Event between (471165) 10HE79 and star GA0700:06479348 with event index number of 260215
Geocentric closest approach at 2020/05/08 09:57:07 UTC
J2000 position of star is 16:29:10.6 -19:05:13
Equinox of date position of star is 16:30:18.5 -19:07:42
Stellar brightness G=16.5,
use SENSEUP=128
Star is 7 degrees from the moon.
Moon is 99% illuminated.
TNO apparent brightness V=20.8
[RECON map]
TNO is 37.4 AU from the Sun
and 36.5 AU from the Earth.
The TNO is moving 22.8
km/sec on the sky relative to the star, or,
3.1 arcsec/hr.
The 1-sigma error in the time of the event is 161 seconds.
The 1-sigma cross-track error in the shadow position is
1728 km.
The sky-plane scale is
26449.3 km/arcsec.
The TNO has an absolute magnitude Hv=5.1
Diameter=575.5 km assuming a 5% albedo -- 25.2 sec chord
Diameter=234.9 km assuming a 30% albedo -- 10.3 sec chord
Dynamical classification is SCATNEAR
Star training set for 471165, (2020/05/08 09:57UT) Object RA Dec mag sep mel Antares 16:30:39.5 -26:28:32 0.9 7.35 11 8Bet1Sco 16:06:37.4 -19:51:34 2.6 5.64 2 7Chi Oph 16:28:12.4 -18:30:03 4.1 0.81 6 PPM 231759 16:30:54.5 -18:43:31 8.1 0.42 7 PPM 231722 16:28:58.9 -19:13:24 9.8 0.34 7 471165 16:30:21.9 -19:07:50 16.5 7 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 10.3 km
RECON observability=1.0 and success probability=6.3%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 09:57:38 | -17.5 | AT | Up | 20.5 | 189.5 | Low | 09:43:43 - 10:11:34 | 3372 |
| Summerland | 09:57:39 | -17.9 | AT | Up | 20.8 | 189.2 | Low | 09:43:43 - 10:11:34 | 3358 |
| Penticton | 09:57:38 | -17.9 | AT | Up | 20.9 | 189.4 | Low | 09:43:43 - 10:11:34 | 3357 |
| Okanagan Falls | 09:57:38 | -18.0 | Dark | Up | 21.1 | 189.3 | Low | 09:43:43 - 10:11:34 | 3350 |
| Oliver | 09:57:38 | -18.2 | Dark | Up | 21.2 | 189.4 | Low | 09:43:42 - 10:11:33 | 3344 |
| Anarchist Mountain Observatory | 09:57:37 | -18.3 | Dark | Up | 21.4 | 189.6 | Low | 09:43:42 - 10:11:33 | 3340 |
| Oroville | 09:57:37 | -18.3 | Dark | Up | 21.5 | 189.5 | Low | 09:43:41 - 10:11:32 | 3336 |
| Tonasket | 09:57:37 | -18.5 | Dark | Up | 21.7 | 189.5 | Low | 09:43:41 - 10:11:32 | 3327 |
| Okanogan | 09:57:37 | -18.9 | Dark | Up | 22.0 | 189.4 | Low | 09:43:42 - 10:11:33 | 3312 |
| Brewster | 09:57:38 | -19.2 | Dark | Up | 22.3 | 189.2 | Low | 09:43:42 - 10:11:33 | 3299 |
| Manson/Chelan | 09:57:39 | -19.5 | Dark | Up | 22.6 | 188.9 | Low | 09:43:43 - 10:11:34 | 3286 |
| Entiat | 09:57:39 | -19.7 | Dark | Up | 22.8 | 188.8 | Low | 09:43:43 - 10:11:34 | 3276 |
| Wenatchee | 09:57:39 | -20.0 | Dark | Up | 23.1 | 188.7 | Low | 09:43:43 - 10:11:34 | 3265 |
| Ellensburg | 09:57:38 | -20.4 | Dark | Up | 23.5 | 188.5 | Low | 09:43:43 - 10:11:34 | 3244 |
| Pasco | 09:57:34 | -20.5 | Dark | Up | 24.1 | 190.0 | Low | 09:43:38 - 10:11:29 | 3233 |
| Yakima | 09:57:39 | -20.7 | Dark | Up | 23.9 | 188.5 | Low | 09:43:44 - 10:11:35 | 3227 |
| PNWRO | 09:57:33 | -20.7 | Dark | Up | 24.3 | 190.3 | Low | 09:43:37 - 10:11:28 | 3225 |
| Toppenish/White Swan | 09:57:38 | -20.9 | Dark | Up | 24.1 | 188.7 | Low | 09:43:42 - 10:11:33 | 3220 |
| George/Umatilla | 09:57:34 | -20.9 | Dark | Up | 24.4 | 189.8 | Low | 09:43:39 - 10:11:30 | 3215 |
| Goldendale | 09:57:39 | -21.5 | Dark | Up | 24.7 | 188.3 | Low | 09:43:44 - 10:11:35 | 3191 |
| The Dalles | 09:57:40 | -21.8 | Dark | Up | 24.9 | 188.0 | Low | 09:43:44 - 10:11:35 | 3175 |
| Maupin | 09:57:39 | -22.1 | Dark | Up | 25.4 | 188.1 | Low | 09:43:43 - 10:11:34 | 3158 |
| Madras/Culver | 09:57:39 | -22.6 | Dark | Up | 25.9 | 188.1 | Low | 09:43:44 - 10:11:35 | 3133 |
| Redmond | 09:57:39 | -23.0 | Dark | Up | 26.3 | 188.0 | Low | 09:43:43 - 10:11:34 | 3116 |
| Sisters | 09:57:40 | -23.1 | Dark | Up | 26.3 | 187.6 | Low | 09:43:44 - 10:11:35 | 3111 |
| Bend | 09:57:38 | -23.2 | Dark | Up | 26.5 | 187.9 | Low | 09:43:43 - 10:11:34 | 3104 |
| Oregon Observatory | 09:57:39 | -23.4 | Dark | Up | 26.7 | 187.8 | Low | 09:43:43 - 10:11:34 | 3094 |
| Niwot | 09:56:38 | -19.0 | Dark | Up | 26.9 | 204.9 | Low | 09:42:43 - 10:10:34 | 3093 |
| SwRI | 09:56:39 | -19.2 | Dark | Up | 27.0 | 204.8 | Low | 09:42:43 - 10:10:34 | 3087 |
| La Pine/Gilchrist | 09:57:39 | -23.6 | Dark | Up | 26.9 | 187.7 | Low | 09:43:43 - 10:11:34 | 3083 |
| North Lake | 09:57:37 | -23.8 | Dark | Up | 27.2 | 188.4 | Low | 09:43:41 - 10:11:32 | 3071 |
| Paisley | 09:57:35 | -24.1 | Dark | Up | 27.8 | 188.8 | Low | 09:43:39 - 10:11:30 | 3050 |
| Lakeview | 09:57:33 | -24.5 | Dark | Up | 28.2 | 189.1 | Low | 09:43:38 - 10:11:29 | 3028 |
| Chiloquin | 09:57:39 | -24.7 | Dark | Up | 28.0 | 187.4 | Low | 09:43:44 - 10:11:35 | 3024 |
| Klamath Falls | 09:57:39 | -25.0 | Dark | Up | 28.3 | 187.6 | Low | 09:43:43 - 10:11:34 | 3008 |
| Tulelake | 09:57:37 | -25.1 | Dark | Up | 28.6 | 187.9 | Low | 09:43:42 - 10:11:33 | 2999 |
| Cedarville | 09:57:32 | -24.9 | Dark | Up | 28.9 | 189.3 | Low | 09:43:37 - 10:11:28 | 2997 |
| Fall River/Burney | 09:57:36 | -25.8 | Dark | Up | 29.5 | 188.0 | Low | 09:43:41 - 10:11:32 | 2954 |
| Susanville | 09:57:32 | -26.1 | Dark | Up | 30.0 | 188.9 | Up | 09:43:37 - 10:11:28 | 2932 |
| Gimple | 09:57:33 | -26.4 | Dark | Up | 30.3 | 188.7 | Up | 09:43:37 - 10:11:28 | 2914 |
| Greenville | 09:57:34 | -26.4 | Dark | Up | 30.3 | 188.6 | Up | 09:43:38 - 10:11:29 | 2913 |
| Portola | 09:57:32 | -26.5 | Dark | Up | 30.6 | 189.1 | Up | 09:43:36 - 10:11:27 | 2903 |
| Quincy | 09:57:33 | -26.6 | Dark | Up | 30.5 | 188.6 | Up | 09:43:38 - 10:11:29 | 2902 |
| Reno | 09:57:29 | -26.5 | Dark | Up | 30.8 | 189.9 | Up | 09:43:34 - 10:11:25 | 2898 |
| Carson City | 09:57:29 | -26.8 | Dark | Up | 31.1 | 189.9 | Up | 09:43:34 - 10:11:25 | 2879 |
| Yerington | 09:57:26 | -26.7 | Dark | Up | 31.2 | 190.6 | Up | 09:43:31 - 10:11:22 | 2878 |
| Gardnerville | 09:57:29 | -27.0 | Dark | Up | 31.4 | 190.0 | Up | 09:43:33 - 10:11:24 | 2867 |
| Hawthorne | 09:57:24 | -26.8 | Dark | Up | 31.6 | 191.2 | Up | 09:43:29 - 10:11:20 | 2860 |
| Tonopah | 09:57:18 | -26.6 | Dark | Up | 31.8 | 192.8 | Up | 09:43:22 - 10:11:13 | 2855 |
| Lee Vining | 09:57:25 | -27.5 | Dark | Up | 32.2 | 190.8 | Up | 09:43:29 - 10:11:20 | 2821 |
| Bishop | 09:57:22 | -27.7 | Dark | Up | 32.7 | 191.6 | Up | 09:43:27 - 10:11:18 | 2798 |
| Beatty | 09:57:15 | -27.3 | Dark | Up | 32.9 | 193.5 | Up | 09:43:19 - 10:11:10 | 2795 |
| Indian Springs | 09:57:11 | -27.1 | Dark | Up | 33.0 | 194.7 | Up | 09:43:15 - 10:11:06 | 2791 |
| Henderson | 09:57:07 | -27.2 | Dark | Up | 33.4 | 195.5 | Up | 09:43:12 - 10:11:03 | 2769 |
| Lone Pine | 09:57:19 | -28.2 | Dark | Up | 33.4 | 192.1 | Up | 09:43:24 - 10:11:15 | 2759 |
| Patrick | 09:57:03 | -27.1 | Dark | Up | 33.7 | 196.9 | Up | 09:43:07 - 10:10:58 | 2747 |
| DCO | 09:56:59 | -27.0 | Dark | Up | 33.8 | 197.7 | Up | 09:43:04 - 10:10:55 | 2737 |
| Searchlight/Boulder City | 09:57:07 | -27.6 | Dark | Up | 33.9 | 195.7 | Up | 09:43:11 - 10:11:02 | 2736 |
| Kingman/Dolan Springs | 09:57:03 | -27.4 | Dark | Up | 34.0 | 196.7 | Up | 09:43:07 - 10:10:58 | 2731 |
| Laughlin/Bullhead City | 09:57:04 | -27.6 | Dark | Up | 34.1 | 196.1 | Up | 09:43:09 - 10:11:00 | 2723 |
| Mohave Valley | 09:57:04 | -27.9 | Dark | Up | 34.4 | 196.2 | Up | 09:43:08 - 10:10:59 | 2707 |
| Lake Havasu City | 09:57:03 | -28.0 | Dark | Up | 34.7 | 196.5 | Up | 09:43:07 - 10:10:58 | 2685 |
| Parker | 09:57:03 | -28.3 | Dark | Up | 35.0 | 196.6 | Up | 09:43:07 - 10:10:58 | 2664 |
| CPSLO | 09:57:28 | -30.4 | Dark | Up | 35.1 | 189.4 | Up | 09:43:32 - 10:11:23 | 2641 |
| Blythe | 09:57:03 | -28.9 | Dark | Up | 35.6 | 196.4 | Up | 09:43:08 - 10:10:59 | 2628 |
| Idyllwild | 09:57:11 | -29.8 | Dark | Up | 36.0 | 194.0 | Up | 09:43:15 - 10:11:06 | 2605 |
| Wildwood | 09:57:19 | -30.5 | Dark | Up | 36.0 | 191.8 | Up | 09:43:23 - 10:11:14 | 2599 |
| Calipatria | 09:57:05 | -29.7 | Dark | Up | 36.3 | 195.5 | Up | 09:43:09 - 10:11:00 | 2584 |
| Yuma | 09:57:02 | -29.6 | Dark | Up | 36.5 | 196.6 | Up | 09:43:06 - 10:10:57 | 2568 |
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 471165, (2020/05/08 09:57UT) Object RA Dec mag sep mel Antares 16:29:24.4 -26:25:56 0.9 7.35 11 8Bet1Sco 16:05:26.2 -19:48:20 2.6 5.64 2 7Chi Oph 16:27:01.4 -18:27:23 4.1 0.81 6 PPM 231759 16:29:43.4 -18:40:56 8.1 0.42 7 PPM 231722 16:27:47.5 -19:10:46 9.8 0.34 7 471165 16:29:10.6 -19:05:13 16.5 7 Positions are for J2000
Event circumstances last updated at 2019/05/23 22:47:26 UT
Marc W. Buie, Southwest Research Institute