Event between 04VZ130 and star GA1220:02489548 with event index number of 1742306
Geocentric closest approach at 2026/12/04 05:00:26 UTC
J2000 position of star is 06:07:18.7 +32:43:07
Equinox of date position of star is 06:08:39.6 +32:42:52
Stellar brightness G=13.9,
use SENSEUP=64
Star is 107 degrees from the moon.
Moon is 21% illuminated.
TNO apparent brightness V=25.4
[RECON map]
TNO is 34.2 AU from the Sun
and 33.3 AU from the Earth.
The TNO is moving 23.4
km/sec on the sky relative to the star, or,
3.5 arcsec/hr.
The 1-sigma error in the time of the event is 1043 seconds.
The 1-sigma cross-track error in the shadow position is
3166 km.
The sky-plane scale is
24172.6 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=100.0 km assuming a 5% albedo -- 2.6 sec chord
Diameter=40.8 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 3:2E
Star training set for 04VZ130, (2026/12/04 05:00UT) Object RA Dec mag sep mel Pollux 07:46:57.9 +27:57:32 1.1 21.60 85 Alnath 05:27:59.8 +28:37:40 1.6 9.73 115 PPM 071196 06:07:20.7 +33:35:42 6.1 0.95 107 PPM 071236 06:08:56.7 +32:11:41 8.5 0.52 106 PPM 071231 06:08:51.3 +33:03:03 9.5 0.34 107 PPM 071227 06:08:38.2 +32:38:16 11.1 0.12 107 04VZ130 06:09:04.6 +32:42:47 13.9 106 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 21.3 km
RECON observability=1.0 and success probability=5.6%
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 | 05:03:17 | -47.5 | Dark | Down | 41.7 | 86.6 | Up | 04:48:17 - 05:18:17 | 7499 |
Victoria | 05:03:28 | -45.8 | Dark | Down | 38.9 | 82.2 | Up | 04:48:28 - 05:18:28 | 7475 |
Kelowna | 05:03:18 | -47.6 | Dark | Down | 41.6 | 86.1 | Up | 04:48:18 - 05:18:18 | 7469 |
Peachland | 05:03:19 | -47.5 | Dark | Down | 41.4 | 85.8 | Up | 04:48:19 - 05:18:19 | 7468 |
Summerland | 05:03:19 | -47.6 | Dark | Down | 41.5 | 85.7 | Up | 04:48:19 - 05:18:19 | 7452 |
Penticton | 05:03:19 | -47.7 | Dark | Down | 41.5 | 85.7 | Up | 04:48:19 - 05:18:19 | 7442 |
Oliver | 05:03:20 | -47.8 | Dark | Down | 41.5 | 85.4 | Up | 04:48:20 - 05:18:20 | 7410 |
Anarchist Mountain Observatory | 05:03:20 | -48.0 | Dark | Down | 41.6 | 85.4 | Up | 04:48:20 - 05:18:20 | 7389 |
Tonasket | 05:03:21 | -48.1 | Dark | Down | 41.6 | 85.1 | Up | 04:48:21 - 05:18:21 | 7363 |
Okanogan | 05:03:22 | -48.2 | Dark | Down | 41.4 | 84.7 | Up | 04:48:22 - 05:18:22 | 7337 |
Brewster | 05:03:24 | -48.2 | Dark | Down | 41.3 | 84.3 | Up | 04:48:24 - 05:18:24 | 7319 |
Manson/Chelan | 05:03:25 | -48.0 | Dark | Down | 41.0 | 83.9 | Up | 04:48:25 - 05:18:25 | 7312 |
Entiat | 05:03:25 | -48.1 | Dark | Down | 40.9 | 83.7 | Up | 04:48:25 - 05:18:25 | 7294 |
Wenatchee | 05:03:26 | -48.1 | Dark | Down | 40.8 | 83.4 | Up | 04:48:26 - 05:18:26 | 7274 |
Ellensburg | 05:03:28 | -48.1 | Dark | Down | 40.7 | 82.9 | Up | 04:48:28 - 05:18:28 | 7244 |
Yakima | 05:03:29 | -48.2 | Dark | Down | 40.6 | 82.5 | Up | 04:48:29 - 05:18:29 | 7207 |
Toppenish/White Swan | 05:03:29 | -48.4 | Dark | Down | 40.7 | 82.5 | Up | 04:48:29 - 05:18:29 | 7182 |
Goldendale | 05:03:31 | -48.4 | Dark | Down | 40.3 | 81.7 | Up | 04:48:31 - 05:18:31 | 7145 |
The Dalles | 05:03:33 | -48.2 | Dark | Down | 40.0 | 81.3 | Up | 04:48:33 - 05:18:33 | 7137 |
Pasco | 05:03:27 | -49.3 | Dark | Down | 41.5 | 83.2 | Up | 04:48:27 - 05:18:27 | 7129 |
PNWRO | 05:03:28 | -49.5 | Dark | Down | 41.7 | 83.1 | Up | 04:48:28 - 05:18:28 | 7098 |
Maupin | 05:03:33 | -48.4 | Dark | Down | 40.1 | 81.0 | Up | 04:48:33 - 05:18:33 | 7095 |
Sisters | 05:03:36 | -48.4 | Dark | Down | 39.6 | 80.0 | Up | 04:48:36 - 05:18:36 | 7031 |
Redmond | 05:03:36 | -48.6 | Dark | Down | 39.8 | 80.2 | Up | 04:48:36 - 05:18:36 | 7014 |
Bend | 05:03:37 | -48.6 | Dark | Down | 39.7 | 80.0 | Up | 04:48:37 - 05:18:37 | 6999 |
Oregon Observatory | 05:03:37 | -48.6 | Dark | Down | 39.6 | 79.8 | Up | 04:48:37 - 05:18:37 | 6988 |
La Pine/Gilchrist | 05:03:39 | -48.6 | Dark | Down | 39.5 | 79.6 | Up | 04:48:39 - 05:18:39 | 6971 |
North Lake | 05:03:38 | -49.1 | Dark | Down | 39.9 | 79.6 | Up | 04:48:38 - 05:18:38 | 6909 |
Klamath Falls | 05:03:42 | -48.8 | Dark | Down | 39.0 | 78.2 | Up | 04:48:42 - 05:18:42 | 6845 |
Paisley | 05:03:39 | -49.6 | Dark | Down | 40.0 | 79.3 | Up | 04:48:39 - 05:18:39 | 6845 |
Lakeview | 05:03:40 | -49.8 | Dark | Down | 40.1 | 79.0 | Up | 04:48:40 - 05:18:40 | 6790 |
Cedarville | 05:03:41 | -50.1 | Dark | Down | 40.1 | 78.6 | Up | 04:48:41 - 05:18:41 | 6722 |
Fall River/Burney | 05:03:44 | -49.4 | Dark | Down | 39.1 | 77.5 | Up | 04:48:44 - 05:18:44 | 6720 |
Susanville | 05:03:44 | -50.1 | Dark | Down | 39.5 | 77.4 | Up | 04:48:44 - 05:18:44 | 6633 |
Greenville | 05:03:45 | -49.9 | Dark | Down | 39.2 | 77.0 | Up | 04:48:45 - 05:18:45 | 6618 |
Gimple | 05:03:45 | -50.0 | Dark | Down | 39.3 | 77.1 | Up | 04:48:45 - 05:18:45 | 6614 |
Quincy | 05:03:46 | -50.0 | Dark | Down | 39.2 | 76.9 | Up | 04:48:46 - 05:18:46 | 6598 |
Portola | 05:03:45 | -50.4 | Dark | Down | 39.5 | 77.0 | Up | 04:48:45 - 05:18:45 | 6569 |
Reno | 05:03:45 | -50.9 | Dark | Down | 39.9 | 77.1 | Up | 04:48:45 - 05:18:45 | 6519 |
Carson City | 05:03:45 | -51.0 | Dark | Down | 39.9 | 76.8 | Up | 04:48:45 - 05:18:45 | 6484 |
Gardnerville | 05:03:46 | -51.1 | Dark | Down | 39.9 | 76.7 | Up | 04:48:46 - 05:18:46 | 6459 |
Yerington | 05:03:45 | -51.6 | Dark | Down | 40.3 | 77.0 | Up | 04:48:45 - 05:18:45 | 6442 |
Hawthorne | 05:03:44 | -52.1 | Dark | Down | 40.6 | 76.8 | Up | 04:48:44 - 05:18:44 | 6377 |
Lee Vining | 05:03:47 | -51.8 | Dark | Down | 40.1 | 76.2 | Up | 04:48:47 - 05:18:47 | 6341 |
Tonopah | 05:03:43 | -53.3 | Dark | Down | 41.6 | 77.1 | Up | 04:48:43 - 05:18:43 | 6281 |
Bishop | 05:03:47 | -52.5 | Dark | Down | 40.5 | 76.0 | Up | 04:48:47 - 05:18:47 | 6255 |
Beatty | 05:03:44 | -53.9 | Dark | Down | 41.7 | 76.3 | Up | 04:48:44 - 05:18:44 | 6150 |
CPSLO | 05:03:55 | -51.1 | Dark | Down | 38.2 | 73.4 | Up | 04:48:55 - 05:18:55 | 6140 |
Niwot | 05:03:11 | -61.1 | Dark | Down | 51.0 | 85.3 | Up | 04:48:11 - 05:18:11 | 6103 |
SwRI | 05:03:11 | -61.1 | Dark | Down | 50.9 | 85.1 | Up | 04:48:11 - 05:18:11 | 6095 |
Indian Springs | 05:03:42 | -54.8 | Dark | Down | 42.4 | 76.5 | Up | 04:48:42 - 05:18:42 | 6079 |
Henderson | 05:03:42 | -55.5 | Dark | Down | 42.8 | 76.3 | Up | 04:48:42 - 05:18:42 | 6001 |
Searchlight/Boulder City | 05:03:43 | -55.6 | Dark | Down | 42.8 | 75.8 | Up | 04:48:43 - 05:18:43 | 5941 |
Wildwood | 05:03:54 | -52.9 | Dark | Down | 39.5 | 73.3 | Up | 04:48:54 - 05:18:54 | 5941 |
Laughlin/Bullhead City | 05:03:42 | -56.0 | Dark | Down | 43.0 | 75.7 | Up | 04:48:42 - 05:18:42 | 5899 |
Patrick | 05:03:41 | -56.5 | Dark | Down | 43.6 | 76.2 | Up | 04:48:41 - 05:18:41 | 5898 |
Kingman/Dolan Springs | 05:03:42 | -56.4 | Dark | Down | 43.4 | 75.9 | Up | 04:48:42 - 05:18:42 | 5883 |
Mohave Valley | 05:03:43 | -56.0 | Dark | Down | 42.9 | 75.4 | Up | 04:48:43 - 05:18:43 | 5871 |
DCO | 05:03:40 | -57.1 | Dark | Down | 44.1 | 76.2 | Up | 04:48:40 - 05:18:40 | 5843 |
Idyllwild | 05:03:50 | -54.5 | Dark | Down | 40.9 | 73.7 | Up | 04:48:50 - 05:18:50 | 5833 |
Lake Havasu City | 05:03:44 | -56.3 | Dark | Down | 43.0 | 75.2 | Up | 04:48:44 - 05:18:44 | 5822 |
Parker | 05:03:44 | -56.4 | Dark | Down | 42.9 | 74.9 | Up | 04:48:44 - 05:18:44 | 5785 |
Blythe | 05:03:45 | -56.3 | Dark | Down | 42.6 | 74.3 | Up | 04:48:45 - 05:18:45 | 5743 |
Calipatria | 05:03:48 | -55.6 | Dark | Down | 41.7 | 73.5 | Up | 04:48:48 - 05:18:48 | 5728 |
George/Scottsdale | 05:03:39 | -58.5 | Dark | Down | 44.8 | 75.3 | Up | 04:48:39 - 05:18:39 | 5656 |
Yuma | 05:03:47 | -56.4 | Dark | Down | 42.3 | 73.5 | Up | 04:48:47 - 05:18:47 | 5651 |
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 04VZ130, (2026/12/04 05:00UT) Object RA Dec mag sep mel Pollux 07:45:18.0 +28:01:33 1.1 21.60 85 Alnath 05:26:17.5 +28:36:23 1.6 9.73 115 PPM 071196 06:05:34.0 +33:35:57 6.1 0.95 107 PPM 071236 06:07:11.3 +32:12:00 8.5 0.52 106 PPM 071231 06:07:05.2 +33:03:21 9.5 0.34 107 PPM 071227 06:06:52.4 +32:38:34 11.1 0.12 107 04VZ130 06:07:18.7 +32:43:07 13.9 106 Positions are for J2000
Event circumstances last updated at 2020/07/26 21:36:41 UT
Marc W. Buie, Southwest Research Institute