Event between (10199) Chariklo and star GA0700:34099294 with event index number of 1089531
Geocentric closest approach at 2021/07/06 06:33:40 UTC
J2000 position of star is 20:18:21.2 -19:13:39
Equinox of date position of star is 20:19:35.5 -19:09:33
Stellar brightness G=17.0,
use SENSEUP=128 with the MallinCam and and exposure
time of 2 seconds with the QHY174 camera.
Star is 120 degrees from the moon.
Moon is 13% illuminated.
TNO apparent brightness V=18.8
[RECON map]
TNO is 16.7 AU from the Sun
and 15.7 AU from the Earth.
The TNO is moving 21.6
km/sec on the sky relative to the star, or,
6.8 arcsec/hr.
The 1-sigma error in the time of the event is 31 seconds.
The 1-sigma cross-track error in the shadow position is
626 km.
The sky-plane scale is
11406.8 km/arcsec.
The TNO has an absolute magnitude Hv=6.6
Diameter=295.1 km assuming a 5% albedo -- 13.7 sec chord
Diameter=120.5 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CENTAURR
Star training set for 10199, (2021/07/06 06:34UT) Object RA Dec mag sep mel Fomalhaut 22:58:50.1 -29:30:28 1.2 37.52 88 38Zet Sgr 19:03:58.7 -29:50:51 2.7 20.21 138 7Sig Cap 20:20:37.9 -19:03:00 5.3 0.27 120 PPM 237198 20:18:34.6 -19:12:46 8.5 0.25 120 10199 20:19:35.5 -19:09:33 17.0 120 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 16.1 km
RECON observability=0.4 and success probability=0.0%
| 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 | 06:35:11 | -14.6 | AT | Down | 11.8 | 141.1 | Really Low | 06:32:06 - 06:38:16 | 3877 |
| Kelowna | 06:35:11 | -14.9 | AT | Down | 12.1 | 140.9 | Really Low | 06:32:06 - 06:38:16 | 3861 |
| Peachland | 06:35:11 | -15.0 | AT | Down | 12.0 | 140.6 | Really Low | 06:32:06 - 06:38:16 | 3855 |
| Summerland | 06:35:11 | -15.1 | AT | Down | 12.2 | 140.7 | Really Low | 06:32:06 - 06:38:16 | 3850 |
| Penticton | 06:35:11 | -15.2 | AT | Down | 12.3 | 140.8 | Really Low | 06:32:06 - 06:38:16 | 3848 |
| Oliver | 06:35:11 | -15.5 | AT | Down | 12.6 | 140.7 | Really Low | 06:32:06 - 06:38:16 | 3835 |
| Anarchist Mountain Observatory | 06:35:11 | -15.7 | AT | Down | 12.8 | 140.9 | Really Low | 06:32:06 - 06:38:16 | 3830 |
| Tonasket | 06:35:11 | -16.0 | AT | Down | 13.0 | 140.8 | Really Low | 06:32:06 - 06:38:16 | 3817 |
| Okanogan | 06:35:11 | -16.3 | AT | Down | 13.2 | 140.6 | Really Low | 06:32:06 - 06:38:16 | 3803 |
| Brewster | 06:35:11 | -16.5 | AT | Down | 13.3 | 140.4 | Really Low | 06:32:06 - 06:38:16 | 3791 |
| Manson/Chelan | 06:35:11 | -16.6 | AT | Down | 13.3 | 140.0 | Really Low | 06:32:06 - 06:38:16 | 3781 |
| Wenatchee | 06:35:11 | -17.0 | AT | Down | 13.6 | 139.8 | Really Low | 06:32:06 - 06:38:16 | 3762 |
| Victoria | 06:35:33 | -15.2 | AT | Down | 11.4 | 137.4 | Really Low | 06:32:28 - 06:38:38 | 3757 |
| Ellensburg | 06:35:11 | -17.3 | AT | Down | 13.8 | 139.5 | Really Low | 06:32:06 - 06:38:16 | 3745 |
| Pasco | 06:35:11 | -18.4 | Dark | Down | 15.0 | 140.6 | Really Low | 06:32:06 - 06:38:16 | 3721 |
| PNWRO | 06:35:11 | -18.7 | Dark | Down | 15.3 | 140.8 | Really Low | 06:32:06 - 06:38:16 | 3712 |
| Yakima | 06:35:31 | -17.7 | AT | Down | 14.2 | 139.5 | Really Low | 06:32:26 - 06:38:36 | 3702 |
| Toppenish/White Swan | 06:35:31 | -18.0 | AT | Down | 14.4 | 139.6 | Really Low | 06:32:26 - 06:38:36 | 3693 |
| Goldendale | 06:35:34 | -18.4 | Dark | Down | 14.6 | 139.2 | Really Low | 06:32:29 - 06:38:39 | 3662 |
| The Dalles | 06:35:35 | -18.5 | Dark | Down | 14.6 | 138.8 | Really Low | 06:32:30 - 06:38:40 | 3647 |
| Maupin | 06:35:36 | -18.9 | Dark | Down | 15.0 | 138.9 | Really Low | 06:32:31 - 06:38:41 | 3628 |
| Redmond | 06:35:39 | -19.7 | Dark | Down | 15.6 | 138.6 | Really Low | 06:32:34 - 06:38:44 | 3582 |
| Sisters | 06:35:40 | -19.6 | Dark | Down | 15.4 | 138.3 | Really Low | 06:32:35 - 06:38:45 | 3578 |
| Bend | 06:35:40 | -19.9 | Dark | Down | 15.7 | 138.5 | Really Low | 06:32:35 - 06:38:45 | 3569 |
| Oregon Observatory | 06:35:41 | -20.0 | Dark | Down | 15.8 | 138.3 | Really Low | 06:32:36 - 06:38:46 | 3559 |
| La Pine/Gilchrist | 06:35:42 | -20.2 | Dark | Down | 15.9 | 138.2 | Really Low | 06:32:37 - 06:38:47 | 3548 |
| North Lake | 06:35:41 | -20.7 | Dark | Down | 16.5 | 138.7 | Really Low | 06:32:36 - 06:38:46 | 3532 |
| Paisley | 06:35:41 | -21.3 | Dark | Down | 17.1 | 138.9 | Really Low | 06:32:36 - 06:38:46 | 3507 |
| Dunrhomin | 06:34:58 | -26.7 | Dark | Down | 25.6 | 152.1 | Low | 06:31:53 - 06:38:03 | 3506 |
| Chiloquin | 06:35:45 | -21.1 | Dark | Down | 16.6 | 137.7 | Really Low | 06:32:40 - 06:38:50 | 3485 |
| Lakeview | 06:35:42 | -21.9 | Dark | Down | 17.6 | 138.9 | Really Low | 06:32:37 - 06:38:47 | 3482 |
| Klamath Falls | 06:35:46 | -21.4 | Dark | Down | 16.9 | 137.7 | Really Low | 06:32:41 - 06:38:51 | 3467 |
| Cedarville | 06:35:43 | -22.5 | Dark | Down | 18.2 | 138.9 | Really Low | 06:32:38 - 06:38:48 | 3449 |
| Fall River/Burney | 06:35:48 | -22.6 | Dark | Down | 18.0 | 137.8 | Really Low | 06:32:43 - 06:38:53 | 3406 |
| Susanville | 06:35:47 | -23.4 | Dark | Down | 18.8 | 138.3 | Really Low | 06:32:42 - 06:38:52 | 3380 |
| Gimple | 06:35:49 | -23.6 | Dark | Down | 18.9 | 138.1 | Really Low | 06:32:44 - 06:38:54 | 3361 |
| Greenville | 06:35:49 | -23.6 | Dark | Down | 18.9 | 138.0 | Really Low | 06:32:44 - 06:38:54 | 3360 |
| Quincy | 06:35:49 | -23.8 | Dark | Down | 19.0 | 138.0 | Really Low | 06:32:44 - 06:38:54 | 3349 |
| Portola | 06:35:48 | -24.0 | Dark | Down | 19.3 | 138.3 | Really Low | 06:32:43 - 06:38:53 | 3348 |
| Reno | 06:35:47 | -24.5 | Dark | Down | 19.9 | 138.8 | Really Low | 06:32:42 - 06:38:52 | 3340 |
| Carson City | 06:35:48 | -24.8 | Dark | Down | 20.2 | 138.7 | Low | 06:32:43 - 06:38:53 | 3319 |
| Yerington | 06:35:47 | -25.2 | Dark | Down | 20.6 | 139.2 | Low | 06:32:42 - 06:38:52 | 3315 |
| Gardnerville | 06:35:48 | -25.1 | Dark | Down | 20.4 | 138.7 | Low | 06:32:43 - 06:38:53 | 3305 |
| Hawthorne | 06:35:46 | -25.8 | Dark | Down | 21.2 | 139.6 | Low | 06:32:41 - 06:38:51 | 3294 |
| Tonopah | 06:35:42 | -26.6 | Dark | Down | 22.3 | 140.7 | Low | 06:32:37 - 06:38:47 | 3282 |
| Lee Vining | 06:35:49 | -26.1 | Dark | Down | 21.4 | 139.0 | Low | 06:32:44 - 06:38:54 | 3254 |
| Bishop | 06:35:48 | -26.9 | Dark | Down | 22.3 | 139.5 | Low | 06:32:43 - 06:38:53 | 3226 |
| Beatty | 06:35:43 | -27.8 | Dark | Down | 23.4 | 140.7 | Low | 06:32:38 - 06:38:48 | 3215 |
| Indian Springs | 06:35:40 | -28.4 | Dark | Down | 24.2 | 141.6 | Low | 06:32:35 - 06:38:45 | 3207 |
| Henderson | 06:35:39 | -29.1 | Dark | Down | 25.0 | 142.0 | Low | 06:32:34 - 06:38:44 | 3180 |
| Patrick | 06:35:37 | -29.9 | Dark | Down | 26.0 | 142.8 | Low | 06:32:32 - 06:38:42 | 3151 |
| Kingman/Dolan Springs | 06:35:38 | -30.1 | Dark | Down | 26.1 | 142.6 | Low | 06:32:33 - 06:38:43 | 3135 |
| Laughlin/Bullhead City | 06:35:40 | -30.0 | Dark | Down | 25.9 | 142.2 | Low | 06:32:35 - 06:38:45 | 3128 |
| Mohave Valley | 06:35:41 | -30.3 | Dark | Down | 26.1 | 142.1 | Low | 06:32:36 - 06:38:46 | 3110 |
| Lake Havasu City | 06:35:40 | -30.7 | Dark | Down | 26.5 | 142.2 | Low | 06:32:35 - 06:38:45 | 3087 |
| CPSLO | 06:36:00 | -28.1 | Dark | Down | 22.6 | 137.0 | Low | 06:32:55 - 06:39:05 | 3066 |
| Parker | 06:35:41 | -31.1 | Dark | Down | 26.8 | 142.1 | Low | 06:32:36 - 06:38:46 | 3064 |
| George/Scottsdale | 06:35:33 | -32.0 | Dark | Down | 28.4 | 144.1 | Low | 06:32:28 - 06:38:38 | 3059 |
| Blythe | 06:35:43 | -31.5 | Dark | Down | 27.1 | 141.7 | Low | 06:32:38 - 06:38:48 | 3026 |
| Wildwood | 06:35:56 | -29.9 | Dark | Down | 24.6 | 138.4 | Low | 06:32:51 - 06:39:01 | 3012 |
| Idyllwild | 06:35:50 | -30.8 | Dark | Down | 25.9 | 139.9 | Low | 06:32:45 - 06:38:55 | 3012 |
| Calipatria | 06:35:47 | -31.7 | Dark | Down | 27.0 | 140.7 | Low | 06:32:42 - 06:38:52 | 2982 |
| Yuma | 06:35:45 | -32.4 | Dark | Down | 27.8 | 141.3 | Low | 06:32:40 - 06:38:50 | 2963 |
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 10199, (2021/07/06 06:34UT) Object RA Dec mag sep mel Fomalhaut 22:57:39.6 -29:37:24 1.2 37.52 88 38Zet Sgr 19:02:36.7 -29:52:49 2.7 20.21 138 7Sig Cap 20:19:23.6 -19:07:07 5.3 0.27 120 PPM 237198 20:17:20.2 -19:16:50 8.5 0.25 120 10199 20:18:21.2 -19:13:39 17.0 120 Positions are for J2000
Event circumstances last updated at 2021/07/05 00:59:03 UT
Marc W. Buie, Southwest Research Institute