Event between 10RN64 and star GA0860:00162805 with event index number of 1465651
Geocentric closest approach at 2025/10/20 07:44:35 UTC
J2000 position of star is 02:00:51.5 -02:21:08
Equinox of date position of star is 02:01:50.1 -02:15:35
Stellar brightness G=14.4,
use SENSEUP=64
Star is 159 degrees from the moon.
Moon is 1% illuminated.
TNO apparent brightness V=21.7
[RECON map]
TNO is 40.2 AU from the Sun
and 39.2 AU from the Earth.
The TNO is moving 25.4
km/sec on the sky relative to the star, or,
3.2 arcsec/hr.
The 1-sigma error in the time of the event is 118 seconds.
The 1-sigma cross-track error in the shadow position is
2450 km.
The sky-plane scale is
28461.4 km/arcsec.
The TNO has an absolute magnitude Hv=5.7
Diameter=442.6 km assuming a 5% albedo -- 17.4 sec chord
Diameter=180.7 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is SCATEXTD
Star training set for 10RN64, (2025/10/20 07:45UT) Object RA Dec mag sep mel Aldebaran 04:37:24.2 +16:33:34 0.8 42.67 124 68Omi Cet 02:20:39.1 -02:51:41 2.0 4.66 155 PPM 184185 02:04:58.6 -03:58:51 5.4 1.89 158 PPM 184135 02:02:22.9 -02:22:16 8.2 0.15 159 10RN64 02:02:10.2 -02:13:42 14.4 159 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 15.3 km
RECON observability=1.0 and success probability=12.1%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 07:43:49 | -50.6 | Dark | Down | 37.6 | 174.2 | Up | 07:33:27 - 07:54:11 | 3379 |
| Summerland | 07:43:50 | -50.9 | Dark | Down | 37.9 | 173.8 | Up | 07:33:28 - 07:54:12 | 3366 |
| Penticton | 07:43:50 | -50.9 | Dark | Down | 37.9 | 173.9 | Up | 07:33:28 - 07:54:12 | 3359 |
| Okanagan Falls | 07:43:50 | -51.1 | Dark | Down | 38.1 | 173.9 | Up | 07:33:28 - 07:54:12 | 3348 |
| Oliver | 07:43:50 | -51.3 | Dark | Down | 38.3 | 173.9 | Up | 07:33:28 - 07:54:12 | 3337 |
| Anarchist Mountain Observatory | 07:43:50 | -51.5 | Dark | Down | 38.5 | 174.1 | Up | 07:33:28 - 07:54:12 | 3322 |
| Oroville | 07:43:50 | -51.5 | Dark | Down | 38.6 | 174.0 | Up | 07:33:28 - 07:54:12 | 3319 |
| Tonasket | 07:43:50 | -51.8 | Dark | Down | 38.8 | 174.0 | Up | 07:33:28 - 07:54:12 | 3303 |
| Okanogan | 07:43:51 | -52.1 | Dark | Down | 39.1 | 173.8 | Up | 07:33:29 - 07:54:13 | 3285 |
| Brewster | 07:43:52 | -52.4 | Dark | Down | 39.4 | 173.5 | Up | 07:33:30 - 07:54:14 | 3272 |
| Manson/Chelan | 07:43:53 | -52.6 | Dark | Down | 39.5 | 173.0 | Up | 07:33:31 - 07:54:15 | 3266 |
| Entiat | 07:43:54 | -52.8 | Dark | Down | 39.8 | 172.9 | Up | 07:33:32 - 07:54:16 | 3253 |
| Wenatchee | 07:43:54 | -53.1 | Dark | Down | 40.0 | 172.8 | Up | 07:33:32 - 07:54:16 | 3239 |
| Ellensburg | 07:43:55 | -53.5 | Dark | Down | 40.4 | 172.4 | Up | 07:33:33 - 07:54:17 | 3216 |
| Yakima | 07:43:56 | -53.9 | Dark | Down | 40.8 | 172.4 | Up | 07:33:34 - 07:54:18 | 3190 |
| Toppenish/White Swan | 07:43:56 | -54.1 | Dark | Down | 41.0 | 172.6 | Up | 07:33:34 - 07:54:18 | 3171 |
| Goldendale | 07:43:57 | -54.6 | Dark | Down | 41.5 | 172.0 | Up | 07:33:35 - 07:54:19 | 3143 |
| The Dalles | 07:43:59 | -54.9 | Dark | Down | 41.7 | 171.4 | Up | 07:33:37 - 07:54:21 | 3136 |
| Pasco | 07:43:52 | -54.2 | Dark | Down | 41.2 | 174.2 | Up | 07:33:30 - 07:54:14 | 3134 |
| George/Umatilla | 07:43:53 | -54.5 | Dark | Down | 41.6 | 173.9 | Up | 07:33:31 - 07:54:15 | 3116 |
| PNWRO | 07:43:52 | -54.5 | Dark | Down | 41.5 | 174.5 | Up | 07:33:30 - 07:54:14 | 3111 |
| Maupin | 07:43:59 | -55.3 | Dark | Down | 42.1 | 171.5 | Up | 07:33:37 - 07:54:21 | 3105 |
| Madras/Culver | 07:44:00 | -55.8 | Dark | Down | 42.7 | 171.4 | Up | 07:33:38 - 07:54:22 | 3068 |
| Sisters | 07:44:02 | -56.1 | Dark | Down | 43.0 | 170.8 | Up | 07:33:40 - 07:54:24 | 3056 |
| Redmond | 07:44:00 | -56.2 | Dark | Down | 43.0 | 171.3 | Up | 07:33:38 - 07:54:22 | 3044 |
| Bend | 07:44:01 | -56.4 | Dark | Down | 43.2 | 171.1 | Up | 07:33:39 - 07:54:23 | 3033 |
| Oregon Observatory | 07:44:02 | -56.6 | Dark | Down | 43.4 | 170.9 | Up | 07:33:40 - 07:54:24 | 3024 |
| La Pine/Gilchrist | 07:44:02 | -56.8 | Dark | Down | 43.6 | 170.8 | Up | 07:33:40 - 07:54:24 | 3010 |
| North Lake | 07:44:01 | -57.2 | Dark | Down | 44.1 | 171.5 | Up | 07:33:39 - 07:54:23 | 2965 |
| Chiloquin | 07:44:05 | -57.8 | Dark | Down | 44.6 | 170.1 | Up | 07:33:43 - 07:54:27 | 2939 |
| Paisley | 07:44:01 | -57.8 | Dark | Down | 44.7 | 171.9 | Up | 07:33:39 - 07:54:23 | 2917 |
| Klamath Falls | 07:44:05 | -58.2 | Dark | Down | 45.0 | 170.2 | Up | 07:33:43 - 07:54:27 | 2913 |
| Tulelake | 07:44:04 | -58.5 | Dark | Down | 45.3 | 170.5 | Up | 07:33:42 - 07:54:26 | 2886 |
| Lakeview | 07:44:01 | -58.3 | Dark | Down | 45.2 | 172.1 | Up | 07:33:39 - 07:54:23 | 2875 |
| Cedarville | 07:44:01 | -58.9 | Dark | Down | 45.8 | 172.3 | Up | 07:33:39 - 07:54:23 | 2822 |
| Fall River/Burney | 07:44:05 | -59.4 | Dark | Down | 46.2 | 170.5 | Up | 07:33:43 - 07:54:27 | 2816 |
| Susanville | 07:44:04 | -60.0 | Dark | Down | 46.9 | 171.5 | Up | 07:33:42 - 07:54:26 | 2751 |
| Greenville | 07:44:05 | -60.3 | Dark | Down | 47.1 | 171.0 | Up | 07:33:43 - 07:54:27 | 2737 |
| Gimple | 07:44:05 | -60.3 | Dark | Down | 47.2 | 171.1 | Up | 07:33:43 - 07:54:27 | 2735 |
| Quincy | 07:44:05 | -60.5 | Dark | Down | 47.3 | 171.0 | Up | 07:33:43 - 07:54:27 | 2722 |
| Portola | 07:44:04 | -60.7 | Dark | Down | 47.5 | 171.6 | Up | 07:33:42 - 07:54:26 | 2700 |
| Reno | 07:44:02 | -60.9 | Dark | Down | 47.9 | 172.5 | Up | 07:33:40 - 07:54:24 | 2663 |
| Carson City | 07:44:03 | -61.3 | Dark | Down | 48.2 | 172.5 | Up | 07:33:41 - 07:54:25 | 2635 |
| Gardnerville | 07:44:03 | -61.5 | Dark | Down | 48.5 | 172.6 | Up | 07:33:41 - 07:54:25 | 2615 |
| Yerington | 07:44:01 | -61.5 | Dark | Down | 48.5 | 173.4 | Up | 07:33:39 - 07:54:23 | 2603 |
| Hawthorne | 07:44:00 | -61.9 | Dark | Down | 49.0 | 174.2 | Up | 07:33:38 - 07:54:22 | 2553 |
| Lee Vining | 07:44:02 | -62.5 | Dark | Down | 49.5 | 173.4 | Up | 07:33:40 - 07:54:24 | 2521 |
| Tonopah | 07:43:55 | -62.3 | Dark | Down | 49.5 | 176.3 | Up | 07:33:33 - 07:54:17 | 2479 |
| Bishop | 07:44:00 | -63.1 | Dark | Down | 50.1 | 174.4 | Up | 07:33:38 - 07:54:22 | 2455 |
| Lone Pine | 07:44:00 | -63.8 | Dark | Down | 50.9 | 174.8 | Up | 07:33:38 - 07:54:22 | 2384 |
| Beatty | 07:43:55 | -63.4 | Dark | Down | 50.7 | 176.9 | Up | 07:33:33 - 07:54:17 | 2374 |
| CPSLO | 07:44:10 | -65.2 | Dark | Down | 52.0 | 170.6 | Up | 07:33:48 - 07:54:32 | 2348 |
| Niwot | 07:43:15 | -57.7 | Dark | Down | 46.7 | 193.8 | Up | 07:32:53 - 07:53:37 | 2329 |
| SwRI | 07:43:16 | -57.8 | Dark | Down | 46.8 | 193.7 | Up | 07:32:54 - 07:53:38 | 2323 |
| Indian Springs | 07:43:52 | -63.6 | Dark | Down | 51.1 | 178.6 | Up | 07:33:30 - 07:54:14 | 2318 |
| Henderson | 07:43:50 | -64.1 | Dark | Down | 51.6 | 179.7 | Up | 07:33:28 - 07:54:12 | 2255 |
| Searchlight/Boulder City | 07:43:51 | -64.6 | Dark | Down | 52.2 | 179.8 | Up | 07:33:29 - 07:54:13 | 2206 |
| Wildwood | 07:44:05 | -66.3 | Dark | Down | 53.4 | 173.7 | Up | 07:33:43 - 07:54:27 | 2192 |
| Patrick | 07:43:47 | -64.5 | Dark | Down | 52.2 | 181.5 | Up | 07:33:25 - 07:54:09 | 2172 |
| Laughlin/Bullhead City | 07:43:50 | -64.9 | Dark | Down | 52.5 | 180.3 | Up | 07:33:28 - 07:54:12 | 2171 |
| Kingman/Dolan Springs | 07:43:48 | -64.7 | Dark | Down | 52.5 | 181.2 | Up | 07:33:26 - 07:54:10 | 2159 |
| Mohave Valley | 07:43:50 | -65.1 | Dark | Down | 52.8 | 180.3 | Up | 07:33:28 - 07:54:12 | 2148 |
| DCO | 07:43:45 | -64.6 | Dark | Down | 52.5 | 182.6 | Up | 07:33:23 - 07:54:07 | 2127 |
| Idyllwild | 07:43:59 | -66.6 | Dark | Down | 53.9 | 176.8 | Up | 07:33:37 - 07:54:21 | 2109 |
| Lake Havasu City | 07:43:50 | -65.5 | Dark | Down | 53.2 | 180.8 | Up | 07:33:28 - 07:54:12 | 2107 |
| Parker | 07:43:50 | -65.8 | Dark | Down | 53.5 | 180.8 | Up | 07:33:28 - 07:54:12 | 2077 |
| Blythe | 07:43:52 | -66.4 | Dark | Down | 54.0 | 180.3 | Up | 07:33:30 - 07:54:14 | 2040 |
| Calipatria | 07:43:55 | -67.0 | Dark | Down | 54.5 | 178.7 | Up | 07:33:33 - 07:54:17 | 2024 |
| Yuma | 07:43:53 | -67.3 | Dark | Down | 55.0 | 180.3 | Up | 07:33:31 - 07:54:15 | 1962 |
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 10RN64, (2025/10/20 07:45UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 42.67 124 68Omi Cet 02:19:20.8 -02:58:45 2.0 4.66 155 PPM 184185 02:03:40.5 -04:06:14 5.4 1.89 158 PPM 184135 02:01:04.3 -02:29:42 8.2 0.15 159 10RN64 02:00:51.5 -02:21:08 14.4 159 Positions are for J2000
Event circumstances last updated at 2019/03/23 22:46:03 UT
Marc W. Buie, Southwest Research Institute