:25:44 | -620 |
| Oliver | 14:10:42 | -13.5 | AT | Up | 24.9 | 151.5 | Low | 13:55:42 - 14:25:42 | -638 |
| Anarchist Mountain Observatory | 14:10:43 | -13.3 | AT | Up | 25.1 | 151.7 | Low | 13:55:43 - 14:25:43 | -646 |
| Tonasket | 14:10:42 | -13.3 | AT | Up | 25.4 | 151.5 | Low | 13:55:42 - 14:25:42 | -663 |
| Victoria | 14:10:28 | -15.9 | AT | Up | 24.2 | 147.4 | Low | 13:55:28 - 14:25:28 | -671 |
| Okanogan | 14:10:41 | -13.3 | AT | Up | 25.6 | 151.3 | Low | 13:55:41 - 14:25:41 | -680 |
| Brewster | 14:10:40 | -13.4 | AT | Up | 25.8 | 151.0 | Low | 13:55:40 - 14:25:40 | -694 |
| Manson/Chelan | 14:10:38 | -13.6 | AT | Up | 25.8 | 150.6 | Low | 13:55:38 - 14:25:38 | -705 |
| Wenatchee | 14:10:36 | -13.6 | AT | Up | 26.2 | 150.3 | Low | 13:55:36 - 14:25:36 | -730 |
| Ellensburg | 14:10:34 | -13.7 | AT | Up | 26.5 | 149.9 | Low | 13:55:34 - 14:25:34 | -753 |
| Yakima | 14:10:34 | -13.6 | AT | Up | 26.8 | 149.8 | Low | 13:55:34 - 14:25:34 | -775 |
| Toppenish/White Swan | 14:10:34 | -13.5 | AT | Up | 27.1 | 149.9 | Low | 13:55:34 - 14:25:34 | -788 |
| Pasco | 14:10:38 | -12.6 | AT | Up | 27.6 | 151.2 | Low | 13:55:38 - 14:25:38 | -796 |
| PNWRO | 14:10:38 | -12.4 | AT | Up | 27.9 | 151.4 | Low | 13:55:38 - 14:25:38 | -810 |
| Goldendale | 14:10:31 | -13.6 | AT | Up | 27.4 | 149.3 | Low | 13:55:31 - 14:25:31 | -818 |
| The Dalles | 14:10:29 | -13.9 | AT | Up | 27.5 | 148.9 | Low | 13:55:29 - 14:25:29 | -831 |
| Maupin | 14:10:29 | -13.7 | AT | Up | 27.9 | 148.9 | Low | 13:55:29 - 14:25:29 | -855 |
| Sisters | 14:10:25 | -13.9 | AT | Up | 28.4 | 148.1 | Low | 13:55:25 - 14:25:25 | -906 |
| Redmond | 14:10:26 | -13.6 | AT | Up | 28.6 | 148.5 | Low | 13:55:26 - 14:25:26 | -908 |
| Bend | 14:10:25 | -13.7 | AT | Up | 28.7 | 148.3 | Low | 13:55:25 - 14:25:25 | -920 |
| Oregon Observatory | 14:10:25 | -13.7 | AT | Up | 28.8 | 148.1 | Low | 13:55:25 - 14:25:25 | -931 |
| La Pine/Gilchrist | 14:10:24 | -13.7 | AT | Up | 29.0 | 148.0 | Low | 13:55:24 - 14:25:24 | -943 |
| North Lake | 14:10:25 | -13.2 | AT | Up | 29.6 | 148.5 | Low | 13:55:25 - 14:25:25 | -970 |
| Paisley | 14:10:25 | -12.8 | AT | Up | 30.2 | 148.7 | Up | 13:55:25 - 14:25:25 | -1004 |
| Klamath Falls | 14:10:20 | -13.6 | AT | Up | 30.1 | 147.3 | Up | 13:55:20 - 14:25:20 | -1032 |
| Lakeview | 14:10:25 | -12.6 | AT | Up | 30.7 | 148.8 | Up | 13:55:25 - 14:25:25 | -1035 |
| Cedarville | 14:10:24 | -12.3 | AT | Up | 31.3 | 148.7 | Up | 13:55:24 - 14:25:24 | -1077 |
| Fall River/Burney | 14:10:19 | -13.1 | AT | Up | 31.2 | 147.3 | Up | 13:55:19 - 14:25:19 | -1108 |
| Susanville | 14:10:20 | -12.4 | AT | Up | 32.1 | 147.9 | Up | 13:55:20 - 14:25:20 | -1149 |
| Greenville | 14:10:18 | -12.6 | AT | Up | 32.2 | 147.4 | Up | 13:55:18 - 14:25:18 | -1167 |
| Gimple | 14:10:19 | -12.5 | AT | Up | 32.2 | 147.5 | Up | 13:55:19 - 14:25:19 | -1167 |
| Quincy | 14:10:18 | -12.5 | AT | Up | 32.3 | 147.4 | Up | 13:55:18 - 14:25:18 | -1181 |
| Portola | 14:10:20 | -12.1 | AT | Up | 32.6 | 147.8 | Up | 13:55:20 - 14:25:20 | -1189 |
| Reno | 14:10:21 | -11.6 | NT | Up | 33.1 | 148.5 | Up | 13:55:21 - 14:25:21 | -1207 |
| Dunrhomin | 14:11:22 | -0.9 | CT | Up | 37.0 | 165.7 | Up | 13:56:22 - 14:26:22 | -1212 |
| Carson City | 14:10:21 | -11.5 | NT | Up | 33.5 | 148.4 | Up | 13:55:21 - 14:25:21 | -1231 |
| Yerington | 14:10:23 | -11.0 | NT | Up | 33.9 | 149.0 | Up | 13:55:23 - 14:25:23 | -1245 |
| Gardnerville | 14:10:20 | -11.4 | NT | Up | 33.7 | 148.3 | Up | 13:55:20 - 14:25:20 | -1248 |
| Hawthorne | 14:10:24 | -10.4 | NT | Up | 34.5 | 149.4 | Up | 13:55:24 - 14:25:24 | -1278 |
| Tonopah | 14:10:29 | -9.2 | NT | Up | 35.5 | 150.8 | Up | 13:55:29 - 14:25:29 | -1312 |
| Lee Vining | 14:10:21 | -10.7 | NT | Up | 34.8 | 148.6 | Up | 13:55:21 - 14:25:21 | -1315 |
| Bishop | 14:10:23 | -10.0 | NT | Up | 35.6 | 149.2 | Up | 13:55:23 - 14:25:23 | -1359 |
| Beatty | 14:10:28 | -8.6 | NT | Up | 36.6 | 150.9 | Up | 13:55:28 - 14:25:28 | -1394 |
| Indian Springs | 14:10:33 | -7.6 | NT | Up | 37.4 | 152.0 | Up | 13:55:33 - 14:25:33 | -1420 |
| Henderson | 14:10:34 | -6.9 | NT | Up | 38.1 | 152.6 | Up | 13:55:34 - 14:25:34 | -1461 |
| CPSLO | 14:10:10 | -11.3 | NT | Up | 36.3 | 145.9 | Up | 13:55:10 - 14:25:10 | -1505 |
| Patrick | 14:10:38 | -5.9 | CT | Up | 39.1 | 153.7 | Up | 13:55:38 - 14:25:38 | -1510 |
| Kingman/Dolan Springs | 14:10:37 | -6.0 | CT | Up | 39.2 | 153.4 | Up | 13:55:37 - 14:25:37 | -1525 |
| Laughlin/Bullhead City | 14:10:35 | -6.4 | NT | Up | 39.0 | 152.8 | Up | 13:55:35 - 14:25:35 | -1526 |
| Mohave Valley | 14:10:35 | -6.3 | NT | Up | 39.3 | 152.7 | Up | 13:55:35 - 14:25:35 | -1546 |
| Lake Havasu City | 14:10:35 | -6.0 | CT | Up | 39.7 | 152.8 | Up | 13:55:35 - 14:25:35 | -1576 |
| Wildwood | 14:10:17 | -9.3 | NT | Up | 38.3 | 147.7 | Up | 13:55:17 - 14:25:17 | -1596 |
| Parker | 14:10:35 | -5.8 | CT | Up | 40.0 | 152.7 | Up | 13:55:35 - 14:25:35 | -1603 |
| Idyllwild | 14:10:24 | -7.7 | NT | Up | 39.4 | 149.7 | Up | 13:55:24 - 14:25:24 | -1626 |
| Blythe | 14:10:32 | -5.9 | CT | Up | 40.4 | 152.2 | Up | 13:55:32 - 14:25:32 | -1642 |
| George/Scottsdale | 14:10:44 | -3.7 | CT | Up | 41.3 | 155.6 | Up | 13:55:44 - 14:25:44 | -1643 |
| Calipatria | 14:10:28 | -6.5 | NT | Up | 40.4 | 150.8 | Up | 13:55:28 - 14:25:28 | -1676 |
| Yuma | 14:10:31 | -5.7 | CT | Up | 41.2 | 151.7 | Up | 13:55:31 - 14:25:31 | -1712 |
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 500888, (2021/01/29 14:12UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 14.80 110 13Zet Oph 16:37:09.6 -10:34:01 2.6 1.41 108 PPM 199862 16:38:47.7 -08:37:07 6.4 3.31 108 PPM 231840 16:33:31.2 -12:33:36 7.0 0.89 108 PPM 231847 16:33:49.0 -11:26:25 9.6 0.24 108 500888 16:33:33.5 -11:40:09 16.8 108 Positions are for J2000
Event circumstances last updated at 2021/01/01 22:39:18 UT
Marc W. Buie, Southwest Research Institute