Event between 03QB112 and star GA1000:00121746 with event index number of 1000035
Geocentric closest approach at 2020/11/19 08:46:37 UTC
J2000 position of star is 01:20:49.3 +10:39:30
Equinox of date position of star is 01:21:49.6 +10:45:28
Stellar brightness G=14.1,
use SENSEUP=64
Star is 89 degrees from the moon.
Moon is 22% illuminated.
TNO apparent brightness V=23.7
[RECON map]
TNO is 40.8 AU from the Sun
and 40.0 AU from the Earth.
The TNO is moving 19.9
km/sec on the sky relative to the star, or,
2.5 arcsec/hr.
The 1-sigma error in the time of the event is 388 seconds.
The 1-sigma cross-track error in the shadow position is
5319 km.
The sky-plane scale is
29007.8 km/arcsec.
The TNO has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 9.4 sec chord
Diameter=76.7 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is CLASSICAL
Star training set for 03QB112, (2020/11/19 08:47UT) Object RA Dec mag sep mel Aldebaran 04:37:07.3 +16:32:59 0.8 47.66 136 6Bet Ari 01:55:47.9 +20:54:33 2.6 13.00 101 PPM 144653 01:30:08.7 +07:24:05 6.4 3.93 90 PPM 117281 01:23:49.4 +10:28:40 8.0 0.55 90 PPM 117223 01:20:45.7 +11:04:00 9.0 0.41 89 PPM 117242 01:21:53.5 +10:41:10 11.2 0.08 89 03QB112 01:21:55.4 +10:46:02 14.1 90 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
2.3 sigma about the mid-time.
The median site spacing is 23.2 km
RECON observability=1.0 and success probability=7.8%
| Site | Site mid-time (UT) |
Sun alt (deg) |
Sky | Moon | Star alt (deg) |
Star az (deg) |
Target | Observing Time (UT) |
X-track (km) |
| Kelowna | 08:42:52 | -57.4 | Dark | Down | 33.3 | 244.2 | Up | 08:27:52 - 08:57:52 | -4080 |
| Summerland | 08:42:53 | -57.6 | Dark | Down | 33.5 | 243.8 | Up | 08:27:53 - 08:57:53 | -4082 |
| Penticton | 08:42:52 | -57.8 | Dark | Down | 33.5 | 244.2 | Up | 08:27:52 - 08:57:52 | -4115 |
| Okanagan Falls | 08:42:52 | -58.0 | Dark | Down | 33.6 | 244.3 | Up | 08:27:52 - 08:57:52 | -4133 |
| Oliver | 08:42:52 | -58.1 | Dark | Down | 33.7 | 244.4 | Up | 08:27:52 - 08:57:52 | -4150 |
| Anarchist Mountain Observatory | 08:42:51 | -58.2 | Dark | Down | 33.6 | 244.7 | Up | 08:27:51 - 08:57:51 | -4168 |
| Oroville | 08:42:51 | -58.3 | Dark | Down | 33.7 | 244.7 | Up | 08:27:51 - 08:57:51 | -4175 |
| Tonasket | 08:42:51 | -58.5 | Dark | Down | 33.8 | 244.8 | Up | 08:27:51 - 08:57:51 | -4198 |
| Okanogan | 08:42:50 | -58.9 | Dark | Down | 34.1 | 244.9 | Up | 08:27:50 - 08:57:50 | -4231 |
| Brewster | 08:42:51 | -59.2 | Dark | Down | 34.3 | 244.9 | Up | 08:27:51 - 08:57:51 | -4256 |
| Manson/Chelan | 08:42:51 | -59.5 | Dark | Down | 34.6 | 244.7 | Up | 08:27:51 - 08:57:51 | -4274 |
| Entiat | 08:42:51 | -59.7 | Dark | Down | 34.7 | 244.7 | Up | 08:27:51 - 08:57:51 | -4296 |
| Wenatchee | 08:42:51 | -59.9 | Dark | Down | 34.9 | 244.8 | Up | 08:27:51 - 08:57:51 | -4320 |
| Ellensburg | 08:42:51 | -60.4 | Dark | Down | 35.2 | 244.8 | Up | 08:27:51 - 08:57:51 | -4360 |
| Yakima | 08:42:51 | -60.7 | Dark | Down | 35.4 | 245.1 | Up | 08:27:51 - 08:57:51 | -4401 |
| Toppenish/White Swan | 08:42:50 | -60.9 | Dark | Down | 35.4 | 245.4 | Up | 08:27:50 - 08:57:50 | -4424 |
| Pasco | 08:42:46 | -60.6 | Dark | Down | 34.6 | 246.6 | Up | 08:27:46 - 08:57:46 | -4446 |
| PNWRO | 08:42:46 | -60.7 | Dark | Down | 34.6 | 247.0 | Up | 08:27:46 - 08:57:46 | -4473 |
| Goldendale | 08:42:50 | -61.5 | Dark | Down | 35.9 | 245.4 | Up | 08:27:50 - 08:57:50 | -4477 |
| George/Umatilla | 08:42:47 | -60.9 | Dark | Down | 34.9 | 246.6 | Up | 08:27:47 - 08:57:47 | -4479 |
| The Dalles | 08:42:51 | -61.8 | Dark | Down | 36.2 | 245.2 | Up | 08:27:51 - 08:57:51 | -4497 |
| Maupin | 08:42:50 | -62.2 | Dark | Down | 36.3 | 245.5 | Up | 08:27:50 - 08:57:50 | -4540 |
| Madras/Culver | 08:42:50 | -62.7 | Dark | Down | 36.6 | 245.9 | Up | 08:27:50 - 08:57:50 | -4596 |
| Sisters | 08:42:50 | -63.1 | Dark | Down | 37.0 | 245.7 | Up | 08:27:50 - 08:57:50 | -4626 |
| Redmond | 08:42:50 | -63.0 | Dark | Down | 36.8 | 246.1 | Up | 08:27:50 - 08:57:50 | -4632 |
| Bend | 08:42:49 | -63.2 | Dark | Down | 36.9 | 246.1 | Up | 08:27:49 - 08:57:49 | -4653 |
| Oregon Observatory | 08:42:50 | -63.4 | Dark | Down | 37.1 | 246.1 | Up | 08:27:50 - 08:57:50 | -4669 |
| La Pine/Gilchrist | 08:42:50 | -63.6 | Dark | Down | 37.2 | 246.2 | Up | 08:27:50 - 08:57:50 | -4690 |
| North Lake | 08:42:48 | -63.8 | Dark | Down | 37.0 | 247.0 | Up | 08:27:48 - 08:57:48 | -4740 |
| Paisley | 08:42:46 | -64.1 | Dark | Down | 37.0 | 247.7 | Up | 08:27:46 - 08:57:46 | -4800 |
| Chiloquin | 08:42:49 | -64.7 | Dark | Down | 37.9 | 246.6 | Up | 08:27:49 - 08:57:49 | -4802 |
| Klamath Falls | 08:42:49 | -65.0 | Dark | Down | 38.0 | 246.9 | Up | 08:27:49 - 08:57:49 | -4838 |
| Lakeview | 08:42:45 | -64.5 | Dark | Down | 37.0 | 248.2 | Up | 08:27:45 - 08:57:45 | -4855 |
| Tulelake | 08:42:47 | -65.1 | Dark | Down | 37.9 | 247.4 | Up | 08:27:47 - 08:57:47 | -4869 |
| Cedarville | 08:42:44 | -65.0 | Dark | Down | 37.1 | 248.8 | Up | 08:27:44 - 08:57:44 | -4925 |
| Fall River/Burney | 08:42:47 | -65.9 | Dark | Down | 38.2 | 248.1 | Up | 08:27:47 - 08:57:47 | -4964 |
| Susanville | 08:42:45 | -66.1 | Dark | Down | 37.9 | 249.2 | Up | 08:27:45 - 08:57:45 | -5037 |
| Greenville | 08:42:44 | -66.5 | Dark | Down | 38.2 | 249.2 | Up | 08:27:44 - 08:57:44 | -5064 |
| Gimple | 08:42:44 | -66.4 | Dark | Down | 38.1 | 249.2 | Up | 08:27:44 - 08:57:44 | -5065 |
| Quincy | 08:42:45 | -66.6 | Dark | Down | 38.3 | 249.3 | Up | 08:27:45 - 08:57:45 | -5085 |
| Portola | 08:42:43 | -66.5 | Dark | Down | 38.0 | 249.8 | Up | 08:27:43 - 08:57:43 | -5103 |
| Reno | 08:42:41 | -66.5 | Dark | Down | 37.6 | 250.6 | Up | 08:27:41 - 08:57:41 | -5136 |
| Niwot | 08:42:07 | -57.8 | Dark | Down | 26.7 | 261.2 | Low | 08:27:07 - 08:57:07 | -5141 |
| SwRI | 08:42:06 | -57.9 | Dark | Down | 26.7 | 261.2 | Low | 08:27:06 - 08:57:06 | -5152 |
| Carson City | 08:42:40 | -66.8 | Dark | Down | 37.7 | 250.8 | Up | 08:27:40 - 08:57:40 | -5175 |
| Yerington | 08:42:38 | -66.6 | Dark | Down | 37.3 | 251.5 | Up | 08:27:38 - 08:57:38 | -5201 |
| Gardnerville | 08:42:40 | -66.9 | Dark | Down | 37.7 | 251.0 | Up | 08:27:40 - 08:57:40 | -5201 |
| Hawthorne | 08:42:37 | -66.7 | Dark | Down | 37.1 | 252.2 | Up | 08:27:37 - 08:57:37 | -5254 |
| Lee Vining | 08:42:37 | -67.4 | Dark | Down | 37.6 | 252.3 | Up | 08:27:37 - 08:57:37 | -5311 |
| Tonopah | 08:42:32 | -66.3 | Dark | Down | 36.1 | 253.7 | Up | 08:27:32 - 08:57:32 | -5315 |
| Bishop | 08:42:35 | -67.5 | Dark | Down | 37.2 | 253.3 | Up | 08:27:35 - 08:57:35 | -5380 |
| Beatty | 08:42:30 | -66.9 | Dark | Down | 36.1 | 254.8 | Up | 08:27:30 - 08:57:30 | -5442 |
| Lone Pine | 08:42:34 | -67.8 | Dark | Down | 37.2 | 254.1 | Up | 08:27:34 - 08:57:34 | -5465 |
| Indian Springs | 08:42:27 | -66.5 | Dark | Down | 35.4 | 255.9 | Up | 08:27:27 - 08:57:27 | -5485 |
| Henderson | 08:42:25 | -66.4 | Dark | Down | 35.0 | 256.7 | Up | 08:27:25 - 08:57:25 | -5547 |
| CPSLO | 08:42:40 | -70.2 | Dark | Down | 39.6 | 253.1 | Up | 08:27:40 - 08:57:40 | -5581 |
| Searchlight/Boulder City | 08:42:24 | -66.7 | Dark | Down | 35.0 | 257.2 | Up | 08:27:24 - 08:57:24 | -5609 |
| Patrick | 08:42:21 | -66.1 | Dark | Down | 34.2 | 257.9 | Up | 08:27:21 - 08:57:21 | -5621 |
| Laughlin/Bullhead City | 08:42:23 | -66.7 | Dark | Down | 34.8 | 257.6 | Up | 08:27:23 - 08:57:23 | -5643 |
| Kingman/Dolan Springs | 08:42:22 | -66.3 | Dark | Down | 34.4 | 257.9 | Up | 08:27:22 - 08:57:22 | -5644 |
| DCO | 08:42:19 | -65.8 | Dark | Down | 33.7 | 258.6 | Up | 08:27:19 - 08:57:19 | -5658 |
| Mohave Valley | 08:42:22 | -66.8 | Dark | Down | 34.9 | 257.8 | Up | 08:27:22 - 08:57:22 | -5673 |
| Lake Havasu City | 08:42:22 | -66.9 | Dark | Down | 34.8 | 258.2 | Up | 08:27:22 - 08:57:22 | -5718 |
| Wildwood | 08:42:34 | -69.9 | Dark | Down | 38.3 | 255.5 | Up | 08:27:34 - 08:57:34 | -5731 |
| Parker | 08:42:22 | -67.1 | Dark | Down | 34.8 | 258.5 | Up | 08:27:22 - 08:57:22 | -5756 |
| Idyllwild | 08:42:28 | -68.9 | Dark | Down | 36.9 | 257.1 | Up | 08:27:28 - 08:57:28 | -5785 |
| Blythe | 08:42:23 | -67.6 | Dark | Down | 35.2 | 258.7 | Up | 08:27:23 - 08:57:23 | -5812 |
| Calipatria | 08:42:25 | -68.5 | Dark | Down | 36.0 | 258.4 | Up | 08:27:25 - 08:57:25 | -5859 |
| Yuma | 08:42:22 | -68.1 | Dark | Down | 35.4 | 259.3 | Up | 08:27:22 - 08:57:22 | -5912 |
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 03QB112, (2020/11/19 08:47UT) Object RA Dec mag sep mel Aldebaran 04:35:55.3 +16:30:30 0.8 47.66 136 6Bet Ari 01:54:38.5 +20:48:27 2.6 13.00 101 PPM 144653 01:29:03.1 +07:17:38 6.4 3.93 90 PPM 117281 01:22:43.3 +10:22:09 8.0 0.55 90 PPM 117223 01:19:39.6 +10:57:27 9.0 0.41 89 PPM 117242 01:20:47.4 +10:34:38 11.2 0.08 89 03QB112 01:20:49.3 +10:39:30 14.1 89 Positions are for J2000
Event circumstances last updated at 2019/01/29 03:55:25 UT
Marc W. Buie, Southwest Research Institute