Event between 08JO41 and star GA1080:06226691 with event index number of 273810
Geocentric closest approach at 2020/06/15 08:49:11 UTC
J2000 position of star is 18:48:47.9 +18:31:50
Equinox of date position of star is 18:49:41.1 +18:33:17
Stellar brightness G=15.4,
use SENSEUP=128
Star is 95 degrees from the moon.
Moon is 31% illuminated.
TNO apparent brightness V=26.2
[RECON map]
TNO is 41.4 AU from the Sun
and 40.7 AU from the Earth.
The TNO is moving 22.8
km/sec on the sky relative to the star, or,
2.8 arcsec/hr.
The 1-sigma error in the time of the event is 555 seconds.
The 1-sigma cross-track error in the shadow position is
5574 km.
The sky-plane scale is
29505.8 km/arcsec.
The TNO has an absolute magnitude Hv=10.0
Diameter=123.6 km assuming a 5% albedo -- 2.6 sec chord
Diameter=50.5 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is SCATNEAR
Star training set for 08JO41, (2020/06/15 08:49UT) Object RA Dec mag sep mel Vega 18:37:37.9 +38:48:13 0.0 20.42 96 Tarazed 19:47:13.9 +10:39:52 2.7 15.99 81 111 Her 18:47:55.5 +18:12:20 4.4 0.55 95 PPM 135209 18:47:35.2 +18:43:45 7.6 0.53 95 PPM 135267 18:49:44.8 +18:52:24 9.5 0.32 95 08JO41 18:49:41.8 +18:33:18 15.4 95 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
1.6 sigma about the mid-time.
The median site spacing is 24.0 km
RECON observability=1.0 and success probability=6.9%
| 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 | 08:49:38 | -15.5 | AT | Down | 58.0 | 171.0 | Up | 08:34:38 - 09:04:38 | 6616 |
| Kelowna | 08:49:38 | -15.9 | AT | Down | 58.4 | 170.6 | Up | 08:34:38 - 09:04:38 | 6578 |
| Peachland | 08:49:39 | -16.1 | AT | Down | 58.5 | 170.1 | Up | 08:34:39 - 09:04:39 | 6567 |
| Summerland | 08:49:39 | -16.2 | AT | Down | 58.6 | 170.2 | Up | 08:34:39 - 09:04:39 | 6553 |
| Penticton | 08:49:39 | -16.3 | AT | Down | 58.7 | 170.4 | Up | 08:34:39 - 09:04:39 | 6547 |
| Oliver | 08:49:38 | -16.6 | AT | Down | 59.1 | 170.3 | Up | 08:34:38 - 09:04:38 | 6513 |
| Anarchist Mountain Observatory | 08:49:38 | -16.7 | AT | Down | 59.2 | 170.6 | Up | 08:34:38 - 09:04:38 | 6497 |
| Tonasket | 08:49:38 | -17.1 | AT | Down | 59.5 | 170.4 | Up | 08:34:38 - 09:04:38 | 6467 |
| Victoria | 08:49:51 | -17.7 | AT | Down | 59.1 | 163.1 | Up | 08:34:51 - 09:04:51 | 6441 |
| Okanogan | 08:49:39 | -17.4 | AT | Down | 59.9 | 170.0 | Up | 08:34:39 - 09:04:39 | 6434 |
| Brewster | 08:49:39 | -17.7 | AT | Down | 60.1 | 169.5 | Up | 08:34:39 - 09:04:39 | 6407 |
| Manson/Chelan | 08:49:40 | -18.0 | AT | Down | 60.3 | 168.8 | Up | 08:34:40 - 09:04:40 | 6386 |
| Entiat | 08:49:41 | -18.2 | Dark | Down | 60.5 | 168.6 | Up | 08:34:41 - 09:04:41 | 6365 |
| Wenatchee | 08:49:42 | -18.4 | Dark | Down | 60.7 | 168.3 | Up | 08:34:42 - 09:04:42 | 6339 |
| Ellensburg | 08:49:42 | -18.9 | Dark | Down | 61.1 | 167.7 | Up | 08:34:42 - 09:04:42 | 6298 |
| Yakima | 08:49:43 | -19.3 | Dark | Down | 61.5 | 167.5 | Up | 08:34:43 - 09:04:43 | 6258 |
| Toppenish/White Swan | 08:49:42 | -19.5 | Dark | Down | 61.7 | 167.8 | Up | 08:34:42 - 09:04:42 | 6238 |
| Pasco | 08:49:37 | -19.4 | Dark | Down | 62.0 | 170.2 | Up | 08:34:37 - 09:04:37 | 6229 |
| PNWRO | 08:49:37 | -19.6 | Dark | Down | 62.3 | 170.6 | Up | 08:34:37 - 09:04:37 | 6206 |
| Goldendale | 08:49:43 | -20.1 | Dark | Down | 62.2 | 166.7 | Up | 08:34:43 - 09:04:43 | 6182 |
| The Dalles | 08:49:44 | -20.3 | Dark | Down | 62.3 | 165.9 | Up | 08:34:44 - 09:04:44 | 6159 |
| Maupin | 08:49:44 | -20.7 | Dark | Down | 62.8 | 165.9 | Up | 08:34:44 - 09:04:44 | 6117 |
| Sisters | 08:49:46 | -21.7 | Dark | Down | 63.5 | 164.5 | Up | 08:34:46 - 09:04:46 | 6028 |
| Redmond | 08:49:44 | -21.6 | Dark | Down | 63.6 | 165.3 | Up | 08:34:44 - 09:04:44 | 6027 |
| Bend | 08:49:45 | -21.9 | Dark | Down | 63.8 | 164.9 | Up | 08:34:45 - 09:04:45 | 6005 |
| Oregon Observatory | 08:49:45 | -22.1 | Dark | Down | 64.0 | 164.5 | Up | 08:34:45 - 09:04:45 | 5987 |
| La Pine/Gilchrist | 08:49:45 | -22.3 | Dark | Down | 64.1 | 164.3 | Up | 08:34:45 - 09:04:45 | 5967 |
| North Lake | 08:49:44 | -22.6 | Dark | Down | 64.7 | 165.3 | Up | 08:34:44 - 09:04:44 | 5924 |
| Paisley | 08:49:42 | -23.1 | Dark | Down | 65.3 | 165.8 | Up | 08:34:42 - 09:04:42 | 5869 |
| Klamath Falls | 08:49:47 | -23.7 | Dark | Down | 65.5 | 162.8 | Up | 08:34:47 - 09:04:47 | 5818 |
| Lakeview | 08:49:42 | -23.6 | Dark | Down | 65.8 | 166.0 | Up | 08:34:42 - 09:04:42 | 5818 |
| Cedarville | 08:49:41 | -24.2 | Dark | Down | 66.5 | 166.0 | Up | 08:34:41 - 09:04:41 | 5752 |
| Niwot | 08:48:45 | -21.8 | Dark | Up | 67.1 | 202.2 | Up | 08:33:45 - 09:03:45 | 5704 |
| Fall River/Burney | 08:49:45 | -24.8 | Dark | Down | 66.7 | 162.9 | Up | 08:34:45 - 09:04:45 | 5698 |
| SwRI | 08:48:46 | -21.9 | Dark | Up | 67.2 | 202.1 | Up | 08:33:46 - 09:03:46 | 5692 |
| Susanville | 08:49:43 | -25.3 | Dark | Down | 67.4 | 164.2 | Up | 08:34:43 - 09:04:43 | 5636 |
| Greenville | 08:49:44 | -25.7 | Dark | Down | 67.7 | 163.3 | Up | 08:34:44 - 09:04:44 | 5606 |
| Gimple | 08:49:44 | -25.6 | Dark | Down | 67.7 | 163.5 | Up | 08:34:44 - 09:04:44 | 5606 |
| Quincy | 08:49:43 | -25.9 | Dark | Down | 67.8 | 163.2 | Up | 08:34:43 - 09:04:43 | 5585 |
| Portola | 08:49:42 | -25.9 | Dark | Down | 68.1 | 164.2 | Up | 08:34:42 - 09:04:42 | 5574 |
| Reno | 08:49:40 | -26.1 | Dark | Down | 68.5 | 165.7 | Up | 08:34:40 - 09:04:40 | 5548 |
| Carson City | 08:49:40 | -26.4 | Dark | Down | 68.8 | 165.5 | Up | 08:34:40 - 09:04:40 | 5511 |
| Yerington | 08:49:37 | -26.5 | Dark | Down | 69.1 | 167.0 | Up | 08:34:37 - 09:04:37 | 5493 |
| Gardnerville | 08:49:40 | -26.6 | Dark | Down | 69.1 | 165.5 | Up | 08:34:40 - 09:04:40 | 5486 |
| Hawthorne | 08:49:35 | -26.8 | Dark | Down | 69.7 | 168.1 | Up | 08:34:35 - 09:04:35 | 5446 |
| Tonopah | 08:49:30 | -27.0 | Dark | Down | 70.3 | 171.7 | Up | 08:34:30 - 09:04:30 | 5404 |
| Lee Vining | 08:49:37 | -27.5 | Dark | Down | 70.1 | 166.5 | Up | 08:34:37 - 09:04:37 | 5386 |
| Bishop | 08:49:35 | -27.9 | Dark | Down | 70.8 | 168.1 | Up | 08:34:35 - 09:04:35 | 5325 |
| Beatty | 08:49:28 | -28.0 | Dark | Down | 71.5 | 172.5 | Up | 08:34:28 - 09:04:28 | 5284 |
| Indian Springs | 08:49:23 | -28.1 | Dark | Down | 71.9 | 175.6 | Up | 08:34:23 - 09:04:23 | 5255 |
| Henderson | 08:49:21 | -28.4 | Dark | Down | 72.5 | 177.7 | Up | 08:34:21 - 09:04:21 | 5202 |
| Patrick | 08:49:17 | -28.7 | Dark | Down | 73.1 | 181.2 | Up | 08:34:17 - 09:04:17 | 5143 |
| Searchlight/Boulder City | 08:49:20 | -29.0 | Dark | Down | 73.1 | 177.8 | Up | 08:34:20 - 09:04:20 | 5142 |
| Kingman/Dolan Springs | 08:49:17 | -29.0 | Dark | Down | 73.3 | 180.6 | Up | 08:34:17 - 09:04:17 | 5118 |
| DCO | 08:49:14 | -28.8 | Dark | Down | 73.4 | 183.5 | Up | 08:34:14 - 09:04:14 | 5115 |
| Laughlin/Bullhead City | 08:49:19 | -29.2 | Dark | Down | 73.4 | 178.9 | Up | 08:34:19 - 09:04:19 | 5112 |
| CPSLO | 08:49:42 | -30.3 | Dark | Down | 72.3 | 159.9 | Up | 08:34:42 - 09:04:42 | 5099 |
| Mohave Valley | 08:49:19 | -29.4 | Dark | Down | 73.6 | 178.9 | Up | 08:34:19 - 09:04:19 | 5084 |
| Lake Havasu City | 08:49:18 | -29.7 | Dark | Down | 74.0 | 179.7 | Up | 08:34:18 - 09:04:18 | 5043 |
| Parker | 08:49:17 | -30.1 | Dark | Down | 74.4 | 179.8 | Up | 08:34:17 - 09:04:17 | 5005 |
| Wildwood | 08:49:35 | -31.1 | Dark | Down | 74.0 | 165.1 | Up | 08:34:35 - 09:04:35 | 4978 |
| George/Scottsdale | 08:49:08 | -29.8 | Dark | Down | 74.7 | 188.4 | Up | 08:34:08 - 09:04:08 | 4977 |
| Idyllwild | 08:49:27 | -31.1 | Dark | Down | 74.6 | 171.2 | Up | 08:34:27 - 09:04:27 | 4948 |
| Blythe | 08:49:19 | -30.6 | Dark | Down | 74.9 | 178.7 | Up | 08:34:19 - 09:04:19 | 4947 |
| Calipatria | 08:49:22 | -31.3 | Dark | Down | 75.4 | 175.2 | Up | 08:34:22 - 09:04:22 | 4889 |
| Yuma | 08:49:19 | -31.5 | Dark | Down | 75.8 | 178.5 | Up | 08:34:19 - 09:04:19 | 4848 |
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 08JO41, (2020/06/15 08:49UT) Object RA Dec mag sep mel Vega 18:36:56.7 +38:47:07 0.0 20.42 96 Tarazed 19:46:15.6 +10:36:48 2.7 15.99 81 111 Her 18:47:01.4 +18:10:56 4.4 0.55 95 PPM 135209 18:46:41.4 +18:42:21 7.6 0.53 95 PPM 135267 18:48:51.0 +18:50:56 9.5 0.32 95 08JO41 18:48:47.9 +18:31:50 15.4 95 Positions are for J2000
Event circumstances last updated at 2020/03/09 21:18:02 UT
Marc W. Buie, Southwest Research Institute