Event between 10TL182 and star GA1020:00236596 with event index number of 1812131
Geocentric closest approach at 2027/12/22 08:23:25 UTC
J2000 position of star is 02:36:20.9 +13:39:05
Equinox of date position of star is 02:37:29.0 +13:44:27
Stellar brightness G=15.0,
use SENSEUP=128
Star is 163 degrees from the moon.
Moon is 29% illuminated.
TNO apparent brightness V=26.2
[RECON map]
TNO is 41.3 AU from the Sun
and 40.6 AU from the Earth.
The TNO is moving 15.1
km/sec on the sky relative to the star, or,
1.8 arcsec/hr.
The 1-sigma error in the time of the event is 454 seconds.
The 1-sigma cross-track error in the shadow position is
2932 km.
The sky-plane scale is
29445.2 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=300.6 km assuming a 5% albedo -- 4.0 sec chord
Diameter=122.7 km assuming a 30% albedo -- 1.6 sec chord
Dynamical classification is CLASSICAL
Star training set for 10TL182, (2027/12/22 08:23UT) Object RA Dec mag sep mel Aldebaran 04:37:31.7 +16:33:49 0.8 28.98 134 Menkar 03:03:44.7 +04:11:52 2.5 11.50 154 31 Ari 02:38:09.6 +12:34:03 6.1 1.21 163 PPM 118376 02:37:51.4 +13:47:19 8.2 0.02 163 10TL182 02:37:52.7 +13:46:19 15.0 162 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 24.5 km
RECON observability=1.0 and success probability=17.0%
| 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 | 08:18:33 | -62.8 | Dark | Down | 31.4 | 252.5 | Up | 08:03:33 - 08:33:33 | 534 |
| Kelowna | 08:18:32 | -63.2 | Dark | Down | 31.6 | 252.6 | Up | 08:03:32 - 08:33:32 | 496 |
| Peachland | 08:18:33 | -63.4 | Dark | Down | 31.8 | 252.4 | Up | 08:03:33 - 08:33:33 | 484 |
| Summerland | 08:18:32 | -63.5 | Dark | Down | 31.8 | 252.5 | Up | 08:03:32 - 08:33:32 | 470 |
| Penticton | 08:18:32 | -63.6 | Dark | Down | 31.7 | 252.7 | Up | 08:03:32 - 08:33:32 | 464 |
| Oliver | 08:18:31 | -63.9 | Dark | Down | 31.9 | 252.9 | Up | 08:03:31 - 08:33:31 | 430 |
| Anarchist Mountain Observatory | 08:18:30 | -64.0 | Dark | Down | 31.8 | 253.2 | Up | 08:03:30 - 08:33:30 | 414 |
| Tonasket | 08:18:29 | -64.4 | Dark | Down | 31.9 | 253.3 | Up | 08:03:29 - 08:33:29 | 383 |
| Victoria | 08:18:40 | -64.9 | Dark | Down | 34.4 | 249.9 | Up | 08:03:40 - 08:33:40 | 356 |
| Okanogan | 08:18:28 | -64.7 | Dark | Down | 32.1 | 253.3 | Up | 08:03:28 - 08:33:28 | 350 |
| Brewster | 08:18:28 | -65.0 | Dark | Down | 32.3 | 253.3 | Up | 08:03:28 - 08:33:28 | 322 |
| Manson/Chelan | 08:18:29 | -65.2 | Dark | Down | 32.6 | 253.1 | Up | 08:03:29 - 08:33:29 | 301 |
| Entiat | 08:18:28 | -65.5 | Dark | Down | 32.7 | 253.2 | Up | 08:03:28 - 08:33:28 | 279 |
| Wenatchee | 08:18:28 | -65.7 | Dark | Down | 32.9 | 253.3 | Up | 08:03:28 - 08:33:28 | 253 |
| Ellensburg | 08:18:28 | -66.2 | Dark | Down | 33.1 | 253.3 | Up | 08:03:28 - 08:33:28 | 212 |
| Yakima | 08:18:26 | -66.6 | Dark | Down | 33.3 | 253.6 | Up | 08:03:26 - 08:33:26 | 171 |
| Toppenish/White Swan | 08:18:25 | -66.8 | Dark | Down | 33.2 | 253.9 | Up | 08:03:25 - 08:33:25 | 150 |
| Pasco | 08:18:21 | -66.7 | Dark | Down | 32.4 | 255.0 | Up | 08:03:21 - 08:33:21 | 142 |
| PNWRO | 08:18:20 | -66.9 | Dark | Down | 32.3 | 255.3 | Up | 08:03:20 - 08:33:20 | 118 |
| Goldendale | 08:18:25 | -67.4 | Dark | Down | 33.7 | 253.8 | Up | 08:03:25 - 08:33:25 | 93 |
| The Dalles | 08:18:26 | -67.6 | Dark | Down | 34.0 | 253.7 | Up | 08:03:26 - 08:33:26 | 70 |
| Maupin | 08:18:24 | -68.0 | Dark | Down | 34.0 | 254.0 | Up | 08:03:24 - 08:33:24 | 28 |
| Sisters | 08:18:24 | -69.0 | Dark | Down | 34.6 | 254.2 | Up | 08:03:24 - 08:33:24 | -62 |
| Redmond | 08:18:22 | -68.9 | Dark | Down | 34.3 | 254.5 | Up | 08:03:22 - 08:33:22 | -64 |
| Bend | 08:18:22 | -69.2 | Dark | Down | 34.5 | 254.6 | Up | 08:03:22 - 08:33:22 | -86 |
| Oregon Observatory | 08:18:22 | -69.3 | Dark | Down | 34.6 | 254.6 | Up | 08:03:22 - 08:33:22 | -104 |
| La Pine/Gilchrist | 08:18:22 | -69.6 | Dark | Down | 34.7 | 254.7 | Up | 08:03:22 - 08:33:22 | -125 |
| North Lake | 08:18:19 | -69.9 | Dark | Down | 34.4 | 255.4 | Up | 08:03:19 - 08:33:19 | -168 |
| Paisley | 08:18:16 | -70.4 | Dark | Down | 34.3 | 256.1 | Up | 08:03:16 - 08:33:16 | -223 |
| Lakeview | 08:18:15 | -70.9 | Dark | Down | 34.3 | 256.6 | Up | 08:03:15 - 08:33:15 | -275 |
| Klamath Falls | 08:18:19 | -71.0 | Dark | Down | 35.3 | 255.4 | Up | 08:03:19 - 08:33:19 | -275 |
| Cedarville | 08:18:13 | -71.5 | Dark | Down | 34.3 | 257.1 | Up | 08:03:13 - 08:33:13 | -342 |
| Niwot | 08:17:28 | -66.5 | Dark | Down | 23.4 | 268.4 | Low | 08:02:28 - 08:32:28 | -384 |
| SwRI | 08:17:28 | -66.7 | Dark | Down | 23.4 | 268.4 | Low | 08:02:28 - 08:32:28 | -396 |
| Fall River/Burney | 08:18:16 | -72.1 | Dark | Down | 35.3 | 256.5 | Up | 08:03:16 - 08:33:16 | -396 |
| Susanville | 08:18:12 | -72.6 | Dark | Down | 34.9 | 257.5 | Up | 08:03:12 - 08:33:12 | -460 |
| Gimple | 08:18:12 | -72.9 | Dark | Down | 35.1 | 257.5 | Up | 08:03:12 - 08:33:12 | -489 |
| Greenville | 08:18:12 | -73.0 | Dark | Down | 35.2 | 257.5 | Up | 08:03:12 - 08:33:12 | -489 |
| Quincy | 08:18:12 | -73.2 | Dark | Down | 35.2 | 257.6 | Up | 08:03:12 - 08:33:12 | -510 |
| Portola | 08:18:10 | -73.2 | Dark | Down | 34.9 | 258.1 | Up | 08:03:10 - 08:33:10 | -522 |
| Reno | 08:18:07 | -73.3 | Dark | Down | 34.5 | 258.7 | Up | 08:03:07 - 08:33:07 | -548 |
| Carson City | 08:18:06 | -73.7 | Dark | Down | 34.5 | 259.0 | Up | 08:03:06 - 08:33:06 | -585 |
| Yerington | 08:18:04 | -73.7 | Dark | Down | 34.1 | 259.6 | Up | 08:03:04 - 08:33:04 | -604 |
| Gardnerville | 08:18:05 | -73.9 | Dark | Down | 34.5 | 259.2 | Up | 08:03:05 - 08:33:05 | -611 |
| Hawthorne | 08:18:01 | -74.0 | Dark | Down | 33.8 | 260.2 | Up | 08:03:01 - 08:33:01 | -650 |
| Tonopah | 08:17:55 | -74.0 | Dark | Down | 32.8 | 261.5 | Up | 08:02:55 - 08:32:55 | -693 |
| Lee Vining | 08:18:02 | -74.7 | Dark | Down | 34.3 | 260.3 | Up | 08:03:02 - 08:33:02 | -712 |
| Bishop | 08:17:58 | -75.0 | Dark | Down | 33.8 | 261.2 | Up | 08:02:58 - 08:32:58 | -772 |
| Beatty | 08:17:51 | -74.8 | Dark | Down | 32.6 | 262.5 | Up | 08:02:51 - 08:32:51 | -814 |
| Indian Springs | 08:17:48 | -74.7 | Dark | Down | 31.8 | 263.5 | Up | 08:02:48 - 08:32:48 | -842 |
| Henderson | 08:17:45 | -74.8 | Dark | Down | 31.3 | 264.2 | Up | 08:02:45 - 08:32:45 | -895 |
| Patrick | 08:17:40 | -74.7 | Dark | Down | 30.5 | 265.3 | Up | 08:02:40 - 08:32:40 | -955 |
| Searchlight/Boulder City | 08:17:43 | -75.2 | Dark | Down | 31.3 | 264.6 | Up | 08:02:43 - 08:32:43 | -956 |
| Kingman/Dolan Springs | 08:17:40 | -75.0 | Dark | Down | 30.6 | 265.3 | Up | 08:02:40 - 08:32:40 | -980 |
| DCO | 08:17:37 | -74.5 | Dark | Down | 29.9 | 265.9 | Low | 08:02:37 - 08:32:37 | -982 |
| Laughlin/Bullhead City | 08:17:42 | -75.3 | Dark | Down | 31.1 | 265.0 | Up | 08:02:42 - 08:32:42 | -986 |
| CPSLO | 08:18:02 | -77.6 | Dark | Down | 35.9 | 261.0 | Up | 08:03:02 - 08:33:02 | -1001 |
| Mohave Valley | 08:17:41 | -75.5 | Dark | Down | 31.1 | 265.2 | Up | 08:02:41 - 08:32:41 | -1015 |
| Lake Havasu City | 08:17:39 | -75.6 | Dark | Down | 30.9 | 265.5 | Up | 08:02:39 - 08:32:39 | -1056 |
| Parker | 08:17:39 | -75.9 | Dark | Down | 30.9 | 265.8 | Up | 08:02:39 - 08:32:39 | -1094 |
| George/Scottsdale | 08:17:31 | -74.7 | Dark | Down | 28.9 | 267.4 | Low | 08:02:31 - 08:32:31 | -1121 |
| Wildwood | 08:17:53 | -78.0 | Dark | Down | 34.4 | 263.2 | Up | 08:02:53 - 08:32:53 | -1123 |
| Idyllwild | 08:17:46 | -77.5 | Dark | Down | 32.9 | 264.6 | Up | 08:02:46 - 08:32:46 | -1152 |
| Blythe | 08:17:39 | -76.4 | Dark | Down | 31.2 | 265.9 | Up | 08:02:39 - 08:32:39 | -1152 |
| Calipatria | 08:17:41 | -77.3 | Dark | Down | 32.0 | 265.7 | Up | 08:02:41 - 08:32:41 | -1211 |
| Yuma | 08:17:38 | -77.1 | Dark | Down | 31.3 | 266.4 | Up | 08:02:38 - 08:32:38 | -1252 |
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 10TL182, (2027/12/22 08:23UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:29 0.8 28.98 134 Menkar 03:02:16.8 +04:05:21 2.5 11.50 154 31 Ari 02:36:38.3 +12:26:50 6.1 1.21 163 PPM 118376 02:36:19.6 +13:40:05 8.2 0.02 163 10TL182 02:36:20.9 +13:39:05 15.0 163 Positions are for J2000
Event circumstances last updated at 2020/10/01 21:29:37 UT
Marc W. Buie, Southwest Research Institute