Event between 13RG98 and star GA0680:00525536 with event index number of 2070969
Geocentric closest approach at 2023/01/25 06:49:30 UTC
J2000 position of star is 05:33:48.6 -20:33:44
Equinox of date position of star is 05:34:45.0 -20:32:54
Stellar brightness G=16.7,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 87 degrees from the moon.
Moon is 17% illuminated.
TNO apparent brightness V=22.4
[RECON map]
TNO is 20.8 AU from the Sun
and 20.2 AU from the Earth.
The TNO is moving 22.7
km/sec on the sky relative to the star, or,
5.6 arcsec/hr.
The 1-sigma error in the time of the event is 65 seconds.
The 1-sigma cross-track error in the shadow position is
1301 km.
The sky-plane scale is
14686.2 km/arcsec.
The TNO has an absolute magnitude Hv=9.0
Diameter=94.2 km assuming a 5% albedo -- 4.2 sec chord
Diameter=38.5 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
Star training set for 13RG98, (2023/01/25 06:51UT) Object RA Dec mag sep mel Rigel 05:15:38.9 -08:10:36 0.1 13.21 83 Nihal 05:29:14.1 -20:44:33 2.8 1.32 85 10 Lep 05:32:06.9 -20:50:53 5.4 0.70 86 PPM 249094 05:35:56.8 -21:03:14 7.4 0.57 87 PPM 249068 05:34:54.8 -20:37:46 8.9 0.09 87 13RG98 05:34:48.0 -20:32:52 16.7 87 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 3.4 km
RECON observability=0.7 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) |
| Sleaford | 06:51:04 | -56.6 | Dark | Down | 10.3 | 215.6 | Really Low | 06:45:09 - 06:56:59 | 8971 |
| Dunrhomin | 06:50:25 | -68.2 | Dark | Down | 19.5 | 218.0 | Really Low | 06:44:30 - 06:56:20 | 8949 |
| George/Scottsdale | 06:50:23 | -71.7 | Dark | Down | 27.9 | 213.7 | Low | 06:44:28 - 06:56:18 | 8567 |
| Kelowna | 06:51:27 | -55.4 | Dark | Down | 16.4 | 203.6 | Really Low | 06:45:32 - 06:57:22 | 8548 |
| Anarchist Mountain Observatory | 06:51:25 | -56.1 | Dark | Down | 17.1 | 203.8 | Really Low | 06:45:30 - 06:57:20 | 8547 |
| Penticton | 06:51:29 | -55.6 | Dark | Down | 16.7 | 203.6 | Really Low | 06:45:34 - 06:57:24 | 8543 |
| Tonasket | 06:51:24 | -56.4 | Dark | Down | 17.4 | 203.8 | Really Low | 06:45:29 - 06:57:19 | 8541 |
| Oliver | 06:51:26 | -55.9 | Dark | Down | 17.0 | 203.6 | Really Low | 06:45:31 - 06:57:21 | 8540 |
| Summerland | 06:51:28 | -55.5 | Dark | Down | 16.7 | 203.5 | Really Low | 06:45:33 - 06:57:23 | 8539 |
| Peachland | 06:51:29 | -55.4 | Dark | Down | 16.5 | 203.4 | Really Low | 06:45:34 - 06:57:24 | 8537 |
| PNWRO | 06:51:16 | -58.7 | Dark | Down | 19.7 | 204.7 | Really Low | 06:45:21 - 06:57:11 | 8534 |
| Okanogan | 06:51:25 | -56.6 | Dark | Down | 17.8 | 203.7 | Really Low | 06:45:30 - 06:57:20 | 8532 |
| Patrick | 06:50:34 | -69.3 | Dark | Down | 27.4 | 211.4 | Low | 06:44:39 - 06:56:29 | 8531 |
| Pasco | 06:51:19 | -58.5 | Dark | Down | 19.6 | 204.4 | Really Low | 06:45:24 - 06:57:14 | 8528 |
| Brewster | 06:51:23 | -56.7 | Dark | Down | 18.1 | 203.6 | Really Low | 06:45:28 - 06:57:18 | 8522 |
| Kamloops | 06:51:32 | -54.4 | Dark | Down | 15.8 | 202.7 | Really Low | 06:45:37 - 06:57:27 | 8520 |
| Kingman/Dolan Springs | 06:50:36 | -69.4 | Dark | Down | 27.6 | 211.3 | Low | 06:44:41 - 06:56:31 | 8517 |
| Manson/Chelan | 06:51:24 | -56.7 | Dark | Down | 18.4 | 203.2 | Really Low | 06:45:29 - 06:57:19 | 8506 |
| Henderson | 06:50:39 | -68.3 | Dark | Down | 27.3 | 210.2 | Low | 06:44:44 - 06:56:34 | 8501 |
| Wenatchee | 06:51:24 | -57.0 | Dark | Down | 18.8 | 203.1 | Really Low | 06:45:29 - 06:57:19 | 8494 |
| Laughlin/Bullhead City | 06:50:36 | -69.1 | Dark | Down | 27.9 | 210.8 | Low | 06:44:41 - 06:56:31 | 8494 |
| Mohave Valley | 06:50:35 | -69.3 | Dark | Down | 28.1 | 210.9 | Low | 06:44:40 - 06:56:30 | 8487 |
| Lake Havasu City | 06:50:33 | -69.7 | Dark | Down | 28.3 | 211.3 | Low | 06:44:38 - 06:56:28 | 8486 |
| Indian Springs | 06:50:43 | -67.5 | Dark | Down | 27.1 | 209.5 | Low | 06:44:48 - 06:56:38 | 8486 |
| Ellensburg | 06:51:24 | -57.3 | Dark | Down | 19.3 | 203.0 | Really Low | 06:45:29 - 06:57:19 | 8481 |
| Toppenish/White Swan | 06:51:22 | -57.8 | Dark | Down | 19.8 | 203.2 | Really Low | 06:45:27 - 06:57:17 | 8479 |
| Parker | 06:50:31 | -70.0 | Dark | Down | 28.6 | 211.4 | Low | 06:44:36 - 06:56:26 | 8477 |
| Yakima | 06:51:23 | -57.6 | Dark | Down | 19.7 | 203.0 | Really Low | 06:45:28 - 06:57:18 | 8475 |
| Tonopah | 06:50:51 | -65.6 | Dark | Down | 26.4 | 207.7 | Low | 06:44:56 - 06:56:46 | 8458 |
| Goldendale | 06:51:23 | -58.1 | Dark | Down | 20.4 | 202.9 | Low | 06:45:28 - 06:57:18 | 8455 |
| Blythe | 06:50:31 | -70.2 | Dark | Down | 29.2 | 211.2 | Low | 06:44:36 - 06:56:26 | 8448 |
| Beatty | 06:50:47 | -66.7 | Dark | Down | 27.2 | 208.4 | Low | 06:44:52 - 06:56:42 | 8448 |
| The Dalles | 06:51:23 | -58.1 | Dark | Down | 20.7 | 202.6 | Low | 06:45:28 - 06:57:18 | 8437 |
| Maupin | 06:51:20 | -58.4 | Dark | Down | 21.1 | 202.7 | Low | 06:45:25 - 06:57:15 | 8435 |
| Yuma | 06:50:28 | -70.8 | Dark | Down | 30.0 | 211.5 | Up | 06:44:33 - 06:56:23 | 8418 |
| Redmond | 06:51:18 | -59.1 | Dark | Down | 22.0 | 202.8 | Low | 06:45:23 - 06:57:13 | 8417 |
| Paisley | 06:51:13 | -60.5 | Dark | Down | 23.2 | 203.6 | Low | 06:45:18 - 06:57:08 | 8416 |
| Lakeview | 06:51:13 | -61.0 | Dark | Down | 23.7 | 203.9 | Low | 06:45:18 - 06:57:08 | 8414 |
| North Lake | 06:51:15 | -59.9 | Dark | Down | 22.8 | 203.2 | Low | 06:45:20 - 06:57:10 | 8411 |
| Cedarville | 06:51:10 | -61.6 | Dark | Down | 24.2 | 204.2 | Low | 06:45:15 - 06:57:05 | 8409 |
| Hawthorne | 06:50:57 | -64.5 | Dark | Down | 26.4 | 206.2 | Low | 06:45:02 - 06:56:52 | 8408 |
| Bend | 06:51:20 | -59.2 | Dark | Down | 22.2 | 202.7 | Low | 06:45:25 - 06:57:15 | 8408 |
| Sisters | 06:51:21 | -58.9 | Dark | Down | 22.1 | 202.4 | Low | 06:45:26 - 06:57:16 | 8401 |
| Oregon Observatory | 06:51:18 | -59.2 | Dark | Down | 22.4 | 202.6 | Low | 06:45:23 - 06:57:13 | 8399 |
| Yerington | 06:50:59 | -63.9 | Dark | Down | 26.2 | 205.6 | Low | 06:45:04 - 06:56:54 | 8396 |
| La Pine/Gilchrist | 06:51:18 | -59.3 | Dark | Down | 22.6 | 202.5 | Low | 06:45:23 - 06:57:13 | 8393 |
| Calipatria | 06:50:33 | -70.0 | Dark | Down | 30.0 | 210.5 | Up | 06:44:38 - 06:56:28 | 8392 |
| Bishop | 06:50:53 | -65.4 | Dark | Down | 27.4 | 206.7 | Low | 06:44:58 - 06:56:48 | 8389 |
| Victoria | 06:51:35 | -54.9 | Dark | Down | 18.6 | 200.1 | Really Low | 06:45:40 - 06:57:30 | 8385 |
| Reno | 06:51:03 | -63.1 | Dark | Down | 25.9 | 204.9 | Low | 06:45:08 - 06:56:58 | 8380 |
| Carson City | 06:51:03 | -63.4 | Dark | Down | 26.2 | 205.0 | Low | 06:45:08 - 06:56:58 | 8373 |
| Lee Vining | 06:50:57 | -64.6 | Dark | Down | 27.1 | 205.9 | Low | 06:45:02 - 06:56:52 | 8373 |
| Gardnerville | 06:51:01 | -63.6 | Dark | Down | 26.4 | 205.0 | Low | 06:45:06 - 06:56:56 | 8369 |
| Susanville | 06:51:08 | -62.1 | Dark | Down | 25.4 | 203.9 | Low | 06:45:13 - 06:57:03 | 8364 |
| Idyllwild | 06:50:38 | -68.8 | Dark | Down | 30.0 | 209.2 | Low | 06:44:43 - 06:56:33 | 8360 |
| Portola | 06:51:07 | -62.6 | Dark | Down | 25.9 | 204.2 | Low | 06:45:12 - 06:57:02 | 8358 |
| Chiloquin | 06:51:17 | -60.0 | Dark | Down | 23.7 | 202.4 | Low | 06:45:22 - 06:57:12 | 8357 |
| Klamath Falls | 06:51:15 | -60.2 | Dark | Down | 24.0 | 202.5 | Low | 06:45:20 - 06:57:10 | 8353 |
| Gimple | 06:51:07 | -62.2 | Dark | Down | 25.7 | 203.7 | Low | 06:45:12 - 06:57:02 | 8348 |
| Fall River/Burney | 06:51:11 | -61.2 | Dark | Down | 25.0 | 203.1 | Low | 06:45:16 - 06:57:06 | 8345 |
| Greenville | 06:51:08 | -62.1 | Dark | Down | 25.7 | 203.7 | Low | 06:45:13 - 06:57:03 | 8344 |
| Quincy | 06:51:07 | -62.2 | Dark | Down | 25.9 | 203.7 | Low | 06:45:12 - 06:57:02 | 8339 |
| Wildwood | 06:50:45 | -67.4 | Dark | Down | 30.4 | 207.3 | Up | 06:44:50 - 06:56:40 | 8284 |
| CPSLO | 06:50:54 | -65.3 | Dark | Down | 30.0 | 204.9 | Up | 06:44:59 - 06:56:49 | 8225 |
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 13RG98, (2023/01/25 06:51UT) Object RA Dec mag sep mel Rigel 05:14:32.3 -08:12:06 0.1 13.21 83 Nihal 05:28:14.7 -20:45:36 2.8 1.32 85 10 Lep 05:31:07.6 -20:51:50 5.4 0.70 86 PPM 249094 05:34:57.7 -21:04:04 7.4 0.57 87 PPM 249068 05:33:55.4 -20:38:37 8.9 0.09 87 13RG98 05:33:48.6 -20:33:44 16.7 86 Positions are for J2000
Event circumstances last updated at 2021/11/25 00:23:43 UT
Marc W. Buie, Southwest Research Institute