Event between 13FG28 and star GA0720:04802425 with event index number of 2051780
Geocentric closest approach at 2022/03/03 07:22:41 UTC
J2000 position of star is 12:10:55.8 -16:25:24
Equinox of date position of star is 12:12:03.7 -16:32:42
Stellar brightness G=16.9,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 154 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=22.8
[RECON map]
TNO is 36.4 AU from the Sun
and 35.5 AU from the Earth.
The TNO is moving 21.8
km/sec on the sky relative to the star, or,
3.0 arcsec/hr.
The 1-sigma error in the time of the event is 253 seconds.
The 1-sigma cross-track error in the shadow position is
4856 km.
The sky-plane scale is
25783.1 km/arcsec.
The TNO has an absolute magnitude Hv=7.1
Diameter=229.1 km assuming a 5% albedo -- 10.5 sec chord
Diameter=93.5 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 13FG28, (2022/03/03 07:23UT) Object RA Dec mag sep mel Spica 13:26:21.8 -11:16:35 1.0 18.77 146 4Gam Crv 12:16:57.0 -17:39:54 2.6 1.61 152 PPM 225621 12:18:12.1 -16:49:01 6.3 1.49 153 PPM 225450 12:11:12.0 -16:37:55 8.4 0.23 154 PPM 225463 12:11:37.5 -16:29:45 9.7 0.12 154 13FG28 12:12:04.4 -16:32:47 16.9 153 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
3.6 sigma about the mid-time.
The median site spacing is 14.3 km
RECON observability=0.8 and success probability=7.9%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Sleaford | 07:24:24 | -44.7 | Dark | Down | 20.0 | 163.1 | Low | 07:09:24 - 07:39:24 | 2609 |
| Kamloops | 07:25:04 | -45.0 | Dark | Down | 17.7 | 149.0 | Really Low | 07:10:04 - 07:40:04 | 2252 |
| Kelowna | 07:25:03 | -45.9 | Dark | Down | 18.7 | 149.7 | Really Low | 07:10:03 - 07:40:03 | 2227 |
| Peachland | 07:25:04 | -46.0 | Dark | Down | 18.7 | 149.4 | Really Low | 07:10:04 - 07:40:04 | 2215 |
| Summerland | 07:25:04 | -46.1 | Dark | Down | 18.8 | 149.5 | Really Low | 07:10:04 - 07:40:04 | 2209 |
| Penticton | 07:25:05 | -46.2 | Dark | Down | 18.9 | 149.6 | Really Low | 07:10:05 - 07:40:05 | 2207 |
| Oliver | 07:25:04 | -46.6 | Dark | Down | 19.2 | 149.5 | Really Low | 07:10:04 - 07:40:04 | 2188 |
| Anarchist Mountain Observatory | 07:25:04 | -46.8 | Dark | Down | 19.4 | 149.7 | Really Low | 07:10:04 - 07:40:04 | 2183 |
| Tonasket | 07:25:05 | -47.0 | Dark | Down | 19.7 | 149.5 | Really Low | 07:10:05 - 07:40:05 | 2163 |
| Okanogan | 07:25:06 | -47.3 | Dark | Down | 19.9 | 149.3 | Really Low | 07:10:06 - 07:40:06 | 2141 |
| Brewster | 07:25:07 | -47.6 | Dark | Down | 20.1 | 149.1 | Low | 07:10:07 - 07:40:07 | 2121 |
| Manson/Chelan | 07:25:08 | -47.7 | Dark | Down | 20.1 | 148.7 | Low | 07:10:08 - 07:40:08 | 2100 |
| Wenatchee | 07:25:10 | -48.1 | Dark | Down | 20.5 | 148.5 | Low | 07:10:10 - 07:40:10 | 2068 |
| Victoria | 07:25:16 | -46.4 | Dark | Down | 18.4 | 145.8 | Really Low | 07:10:16 - 07:40:16 | 2062 |
| Ellensburg | 07:25:11 | -48.5 | Dark | Down | 20.8 | 148.2 | Low | 07:10:11 - 07:40:11 | 2039 |
| Pasco | 07:25:08 | -49.5 | Dark | Down | 21.9 | 149.4 | Low | 07:10:08 - 07:40:08 | 2027 |
| PNWRO | 07:25:08 | -49.7 | Dark | Down | 22.2 | 149.6 | Low | 07:10:08 - 07:40:08 | 2017 |
| Yakima | 07:25:12 | -48.8 | Dark | Down | 21.1 | 148.1 | Low | 07:10:12 - 07:40:12 | 2014 |
| Toppenish/White Swan | 07:25:11 | -49.1 | Dark | Down | 21.3 | 148.2 | Low | 07:10:11 - 07:40:11 | 2005 |
| Dunrhomin | 07:24:27 | -56.4 | Dark | Down | 31.5 | 162.3 | Up | 07:09:27 - 07:39:27 | 1973 |
| Goldendale | 07:25:13 | -49.5 | Dark | Down | 21.7 | 147.7 | Low | 07:10:13 - 07:40:13 | 1961 |
| The Dalles | 07:25:14 | -49.6 | Dark | Down | 21.7 | 147.3 | Low | 07:10:14 - 07:40:14 | 1938 |
| Maupin | 07:25:15 | -50.1 | Dark | Down | 22.1 | 147.3 | Low | 07:10:15 - 07:40:15 | 1914 |
| Redmond | 07:25:16 | -50.9 | Dark | Down | 22.8 | 147.0 | Low | 07:10:16 - 07:40:16 | 1855 |
| Sisters | 07:25:18 | -50.8 | Dark | Down | 22.7 | 146.7 | Low | 07:10:18 - 07:40:18 | 1847 |
| Bend | 07:25:17 | -51.0 | Dark | Down | 23.0 | 146.8 | Low | 07:10:17 - 07:40:17 | 1838 |
| Oregon Observatory | 07:25:18 | -51.2 | Dark | Down | 23.1 | 146.7 | Low | 07:10:18 - 07:40:18 | 1824 |
| La Pine/Gilchrist | 07:25:18 | -51.4 | Dark | Down | 23.2 | 146.6 | Low | 07:10:18 - 07:40:18 | 1809 |
| North Lake | 07:25:17 | -51.9 | Dark | Down | 23.8 | 147.0 | Low | 07:10:17 - 07:40:17 | 1796 |
| Paisley | 07:25:16 | -52.5 | Dark | Down | 24.4 | 147.3 | Low | 07:10:16 - 07:40:16 | 1768 |
| Lakeview | 07:25:16 | -53.0 | Dark | Down | 24.9 | 147.3 | Low | 07:10:16 - 07:40:16 | 1739 |
| Chiloquin | 07:25:20 | -52.3 | Dark | Down | 24.0 | 146.0 | Low | 07:10:20 - 07:40:20 | 1727 |
| Klamath Falls | 07:25:21 | -52.6 | Dark | Down | 24.3 | 146.0 | Low | 07:10:21 - 07:40:21 | 1706 |
| Cedarville | 07:25:17 | -53.7 | Dark | Down | 25.5 | 147.3 | Low | 07:10:17 - 07:40:17 | 1700 |
| Fall River/Burney | 07:25:21 | -53.8 | Dark | Down | 25.4 | 146.0 | Low | 07:10:21 - 07:40:21 | 1635 |
| Susanville | 07:25:19 | -54.6 | Dark | Down | 26.3 | 146.6 | Low | 07:10:19 - 07:40:19 | 1611 |
| Gimple | 07:25:21 | -54.8 | Dark | Down | 26.4 | 146.3 | Low | 07:10:21 - 07:40:21 | 1586 |
| Greenville | 07:25:21 | -54.8 | Dark | Down | 26.4 | 146.2 | Low | 07:10:21 - 07:40:21 | 1584 |
| Portola | 07:25:19 | -55.2 | Dark | Down | 26.9 | 146.6 | Low | 07:10:19 - 07:40:19 | 1574 |
| Reno | 07:25:18 | -55.7 | Dark | Down | 27.4 | 147.1 | Low | 07:10:18 - 07:40:18 | 1572 |
| Quincy | 07:25:21 | -55.0 | Dark | Down | 26.6 | 146.2 | Low | 07:10:21 - 07:40:21 | 1570 |
| Yerington | 07:25:16 | -56.4 | Dark | Down | 28.1 | 147.6 | Low | 07:10:16 - 07:40:16 | 1550 |
| Carson City | 07:25:18 | -56.0 | Dark | Down | 27.7 | 147.1 | Low | 07:10:18 - 07:40:18 | 1547 |
| Tonopah | 07:25:11 | -57.7 | Dark | Down | 29.7 | 149.2 | Low | 07:10:11 - 07:40:11 | 1535 |
| Gardnerville | 07:25:18 | -56.2 | Dark | Down | 27.9 | 147.0 | Low | 07:10:18 - 07:40:18 | 1531 |
| Hawthorne | 07:25:15 | -56.9 | Dark | Down | 28.7 | 148.0 | Low | 07:10:15 - 07:40:15 | 1531 |
| Lee Vining | 07:25:17 | -57.3 | Dark | Down | 29.0 | 147.4 | Low | 07:10:17 - 07:40:17 | 1478 |
| Indian Springs | 07:25:06 | -59.5 | Dark | Down | 31.6 | 150.3 | Up | 07:10:06 - 07:40:06 | 1467 |
| Beatty | 07:25:10 | -58.9 | Dark | Down | 30.9 | 149.4 | Up | 07:10:10 - 07:40:10 | 1463 |
| Bishop | 07:25:15 | -58.1 | Dark | Down | 29.8 | 147.9 | Low | 07:10:15 - 07:40:15 | 1453 |
| Henderson | 07:25:04 | -60.1 | Dark | Down | 32.3 | 150.9 | Up | 07:10:04 - 07:40:04 | 1446 |
| Patrick | 07:25:01 | -60.9 | Dark | Down | 33.3 | 151.8 | Up | 07:10:01 - 07:40:01 | 1429 |
| Kingman/Dolan Springs | 07:25:02 | -61.1 | Dark | Down | 33.4 | 151.6 | Up | 07:10:02 - 07:40:02 | 1408 |
| Laughlin/Bullhead City | 07:25:03 | -61.0 | Dark | Down | 33.2 | 151.0 | Up | 07:10:03 - 07:40:03 | 1392 |
| Mohave Valley | 07:25:03 | -61.3 | Dark | Down | 33.5 | 151.0 | Up | 07:10:03 - 07:40:03 | 1372 |
| George/Scottsdale | 07:24:54 | -62.9 | Dark | Down | 35.5 | 153.4 | Up | 07:09:54 - 07:39:54 | 1355 |
| Lake Havasu City | 07:25:03 | -61.7 | Dark | Down | 33.9 | 151.1 | Up | 07:10:03 - 07:40:03 | 1348 |
| Parker | 07:25:03 | -62.1 | Dark | Down | 34.2 | 151.0 | Up | 07:10:03 - 07:40:03 | 1323 |
| Blythe | 07:25:04 | -62.6 | Dark | Down | 34.6 | 150.5 | Up | 07:10:04 - 07:40:04 | 1275 |
| CPSLO | 07:25:25 | -59.3 | Dark | Down | 30.5 | 145.0 | Up | 07:10:25 - 07:40:25 | 1238 |
| Idyllwild | 07:25:12 | -62.0 | Dark | Down | 33.6 | 148.4 | Up | 07:10:12 - 07:40:12 | 1227 |
| Calipatria | 07:25:08 | -62.8 | Dark | Down | 34.6 | 149.4 | Up | 07:10:08 - 07:40:08 | 1212 |
| Yuma | 07:25:05 | -63.4 | Dark | Down | 35.4 | 150.2 | Up | 07:10:05 - 07:40:05 | 1202 |
| Wildwood | 07:25:19 | -61.1 | Dark | Down | 32.5 | 146.6 | Up | 07:10:19 - 07:40:19 | 1202 |
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 13FG28, (2022/03/03 07:23UT) Object RA Dec mag sep mel Spica 13:25:11.5 -11:09:41 1.0 18.77 146 4Gam Crv 12:15:48.1 -17:32:30 2.6 1.61 152 PPM 225621 12:17:03.3 -16:41:38 6.3 1.49 153 PPM 225450 12:10:03.4 -16:30:31 8.4 0.23 154 PPM 225463 12:10:29.0 -16:22:21 9.7 0.12 154 13FG28 12:10:55.8 -16:25:24 16.9 154 Positions are for J2000
Event circumstances last updated at 2021/12/04 02:04:23 UT
Marc W. Buie, Southwest Research Institute