Event between 03FM129 and star GA0780:04988420 with event index number of 266025
Geocentric closest approach at 2020/05/04 09:44:08 UTC
J2000 position of star is 15:57:41.4 -10:59:42
Equinox of date position of star is 15:58:42.1 -11:02:49
Stellar brightness G=15.0,
use SENSEUP=128
Star is 58 degrees from the moon.
Moon is 87% illuminated.
TNO apparent brightness V=22.0
[RECON map]
TNO is 37.0 AU from the Sun
and 36.0 AU from the Earth.
The TNO is moving 23.2
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 700 seconds.
The 1-sigma cross-track error in the shadow position is
4753 km.
The sky-plane scale is
26106.7 km/arcsec.
The TNO has an absolute magnitude Hv=6.3
Diameter=326.6 km assuming a 5% albedo -- 14.1 sec chord
Diameter=133.3 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATNEAR
Star training set for 03FM129, (2020/05/04 09:44UT) Object RA Dec mag sep mel Antares 16:30:39.5 -26:28:31 0.9 17.15 69 1Del Oph 16:15:24.8 -03:44:43 2.7 8.39 61 50 Lib 16:01:53.7 -08:28:03 5.5 2.69 58 PPM 230996 15:58:15.0 -10:56:44 7.9 0.17 57 PPM 231013 15:58:56.3 -11:11:04 9.8 0.14 58 03FM129 15:58:48.5 -11:03:08 15.0 58 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
1.3 sigma about the mid-time.
The median site spacing is 12.7 km
RECON observability=1.0 and success probability=3.0%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Penticton | 09:44:55 | -20.0 | Dark | Up | 28.8 | 191.2 | Low | 09:29:55 - 09:59:55 | 7680 |
| Oroville | 09:44:54 | -20.5 | Dark | Up | 29.4 | 191.4 | Low | 09:29:54 - 09:59:54 | 7654 |
| Tonasket | 09:44:54 | -20.7 | Dark | Up | 29.6 | 191.4 | Low | 09:29:54 - 09:59:54 | 7643 |
| Okanogan | 09:44:54 | -21.0 | Dark | Up | 30.0 | 191.3 | Low | 09:29:54 - 09:59:54 | 7623 |
| Brewster | 09:44:54 | -21.3 | Dark | Up | 30.3 | 191.1 | Up | 09:29:54 - 09:59:54 | 7605 |
| Manson/Chelan | 09:44:55 | -21.6 | Dark | Up | 30.5 | 190.7 | Up | 09:29:55 - 09:59:55 | 7587 |
| Entiat | 09:44:55 | -21.8 | Dark | Up | 30.8 | 190.7 | Up | 09:29:55 - 09:59:55 | 7574 |
| Wenatchee | 09:44:55 | -22.1 | Dark | Up | 31.0 | 190.6 | Up | 09:29:55 - 09:59:55 | 7559 |
| Ellensburg | 09:44:55 | -22.5 | Dark | Up | 31.5 | 190.4 | Up | 09:29:55 - 09:59:55 | 7533 |
| Pasco | 09:44:49 | -22.7 | Dark | Up | 32.0 | 192.1 | Up | 09:29:49 - 09:59:49 | 7525 |
| PNWRO | 09:44:48 | -22.8 | Dark | Up | 32.2 | 192.4 | Up | 09:29:48 - 09:59:48 | 7517 |
| Yakima | 09:44:54 | -22.9 | Dark | Up | 31.9 | 190.4 | Up | 09:29:54 - 09:59:54 | 7511 |
| Toppenish/White Swan | 09:44:53 | -23.0 | Dark | Up | 32.0 | 190.6 | Up | 09:29:53 - 09:59:53 | 7504 |
| George/Umatilla | 09:44:50 | -23.1 | Dark | Up | 32.4 | 191.9 | Up | 09:29:50 - 09:59:50 | 7502 |
| Niwot | 09:43:54 | -21.7 | Dark | Up | 34.2 | 209.0 | Up | 09:28:54 - 09:58:54 | 7468 |
| Goldendale | 09:44:54 | -23.6 | Dark | Up | 32.6 | 190.2 | Up | 09:29:54 - 09:59:54 | 7465 |
| The Dalles | 09:44:55 | -24.0 | Dark | Up | 32.9 | 189.8 | Up | 09:29:55 - 09:59:55 | 7444 |
| Maupin | 09:44:53 | -24.3 | Dark | Up | 33.3 | 190.0 | Up | 09:29:53 - 09:59:53 | 7424 |
| Madras/Culver | 09:44:54 | -24.8 | Dark | Up | 33.9 | 190.0 | Up | 09:29:54 - 09:59:54 | 7392 |
| Redmond | 09:44:53 | -25.1 | Dark | Up | 34.2 | 189.9 | Up | 09:29:53 - 09:59:53 | 7371 |
| Sisters | 09:44:55 | -25.2 | Dark | Up | 34.2 | 189.5 | Up | 09:29:55 - 09:59:55 | 7363 |
| Bend | 09:44:53 | -25.4 | Dark | Up | 34.4 | 189.8 | Up | 09:29:53 - 09:59:53 | 7355 |
| Oregon Observatory | 09:44:54 | -25.6 | Dark | Up | 34.6 | 189.7 | Up | 09:29:54 - 09:59:54 | 7343 |
| La Pine/Gilchrist | 09:44:54 | -25.8 | Dark | Up | 34.8 | 189.6 | Up | 09:29:54 - 09:59:54 | 7329 |
| North Lake | 09:44:51 | -25.9 | Dark | Up | 35.2 | 190.4 | Up | 09:29:51 - 09:59:51 | 7318 |
| Paisley | 09:44:49 | -26.3 | Dark | Up | 35.7 | 190.9 | Up | 09:29:49 - 09:59:49 | 7294 |
| Lakeview | 09:44:48 | -26.7 | Dark | Up | 36.2 | 191.2 | Up | 09:29:48 - 09:59:48 | 7269 |
| Chiloquin | 09:44:53 | -26.9 | Dark | Up | 36.0 | 189.3 | Up | 09:29:53 - 09:59:53 | 7256 |
| Klamath Falls | 09:44:52 | -27.2 | Dark | Up | 36.3 | 189.5 | Up | 09:29:52 - 09:59:52 | 7237 |
| Cedarville | 09:44:46 | -27.2 | Dark | Up | 36.8 | 191.5 | Up | 09:29:46 - 09:59:46 | 7234 |
| Tulelake | 09:44:51 | -27.3 | Dark | Up | 36.5 | 189.9 | Up | 09:29:51 - 09:59:51 | 7228 |
| Fall River/Burney | 09:44:50 | -28.1 | Dark | Up | 37.4 | 190.1 | Up | 09:29:50 - 09:59:50 | 7175 |
| Susanville | 09:44:46 | -28.4 | Dark | Up | 37.9 | 191.0 | Up | 09:29:46 - 09:59:46 | 7153 |
| Gimple | 09:44:47 | -28.7 | Dark | Up | 38.2 | 190.8 | Up | 09:29:47 - 09:59:47 | 7131 |
| Greenville | 09:44:47 | -28.7 | Dark | Up | 38.3 | 190.7 | Up | 09:29:47 - 09:59:47 | 7129 |
| Portola | 09:44:45 | -28.8 | Dark | Up | 38.5 | 191.4 | Up | 09:29:45 - 09:59:45 | 7120 |
| Reno | 09:44:42 | -28.8 | Dark | Up | 38.7 | 192.2 | Up | 09:29:42 - 09:59:42 | 7119 |
| Quincy | 09:44:47 | -28.9 | Dark | Up | 38.5 | 190.8 | Up | 09:29:47 - 09:59:47 | 7116 |
| Yerington | 09:44:39 | -29.0 | Dark | Up | 39.1 | 193.1 | Up | 09:29:39 - 09:59:39 | 7100 |
| Carson City | 09:44:42 | -29.1 | Dark | Up | 39.0 | 192.3 | Up | 09:29:42 - 09:59:42 | 7097 |
| Tonopah | 09:44:31 | -29.0 | Dark | Up | 39.6 | 195.7 | Up | 09:29:31 - 09:59:31 | 7086 |
| Hawthorne | 09:44:37 | -29.2 | Dark | Up | 39.5 | 193.8 | Up | 09:29:37 - 09:59:37 | 7083 |
| Gardnerville | 09:44:41 | -29.3 | Dark | Up | 39.2 | 192.4 | Up | 09:29:41 - 09:59:41 | 7082 |
| Lee Vining | 09:44:38 | -29.9 | Dark | Up | 40.1 | 193.3 | Up | 09:29:38 - 09:59:38 | 7034 |
| Indian Springs | 09:44:22 | -29.6 | Dark | Up | 40.7 | 197.9 | Up | 09:29:22 - 09:59:22 | 7026 |
| Beatty | 09:44:28 | -29.8 | Dark | Up | 40.6 | 196.5 | Up | 09:29:28 - 09:59:28 | 7022 |
| Bishop | 09:44:34 | -30.1 | Dark | Up | 40.5 | 194.4 | Up | 09:29:34 - 09:59:34 | 7013 |
| Henderson | 09:44:19 | -29.7 | Dark | Up | 41.0 | 198.9 | Up | 09:29:19 - 09:59:19 | 7007 |
| Patrick | 09:44:14 | -29.7 | Dark | Up | 41.3 | 200.5 | Up | 09:29:14 - 09:59:14 | 6991 |
| DCO | 09:44:12 | -29.6 | Dark | Up | 41.4 | 201.4 | Up | 09:29:12 - 09:59:12 | 6986 |
| Kingman/Dolan Springs | 09:44:15 | -30.0 | Dark | Up | 41.6 | 200.3 | Up | 09:29:15 - 09:59:15 | 6971 |
| Lone Pine | 09:44:32 | -30.6 | Dark | Up | 41.2 | 194.9 | Up | 09:29:32 - 09:59:32 | 6970 |
| Searchlight/Boulder City | 09:44:19 | -30.1 | Dark | Up | 41.6 | 199.1 | Up | 09:29:19 - 09:59:19 | 6969 |
| Laughlin/Bullhead City | 09:44:17 | -30.2 | Dark | Up | 41.8 | 199.7 | Up | 09:29:17 - 09:59:17 | 6957 |
| Mohave Valley | 09:44:16 | -30.4 | Dark | Up | 42.0 | 199.8 | Up | 09:29:16 - 09:59:16 | 6939 |
| Lake Havasu City | 09:44:15 | -30.6 | Dark | Up | 42.3 | 200.2 | Up | 09:29:15 - 09:59:15 | 6917 |
| Parker | 09:44:14 | -30.9 | Dark | Up | 42.6 | 200.3 | Up | 09:29:14 - 09:59:14 | 6894 |
| Blythe | 09:44:14 | -31.5 | Dark | Up | 43.2 | 200.1 | Up | 09:29:14 - 09:59:14 | 6850 |
| CPSLO | 09:44:39 | -32.8 | Dark | Up | 43.0 | 191.9 | Up | 09:29:39 - 09:59:39 | 6815 |
| Idyllwild | 09:44:23 | -32.4 | Dark | Up | 43.7 | 197.4 | Up | 09:29:23 - 09:59:23 | 6806 |
| Calipatria | 09:44:17 | -32.3 | Dark | Up | 43.9 | 199.1 | Up | 09:29:17 - 09:59:17 | 6792 |
| Wildwood | 09:44:28 | -33.0 | Dark | Up | 43.8 | 194.8 | Up | 09:29:28 - 09:59:28 | 6783 |
| Yuma | 09:44:13 | -32.2 | Dark | Up | 44.1 | 200.4 | Up | 09:29:13 - 09:59:13 | 6783 |
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 03FM129, (2020/05/04 09:44UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 17.15 69 1Del Oph 16:14:20.7 -03:41:42 2.7 8.39 61 50 Lib 16:00:47.6 -08:24:41 5.5 2.69 58 PPM 230996 15:57:07.9 -10:53:17 7.9 0.17 57 PPM 231013 15:57:49.2 -11:07:37 9.8 0.14 58 03FM129 15:57:41.4 -10:59:42 15.0 58 Positions are for J2000
Event circumstances last updated at 2018/05/31 17:24:54 UT
Marc W. Buie, Southwest Research Institute